Classify functional groups in amphidinolide F.

Quiz: Macrolide, diene, hydroxyl, ester.

Classify functional groups in cylindrospermopsin.

Quiz: Guanidine, pyrimidine, sulfate, hydroxyl.

Classify functional groups in palitaxel.

Quiz: Ester, amide, oxetane, phenyl, hydroxyl.

Classify functional groups in vincristine.

Quiz: Indole, amide, ester, amine, ether.

Classify the functional groups in cholesterol.

Quiz: Secondary alcohol, alkene, alkyl chain.

Count the asymmetric carbons in ulapualide A.

Quiz: 12 stereocenters in the tris-oxazole macrolide.

Count the asymmetric centers in artemisinin.

Quiz: 5 stereocenters including the endoperoxide bridge.

Count the asymmetric centers in palau'amine.

Quiz: 6 stereocenters in the diazabicyclic core.

Count the stereocenters in doxorubicin.

Quiz: 3 stereocenters in the aglycone and sugar.

Count the stereocenters in indolactam V.

Quiz: 3 stereocenters in the pyrrolidine.

Count the stereogenic centers in cephalotaxine.

Quiz: 3 stereocenters in the tetrahydroisoquinoline.

Count the stereogenic centers in epothilone B.

Quiz: 7 stereocenters in the macrocyclic ring.

Describe the [2,3]-Wittig rearrangement in kainic acid synthesis.

Quiz: Allylic ether rearrangement to form homoallylic alcohol.

Describe the acid-catalyzed spiroketalization.

Quiz: Ketone cyclization with adjacent hydroxyl groups forms spiroketal.

Describe the Diels-Alder mechanism in azadirachtin synthesis.

Quiz: Concerted [4+2] cycloaddition of triene forms decalin ring.

Describe the Grewe cyclization mechanism.

Quiz: Acid-catalyzed cyclization of benzazepine to form morphinan ring.

Describe the mechanism of the aldol condensation.

Quiz: Base-catalyzed enolate formation, nucleophilic addition to carbonyl, then dehydration.

Describe the mechanism of the Baeyer-Villiger oxidation.

Quiz: Peracid migrates to carbonyl carbon, Criegee rearrangement to ester/lactone.

Describe the mechanism of the Baylis-Hillman reaction.

Quiz: DABCO-catalyzed coupling of aldehyde with activated alkene.

Describe the mechanism of the Beckmann rearrangement.

Quiz: Acid-catalyzed 1,2-shift of anti-migrating group to nitrogen in oxime.

Describe the mechanism of the Buchwald-Hartwig amination.

Quiz: Pd-catalyzed C-N bond formation via oxidative addition and reductive elimination.

Describe the mechanism of the Cannizzaro reaction.

Quiz: Hydride transfer from aldehyde to another aldehyde in concentrated base.

Describe the mechanism of the Claisen condensation.

Quiz: Base-catalyzed nucleophilic acyl substitution between two ester molecules.

Describe the mechanism of the Claisen rearrangement.

Quiz: Thermal [3,3]-sigmatropic rearrangement of allyl vinyl ether.

Describe the mechanism of the Cope rearrangement.

Quiz: Thermal [3,3]-sigmatropic rearrangement of 1,5-hexadiene.

Describe the mechanism of the Corey-Bakshi-Shibata reduction.

Quiz: Chiral oxazaborolidine catalyzes enantioselective hydride delivery to ketone.

Describe the mechanism of the Curtius rearrangement.

Quiz: Thermal decomposition of acyl azide to isocyanate with loss of N2.

Describe the mechanism of the Diels-Alder reaction.

Quiz: Concerted [4+2] cycloaddition via suprafacial overlap of HOMO of diene and LUMO of dienophile.

Describe the mechanism of the E1cb reaction.

Quiz: Base abstracts proton to form carbanion, then leaving group departs.

Describe the mechanism of the E2 reaction.

Quiz: Concerted anti-periplanar elimination of H and leaving group.

Describe the mechanism of the Eschenmoser-Claisen rearrangement.

Quiz: Allyl alcohol reacts with N,N-dimethylacetamide dimethyl acetal.

Describe the mechanism of the Favorskii rearrangement.

Quiz: Cyclopropanone intermediate from α-haloketone, ring opening with nucleophile.

Describe the mechanism of the Fischer esterification.

Quiz: Acid-catalyzed nucleophilic addition of alcohol to protonated carboxylic acid.

Describe the mechanism of the Fischer indole synthesis.

Quiz: Acid-catalyzed [3,3]-sigmatropic rearrangement of arylhydrazone.

Describe the mechanism of the Gabriel synthesis.

Quiz: Nucleophilic substitution of phthalimide anion with alkyl halide, then hydrazinolysis.

Describe the mechanism of the Grignard reaction.

Quiz: Nucleophilic addition of organomagnesium reagent to carbonyl followed by protonation.

Describe the mechanism of the Grob fragmentation.

Quiz: Concerted fragmentation of 1,3-amino alcohol to give alkene and iminium ion.

Describe the mechanism of the Heck reaction.

Quiz: Pd-catalyzed coupling of aryl halide with alkene via carbopalladation and β-hydride elimination.

Describe the mechanism of the Hofmann rearrangement.

Quiz: Base-mediated bromination of amide to N-bromoamide, then rearrangement to isocyanate.

Describe the mechanism of the Horner-Wadsworth-Emmons reaction.

Quiz: Stabilized phosphonate carbanion reacts with aldehyde to form E-alkene.

Describe the mechanism of the Ireland-Claisen rearrangement.

Quiz: Lithium enolate of allyl ester undergoes [3,3]-sigmatropic shift.

Describe the mechanism of the Johnson-Claisen rearrangement.

Quiz: Allyl alcohol reacts with trialkyl orthoacetate to form γ,δ-unsaturated ester.

Describe the mechanism of the Julia-Lythgoe olefination.

Quiz: Sulfone anion adds to aldehyde, then reductive elimination gives alkene.

Describe the mechanism of the Knoevenagel condensation.

Quiz: Malonate anion condenses with aldehyde followed by decarboxylation.

Describe the mechanism of the Mannich reaction.

Quiz: Iminium ion formation, nucleophilic addition of enolizable carbonyl.

Describe the mechanism of the Nazarov cyclization.

Quiz: Lewis acid-catalyzed electrocyclic closure of divinyl ketone.

Describe the mechanism of the Overman rearrangement.

Quiz: Thermal [3,3]-sigmatropic shift of allylic trichloroacetimidate.

Describe the mechanism of the Pauson-Khand reaction.

Quiz: Co2(CO)8-mediated [2+2+1] cycloaddition of alkyne, alkene, and CO.

Describe the mechanism of the Pictet-Spengler reaction.

Quiz: Imine formation followed by intramolecular electrophilic aromatic substitution.

Describe the mechanism of the pinacol rearrangement.

Quiz: Acid-catalyzed 1,2-shift in vicinal diol after protonation and water loss.

Describe the mechanism of the Prins reaction.

Quiz: Acid-catalyzed reaction of formaldehyde with alkene to form dioxane.

Describe the mechanism of the Ramberg-Bäcklund reaction.

Quiz: α-Halo sulfone undergoes base-catalyzed elimination to episulfone, then alkene.

Describe the mechanism of the Reformatsky reaction.

Quiz: Zinc enolate from α-halo ester adds to carbonyl.

Describe the mechanism of the Robinson annulation.

Quiz: Michael addition followed by intramolecular aldol condensation.

Describe the mechanism of the Schmidt reaction.

Quiz: Acid-catalyzed reaction of hydrazoic acid with ketone via tetrahedral intermediate.

Describe the mechanism of the Shapiro reaction.

Quiz: Tosylhydrazone treated with base gives vinyl lithium, then protonation.

Describe the mechanism of the Simmons-Smith reaction.

Quiz: Carbenoid CH2I2/Zn-Cu transfers CH2 to alkene forming cyclopropane.

Describe the mechanism of the SN2 reaction.

Quiz: Concerted backside attack with inversion of configuration at electrophilic carbon.

Describe the mechanism of the Sonogashira coupling.

Quiz: Pd/Cu-catalyzed cross-coupling of terminal alkyne with aryl halide.

Describe the mechanism of the Strecker synthesis.

Quiz: Cyanide adds to imine, then hydrolysis gives α-amino acid.

Describe the mechanism of the Suzuki coupling.

Quiz: Pd-catalyzed cross-coupling via oxidative addition, transmetalation, and reductive elimination.

Describe the mechanism of the Tishchenko reaction.

Quiz: Aluminum alkoxide-mediated disproportionation of aldehyde to ester.

Describe the mechanism of the Williamson ether synthesis.

Quiz: SN2 reaction of alkoxide with primary alkyl halide.

Describe the mechanism of the Wittig reaction.

Quiz: Nucleophilic addition of phosphonium ylide to carbonyl forming oxaphosphetane, then elimination.

Describe the mechanism of the Wolff rearrangement.

Quiz: Thermal or photochemical loss of N2 from α-diazoketone to form ketene.

Describe the Mitsunobu reaction mechanism.

Quiz: DEAD/TPP-mediated SN2 inversion of alcohol with nucleophile.

Describe the nitrone cycloaddition in cylindrospermopsin synthesis.

Quiz: Intramolecular 1,3-dipolar cycloaddition forms tricyclic core.

Describe the Overman rearrangement mechanism.

Quiz: [3,3]-Sigmatropic rearrangement of allylic trichloroacetimidate to allylic amine.

Describe the Paterno-Buchi reaction mechanism.

Quiz: Photochemical [2+2] cycloaddition of carbonyl with alkene to form oxetane.

Describe the Still-Gennari HWE olefination.

Quiz: Modified phosphonate gives Z-selective macrocyclic enoate formation.

Determine the number of stereocenters in morphine.

Quiz: 5 stereocenters in the morphinan ring system.

Determine the stereocenter count in bryostatin 7.

Quiz: 18 stereocenters in the macrocyclic ring.

Determine the stereocenter count in cylindrospermopsin.

Quiz: 5 stereocenters in the tricyclic core.

Determine the stereocenter count in kainic acid.

Quiz: 3 stereocenters in the pyrrolidine ring.

Determine the stereocenter count in leucascandrolide A.

Quiz: 10 stereocenters in the macrolide ring.

Determine the stereocenter count in neopeltolide.

Quiz: 7 stereocenters in the macrolide.

Explain the Bamford-Stevens reaction mechanism.

Quiz: Thermal decomposition of tosylhydrazone salt to give alkene.

Explain the Heck reaction in ryanodine synthesis.

Quiz: Pd-catalyzed C-C bond formation between aryl halide and alkene.

Explain the intramolecular Friedel-Crafts acylation in rifamycin synthesis.

Quiz: Lewis acid-catalyzed cyclization forms ansa bridge.

Explain the intramolecular Heck reaction in strychnine synthesis.

Quiz: Pd-catalyzed cyclization to form the seven-membered E ring.

Explain the intramolecular Mannich reaction in FR901483 synthesis.

Quiz: Acid-catalyzed cyclization forms azatricyclic ring system.

Explain the intramolecular radical cyclization in zoanthenol synthesis.

Quiz: Carbon radical cyclization forms pentacyclic system.

Explain the Ireland-Claisen rearrangement.

Quiz: [3,3]-Sigmatropic rearrangement of ester enolate to gamma,delta-unsaturated acid.

Explain the Julia-Kocienski olefination.

Quiz: Sulfone anion adds to aldehyde, SmI2-mediated reductive elimination.

Explain the ring-closing metathesis in amphidinolide synthesis.

Quiz: Grubbs catalyst mediates [2+2] cycloaddition-elimination to form macrocycle.

Explain the Takai olefination mechanism.

Quiz: Chromium(II)-mediated conversion of aldehyde to vinyl halide.

How does an SN2 reaction differ from SN1?

Quiz: SN2 is bimolecular with backside attack and inversion; SN1 is unimolecular with carbocation intermediate.

How does catalytic hydrogenation differ from metal reduction?

Quiz: Catalytic hydrogenation uses H2/gas with metal catalyst; metal reductions use dissolving metals.

How does the Buchwald-Hartwig amination work?

Quiz: Pd-catalyzed C-N coupling of aryl halide with amine.

How does the Eschenmoser-Claisen rearrangement work?

Quiz: [3,3]-Sigmatropic rearrangement of allylic alcohol with dimethylacetamide dimethyl acetal.

How does the intramolecular aza-Michael addition proceed?

Quiz: Amine addition to alpha,beta-unsaturated ester forms lactam.

How does the intramolecular Diels-Alder work in brevetoxin synthesis?

Quiz: Concerted [4+2] cycloaddition forms polycyclic ether skeleton.

How does the intramolecular nitrone cycloaddition proceed?

Quiz: 1,3-dipolar cycloaddition forms isoxazolidine ring.

How does the intramolecular oxymercuration work in taxol synthesis?

Quiz: Mercury(II) cyclization forms oxetane ring.

How does the intramolecular radical amidation work in palau'amine synthesis?

Quiz: Amidyl radical cyclization forms diazabicyclic core.

How does the Keck asymmetric allylation proceed?

Quiz: Chiral BINOL-Ti(IV) catalyzes allylstannane addition to aldehyde.

How does the macrolactamization work in geldanamycin synthesis?

Quiz: Intramolecular amide bond formation forms ansa bridge.

How does the Myers-Saito cyclization proceed?

Quiz: Thermal cyclization of enyne-allene generates diradical.

How does the Nozaki-Hiyama-Kishi reaction proceed?

Quiz: Chromium-mediated coupling of vinyl halide with aldehyde.

How does the Pictet-Spengler reaction work in trabectedin synthesis?

Quiz: Acid-catalyzed condensation of amine with aldehyde forms tetrahydroisoquinoline.

How does the Shapiro reaction generate alkenes?

Quiz: Base-induced decomposition of tosylhydrazone via vinyl anion.

How does the Simmons-Smith cyclopropanation work?

Quiz: Zinc carbenoid adds across alkene to form cyclopropane.

How does the Swern oxidation work?

Quiz: DMSO activation with oxalyl chloride oxidizes alcohol to aldehyde.

How does the Wittig olefination work in bryostatin synthesis?

Quiz: Phosphonium ylide adds to aldehyde forming exo-methylene.

How many 13C NMR signals does 1,4-dioxane show?

Quiz: One signal (all carbons equivalent).

How many 13C NMR signals does p-xylene show?

Quiz: Three signals: methyl carbons (2C), aromatic C-H (2C), and quaternary C (1C).

How many 13C NMR signals for acetone?

Quiz: Two signals: carbonyl and methyl carbons.

How many 13C NMR signals for toluene?

Quiz: Five signals: methyl, ipso, ortho, meta, para carbons.

How many asymmetric carbons are in salinosporamide A?

Quiz: 4 stereocenters in the bicyclic beta-lactone.

How many asymmetric carbons are in strychnine?

Quiz: 6 stereocenters in the heptacyclic framework.

How many asymmetric carbons are in zoanthenol?

Quiz: 7 stereocenters in the pentacyclic system.

How many asymmetric carbons exist in myriocin?

Quiz: 9 stereocenters in the sphingolipid.

How many asymmetric centers are in amphidinolide F?

Quiz: 6 stereocenters in the 14-membered ring.

How many asymmetric centers are in maitotoxin?

Quiz: 32 stereocenters in the polycyclic ether.

How many asymmetric elements are in eleutherobin?

Quiz: 7 stereocenters in the macrolide.

How many chiral atoms are in penicillin G?

Quiz: 3 stereocenters in the beta-lactam ring.

How many chiral centers are in calyculin A?

Quiz: 14 stereocenters in the polyol chain.

How many chiral centers are in discodermolide?

Quiz: 13 stereocenters in the polyol macrolide.

How many chiral centers are in spirastrellolide A?

Quiz: 15 stereocenters including the cyclopropane.

How many chiral centers are present in taxol?

Quiz: 11 stereocenters including the C13 side chain.

How many chiral centers exist in galanthamine?

Quiz: 3 stereocenters in the tetracyclic ring.

How many chiral centers exist in halichondrin B?

Quiz: 18 stereocenters in the polyether-macrolide.

How many chiral centers in glucose?

Quiz: Glucose has 4 chiral centers in its open-chain form.

How many chiral elements exist in keramamide F?

Quiz: 7 stereocenters in the cyclic peptide.

How many degrees of unsaturation in C6H6?

Quiz: Benzene has 4 degrees of unsaturation (1 ring + 3 pi bonds).

How many isomers does C4H8 have?

Quiz: C4H8 has 5 structural isomers including cis and trans-2-butene.

How many pi bonds are in benzene?

Quiz: Benzene has three pi bonds forming a conjugated cyclic system.

How many pi electrons are in benzene?

Quiz: Benzene has 6 pi electrons in its conjugated cyclic system.

How many signals does diethyl ether show in 1H NMR?

Quiz: Diethyl ether shows 2 signals: CH2 and CH3 groups.

How many signals in 1H NMR for diethyl ether?

Quiz: Two signals: CH3 (triplet) and CH2 (quartet).

How many signals in 1H NMR for ethanol?

Quiz: Three signals: CH3 (triplet), CH2 (quartet), OH (singlet).

How many signals in the 1H NMR of diethyl ether?

Quiz: Diethyl ether shows two signals: CH2 and CH3 groups.

How many signals would 1,2-dichloroethane show in 13C NMR?

Quiz: One signal (all four carbons equivalent by symmetry).

How many stereocenters are in amoxicillin?

Quiz: Four stereocenters.

How many stereocenters are in amphidinolide T1?

Quiz: Six stereocenters.

How many stereocenters are in anatoxin-a?

Quiz: Two stereocenters.

How many stereocenters are in aplysiatoxin?

Quiz: Eight stereocenters.

How many stereocenters are in apratoxin A?

Quiz: Six stereocenters.

How many stereocenters are in arabinose?

Quiz: Three stereocenters.

How many stereocenters are in atorvastatin?

Quiz: One stereocenter in the dihydroxyheptanoic acid chain.

How many stereocenters are in aurilide?

Quiz: Five stereocenters.

How many stereocenters are in axinellamine?

Quiz: Four stereocenters.

How many stereocenters are in azadirachtin?

Quiz: Sixteen stereocenters.

How many stereocenters are in barbamide?

Quiz: Two stereocenters.

How many stereocenters are in bioxalomycin a2?

Quiz: Four stereocenters.

How many stereocenters are in bortezomib?

Quiz: One stereocenter.

How many stereocenters are in brevenal?

Quiz: Six stereocenters.

How many stereocenters are in brevetoxin B?

Quiz: Twenty-two stereocenters.

How many stereocenters are in bryostatin 1?

Quiz: Eleven stereocenters in the macrocycle.

How many stereocenters are in calicheamicin γ1?

Quiz: Eight stereocenters.

How many stereocenters are in callipeltoside?

Quiz: Seven stereocenters.

How many stereocenters are in calyculin?

Quiz: Fourteen stereocenters.

How many stereocenters are in camptothecin?

Quiz: One stereocenter (at C-20).

How many stereocenters are in carfilzomib?

Quiz: Two stereocenters.

How many stereocenters are in chloramphenicol?

Quiz: Two stereocenters.

How many stereocenters are in cholesterol?

Quiz: Eight stereocenters.

How many stereocenters are in ciguatoxin CTX3C?

Quiz: Twenty-five stereocenters.

How many stereocenters are in ciprofloxacin?

Quiz: None (achiral).

How many stereocenters are in cortisol?

Quiz: Seven stereocenters.

How many stereocenters are in cryptophycin?

Quiz: Nine stereocenters.

How many stereocenters are in dictyostatin?

Quiz: Eight stereocenters.

How many stereocenters are in digitoxigenin?

Quiz: Five stereocenters.

How many stereocenters are in digoxigenin?

Quiz: Five stereocenters.

How many stereocenters are in discodermolide?

Quiz: Thirteen stereocenters.

How many stereocenters are in dolastatin 10?

Quiz: Six stereocenters.

How many stereocenters are in ecteinascidin-743?

Quiz: Six stereocenters.

How many stereocenters are in epothilone B?

Quiz: Seven stereocenters in the macrolide ring.

How many stereocenters are in esomeprazole?

Quiz: One stereocenter (S-enantiomer).

How many stereocenters are in estradiol?

Quiz: Four stereocenters.

How many stereocenters are in fidaxomicin?

Quiz: Ten stereocenters.

How many stereocenters are in fructose?

Quiz: Three stereocenters (ketohexose).

How many stereocenters are in galactose?

Quiz: Four stereocenters.

How many stereocenters are in glucose?

Quiz: Four stereocenters (aldohexose).

How many stereocenters are in gymnodimine?

Quiz: Three stereocenters.

How many stereocenters are in halichondrin B?

Quiz: Twenty-three stereocenters.

How many stereocenters are in ibuprofen?

Quiz: One stereocenter (α-carbon).

How many stereocenters are in ircinal A?

Quiz: Five stereocenters.

How many stereocenters are in ixazomib?

Quiz: One stereocenter.

How many stereocenters are in jamaicamide?

Quiz: Four stereocenters.

How many stereocenters are in jasplakinolide?

Quiz: Six stereocenters.

How many stereocenters are in jorumycin?

Quiz: Four stereocenters.

How many stereocenters are in kendomycin?

Quiz: Four stereocenters.

How many stereocenters are in leucamycin a3?

Quiz: Seven stereocenters.

How many stereocenters are in lovastatin?

Quiz: Six stereocenters.

How many stereocenters are in luminespib?

Quiz: Zero (achiral).

How many stereocenters are in lyngbyatoxin?

Quiz: Three stereocenters.

How many stereocenters are in lyxose?

Quiz: Three stereocenters.

How many stereocenters are in maitotoxin?

Quiz: Thirty-two stereocenters.

How many stereocenters are in mannose?

Quiz: Four stereocenters.

How many stereocenters are in manzamine A?

Quiz: Eleven stereocenters.

How many stereocenters are in morphine?

Quiz: Five stereocenters.

How many stereocenters are in naphthyridinomycin?

Quiz: Five stereocenters.

How many stereocenters are in naproxen?

Quiz: One stereocenter.

How many stereocenters are in neopeltolide?

Quiz: Five stereocenters.

How many stereocenters are in okadaic acid?

Quiz: Fifteen stereocenters.

How many stereocenters are in omeprazole?

Quiz: One stereocenter (sulfur).

How many stereocenters are in ouabagenin?

Quiz: Seven stereocenters.

How many stereocenters are in palau'amine?

Quiz: Seven stereocenters.

How many stereocenters are in palytoxin?

Quiz: Sixty-four stereocenters (the most of any natural product).

How many stereocenters are in penicillin G?

Quiz: Three stereocenters in the β-lactam system.

How many stereocenters are in plerixafor?

Quiz: Zero (achiral).

How many stereocenters are in progesterone?

Quiz: Six stereocenters.

How many stereocenters are in quinine?

Quiz: Four stereocenters.

How many stereocenters are in quinocarcin?

Quiz: Three stereocenters.

How many stereocenters are in rapamycin?

Quiz: Fifteen stereocenters.

How many stereocenters are in renieramycin T?

Quiz: Five stereocenters.

How many stereocenters are in reserpine?

Quiz: Six stereocenters.

How many stereocenters are in ribose?

Quiz: Three stereocenters.

How many stereocenters are in ryanodine?

Quiz: Thirteen stereocenters.

How many stereocenters are in saframycin A?

Quiz: Five stereocenters.

How many stereocenters are in saxitoxin?

Quiz: Four stereocenters.

How many stereocenters are in simvastatin?

Quiz: Six stereocenters.

How many stereocenters are in sphinxolide?

Quiz: Eight stereocenters.

How many stereocenters are in spongistatin 1?

Quiz: Twenty-four stereocenters.

How many stereocenters are in strychnine?

Quiz: Six stereocenters.

How many stereocenters are in swinholide A?

Quiz: Twenty stereocenters.

How many stereocenters are in tanespimycin?

Quiz: Five stereocenters.

How many stereocenters are in taxol?

Quiz: Eleven stereocenters.

How many stereocenters are in telithromycin?

Quiz: Five stereocenters.

How many stereocenters are in testosterone?

Quiz: Six stereocenters.

How many stereocenters are in tetrodotoxin?

Quiz: Five stereocenters.

How many stereocenters are in thapsigargin?

Quiz: Seven stereocenters.

How many stereocenters are in trabectedin?

Quiz: Six stereocenters.

How many stereocenters are in tulathromycin?

Quiz: Five stereocenters.

How many stereocenters are in tylosin?

Quiz: Nine stereocenters.

How many stereocenters are in ulapualide A?

Quiz: Seven stereocenters.

How many stereocenters are in vincristine?

Quiz: Nine stereocenters.

How many stereocenters are in warfarin?

Quiz: One stereocenter.

How many stereocenters are in xestospongin C?

Quiz: Eight stereocenters.

How many stereocenters are in xylose?

Quiz: Three stereocenters.

How many stereocenters are in yohimbine?

Quiz: Four stereocenters.

How many stereocenters are in zoanthenol?

Quiz: Four stereocenters.

How many stereocenters does azadirachtin contain?

Quiz: 16 stereocenters with complex relative configuration.

How many stereocenters does dictyostatin contain?

Quiz: 10 stereocenters in the macrolide ring.

How many stereocenters does FR901483 contain?

Quiz: 4 stereocenters in the azatricyclic ring.

How many stereocenters does tartaric acid have?

Quiz: Tartaric acid has 2 stereocenters but exists as a meso compound and enantiomeric pair.

How many stereogenic centers exist in jasplakinolide?

Quiz: 8 stereocenters in the macrocyclic depsipeptide.

How many stereogenic centers exist in vancomycin?

Quiz: 18 stereocenters in the heptapeptide core.

How many stereogenic elements are in rapamycin?

Quiz: 15 stereocenters in the macrocyclic ring.

How many stereogenic elements exist in amphidinolide T1?

Quiz: 8 stereocenters in the 14-membered macrolide.

How to determine degree of unsaturation from molecular formula?

Quiz: DoU = (2C + 2 + N - H - X) / 2.

How to distinguish 1-butanol from 2-butanol by 1H NMR?

Quiz: 1-Butanol: triplet for CH2-OH; 2-butanol: multiplet for CH-OH.

How to distinguish a carboxylic acid from an alcohol by 1H NMR?

Quiz: Acid: very broad singlet at δ 10-13 ppm; alcohol: broad at δ 1-5 ppm.

How to distinguish a primary from secondary amine by IR?

Quiz: Primary amine shows two N-H stretches; secondary shows one.

How to distinguish a primary from tertiary alcohol by 1H NMR?

Quiz: Primary: CH2 near OH at δ 3.5 ppm; tertiary: no CH near OH, only singlet for OH.

How to distinguish acetaldehyde from acetone by 1H NMR?

Quiz: Acetaldehyde: aldehyde H at δ 9.8 ppm (singlet); acetone: singlet at δ 2.1 ppm only.

How to distinguish an acetal from a ketone by 13C NMR?

Quiz: Acetal carbon appears at δ 90-110 ppm; ketone carbonyl at δ 200+ ppm.

How to distinguish an amide from an amine by IR?

Quiz: Amide shows C=O stretch at 1630-1690 cm⁻¹; amine lacks this.

How to distinguish an aryl from alkyl bromide by mass spec?

Quiz: Both show M/M+2 ≈ 1:1, but aryl has aromatic fragments.

How to distinguish an E from Z alkene by 1H NMR?

Quiz: Coupling constant J(E) ≈ 12-18 Hz; J(Z) ≈ 6-12 Hz for vicinal protons.

How to distinguish an ester from a ketone by 1H NMR?

Quiz: Ester shows O-CH3 or O-CH2 signal at δ 3.5-4.5 ppm; ketone lacks this.

How to distinguish an ester from a ketone by IR?

Quiz: Ester shows two C-O stretches at 1000-1300 cm⁻¹ in addition to C=O.

How to distinguish cis from trans alkene by IR?

Quiz: Trans: C-H out-of-plane bend at 960-970 cm⁻¹; cis: 675-730 cm⁻¹.

How to distinguish cyclohexanol from cyclohexanone by IR?

Quiz: Cyclohexanol has broad O-H at 3300 cm⁻¹; cyclohexanone has C=O at 1715 cm⁻¹.

How to distinguish ethanol from dimethyl ether by IR?

Quiz: Ethanol has broad O-H stretch at 3300 cm⁻¹; dimethyl ether does not.

How to distinguish ethyl acetate from methyl propionate by 1H NMR?

Quiz: Ethyl acetate: singlet at 2.0 ppm (CH3CO); methyl propionate: triplet and quartet for ethyl.

How to distinguish phenol from cyclohexanol by 13C NMR?

Quiz: Phenol: aromatic carbons at δ 115-160 ppm; cyclohexanol: aliphatic at δ 20-70 ppm.

How to identify a hemiacetal by 1H NMR?

Quiz: Characteristic CH at δ 4.5-5.5 ppm (anomeric proton).

How to identify a methoxy group by 1H NMR?

Quiz: Singlet at δ 3.3-4.0 ppm integrating to 3H.

How to identify a para-disubstituted benzene by 1H NMR?

Quiz: Two doublets (AA'BB' pattern) in aromatic region.

How to identify a para-substituted benzene by 13C NMR?

Quiz: Four aromatic signals: 2 equivalent C-H, 2 equivalent C-H, and 2 quaternary C.

How to identify a tert-butyl group by 1H NMR?

Quiz: Singlet integrating to 9H at δ 0.9-1.2 ppm.

How to identify an isopropyl group by 1H NMR?

Quiz: Doublet (6H) at δ 1.2 ppm and septet (1H) at δ 2.9 ppm.

How to identify an ortho-disubstituted benzene by 1H NMR?

Quiz: Four distinct aromatic proton signals with complex splitting.

How to use 1H NMR to determine if a compound has symmetry?

Quiz: Count distinct signals; fewer signals means higher symmetry.

How to use 1H NMR to distinguish ethanol from 1-propanol?

Quiz: Ethanol: quartet and triplet; 1-propanol: triplet, multiplet, triplet.

How to use IR to identify a terminal alkyne?

Quiz: Sharp C≡C at 2100-2150 cm⁻¹ and sharp C-H at 3300 cm⁻¹.

How to use UV to distinguish a conjugated from isolated diene?

Quiz: Conjugated: λmax > 217 nm; isolated: λmax around 190 nm.

How was the cyclopropane installed in artemisinin synthesis?

Quiz: Simmons-Smith cyclopropanation of an allylic alcohol.

How was the decalin core of azadirachtin constructed?

Quiz: Intramolecular Diels-Alder cycloaddition of a triene system.

How was the enediyne core of calicheamicin gamma1I constructed?

Quiz: Myers-Saito cyclization to generate the diradical warhead.

How was the macrocyclic ring closed in discodermolide synthesis?

Quiz: Yamaguchi macrolactonization with 2,4,6-trichlorobenzoyl chloride.

How was the oxetane ring installed in taxol total synthesis?

Quiz: Intramolecular cyclization of a beta-hydroxy tosylate.

How was the polyether chain assembled in maitotoxin synthesis?

Quiz: Sharpless asymmetric epoxidation and ring-opening cascades.

Identify functional groups in amanitin.

Quiz: Tryptathionine, amide, indole, sulfoxide.

Identify functional groups in keramamide F.

Quiz: Cyclic peptide, oxazole, bromotryptophan, amide.

Identify functional groups in spongistatin 1.

Quiz: Macrolide, epoxide, pyran, ester, vinyl iodide.

Identify functional groups in tautomycetin.

Quiz: Macrolide, polyol, lactone, carboxylic acid.

Identify functional groups in zoanthenol.

Quiz: Phenol, amine, ether, alcohol, indole.

Identify the carbonyl groups in morphine.

Quiz: Ketone, phenol, alcohol, ether.

Identify the functional group in 1-butyne.

Quiz: Alkyne group (C≡C triple bond).

Identify the functional group in 1,2-ethanediol.

Quiz: Two hydroxyl groups (vicinal diol).

Identify the functional group in acetaldehyde.

Quiz: Carbonyl (aldehyde) group (-CHO).

Identify the functional group in acetamide.

Quiz: Amide group (-CONH2).

Identify the functional group in acetic acid.

Quiz: Carboxyl group (-COOH).

Identify the functional group in acetic anhydride.

Quiz: Acid anhydride group (-CO-O-CO-).

Identify the functional group in acetone peroxide.

Quiz: Peroxide group (-O-O-).

Identify the functional group in acetone.

Quiz: Carbonyl (ketone) group (C=O).

Identify the functional group in acetonitrile.

Quiz: Nitrile group (-C≡N).

Identify the functional group in acrylic acid.

Quiz: Both alkene and carboxyl groups (α,β-unsaturated acid).

Identify the functional group in acrylonitrile.

Quiz: Both alkene and nitrile groups (α,β-unsaturated nitrile).

Identify the functional group in alanine.

Quiz: Both amino and carboxyl groups (amino acid).

Identify the functional group in allyl alcohol.

Quiz: Both alkene and hydroxyl groups.

Identify the functional group in aniline.

Quiz: Amino group (aryl amine, -NH2).

Identify the functional group in benzaldehyde.

Quiz: Aldehyde group (aromatic -CHO).

Identify the functional group in benzoic acid.

Quiz: Carboxyl group (aromatic -COOH).

Identify the functional group in benzoin.

Quiz: Both hydroxyl and ketone groups (α-hydroxy ketone).

Identify the functional group in benzophenone.

Quiz: Ketone group (diaryl C=O).

Identify the functional group in benzoyl chloride.

Quiz: Acid chloride group (-COCl).

Identify the functional group in benzyl alcohol.

Quiz: Primary benzylic alcohol group.

Identify the functional group in cinnamic acid.

Quiz: Both trans-alkene and carboxyl groups (cinnamic acid).

Identify the functional group in cumene hydroperoxide.

Quiz: Hydroperoxide group (-OOH).

Identify the functional group in cyclohexene.

Quiz: Alkene group (C=C double bond).

Identify the functional group in diethyl ether.

Quiz: Ether group (C-O-C).

Identify the functional group in diethyl sulfide.

Quiz: Thioether (sulfide) group (-S-).

Identify the functional group in dimethyl sulfoxide.

Quiz: Sulfinyl group (S=O, sulfoxide).

Identify the functional group in ethanethiol.

Quiz: Thiol group (-SH).

Identify the functional group in ethanol.

Quiz: Hydroxyl (alcohol) group (-OH).

Identify the functional group in ethyl acetate.

Quiz: Ester group (-COO-).

Identify the functional group in ethyl cyanoacetate.

Quiz: Both nitrile and ester groups.

Identify the functional group in fumaric acid.

Quiz: Both alkene and two carboxyl groups.

Identify the functional group in glyceraldehyde.

Quiz: Both aldehyde and hydroxyl groups.

Identify the functional group in guanidine.

Quiz: Guanidine group (H2N-C(=NH)-NH2).

Identify the functional group in lactic acid.

Quiz: Both hydroxyl and carboxyl groups (α-hydroxy acid).

Identify the functional group in maleic acid.

Quiz: Both cis-alkene and two carboxyl groups.

Identify the functional group in mandelic acid.

Quiz: Both hydroxyl and carboxyl groups (α-hydroxy acid).

Identify the functional group in methyl formate.

Quiz: Ester group (formate ester).

Identify the functional group in methyl methacrylate.

Quiz: Both alkene and ester groups (α,β-unsaturated ester).

Identify the functional group in methylamine.

Quiz: Amino group (-NH2).

Identify the functional group in nitrobenzene.

Quiz: Nitro group (-NO2).

Identify the functional group in oxalic acid.

Quiz: Two carboxyl groups (dicarboxylic acid).

Identify the functional group in phenol.

Quiz: Hydroxyl group (phenolic -OH).

Identify the functional group in phthalimide.

Quiz: Cyclic imide group (aromatic).

Identify the functional group in salicylaldehyde.

Quiz: Both aldehyde and phenolic hydroxyl groups.

Identify the functional group in succinic anhydride.

Quiz: Cyclic acid anhydride group.

Identify the functional group in succinimide.

Quiz: Cyclic imide group (-CO-NH-CO-).

Identify the functional group in tert-butyl hydroperoxide.

Quiz: Hydroperoxide group (-OOH).

Identify the functional group in thiourea.

Quiz: Thiocarbamoyl group (-NH-CS-NH2).

Identify the functional group in urea.

Quiz: Carbamoyl group (amide-like, -NH-CO-NH2).

Identify the functional group in vinyl acetate.

Quiz: Both alkene and ester groups.

Identify the functional groups in halichondrin B.

Quiz: Macrolide, polyol, ether, ester, vinyl iodide.

Identify the functional groups in pancratistatin.

Quiz: Phenanthridine, lactone, amine, hydroxyl.

Identify the functional groups present in ryanodine.

Quiz: Pyrrole, ester, alcohol, ether, alkene.

Identify the sulfur-containing groups in captopril.

Quiz: Thiol, carboxylic acid, proline amide.

List all functional groups in bortezomib.

Quiz: Boronic acid, pyrazine, amide, leucine.

List functional groups in eleutherobin.

Quiz: Macrolide, sugar, furan, ester, carbonate.

List the functional groups in nakadomarine.

Quiz: Azatricyclic, amine, alkene, ether.

List the functional groups in penicillin G.

Quiz: Beta-lactam, thiazolidine, carboxylic acid, amide.

List the functional groups in thapsigargin.

Quiz: Lactone, sesquiterpene, angelate ester, hydroxyl.

Name the amide bonds in cyclosporine A.

Quiz: Multiple N-methylated amide bonds in cyclic peptide.

Name the functional group in acetone.

Quiz: Acetone contains a ketone functional group (C=O between two carbons).

Name the functional groups in artemisinin.

Quiz: Peroxide, lactone, ether, ketone.

Name the functional groups in calyculin A.

Quiz: Dodecadienoyl chain, phosphate, amine, polyol.

Name the functional groups in diazonamide A.

Quiz: Biaryl, amide, indole, epoxide, chloride.

Name the functional groups in estradiol.

Quiz: Phenol, secondary alcohol, aromatic ring.

Name the reaction: alcohol + DMSO/oxalyl chloride.

Quiz: Swern oxidation of alcohols gives aldehydes/ketones.

Name the reaction: alcohol + PBr3.

Quiz: PBr3 converts alcohols to alkyl bromides with inversion of configuration.

Name the reaction: aldehyde + NaBH4.

Quiz: NaBH4 reduces aldehydes to primary alcohols.

Name the reaction: aldehyde + NaHSO3.

Quiz: NaHSO3 adds to aldehydes to form bisulfite addition products.

Name the reaction: aldehyde + RMgBr.

Quiz: Grignard reaction of aldehyde with RMgBr gives a secondary alcohol.

Name the reaction: aldol vs Claisen.

Quiz: Aldol involves aldehydes/ketones; Claisen involves esters. Both form C-C bonds.

Name the reaction: alkyne + HgSO4/H2SO4.

Quiz: Mercury-catalyzed hydration of alkynes gives ketones (Markovnikov).

Name the reaction: alkyne + NaNH2.

Quiz: NaNH2 deprotonates terminal alkynes to form sodium acetylides.

Name the reaction: alkyne + R2BH/H2O2.

Quiz: Hydroboration-oxidation of alkynes gives aldehydes (anti-Markovnikov).

Name the reaction: allylic bromination.

Quiz: NBS (N-bromosuccinimide) performs allylic bromination via radical mechanism.

Name the reaction: aniline + HNO2.

Quiz: Diazotization of aniline with HNO2 gives benzenediazonium salt.

Name the reaction: Bartoli indole synthesis.

Quiz: Bartoli synthesis converts ortho-substituted nitrobenzenes to indoles using vinyl Grignard.

Name the reaction: Beckmann vs Favorskii.

Quiz: Beckmann rearranges oximes; Favorskii rearranges α-halo ketones.

Name the reaction: Beckmann vs Schmidt.

Quiz: Beckmann rearranges oximes; Schmidt uses HN3 with carbonyls.

Name the reaction: benzene + Br2/FeBr3.

Quiz: Electrophilic aromatic bromination of benzene gives bromobenzene.

Name the reaction: benzene + CH3COCl / AlCl3.

Quiz: This is a Friedel-Crafts acylation reaction.

Name the reaction: Buchwald-Hartwig.

Quiz: Buchwald-Hartwig amination forms C-N bonds between aryl halides and amines.

Name the reaction: carboxylic acid + SOCl2.

Quiz: Thionyl chloride converts carboxylic acids to acyl chlorides.

Name the reaction: Corey-Winter olefination.

Quiz: Corey-Winter converts 1,2-diols to alkenes via cyclic thiocarbonates.

Name the reaction: Demjanov vs Tiffeneau.

Quiz: Both expand rings, but Tiffeneau uses aminoalcohols for better selectivity.

Name the reaction: di-π-methane vs oxa-di-π-methane.

Quiz: Di-π-methane involves all-carbon; oxa-di-π-methane has one oxygen.

Name the reaction: Fischer vs Schotten-Baumann.

Quiz: Fischer esterification forms esters; Schotten-Baumann acylation forms amides/esters.

Name the reaction: Friedel-Crafts vs Gattermann.

Quiz: Friedel-Crafts introduces alkyl/acyl groups; Gattermann introduces formyl.

Name the reaction: Glaser coupling.

Quiz: Glaser coupling is the oxidative dimerization of terminal alkynes.

Name the reaction: Grignard + ketone.

Quiz: Grignard addition to ketones gives tertiary alcohols.

Name the reaction: Hantzsch pyrrole synthesis.

Quiz: Hantzsch pyrrole synthesis condenses β-ketoesters, aldehydes, and ammonia.

Name the reaction: Hantzsch thiazole synthesis.

Quiz: Hantzsch thiazole synthesis condenses α-haloketones with thioamides.

Name the reaction: ketone + HCN.

Quiz: HCN adds to ketones to form cyanohydrins.

Name the reaction: Kochi reaction.

Quiz: Kochi reaction uses lead tetraacetate and LiCl for decarboxylative chlorination.

Name the reaction: Mannich reaction.

Quiz: Mannich reaction condenses amine, aldehyde, and enolizable carbonyl.

Name the reaction: Melazol vs Imidazole synthesis.

Quiz: Melzer synthesis and imidazole syntheses form five-membered N-heterocycles.

Name the reaction: Minisci reaction.

Quiz: Minisci reaction adds radicals to protonated nitrogen heterocycles.

Name the reaction: Mitsunobu reaction.

Quiz: Mitsunobu reaction inverts alcohol configuration using DEAD/PPh3.

Name the reaction: Mitsunobu vs Appel.

Quiz: Both convert alcohols to halides, but Mitsunobu also inverts stereochemistry.

Name the reaction: Moody indole synthesis.

Quiz: Moody synthesis uses diazomethyl ketones and anilines to form indoles.

Name the reaction: Nenitzescu indole synthesis.

Quiz: Nenitzescu synthesizes 5-hydroxyindoles from quinones and enamines.

Name the reaction: Oppenauer vs MPV.

Quiz: Oppenauer is the reverse of MPV; both interconvert alcohols and ketones.

Name the reaction: Perkin reaction.

Quiz: Perkin reaction condenses aromatic aldehydes with acid anhydrides.

Name the reaction: Pschorr vs Ullmann.

Quiz: Pschorr uses diazonium intermediates; Ullmann uses copper-catalyzed coupling.

Name the reaction: Reimer-Tiemann.

Quiz: Reimer-Tiemann hydroxylates phenols using chloroform and base.

Name the reaction: Reissert indole synthesis.

Quiz: Reissert synthesis converts 2-nitrotoluene derivatives to indoles.

Name the reaction: Robinson annulation.

Quiz: Robinson annulation combines Michael addition with intramolecular aldol condensation.

Name the reaction: Sommelet reaction.

Quiz: Sommelet reaction converts benzyl halides to aldehydes.

Name the reaction: Sonogashira vs Heck.

Quiz: Sonogashira couples with alkynes; Heck couples with alkenes.

Name the reaction: Stille coupling.

Quiz: Stille coupling uses organotin compounds to form C-C bonds.

Name the reaction: Suzuki coupling.

Quiz: Suzuki coupling forms C-C bonds between aryl boronic acids and aryl halides.

Name the reaction: Takeda olefination.

Quiz: Takeda olefination uses titanocene to convert esters to enol ethers.

Name the reaction: Wagner-Meerwein vs pinacol.

Quiz: Wagner-Meerwein is 1,2-shift from carbocation; pinacol starts from diol.

Name the reaction: Wittig vs Horner-Wadsworth-Emmons.

Quiz: Both make alkenes, but HWE uses phosphonates and gives E-alkenes.

Name the reaction: Wohl degradation.

Quiz: Wohl degradation shortens aldose sugars by one carbon.

Name the reaction: Woodward cis-hydroxylation.

Quiz: Woodward cis-hydroxylation uses iodine/silver acetate for syn-dihydroxylation.

Name the reaction: α-halo ketone + base.

Quiz: Favorskii rearrangement of α-halo ketones gives rearranged carboxylic acid derivatives.

Predict the major product of acetoacetic ester synthesis from ethyl acetoacetate.

Quiz: Methyl ketone after hydrolysis and decarboxylation.

Predict the major product of bromination of aniline.

Quiz: 2,4,6-Tribromoaniline.

Predict the major product of bromination of phenol in water.

Quiz: 2,4,6-Tribromophenol (highly activated ring).

Predict the major product of cyclopropanation of cis-2-butene with CH2I2/Zn-Cu.

Quiz: cis-1,2-Dimethylcyclopropane (retention of alkene geometry).

Predict the major product of dehydration of 2-butanol with H2SO4.

Quiz: 2-Butene (Zaitsev product).

Predict the major product of dehydration of 2-methyl-2-butanol.

Quiz: 2-Methyl-2-butene (Zaitsev product).

Predict the major product of Friedel-Crafts acylation of anisole.

Quiz: 4-Methoxyacetophenone.

Predict the major product of Friedel-Crafts acylation of benzene with acetyl chloride.

Quiz: Acetophenone.

Predict the major product of Friedel-Crafts alkylation of toluene with CH3Cl/AlCl3.

Quiz: 2,4-Dimethyltoluene and 2,6-dimethyltoluene mixture.

Predict the major product of hydroboration of 2-methyl-2-butene with BH3 then H2O2/NaOH.

Quiz: 2-Methyl-2-butanol (anti-Markovnikov addition).

Predict the major product of hydroboration of 3,3-dimethyl-1-butene.

Quiz: 3,3-Dimethyl-1-butanol (anti-Markovnikov).

Predict the major product of Luche reduction of 2-cyclohexenone.

Quiz: 2-Cyclohexen-1-ol (selective 1,2-reduction).

Predict the major product of malonic ester synthesis with ethyl bromide.

Quiz: Butanoic acid after hydrolysis and decarboxylation.

Predict the major product of NBS bromination of toluene.

Quiz: Benzyl bromide (allylic/benzylic bromination).

Predict the major product of nitration of chlorobenzene.

Quiz: Ortho and para-chloronitrobenzene.

Predict the major product of nitration of toluene.

Quiz: Mixture of ortho and para-nitrotoluene.

Predict the major product of oxymercuration of 3,3-dimethyl-1-butene.

Quiz: 3,3-Dimethyl-2-butanol (Markovnikov without rearrangement).

Predict the major product of ozonolysis of 1-methylcyclohexene with reductive workup.

Quiz: 6-Oxoheptanal.

Predict the major product of ozonolysis of 2,3-dimethyl-2-butene with reductive workup.

Quiz: Two molecules of acetone.

Predict the major product of photochemical electrocyclic closure of (2E,4E)-hexadiene.

Quiz: cis-5,6-Dimethyl-1,3-cyclohexadiene (disrotatory).

Predict the major product of radical bromination of propane.

Quiz: 2-Bromopropane (more stable secondary radical).

Predict the major product of reaction of 1,3-butadiene with Br2 at low temperature.

Quiz: 3,4-Dibromo-1-butene (1,2-addition product).

Predict the major product of reaction of 1,6-heptadiene with Grubbs II catalyst.

Quiz: Cyclopentene.

Predict the major product of reaction of 2-methyl-2-butene with HBr.

Quiz: 2-Bromo-2-methylbutane.

Predict the major product of reaction of acetaldehyde with HCN.

Quiz: Acetaldehyde cyanohydrin (2-hydroxypropanenitrile).

Predict the major product of reaction of acetic acid with SOCl2.

Quiz: Acetyl chloride.

Predict the major product of reaction of acetic anhydride with aniline.

Quiz: Acetanilide and acetic acid.

Predict the major product of reaction of acetone with 2,4-DNP.

Quiz: Acetone 2,4-dinitrophenylhydrazone.

Predict the major product of reaction of acetone with NaBH4 then CrO3.

Quiz: Pinacolone (oxidation of secondary alcohol).

Predict the major product of reaction of benzaldehyde with hydroxylamine.

Quiz: Benzaldehyde oxime.

Predict the major product of reaction of benzil with KOH.

Quiz: Benzilic acid (benzil-benzilic acid rearrangement).

Predict the major product of reaction of benzoic acid with SOCl2.

Quiz: Benzoyl chloride.

Predict the major product of reaction of benzoin with HNO3.

Quiz: Benzil (oxidation of α-hydroxy ketone).

Predict the major product of reaction of benzyl chloride with NaCN.

Quiz: Phenylacetonitrile.

Predict the major product of reaction of bromobenzene with Mg in ether then CO2.

Quiz: Benzoic acid after workup.

Predict the major product of reaction of cyclohexanone with hydroxylamine.

Quiz: Cyclohexanone oxime.

Predict the major product of reaction of cyclohexene with cold dilute KMnO4.

Quiz: cis-1,2-Cyclohexanediol.

Predict the major product of reaction of cyclohexene with MCPBA.

Quiz: Cyclohexene oxide (cis-epoxide).

Predict the major product of reaction of cyclohexene with osmium tetroxide.

Quiz: cis-1,2-Cyclohexanediol.

Predict the major product of reaction of cyclopentadiene with maleic anhydride.

Quiz: Endo-bicyclo[2.2.1]hept-5-ene-2,3-dicarboxylic anhydride.

Predict the major product of reaction of DIBAL-H with ethyl benzoate at -78C.

Quiz: Benzaldehyde.

Predict the major product of reaction of diethyl malonate with NaOEt then benzyl bromide.

Quiz: Diethyl benzylmalonate.

Predict the major product of reaction of dimethyl acetylenedicarboxylate with cyclopentadiene.

Quiz: Dimethyl bicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate.

Predict the major product of reaction of dimethyl carbonate with excess phenylmagnesium bromide.

Quiz: Triphenylmethanol.

Predict the major product of reaction of dimethylsulfide with methyl iodide.

Quiz: Trimethylsulfonium iodide.

Predict the major product of reaction of ethyl acetate with excess methylmagnesium bromide.

Quiz: 2-Methyl-2-butanol.

Predict the major product of reaction of ethyl acetoacetate with NaOEt then methyl iodide.

Quiz: Ethyl 2-methylacetoacetate.

Predict the major product of reaction of ethyl bromoacetate with zinc then benzaldehyde.

Quiz: Ethyl 3-hydroxy-3-phenylpropanoate.

Predict the major product of reaction of ethyl chloroacetate with sodium azide.

Quiz: Ethyl azidoacetate.

Predict the major product of reaction of ethyl cyanoacetate with NaOEt then methyl iodide.

Quiz: Ethyl 2-cyano-2-methylacetate.

Predict the major product of reaction of ethylene oxide with methylmagnesium bromide.

Quiz: 1-Propanol after workup.

Predict the major product of reaction of glucose with bromine water.

Quiz: Gluconic acid (aldose to aldonic acid).

Predict the major product of reaction of Grubbs I catalyst with 1,9-decadiene.

Quiz: Cyclooctene and ethylene.

Predict the major product of reaction of lithium aluminum hydride with ethyl benzoate.

Quiz: Benzyl alcohol.

Predict the major product of reaction of methyl benzoate with NaOH/H2O.

Quiz: Sodium benzoate and methanol.

Predict the major product of reaction of methyl isocyanate with methanol.

Quiz: Methyl N-methylcarbamate.

Predict the major product of reaction of n-butyllithium with DMF.

Quiz: Pentanal after workup.

Predict the major product of reaction of PBr3 with (R)-2-butanol.

Quiz: (S)-2-Bromobutane (inversion).

Predict the major product of reaction of phenyl isocyanate with ethanol.

Quiz: Ethyl N-phenylcarbamate.

Predict the major product of reaction of phenyl lithium with carbon dioxide.

Quiz: Benzoic acid after workup.

Predict the major product of reaction of phenylacetonitrile with NaOH/H2O then H+.

Quiz: Phenylacetic acid.

Predict the major product of reaction of phosgene with excess aniline.

Quiz: Diphenylurea.

Predict the major product of reaction of propanal with Tollens reagent.

Quiz: Propanoic acid and silver mirror.

Predict the major product of reaction of propene with HBr in peroxides.

Quiz: 1-Bromopropane (anti-Markovnikov).

Predict the major product of reaction of propylene oxide with phenylmagnesium bromide.

Quiz: 1-Phenyl-2-propanol.

Predict the major product of reaction of sodium acetylide with ethyl bromide.

Quiz: 1-Butyne.

Predict the major product of reaction of sodium borohydride with 2-cyclohexenone.

Quiz: 2-Cyclohexen-1-ol (1,2-reduction).

Predict the major product of reaction of thionyl chloride with (R)-2-butanol.

Quiz: (S)-2-Chlorobutane (inversion via SNi or retention via SNi).

Predict the major product of reaction of triphenylphosphine with 1-bromobutane then NaOH.

Quiz: Butyltriphenylphosphonium hydroxide (ylide precursor).

Predict the major product of reaction of vinyl magnesium bromide with CO2 then H3O+.

Quiz: Acrylic acid.

Predict the major product of ring opening of cyclohexene oxide with methanol/H+.

Quiz: trans-2-Methoxycyclohexanol.

Predict the major product of the [2+2] photocycloaddition of two ethylene molecules.

Quiz: Cyclobutane.

Predict the major product of the Aza-Baylis-Hillman of benzaldehyde and acrylamide.

Quiz: 2-(Hydroxyphenylmethyl)acrylamide.

Predict the major product of the Baeyer-Villiger of 2-methylcyclohexanone.

Quiz: 7-Methyl-ε-caprolactone (migratory aptitude: sec > primary).

Predict the major product of the Baeyer-Villiger of acetophenone.

Quiz: Phenyl acetate (aryl > methyl migration).

Predict the major product of the Bamford-Stevens of acetophenone tosylhydrazone.

Quiz: Styrene.

Predict the major product of the Clemmensen reduction of anthraquinone.

Quiz: Anthracene.

Predict the major product of the Cope rearrangement of 1,5-dimethyl-1,5-hexadiene.

Quiz: 2,6-Octadiene via [3,3]-sigmatropic shift.

Predict the major product of the Curtius rearrangement of ethyl azidoacetate.

Quiz: Methyl isocyanate, then ethanol gives ethyl N-methylcarbamate.

Predict the major product of the Finkelstein reaction of 1-bromobutane with NaI in acetone.

Quiz: 1-Iodobutane.

Predict the major product of the HWE of benzaldehyde with triethyl phosphonoacetate.

Quiz: Ethyl (E)-cinnamate.

Predict the major product of the oxy-Cope of 3-methyl-1,5-hexadien-3-ol.

Quiz: 6-Methyl-5-hepten-2-one after tautomerization.

Predict the major product of the Paterno-Buchi reaction of acetone and furan.

Quiz: Oxetane fused to furan.

Predict the major product of the Pauson-Khand of 1-hexyne, ethylene, and CO.

Quiz: 2-Cyclopentenone derivative.

Predict the major product of the Prevost reaction of cyclohexene with iodine and silver benzoate.

Quiz: trans-1,2-Cyclohexanediol dibenzoate.

Predict the major product of the Shapiro reaction of cyclohexanone tosylhydrazone.

Quiz: Cyclohexene.

Predict the major product of the Swern oxidation of cis-2-buten-1-ol.

Quiz: Crotonaldehyde (cis-2-butenal).

Predict the major product of the TEMPO oxidation of 1-hexadecanol.

Quiz: Hexadecanal.

Predict the major product of the Wittig of cyclopentanone with methylenetriphenylphosphorane.

Quiz: Methylenecyclopentane.

Predict the major product of the Wolff-Kishner reduction of fluorenone.

Quiz: Fluorene.

Predict the major product of the Woodward cis-hydroxylation of cis-cyclooctene.

Quiz: cis-1,2-Cyclooctanediol.

Predict the major product of thermal electrocyclic ring closure of (2E,4Z)-hexadiene.

Quiz: cis-5,6-Dimethyl-1,3-cyclohexadiene (conrotatory).

Predict the stereochemistry of Birch reduction of anisole.

Quiz: 1,4-Reduction gives non-conjugated diene.

Predict the stereochemistry of bromination of cis-2-butene.

Quiz: Anti addition gives (±)-2,3-dibromobutane.

Predict the stereochemistry of bromination of trans-2-butene.

Quiz: Anti addition gives meso-2,3-dibromobutane.

Predict the stereochemistry of catalytic hydrogenation of cis-2-butene.

Quiz: Syn addition gives butane (achiral).

Predict the stereochemistry of CBS reduction of 2-methylcyclohexanone.

Quiz: Enantioselective reduction to specific alcohol enantiomer.

Predict the stereochemistry of Dess-Martin oxidation.

Quiz: Retention of configuration.

Predict the stereochemistry of Diels-Alder between cyclopentadiene and maleic anhydride.

Quiz: Endo product is kinetically favored.

Predict the stereochemistry of dissolving metal reduction of alkynes.

Quiz: Anti reduction gives trans-alkene.

Predict the stereochemistry of E2 elimination of meso-1,2-dibromocyclohexane.

Quiz: Anti elimination gives trans-cyclohexene (if possible) or trans-1,3-cyclohexadiene.

Predict the stereochemistry of epoxidation of cis-2-butene.

Quiz: Syn addition gives cis-2,3-dimethyloxirane.

Predict the stereochemistry of epoxidation of trans-2-butene.

Quiz: Syn addition gives trans-2,3-dimethethyloxirane.

Predict the stereochemistry of glycosylation with neighboring group participation.

Quiz: 1,2-trans glycoside (beta for glucose).

Predict the stereochemistry of hydroboration-oxidation of cis-2-butene.

Quiz: Syn addition gives meso-2,3-butanediol.

Predict the stereochemistry of hydroboration-oxidation of trans-2-butene.

Quiz: Syn addition gives (±)-2,3-butanediol.

Predict the stereochemistry of Lindlar hydrogenation of alkynes.

Quiz: Syn reduction gives cis-alkene.

Predict the stereochemistry of Luche reduction of 2-cyclohexenone.

Quiz: Selective 1,2-reduction to (S)- or (R)-2-cyclohexen-1-ol.

Predict the stereochemistry of nucleophilic epoxide opening.

Quiz: Anti attack at less substituted carbon (SN2-like).

Predict the stereochemistry of osmium tetroxide dihydroxylation of cis-2-butene.

Quiz: Syn addition gives meso-2,3-butanediol.

Predict the stereochemistry of OsO4 dihydroxylation of trans-2-butene.

Quiz: Syn addition gives (±)-2,3-butanediol.

Predict the stereochemistry of ring-closing metathesis.

Quiz: Depends on ring size; E/Z ratio varies.

Predict the stereochemistry of Sharpless dihydroxylation of styrene.

Quiz: Enantioselective syn dihydroxylation.

Predict the stereochemistry of Sharpless epoxidation of (E)-2-hexen-1-ol.

Quiz: Enantioselective epoxidation controlled by tartrate.

Predict the stereochemistry of Simmons-Smith reaction with cis-2-butene.

Quiz: Syn addition gives cis-1,2-dimethylcyclopropane.

Predict the stereochemistry of Simmons-Smith with trans-2-butene.

Quiz: Syn addition gives trans-1,2-dimethylcyclopropane.

Predict the stereochemistry of SN2 reaction of (R)-2-bromobutane with NaOH.

Quiz: Inversion of configuration gives (S)-2-butanol.

Predict the stereochemistry of Swern oxidation.

Quiz: Retention of configuration at adjacent centers.

Predict the stereochemistry of the [2,3]-Wittig rearrangement.

Quiz: Concerted suprafacial shift.

Predict the stereochemistry of the aldol reaction with E-enolate.

Quiz: Anti-aldol product via Zimmerman-Traxler chair TS.

Predict the stereochemistry of the aldol reaction with Z-enolate.

Quiz: Syn-aldol product via Zimmerman-Traxler chair TS.

Predict the stereochemistry of the Appel reaction.

Quiz: Inversion of configuration (SN2 at carbon).

Predict the stereochemistry of the Baeyer-Villiger reaction.

Quiz: Retention at migrating center.

Predict the stereochemistry of the Baylis-Hillman reaction.

Quiz: Anti-selective for most substrates.

Predict the stereochemistry of the Beckmann rearrangement.

Quiz: Anti-migrating group migrates with retention.

Predict the stereochemistry of the Claisen rearrangement.

Quiz: [3,3]-Sigmatropic shift via chair transition state.

Predict the stereochemistry of the Cope rearrangement.

Quiz: Suprafacial [3,3]-shift via chair-like transition state.

Predict the stereochemistry of the Corey-Winter olefination.

Quiz: Syn-elimination gives cis-alkene.

Predict the stereochemistry of the Curtius rearrangement.

Quiz: Retention at migrating carbon.

Predict the stereochemistry of the Eschenmoser-Claisen rearrangement.

Quiz: Chair TS gives γ,δ-unsaturated amide.

Predict the stereochemistry of the Evans aldol reaction.

Quiz: Syn-aldol with controlled stereochemistry.

Predict the stereochemistry of the Favorskii rearrangement.

Quiz: Inversion at α-carbon.

Predict the stereochemistry of the HWE reaction of benzaldehyde.

Quiz: E-alkene predominates (thermodynamic control).

Predict the stereochemistry of the Ireland-Claisen rearrangement.

Quiz: Z-Enolate gives anti-product; E-enolate gives syn.

Predict the stereochemistry of the Mitsunobu reaction.

Quiz: Complete inversion of configuration at alcohol carbon.

Predict the stereochemistry of the Neber rearrangement.

Quiz: Formation of α-aminoketone with specific stereochemistry.

Predict the stereochemistry of the Overman rearrangement.

Quiz: [3,3]-Shift with retention of allylic configuration.

Predict the stereochemistry of the Pauson-Khand reaction.

Quiz: Exo selectivity in intramolecular variant.

Predict the stereochemistry of the pinacol rearrangement.

Quiz: Retention at migrating center.

Predict the stereochemistry of the Schmidt reaction.

Quiz: Retention at migrating carbon.

Predict the stereochemistry of the Wittig reaction with stabilized ylide.

Quiz: E-alkene predominates (thermodynamic product).

Predict the stereochemistry of the Wittig reaction with unstabilized ylide.

Quiz: Z-alkene predominates (kinetic product).

Rank the following by acidity: ethanol, phenol, water, acetic acid.

Quiz: Acetic acid > phenol > water > ethanol.

Rank the following by basicity: aniline, ammonia, pyridine, methylamine.

Quiz: Methylamine > ammonia > pyridine > aniline.

Rank the following by boiling point: pentane, butanal, 1-butanol, diethyl ether.

Quiz: 1-Butanol > butanal > diethyl ether > pentane.

Rank the following by Diels-Alder reactivity: cyclopentadiene, 1,3-cyclohexadiene, (E,E)-2,4-hexadiene.

Quiz: Cyclopentadiene > 1,3-cyclohexadiene > (E,E)-2,4-hexadiene.

Rank the following by ease of dehydration: 2-butanol, 2-methyl-2-butanol, cyclohexanol.

Quiz: 2-Methyl-2-butanol > cyclohexanol > 2-butanol.

Rank the following by ease of deprotonation: ethane, ethylene, acetylene, acetone.

Quiz: Acetone > acetylene > ethylene > ethane.

Rank the following by electrophilic aromatic substitution reactivity: toluene, chlorobenzene, nitrobenzene, phenol.

Quiz: Phenol >> toluene > chlorobenzene > nitrobenzene.

Rank the following by electrophilicity of carbonyl: acetyl chloride, acetic anhydride, ethyl acetate, acetamide.

Quiz: Acetyl chloride > acetic anhydride > ethyl acetate > acetamide.

Rank the following by pKa: acetic acid, ethanol, phenol, water, acetylene.

Quiz: Acetic acid < phenol < water < ethanol < acetylene.

Rank the following by rate of aldol condensation: acetaldehyde, acetone, 3-pentanone.

Quiz: Acetaldehyde > acetone > 3-pentanone.

Rank the following by rate of Baeyer-Villiger: cyclohexanone, acetophenone, acetone.

Quiz: Cyclohexanone > acetophenone > acetone.

Rank the following by rate of base-catalyzed hydrogen-deuterium exchange: acetone, acetophenone, cyclopentanone.

Quiz: Cyclopentanone > acetone > acetophenone.

Rank the following by rate of catalytic hydrogenation: ethylene, cis-2-butene, trans-2-butene, tetramethylethylene.

Quiz: Ethylene > cis-2-butene > trans-2-butene > tetramethylethylene.

Rank the following by rate of Claisen condensation: ethyl formate, ethyl acetate, ethyl benzoate.

Quiz: Ethyl formate > ethyl acetate > ethyl benzoate.

Rank the following by rate of Claisen rearrangement: allyl vinyl ether, allyl phenyl ether, allyl naphthyl ether.

Quiz: Allyl vinyl ether > allyl phenyl ether > allyl naphthyl ether.

Rank the following by rate of Cope rearrangement: 1,5-hexadiene, 1,5-dimethyl-1,5-hexadiene, 3,3-dimethyl-1,5-hexadiene.

Quiz: Rate depends on substituent effects on TS.

Rank the following by rate of Diels-Alder with maleic anhydride: cyclopentadiene, 1,3-butadiene, (E,E)-2,4-hexadiene.

Quiz: Cyclopentadiene > (E,E)-2,4-hexadiene > 1,3-butadiene.

Rank the following by rate of Diels-Alder: cyclopentadiene, cyclohexadiene, cycloheptadiene.

Quiz: Cyclopentadiene > cyclohexadiene > cycloheptadiene.

Rank the following by rate of E1cb elimination: 2,2,2-trifluoroethyl bromide, 2-bromoethanol, 2-bromoethylamine.

Quiz: Depends on leaving group and substrate pKa.

Rank the following by rate of E2 elimination: 2-bromobutane, 2-bromo-2-methylbutane, 1-bromobutane.

Quiz: 2-Bromo-2-methylbutane > 2-bromobutane > 1-bromobutane.

Rank the following by rate of electrophilic addition: ethylene, propene, 2-methylpropene, 2-methyl-2-butene.

Quiz: 2-Methyl-2-butene > 2-methylpropene > propene > ethylene.

Rank the following by rate of epoxidation: cis-2-butene, trans-2-butene, tetramethylethylene.

Quiz: Tetramethylethylene > cis-2-butene > trans-2-butene.

Rank the following by rate of ester hydrolysis: ethyl acetate, ethyl chloroacetate, ethyl trichloroacetate.

Quiz: Ethyl trichloroacetate > ethyl chloroacetate > ethyl acetate.

Rank the following by rate of Friedel-Crafts acylation: benzene, toluene, anisole, chlorobenzene.

Quiz: Anisole > toluene > benzene > chlorobenzene.

Rank the following by rate of Friedel-Crafts alkylation: benzene, toluene, m-xylene, mesitylene.

Quiz: Mesitylene > m-xylene > toluene > benzene.

Rank the following by rate of Grignard addition: formaldehyde, acetaldehyde, acetone, ethyl benzoate.

Quiz: Formaldehyde > acetaldehyde > acetone > ethyl benzoate.

Rank the following by rate of Grignard formation: methyl iodide, ethyl bromide, isopropyl chloride, vinyl chloride.

Quiz: Methyl iodide > ethyl bromide > isopropyl chloride >> vinyl chloride.

Rank the following by rate of hydrogenation with Pd/C: ethylene, cis-2-butene, trans-2-butene.

Quiz: Ethylene > cis-2-butene > trans-2-butene.

Rank the following by rate of hydrolysis: acetyl chloride, acetic anhydride, ethyl acetate, acetamide.

Quiz: Acetyl chloride > acetic anhydride > ethyl acetate > acetamide.

Rank the following by rate of nucleophilic addition to carbonyl: formaldehyde, acetone, benzophenone.

Quiz: Formaldehyde > acetone > benzophenone.

Rank the following by rate of nucleophilic aromatic substitution: 2,4-dinitrochlorobenzene, 4-chloronitrobenzene, chlorobenzene.

Quiz: 2,4-Dinitrochlorobenzene > 4-chloronitrobenzene >> chlorobenzene.

Rank the following by rate of nucleophilic substitution at acyl carbon: benzoyl chloride, ethyl benzoate, benzamide.

Quiz: Benzoyl chloride > ethyl benzoate > benzamide.

Rank the following by rate of nucleophilic substitution: 1-bromoethane, 1-bromo-2-methylpropane, 1-bromo-2,2-dimethylpropane.

Quiz: 1-Bromoethane > 1-bromo-2-methylpropane >> 1-bromo-2,2-dimethylpropane.

Rank the following by rate of oxidation with chromic acid: primary alcohol, secondary alcohol, tertiary alcohol.

Quiz: Primary > secondary > tertiary (tertiary resists oxidation).

Rank the following by rate of ozonolysis: ethylene, propene, 2-methyl-2-butene, tetramethylethylene.

Quiz: Tetramethylethylene > 2-methyl-2-butene > propene > ethylene.

Rank the following by rate of radical bromination: propane, isobutane, cyclohexane.

Quiz: Isobutane > cyclohexane > propane.

Rank the following by rate of SN1 solvolysis: tert-butyl chloride, isopropyl chloride, ethyl chloride.

Quiz: tert-Butyl >> isopropyl > ethyl (3° > 2° > 1° carbocation stability).

Rank the following by rate of SN2 reaction: methyl bromide, ethyl bromide, isopropyl bromide, tert-butyl bromide.

Quiz: Methyl > ethyl > isopropyl > tert-butyl (steric effects).

Rank the following by rate of SN2: methyl iodide, methyl bromide, methyl chloride, methyl fluoride.

Quiz: Methyl iodide > methyl bromide > methyl chloride > methyl fluoride.

Rank the following by rate of SNAr: 2,4-dinitrochlorobenzene, 4-nitrochlorobenzene, chlorobenzene.

Quiz: 2,4-Dinitrochlorobenzene >> 4-nitrochlorobenzene > chlorobenzene.

Rank the following by rate of Wittig reaction: methylenetriphenylphosphorane vs benzylidenetriphenylphosphorane with benzaldehyde.

Quiz: Unstabilized ylide reacts faster than stabilized.

Rank the following by ring strain: cyclopropane, cyclobutane, cyclopentane, cycloheptane, cyclohexane.

Quiz: Cyclopropane > cyclobutane > cycloheptane > cyclopentane > cyclohexane.

Rank the following by stability of alkene: 1-butene, cis-2-butene, trans-2-butene, 2-methyl-2-butene.

Quiz: 2-Methyl-2-butene > trans-2-butene > cis-2-butene > 1-butene.

Rank the following by stability of alkyl radical: methyl, primary, secondary, tertiary.

Quiz: Tertiary > secondary > primary > methyl.

Rank the following by stability of carbanion: ethyl, vinyl, phenyl, acetylide.

Quiz: Acetylide > phenyl > vinyl > ethyl.

Rank the following by stability of carbocation: methyl, primary, secondary, tertiary, benzylic, allyl.

Quiz: Tertiary ~ benzylic ~ allyl > secondary > primary > methyl.

Rank the following by stability: benzene, 1,3-cyclohexadiene, 1,4-cyclohexadiene, cyclohexane.

Quiz: Benzene >> cyclohexane > 1,4-cyclohexadiene > 1,3-cyclohexadiene.

Rank the following by stability: cyclopropane, cyclobutane, cyclopentane, cyclohexane.

Quiz: Cyclohexane > cyclopentane > cyclobutane > cyclopropane.

Rank the following by steric bulk: methyl, ethyl, isopropyl, tert-butyl.

Quiz: tert-Butyl > isopropyl > ethyl > methyl.

Rank the following Diels-Alder reactivity: cyclopentadiene, 1,3-butadiene, anthracene.

Quiz: Cyclopentadiene > anthracene > 1,3-butadiene.

What 13C DEPT-135 distinguishes?

Quiz: CH3 and CH appear positive; CH2 appears negative; quaternary C absent.

What 13C NMR shift confirms the allene in tetrahymenol?

Quiz: Allenyl carbons at delta 75-90 ppm.

What 13C NMR shift confirms the thiophene in clopidogrel?

Quiz: Thiophene carbons at delta 125-140 ppm.

What 13C NMR shift indicates the quinone in menadione?

Quiz: Carbonyl signals at delta 185-188 ppm.

What 13C NMR signal confirms the oxetane in taxol?

Quiz: Oxetane carbons at delta 70-80 ppm.

What 13C NMR signal identifies the macrocyclic ester in salinomycin?

Quiz: Ester carbonyl at delta 170-175 ppm.

What 19F NMR confirms the difluoromethyl in efavirenz?

Quiz: 19F doublet of doublets at delta -120 ppm.

What 19F NMR signal identifies fluorine in fluoxetine?

Quiz: 19F signal at delta -120 to -125 ppm.

What 1H NMR chemical shift indicates a carboxylic acid proton?

Quiz: Singlet at δ 10-12 ppm (very broad).

What 1H NMR chemical shift indicates a methyl group next to oxygen?

Quiz: Singlet or multiplet at δ 3.3-4.0 ppm.

What 1H NMR chemical shift indicates a methyl ketone?

Quiz: Singlet at δ 2.1 ppm.

What 1H NMR chemical shift indicates a vinyl proton?

Quiz: Multiplet at δ 4.5-6.5 ppm.

What 1H NMR chemical shift indicates an alcohol proton?

Quiz: Singlet at δ 1-5 ppm (exchangeable with D2O).

What 1H NMR chemical shift indicates an aldehyde proton?

Quiz: Singlet at δ 9-10 ppm.

What 1H NMR chemical shift indicates an aromatic proton?

Quiz: Multiplet at δ 6.5-8.0 ppm.

What 1H NMR pattern identifies the amino acid proline in cyclosporine?

Quiz: Proline ring protons at delta 3.5-4.5 ppm.

What 1H NMR shift confirms the vinyl chloride in callipeltoside?

Quiz: Vinylic proton at delta 5.8-6.2 ppm.

What 1H NMR shift identifies the N-methyl groups in cyclosporine?

Quiz: N-methyl singlets at delta 2.5-3.0 ppm.

What 1H NMR signal confirms the aldehyde in retinal?

Quiz: Aldehyde proton at delta 9.4-10.0 ppm.

What 1H NMR signal identifies the imidazole in histamine?

Quiz: Imidazole protons at delta 6.8 and 7.6 ppm.

What alcohol groups are in glucose?

Quiz: Multiple secondary and one primary hydroxyl group.

What are diastereotopic protons?

Quiz: Protons in different chemical environments giving different NMR signals.

What are enantiotopic protons?

Quiz: Protons related by mirror plane, equivalent in achiral environment.

What are the functional groups in cephalotaxine?

Quiz: Tetrahydroisoquinoline, ester, amine, cyclopropane.

What are the functional groups in indolactam V?

Quiz: Pyrrolidine, indole, amide, hydroxyl.

What are the functional groups in kainic acid?

Quiz: Pyrrolidine, carboxylic acid, isopropenyl, amine.

What are the key functional groups in rapamycin?

Quiz: Macrolide, amide, enone, hydroxyl, ester.

What are the key functional groups in taxol?

Quiz: Amide, ester, oxetane, alcohol, phenyl, benzamide.

What aromatic functional groups are in doxorubicin?

Quiz: Anthraquinone, phenol, catechol.

What asymmetric reaction was used in salinosporamide A synthesis?

Quiz: Evans aldol reaction to establish the C3 and C4 stereocenters.

What cascade reaction was employed in taxol total synthesis?

Quiz: Intramolecular Heck cascade to construct the ABC ring system.

What CD spectrum confirms the helix in vancomycin?

Quiz: Characteristic Cotton effects at 280 nm.

What CD spectrum establishes absolute configuration of morphine?

Quiz: Cotton effect at 285 nm for the aromatic chromophore.

What determines the stereoselectivity of Wittig reactions?

Quiz: Stabilized ylides: E-selective; unstabilized: Z-selective.

What determines the syn/anti selectivity in aldol reactions?

Quiz: Enolate geometry and Zimmerman-Traxler transition state.

What Diels-Alder variant was key in camptothecin synthesis?

Quiz: Inverse electron demand Diels-Alder with an electron-rich dienophile.

What does a 13C NMR signal at δ 0-40 ppm indicate?

Quiz: Alkyl carbon (sp3 hybridized).

What does a 13C NMR signal at δ 110-150 ppm indicate?

Quiz: Alkene or aromatic carbon.

What does a 13C NMR signal at δ 170 ppm indicate?

Quiz: Ester, amide, or carboxylic acid carbonyl carbon.

What does a 13C NMR signal at δ 200 ppm indicate?

Quiz: Ketone or aldehyde carbonyl carbon.

What does a 13C NMR signal at δ 50-60 ppm indicate?

Quiz: Carbon bonded to nitrogen or oxygen (CH3-O, CH3-N).

What does a 13C NMR signal at δ 50-80 ppm indicate?

Quiz: Carbon bonded to oxygen or nitrogen.

What does a 13C NMR signal at δ 55 ppm indicate?

Quiz: Methoxy carbon (OCH3).

What does a 13C NMR signal at δ 90-110 ppm indicate?

Quiz: Acetal or hemiacetal carbon (sp3 carbon bonded to two oxygens).

What does a 1H NMR singlet at δ 12 ppm that disappears with D2O indicate?

Quiz: Carboxylic acid proton.

What does a 1H NMR singlet at δ 2.3 ppm integrating to 3H indicate?

Quiz: Methyl group attached to an aromatic ring or carbonyl.

What does a base peak at m/z 43 in mass spec indicate?

Quiz: Commonly [CH3CO]+ (acetyl) or [C3H7]+ (propyl).

What does a broad singlet at δ 3-4 ppm that disappears with D2O indicate?

Quiz: Exchangeable NH or OH proton.

What does a doublet integrating to 6H and a septet integrating to 1H in 1H NMR indicate?

Quiz: Isopropyl group (-CH(CH3)2).

What does a doublet of doublets with J=17 and J=10 Hz indicate?

Quiz: Terminal vinyl group (-CH=CH2).

What does a multiplet at δ 7.2-7.4 ppm integrating to 5H indicate?

Quiz: Monosubstituted benzene ring.

What does a singlet integrating to 6H suggest?

Quiz: Two equivalent methyl groups.

What does a triplet at δ 0.9 ppm integrating to 3H indicate?

Quiz: Terminal methyl of an ethyl group or propyl chain.

What does a triplet of doublets in 1H NMR suggest?

Quiz: CH coupled to three equivalent protons and one different proton.

What does a UV absorption at 217 nm with ε=15,000 indicate?

Quiz: Conjugated diene system.

What does a UV absorption at 254 nm indicate?

Quiz: Likely an aromatic ring or conjugated diene.

What does coupling constant J ≈ 2 Hz in aromatic 1H NMR indicate?

Quiz: Meta-coupling between aromatic protons.

What does coupling constant J ≈ 8 Hz in aromatic 1H NMR indicate?

Quiz: Ortho-coupling between aromatic protons.

What does E/Z nomenclature describe?

Quiz: Configuration of alkene geometry based on priority of substituents.

What does IR absorption at 2250 cm⁻¹ indicate?

Quiz: Nitrile (C≡N) or alkyne (C≡C).

What does IR at 1640 cm⁻¹ with N-H at 3300 cm⁻¹ indicate?

Quiz: Primary amide (amide I band and N-H stretches).

What does R/S nomenclature describe?

Quiz: Absolute configuration of a chiral center using Cahn-Ingold-Prelog priority rules.

What does the 13C NMR signal at δ 160-185 ppm indicate?

Quiz: Ester, amide, or carboxylic acid carbonyl.

What does the 13C NMR signal at δ 190-200 ppm indicate?

Quiz: Aldehyde or ketone carbonyl.

What does the combination of IR at 3300 (broad) and 1710 cm⁻¹ indicate?

Quiz: Carboxylic acid (O-H stretch + C=O stretch).

What does the DEPT-135 spectrum show for isopropanol?

Quiz: CH at δ 64 ppm (positive), two equivalent CH3 at δ 25 ppm (positive).

What does the IR absorption at 1100-1150 cm⁻¹ indicate?

Quiz: C-O stretching vibration (ether or alcohol).

What does the IR absorption at 1600 and 1500 cm⁻¹ indicate?

Quiz: Aromatic ring C=C skeletal vibrations.

What does the IR absorption at 1740 cm⁻¹ with C-O at 1200 cm⁻¹ indicate?

Quiz: Ester functional group.

What does the IR absorption at 3300 cm⁻¹ (sharp) indicate?

Quiz: Terminal alkyne C-H stretch.

What does the IR absorption at 910 and 990 cm⁻¹ indicate?

Quiz: Terminal vinyl C-H out-of-plane bends (R-CH=CH2).

What does the mass spectrum base peak at m/z 91 indicate?

Quiz: Tropylium cation (C7H7+) from toluene or benzyl compounds.

What does the mass spectrum M-17 fragment indicate?

Quiz: Loss of OH radical (common for carboxylic acids).

What does the mass spectrum molecular ion at m/z 78 indicate?

Quiz: Likely benzene (C6H6, MW = 78).

What does the mass spectrum peak at m/z 77 indicate?

Quiz: Phenyl cation (C6H5+).

What does the mass spectrum peak at M+2 about 1/3 of M+ suggest?

Quiz: Presence of one chlorine atom (35Cl/37Cl ≈ 3:1).

What does the mass spectrum peak at M+2 equal to M+ suggest?

Quiz: Presence of one bromine atom (79Br/81Br ≈ 1:1).

What does the molecular ion M+ at m/z 46 indicate?

Quiz: Likely ethanol (C2H5OH, MW=46) or dimethyl ether.

What ester groups are present in lovastatin?

Quiz: Methyl butyrate ester, lactone ring.

What functional group is present in acetic anhydride?

Quiz: Acid anhydride group (-CO-O-CO-).

What functional group is present in acetylcholine?

Quiz: Quaternary ammonium and ester.

What functional group is present in adipic acid?

Quiz: Two carboxyl groups (1,6-dicarboxylic acid).

What functional group is present in allicin?

Quiz: Thiosulfinate (-S(O)-S-) from garlic.

What functional group is present in anethole?

Quiz: Methoxy and propenyl group (1-methoxy-4-propenylbenzene).

What functional group is present in ascorbic acid (vitamin C)?

Quiz: Enediol and lactone (γ-lactone with enediol).

What functional group is present in aspirin?

Quiz: Ester and carboxyl groups (acetylsalicylic acid).

What functional group is present in borneol?

Quiz: Secondary alcohol and bicyclic bridge.

What functional group is present in caffeine?

Quiz: Purine with two amide groups (xanthine derivative).

What functional group is present in camphor?

Quiz: Ketone and bicyclic bridge (bornane).

What functional group is present in capsaicin?

Quiz: Amide, vanillyl, and long-chain alkene.

What functional group is present in carvacrol?

Quiz: Phenol and isopropyl groups (isomer of thymol).

What functional group is present in chloramphenicol?

Quiz: Dichloroacetamide and nitrobenzene.

What functional group is present in cimetidine?

Quiz: Imidazole, cyanoguanidine, and thioether.

What functional group is present in cinnamaldehyde?

Quiz: Aldehyde and conjugated alkene.

What functional group is present in citral?

Quiz: Aldehyde and conjugated diene.

What functional group is present in citric acid?

Quiz: Three carboxyl groups and one hydroxyl (2-hydroxypropane-1,2,3-tricarboxylic acid).

What functional group is present in citronellal?

Quiz: Aldehyde and isolated alkene.

What functional group is present in cysteine?

Quiz: Thiol, amine, and carboxyl (β-mercapto amino acid).

What functional group is present in dopamine?

Quiz: Catechol (1,2-dihydroxybenzene) and primary amine.

What functional group is present in epinephrine?

Quiz: Secondary amine, catechol, and secondary alcohol.

What functional group is present in ethanol?

Quiz: Ethanol contains a hydroxyl group (-OH) attached to an sp3 carbon.

What functional group is present in eugenol?

Quiz: Allyl, phenol, and methoxy (4-allyl-2-methoxyphenol).

What functional group is present in formaldehyde?

Quiz: Aldehyde group (-CHO), the simplest aldehyde.

What functional group is present in formic acid?

Quiz: Both aldehyde and carboxyl groups (unique dual functionality).

What functional group is present in GABA?

Quiz: Primary amine and carboxyl (γ-aminobutyric acid).

What functional group is present in geraniol?

Quiz: Primary allylic alcohol.

What functional group is present in glycolic acid?

Quiz: Hydroxyl and carboxyl (α-hydroxy acid).

What functional group is present in glyoxal?

Quiz: Two aldehyde groups (α-dicarbonyl).

What functional group is present in ibuprofen?

Quiz: Carboxyl group and isobutylbenzene.

What functional group is present in limonene?

Quiz: Cycloalkene with isopropenyl group.

What functional group is present in linalool?

Quiz: Allylic alcohol and tertiary alcohol.

What functional group is present in malic acid?

Quiz: Hydroxyl and carboxyl (α-hydroxy diacid).

What functional group is present in menthol?

Quiz: Secondary alcohol and cyclohexane ring.

What functional group is present in metformid?

Quiz: Guanidine group (biguanide).

What functional group is present in methyl salicylate?

Quiz: Ester and phenol (methyl 2-hydroxybenzoate).

What functional group is present in nerol?

Quiz: Primary allylic alcohol (Z-isomer of geraniol).

What functional group is present in nicotine?

Quiz: Pyridine and pyrrolidine nitrogen heterocycles.

What functional group is present in oxalic acid?

Quiz: Two carboxyl groups (α-dicarboxylic acid).

What functional group is present in paracetamol?

Quiz: Amide and phenol (N-acetyl-p-aminophenol).

What functional group is present in penicillin G?

Quiz: β-Lactam ring, thiazolidine, and amide.

What functional group is present in penicillin?

Quiz: β-Lactam and thiazolidine ring.

What functional group is present in pimelic acid?

Quiz: Two carboxyl groups (1,7-dicarboxylic acid).

What functional group is present in piperine?

Quiz: Amide, methylenedioxy, and conjugated diene.

What functional group is present in safrole?

Quiz: Methylenedioxy and allyl group.

What functional group is present in sebacic acid?

Quiz: Two carboxyl groups (1,10-dicarboxylic acid).

What functional group is present in serotonin?

Quiz: Indole and primary amine.

What functional group is present in succinic acid?

Quiz: Two carboxyl groups (1,4-dicarboxylic acid).

What functional group is present in tartaric acid?

Quiz: Two hydroxyl and two carboxyl groups (2,3-dihydroxy diacid).

What functional group is present in thymol?

Quiz: Phenol and isopropyl groups.

What functional group is present in vanillin?

Quiz: Aldehyde, ether, and phenol (4-hydroxy-3-methoxybenzaldehyde).

What functional groups are found in vancomycin?

Quiz: Carboxylic acid, amide, chloride, phenol, amine.

What functional groups are in concanamycin A?

Quiz: Macrolide, polyol, ether, ester, ketone.

What functional groups are in galanthamine?

Quiz: Tertiary amine, benzofuran, ether, hydroxyl.

What functional groups are in laulimalide?

Quiz: Macrolide, diene, polyol, ester.

What functional groups are in manzamine A?

Quiz: Carboline, macrocycle, amine, ether, alkene.

What functional groups are in myriocin?

Quiz: Amino acid, polyol, alkene, hydroxyl, carboxylic acid.

What functional groups are present in aflatoxin B1?

Quiz: Dihydrofurofuran, lactone, and cyclopentenone.

What functional groups are present in amoxicillin?

Quiz: β-Lactam, thiazolidine, phenol, primary amine.

What functional groups are present in amphidinolide T1?

Quiz: Macrocyclic lactone with tetrahydrofuran.

What functional groups are present in amphotericin B?

Quiz: Polyene macrolide with amino sugar and carboxyl.

What functional groups are present in anatoxin-a?

Quiz: Secondary amine and bicyclic ketone.

What functional groups are present in aplysiatoxin?

Quiz: Phenol, lactone, and polyol.

What functional groups are present in apratoxin A?

Quiz: Macrocyclic depsipeptide.

What functional groups are present in artemisinin?

Quiz: Endoperoxide bridge, lactone, and ether in sesquiterpene.

What functional groups are present in atorvastatin (Lipitor)?

Quiz: Pyrrole, fluorophenyl, amide, and dihydroxyheptanoic acid.

What functional groups are present in aurilide?

Quiz: 6/5/6 tricyclic macrolide.

What functional groups are present in axinellamine?

Quiz: Bis-guanidine with bicyclic ring.

What functional groups are present in azadirachtin?

Quiz: Enol ether, ester, hydroxyl, acetal, and furan ring.

What functional groups are present in barbamide?

Quiz: Polyketide with trichloromethyl group.

What functional groups are present in bioxalomycin a2?

Quiz: Anthraquinone and diazepane.

What functional groups are present in bortezomib?

Quiz: Boronic acid, pyrazine, and amide.

What functional groups are present in brevenal?

Quiz: Bicyclic ether, enol ether, and formate ester.

What functional groups are present in brevetoxin A?

Quiz: Polyether ladder with 11 trans-fused ether rings.

What functional groups are present in bryostatin 1?

Quiz: Macrolactone, pyran, allylic ester, and enone.

What functional groups are present in calicheamicin γ1?

Quiz: Enediyne, thioamide, trisulfide, and sugar.

What functional groups are present in callipeltoside?

Quiz: Macrocyclic glycoside with amino sugar.

What functional groups are present in calyculin?

Quiz: Amino acid, polyene, and phosphate.

What functional groups are present in camptothecin?

Quiz: Lactone, quinoline, pyridone, and α-hydroxylactone.

What functional groups are present in captopril?

Quiz: Thiol, carboxyl, and proline ring (ACE inhibitor).

What functional groups are present in carfilzomib?

Quiz: Epoxyketone, amide, and peptide.

What functional groups are present in celecoxib?

Quiz: Pyrazole, sulfonamide, and trifluoromethyl groups.

What functional groups are present in cephalotaxine?

Quiz: Benzazepine and spirocyclopentane.

What functional groups are present in chloroquine?

Quiz: Quinoline, dimethylamino, and chloro groups.

What functional groups are present in ciguatoxin CTX3C?

Quiz: Polyether ladder with terminal lactone.

What functional groups are present in ciprofloxacin?

Quiz: Fluoroquinolone with piperazine ring.

What functional groups are present in cisplatin coordination complex?

Quiz: Platinum with two ammonia and two chloride ligands.

What functional groups are present in clopidogrel (Plavix)?

Quiz: Thiophene, ester, and chlorophenyl groups.

What functional groups are present in codeine?

Quiz: Methyl ether (instead of phenol), tertiary amine, ether bridge.

What functional groups are present in cortisol?

Quiz: Ketone, three hydroxyl groups, and alkene in steroid.

What functional groups are present in cryptophycin?

Quiz: Macrocyclic depsipeptide with epoxide.

What functional groups are present in cyclosporine A?

Quiz: Macrocyclic peptide with 11 amino acids.

What functional groups are present in diazepam (Valium)?

Quiz: Benzodiazepine ring with chloro and methyl groups.

What functional groups are present in dictyostatin?

Quiz: Macrolide with 14-membered ring and polyol.

What functional groups are present in digitoxin?

Quiz: Cardiac glycoside with digitoxose sugars and lactone.

What functional groups are present in discodermolide?

Quiz: Lactone, hydroxyl, alkene, and methyl groups.

What functional groups are present in dolastatin 10?

Quiz: Peptide with unusual amino acids.

What functional groups are present in domoic acid?

Quiz: Kainoid with conjugated triene side chain.

What functional groups are present in doxorubicin?

Quiz: Anthracycline with amino sugar, hydroxyl, and quinone.

What functional groups are present in ecteinascidin-743?

Quiz: Tetrahydroisoquinoline and thioether.

What functional groups are present in ellipticine?

Quiz: Pyrido[4,3-b]carbazole ring system.

What functional groups are present in epothilone B?

Quiz: Lactone, hydroxyl, methylthiazole, and alkene.

What functional groups are present in estradiol?

Quiz: Phenolic A-ring and hydroxyl at C17.

What functional groups are present in ezetimibe (Zetia)?

Quiz: β-Lactam, hydroxyl, and fluorophenyl groups.

What functional groups are present in fexofenadine (Allegra)?

Quiz: Carboxyl, hydroxyl, piperidine, and diphenylmethyl.

What functional groups are present in fidaxomicin?

Quiz: Macrolactone and spiroketal.

What functional groups are present in fluoxetine (Prozac)?

Quiz: Trifluoromethylphenyl, phenoxy, and methylamine.

What functional groups are present in folic acid?

Quiz: Pteridine, p-aminobenzoic acid, and glutamic acid.

What functional groups are present in fumonisin B1?

Quiz: Aminopolyol with two tricarballylic acid esters.

What functional groups are present in galanthamine?

Quiz: Tertiary amine, ether bridge, and hydroxyl.

What functional groups are present in gymnodimine?

Quiz: Macrocyclic imine.

What functional groups are present in halichondrin B?

Quiz: Macrocyclic lactone, polyether, and ketal.

What functional groups are present in heroin?

Quiz: Diacetyl ester, tertiary amine, ether bridge.

What functional groups are present in homoharringtonine?

Quiz: Ester of cephalotaxine with amino acid.

What functional groups are present in ibuprofen sodium?

Quiz: Carboxylate salt and isobutylbenzene.

What functional groups are present in ircinal A?

Quiz: Aldehyde and macrocyclic amine.

What functional groups are present in ixazomib?

Quiz: Boronic acid, pyrazine, and amide.

What functional groups are present in jamaicamide?

Quiz: Polyketide with terminal alkyne and chloride.

What functional groups are present in jasplakinolide?

Quiz: Macrocyclic depsipeptide with bromoaryl group.

What functional groups are present in jorumycin?

Quiz: Anthraquinone and tetrahydroisoquinoline.

What functional groups are present in kainic acid?

Quiz: Pyrrolidine with carboxylic acid and isopropenyl.

What functional groups are present in kendomycin?

Quiz: Macrocyclic enol ether, hydroxyl, and arene.

What functional groups are present in lasonolide A?

Quiz: Macrolide with polyol and methyl branches.

What functional groups are present in leucamycin a3?

Quiz: Macrolactone and polyketide chain.

What functional groups are present in leucascandrolide A?

Quiz: Macrolide with tetrahydrofuran and polyol chain.

What functional groups are present in losartan?

Quiz: Tetrazole, imidazole, butyl chain, hydroxyl.

What functional groups are present in luminespib?

Quiz: Aminobenzamide and pyrazole.

What functional groups are present in lycorine?

Quiz: Amaryllidaceae alkaloid with diol and double bond.

What functional groups are present in lyngbyatoxin?

Quiz: Indole, amide, and aldehyde.

What functional groups are present in manzamine A?

Quiz: Pentacyclic alkaloid with β-carboline.

What functional groups are present in maytansine?

Quiz: Macrocyclic lactam, epoxide, and aryl chloride.

What functional groups are present in mefloquine?

Quiz: Quinoline with piperidine and trifluoromethyl.

What functional groups are present in metformin?

Quiz: Biguanide group (two guanidine units linked).

What functional groups are present in microcystin-LR?

Quiz: Cyclic heptapeptide with Adda amino acid.

What functional groups are present in montelukast (Singulair)?

Quiz: Thiol, quinoline, carboxyl, and cyclopropane.

What functional groups are present in morphine?

Quiz: Phenol, tertiary amine, ether bridge, allylic alcohol.

What functional groups are present in myriocin?

Quiz: Amino acid, hydroxyl, and long alkyl chain.

What functional groups are present in naphthyridinomycin?

Quiz: Epoxide, enamine, and diazepane.

What functional groups are present in naproxen?

Quiz: Naphthalene, carboxyl, and methoxy groups.

What functional groups are present in neopeltolide?

Quiz: Macrolide with oxazoline and polyol.

What functional groups are present in okadaic acid?

Quiz: Polyether with sulfate and carboxylic acid.

What functional groups are present in omeprazole?

Quiz: Benzimidazole, pyridine, sulfinyl group.

What functional groups are present in paclitaxel (Taxol)?

Quiz: Amide, ester, oxetane, hydroxyl, and benzamide groups.

What functional groups are present in palau'amine?

Quiz: Pyrrazinoisoindolone with cyclopentane.

What functional groups are present in pancratistatin?

Quiz: Phenanthridone with four hydroxyl groups.

What functional groups are present in pentamidine?

Quiz: Pentamidine has amidine groups connected by pentyloxy chain.

What functional groups are present in pinnatoxin A?

Quiz: Spirocyclic imine, macrolactone, and amine.

What functional groups are present in plerixafor?

Quiz: Two piperazine rings linked by diazaoctane.

What functional groups are present in progesterone?

Quiz: Two ketone groups and alkene in steroid.

What functional groups are present in pyridoxine (vitamin B6)?

Quiz: Pyridine ring, hydroxyl groups, and aminomethyl.

What functional groups are present in quinine?

Quiz: Quinoline, tertiary amine, hydroxyl, vinyl group.

What functional groups are present in quinocarcin?

Quiz: Quinone and tetrahydroisoquinoline.

What functional groups are present in rapamycin?

Quiz: Macrolactone, enone, indole, and pyran.

What functional groups are present in renieramycin T?

Quiz: Tetrahydroisoquinoline and diol.

What functional groups are present in reserpine alkaloid?

Quiz: Indole alkaloid with trimethoxybenzoate ester.

What functional groups are present in reserpine?

Quiz: Indole, methoxy groups, ester, and trimethoxybenzoate.

What functional groups are present in retinol (vitamin A)?

Quiz: Polyene chain with hydroxyl (primary alcohol).

What functional groups are present in riboflavin (vitamin B2)?

Quiz: Isoalloxazine ring (tricyclic) and ribitol side chain.

What functional groups are present in rifampin?

Quiz: Rifamycin macrocycle with hydroxyl, naphthoquinone, and piperazine.

What functional groups are present in rosiglitazone (Avandia)?

Quiz: Thiazolidinedione, pyridine, and aminopyridine.

What functional groups are present in ryanodine?

Quiz: Hydroxyl, ether, pyrrole, and conjugated ester.

What functional groups are present in saframycin A?

Quiz: Tetrahydroisoquinoline and quinone.

What functional groups are present in salinosporamide A?

Quiz: γ-Lactam and β-lactone warhead.

What functional groups are present in saxitoxin?

Quiz: Guanidinium, hydroxyl, and cyclic carbamate.

What functional groups are present in sertraline (Zoloft)?

Quiz: Naphthalene, dichlorophenyl, and methylamine.

What functional groups are present in sildenafil (Viagra)?

Quiz: Pyrazolopyrimidinone, piperazine, ethoxybenzenesulfonamide.

What functional groups are present in sildenafil citrate?

Quiz: Same as sildenafil with citric acid salt.

What functional groups are present in sildenafil in Viagra?

Quiz: Pyrazolopyrimidinone and piperazine ring system.

What functional groups are present in sphinxolide?

Quiz: Macrocyclic depsipeptide.

What functional groups are present in spongistatin 1?

Quiz: Macrocyclic lactone, spiroketal, and acetate.

What functional groups are present in staurosporine?

Quiz: Indolocarbazole, glycosidic bond, and lactam.

What functional groups are present in strychnine?

Quiz: Indole, bridged lactam, ether, and basic amine.

What functional groups are present in swinholide A?

Quiz: Dimeric macrolide with polyol chain.

What functional groups are present in tamoxifen?

Quiz: Triphenylethylene with dimethylaminoethoxy side chain.

What functional groups are present in tanespimycin?

Quiz: Resorcinol, amide, and sugar.

What functional groups are present in taxol?

Quiz: Amide, ester, hydroxyl, oxetane ring, and benzamide.

What functional groups are present in telithromycin?

Quiz: Ketolide with carbamate and aryl group.

What functional groups are present in testosterone?

Quiz: Ketone, hydroxyl, and alkene in steroid skeleton.

What functional groups are present in tetrandrine?

Quiz: Bisbenzylisoquinoline with two methoxy groups.

What functional groups are present in tetrodotoxin?

Quiz: Guanidinium and hemiacetal.

What functional groups are present in thapsigargin?

Quiz: Ester, ether, hydroxyl, and α,β-unsaturated lactone.

What functional groups are present in thiamine (vitamin B1)?

Quiz: Pyrimidine, thiazolium ring, hydroxyl, and amino groups.

What functional groups are present in tocopherol (vitamin E)?

Quiz: Chroman ring with hydroxyl (phenolic) and phytyl chain.

What functional groups are present in trabectedin?

Quiz: Tetrahydroisoquinoline, quinone, and lactone.

What functional groups are present in tulathromycin?

Quiz: Macrolactone with three amine groups.

What functional groups are present in tylosin?

Quiz: Macrolactone, aldehyde, and sugar.

What functional groups are present in ulapualide A?

Quiz: Macrocyclic tris-oxazole.

What functional groups are present in vancomycin?

Quiz: Glycopeptide with chlorinated biphenyl, sugar, and carboxyl.

What functional groups are present in vinblastine?

Quiz: Indole, dihydroindole, ester, and basic nitrogen.

What functional groups are present in vincristine?

Quiz: Indole with formyl group replacing N-methyl.

What functional groups are present in warfarin?

Quiz: Coumarin ring with benzylketone side chain.

What functional groups are present in wortmannin?

Quiz: Furan, quinone, and ester.

What functional groups are present in xestospongin C?

Quiz: Macrocyclic bis-1-oxaquinolizidine.

What functional groups are present in yohimbine?

Quiz: Indole, ester, hydroxyl, and piperidine.

What functional groups are present in zoanthenol?

Quiz: Phenol, ether, and amine.

What functional groups exist in bryostatin 7?

Quiz: Macrolide, pyran, enone, ester, lactone.

What functional groups exist in discodermolide?

Quiz: Macrolide, polyol, alkene, lactone, hydroxyl.

What heterocycles are present in quinine?

Quiz: Quinoline, quinuclidine.

What heterocyclic groups are in platensimycin?

Quiz: Ketoamide, cyclohexenone, furan, pyran.

What IR absorption confirms the beta-lactam in penicillin?

Quiz: C=O stretch at 1770 cm-1.

What IR absorption confirms the peroxide in artemisinin?

Quiz: O-O stretch at 800-850 cm-1.

What IR absorption confirms the phosphonate in fosphenytoin?

Quiz: P=O stretch at 1200-1250 cm-1.

What IR absorption identifies the sulfate in mycosamine?

Quiz: S=O stretch at 1200-1250 cm-1.

What IR absorption indicates a carboxylic acid?

Quiz: Broad O-H stretch at 2500-3300 cm⁻¹ and C=O stretch at 1710 cm⁻¹.

What IR absorption indicates a ketone?

Quiz: Strong C=O stretch at 1715 cm⁻¹.

What IR absorption indicates a nitrile?

Quiz: Sharp C≡N stretch at 2210-2260 cm⁻¹.

What IR absorption indicates a nitro group?

Quiz: N-O stretches at 1530 and 1350 cm⁻¹.

What IR absorption indicates an alcohol?

Quiz: Broad O-H stretch at 3200-3600 cm⁻¹.

What IR absorption indicates an aldehyde?

Quiz: C=O stretch at 1725 cm⁻¹ and Fermi doublet C-H stretches at 2720 and 2820 cm⁻¹.

What IR absorption indicates an alkene?

Quiz: C=C stretch at 1620-1680 cm⁻¹; sp² C-H stretch above 3000 cm⁻¹.

What IR absorption indicates an alkyne?

Quiz: Sharp C≡C stretch at 2100-2260 cm⁻¹; terminal C-H at 3300 cm⁻¹.

What IR absorption indicates an amide?

Quiz: C=O stretch (amide I) at 1630-1690 cm⁻¹ and N-H bend (amide II) at 1550-1640 cm⁻¹.

What IR absorption indicates an amine?

Quiz: N-H stretches at 3300-3500 cm⁻¹ (two bands for primary, one for secondary).

What IR absorption indicates an ester?

Quiz: Strong C=O stretch at 1735-1750 cm⁻¹.

What IR absorption indicates an ether?

Quiz: C-O-C asymmetric stretch at 1050-1150 cm⁻¹.

What IR absorption indicates the enol ether in azadirachtin?

Quiz: C=C stretch at 1640 cm-1 and C-O stretch at 1200 cm-1.

What IR band confirms the carboxylic acid in captopril?

Quiz: O-H stretch at 2500-3300 cm-1 and C=O at 1710 cm-1.

What IR band confirms the isonitrile in xanthocillin?

Quiz: C triple bond N stretch at 2130 cm-1.

What is a chiral auxiliary?

Quiz: Temporarily attached chiral group that directs stereochemistry.

What is a chiral resolving agent?

Quiz: Enantiopure compound that forms diastereomeric salts for separation.

What is a matched pair in asymmetric synthesis?

Quiz: Substrate and catalyst chirality that reinforce each other.

What is a meso compound?

Quiz: A molecule with stereocenters that is achiral due to an internal plane of symmetry.

What is a mismatched pair in asymmetric synthesis?

Quiz: Substrate and catalyst chirality that oppose each other.

What is a planar chiral compound?

Quiz: Compound with chirality arising from facial differentiation of a plane.

What is A(1,3) strain?

Quiz: Steric strain between axial substituent and allylic hydrogen.

What is asymmetric induction?

Quiz: Stereocontrol at a new stereocenter by an existing one.

What is atropisomerism?

Quiz: Stereoisomerism due to restricted rotation about a single bond.

What is dynamic kinetic resolution?

Quiz: Racemization occurs faster than reaction, giving single product enantiomer.

What is facial selectivity?

Quiz: Preference for reaction on one face of a prochiral center.

What is helical chirality?

Quiz: Chirality from a helical arrangement of groups (e.g., helicenes).

What is kinetic resolution?

Quiz: Selective reaction of one enantiomer leaving the other unreacted.

What is Markovnikov's rule?

Quiz: Markovnikov's rule predicts H adds to the less substituted carbon in alkene addition.

What is optical activity?

Quiz: Ability of a chiral compound to rotate plane-polarized light.

What is reagent-controlled asymmetric synthesis?

Quiz: Chiral reagent or catalyst controls stereochemical outcome.

What is Saytzeff's rule?

Quiz: Saytzeff's rule predicts the more substituted alkene as the major elimination product.

What is specific rotation?

Quiz: Normalized optical rotation per unit concentration and path length.

What is substrate-controlled asymmetric synthesis?

Quiz: Existing stereocenter in substrate controls new stereocenter.

What is the 1,3-allylic strain model?

Quiz: Steric interaction controlling conformation of allylic systems.

What is the acromelic acid A structure?

Quiz: Kainoid with 4-isoxazolyl substituent.

What is the aflatoxin B1 bioactivation?

Quiz: Epoxidation of the double bond by CYP450.

What is the akagerine structure?

Quiz: Tetracyclic indole alkaloid.

What is the amphidinolide T1 macrocycle?

Quiz: 12-membered macrolide from dinoflagellate.

What is the amphidinolide T1 structure?

Quiz: Macrocyclic lactone with tetrahydrofuran.

What is the anatoxin-a pharmacological target?

Quiz: Nicotinic acetylcholine receptor agonist.

What is the anomeric effect?

Quiz: Preference for axial substituent at anomeric carbon of pyranose rings.

What is the aplysiatoxin mechanism of action?

Quiz: Protein kinase C activator.

What is the aplysinopsin mechanism?

Quiz: Melatonin receptor modulator.

What is the aplysinopsin structure?

Quiz: 2-aminoimidazole from marine sponge.

What is the apratoxin A mechanism?

Quiz: Inhibits cotranslational protein translocation.

What is the apratoxin A structure?

Quiz: Cyclic depsipeptide with unique N-methyl amino acids.

What is the aurilide structure?

Quiz: 6/5/6 tricyclic macrolide from Dolabella.

What is the auristatin mechanism?

Quiz: Tubulin-binding antimitotic agent.

What is the auristatin structure?

Quiz: Synthetic analog of dolastatin 10.

What is the axinellamine core?

Quiz: Bis-guanidine alkaloid with bicyclic ring system.

What is the axinellamine structure?

Quiz: Bis-guanidine alkaloid from Axinella.

What is the barbamide A mechanism?

Quiz: Ichthyotoxic natural product.

What is the barbamide biosynthetic pathway?

Quiz: Polyketide synthase incorporating trichloroleucine.

What is the barbamide structure?

Quiz: Polyketide with trichloroleucine.

What is the Beckwith-Dowd model?

Quiz: Ring strain effects on radical cyclization stereochemistry.

What is the bioxalomycin a2 mechanism?

Quiz: DNA cleaving agent.

What is the bioxalomycin core structure?

Quiz: Anthraquinone fused to diazepane ring system.

What is the bortezomib mechanism?

Quiz: Reversible proteasome inhibitor (boronic acid warhead).

What is the brevenal pharmacological target?

Quiz: Brevetoxin receptor antagonist.

What is the brevetoxin A structure?

Quiz: Ladder polyether with 11 fused ether rings.

What is the calicheamicin warhead?

Quiz: Enediyne that undergoes Bergman cyclization.

What is the callipeltoside structure?

Quiz: Macrocyclic glycoside with amino sugar.

What is the calyculin mechanism of action?

Quiz: Protein phosphatase 1 and 2A inhibitor.

What is the camptothecin mechanism?

Quiz: Topoisomerase I-DNA cleavable complex stabilization.

What is the carfilzomib mechanism?

Quiz: Irreversible proteasome inhibitor (epoxyketone warhead).

What is the cemadotin structure?

Quiz: Dolastatin analog with water solubility.

What is the cephalotaxine ester mechanism?

Quiz: Oligomeric esters inhibit protein synthesis.

What is the chimonanthine core?

Quiz: Pyrroloindoline dimer.

What is the chimonanthine structure?

Quiz: Pyrroloindoline dimer.

What is the chiral center count in callipeltoside?

Quiz: 9 stereocenters including the cyclopropane.

What is the chiral center count in diazonamide A?

Quiz: 8 stereocenters in the biaryl system.

What is the chiral center count in vincristine?

Quiz: 9 stereocenters across the bis-indole system.

What is the ciguatoxin pharmacophore?

Quiz: Ladder polyether that activates sodium channels.

What is the concept of double asymmetric synthesis?

Quiz: Matching/mismatching of substrate and reagent chirality for amplification.

What is the condyfoline structure?

Quiz: Strychnos alkaloid with ethyl side chain.

What is the core structure of epothilone B?

Quiz: 16-membered macrolide with methylthiazole side chain.

What is the Cram chelate model?

Quiz: Chelation-controlled addition to α-alkoxy carbonyls.

What is the crinine skeleton?

Quiz: 5,10b-ethanophenanthridine alkaloid core.

What is the cryptophycin mechanism?

Quiz: Tubulin inhibitor with microtubule destabilization.

What is the cryptophycin structure?

Quiz: Depsipeptide with δ-hydroxy acid.

What is the Curtin-Hammett condition?

Quiz: When interconversion of conformers is faster than product formation.

What is the Curtin-Hammett principle?

Quiz: Product ratio depends on transition state energies, not intermediate conformer populations.

What is the cyclosporine A mechanism?

Quiz: Calcineurin inhibition via cyclophilin complex.

What is the delanzomib mechanism?

Quiz: Proteasome inhibitor with pyrazine pharmacophore.

What is the dictyostatin mechanism?

Quiz: Tubulin-binding macrolide.

What is the dictyostatin stereochemistry?

Quiz: 14-membered macrolide with six stereocenters.

What is the difference between E and Z isomers?

Quiz: E isomers have higher priority groups on opposite sides; Z has them on the same side.

What is the difference between enantiomers and diastereomers?

Quiz: Enantiomers are mirror images; diastereomers are stereoisomers that are not mirror images.

What is the dioxamycin structure?

Quiz: Macrocyclic bis-dioxopiperazine.

What is the dolasamine structure?

Quiz: Brominated pyrrolidine iminosugar.

What is the dolastatin 10 mechanism?

Quiz: Tubulin polymerization inhibitor.

What is the dolastatin 10 structure?

Quiz: Pentapeptide with unique amino acids.

What is the domoic acid structure?

Quiz: Kainoid amino acid with conjugated triene side chain.

What is the domoic acid total synthesis key step?

Quiz: Suzuki coupling of the triene side chain.

What is the dragmacidin D structure?

Quiz: Bis-indole alkaloid with imidazole ring.

What is the ecteinascidin core structure?

Quiz: Tetrahydroisoquinoline alkaloid with pentacyclic framework.

What is the ecteinascidin-743 mechanism?

Quiz: DNA minor groove binder with unique N-C bond formation.

What is the ellipticine mechanism?

Quiz: Intercalation into DNA and topoisomerase II inhibition.

What is the endo rule in Diels-Alder?

Quiz: Kinetically favored product has dienophile substituent endo to diene bridge.

What is the endo/exo selectivity?

Quiz: Preference for substituent placement relative to bridge in bicyclic systems.

What is the ER-344107 structure?

Quiz: Modified dolastatin with different C-terminal.

What is the Evans syn-aldol selectivity?

Quiz: Oxazolidinone auxiliaries give syn-aldol with predictable stereochemistry.

What is the Felkin-Anh model?

Quiz: Predicts diastereoselectivity of nucleophilic addition to α-chiral carbonyls.

What is the fidaxomicin mechanism?

Quiz: RNA polymerase inhibitor (narrow-spectrum macrolide).

What is the fidaxomicin unique property?

Quiz: Narrow-spectrum macrolide with minimal resistance.

What is the flustramine biosynthesis?

Quiz: Pyrroloindoline from bromotryptamine.

What is the flustramine structure?

Quiz: Pyrroloindoline from marine bryozoan.

What is the fumonisin B1 structure?

Quiz: Aminopolyol with two tricarballylic acid esters.

What is the galanthamine structure?

Quiz: Tetracyclic Amaryllidaceae alkaloid.

What is the geodin A structure?

Quiz: Polyketide with tetrahydrofuran.

What is the gephyrotoxin alkaloid structure?

Quiz: 225-epi-263-deoxygephyrotoxin with piperidine ring.

What is the goniomitine structure?

Quiz: Aspidosperma-type indole alkaloid.

What is the gymnodimine structure?

Quiz: Macrocyclic imine with spirotetronate.

What is the hodgkinsine mechanism?

Quiz: Opioid receptor agonist trimer.

What is the hodgkinsine opioid activity?

Quiz: Trimeric pyrroloindoline at μ-opioid receptor.

What is the hodgkinsine structure?

Quiz: Trimeric pyrroloindoline alkaloid.

What is the homoharringtonine mechanism?

Quiz: Inhibits translation initiation by binding ribosomal A-site.

What is the hybridization of nitrogen in ammonia?

Quiz: Nitrogen in ammonia is sp3 hybridized with one lone pair.

What is the hybridization of the carbon in formaldehyde?

Quiz: The carbonyl carbon in formaldehyde is sp2 hybridized.

What is the hybridization of the carbonyl carbon in formaldehyde?

Quiz: The carbonyl carbon in formaldehyde is sp2 hybridized.

What is the ircinal A structure?

Quiz: Macrocyclic aldehyde from Manzamine pathway.

What is the IUPAC name of CH3CH(OH)CH3?

Quiz: The IUPAC name is propan-2-ol or isopropanol.

What is the IUPAC name of CH3CH2CH(OH)CH3?

Quiz: The IUPAC name is butan-2-ol.

What is the ixazomib mechanism?

Quiz: Oral reversible proteasome inhibitor.

What is the jamaicamide A biosynthesis?

Quiz: Polyketide synthase hybrid with halogenase.

What is the jamaicamide structure?

Quiz: Polyketide-peptide hybrid with terminal alkyne.

What is the jasplakinolide mechanism?

Quiz: Stabilizes F-actin filaments.

What is the jasplakinolide pharmacophore?

Quiz: Macrocyclic depsipeptide with brominated amino acid.

What is the jorumycin mechanism of action?

Quiz: DNA cross-linking agent via iminium ion formation.

What is the kabiramide C structure?

Quiz: Macrocyclic polyketide.

What is the kainic acid structure?

Quiz: Pyrrolidine dicarboxylic acid glutamate analog.

What is the kendomycin macrocyclization strategy?

Quiz: Ring-closing metathesis or intramolecular alkylation.

What is the keramamide F structure?

Quiz: Cyclic peptide with unique amino acids.

What is the keramaphidin B biosynthetic origin?

Quiz: Mannich-type cyclization from ircinal and amine.

What is the keramaphidin B structure?

Quiz: Macrocycle from Manzamine biosynthesis.

What is the key fragment coupling in discodermolide synthesis?

Quiz: Suzuki coupling or Nozaki-Hiyama-Kishi of vinyl iodide.

What is the key intermediate in the aldol condensation?

Quiz: Enolate anion or enol.

What is the key intermediate in the Baeyer-Villiger oxidation?

Quiz: Criegee peroxyhemiacetal before migration.

What is the key intermediate in the Bamford-Stevens reaction?

Quiz: Carbene from tosylhydrazone salt.

What is the key intermediate in the Barton reaction?

Quiz: Alkoxy radical from photolysis of nitrite ester.

What is the key intermediate in the Baylis-Hillman reaction?

Quiz: DABCO-derived enolate.

What is the key intermediate in the Beckmann rearrangement?

Quiz: Nitrilium ion from anti-1,2-migration.

What is the key intermediate in the Buchner reaction?

Quiz: Carbene addition to arene giving norcaradiene.

What is the key intermediate in the Buchwald-Hartwig amination?

Quiz: Pd(II) amido complex before reductive elimination.

What is the key intermediate in the Chugaev elimination?

Quiz: Xanthate ester syn-elimination.

What is the key intermediate in the Claisen condensation?

Quiz: Enolate of ester attacking another ester carbonyl.

What is the key intermediate in the Claisen rearrangement?

Quiz: Six-membered chair transition state with [3,3]-shift.

What is the key intermediate in the Cope elimination?

Quiz: Amine oxide undergoing syn-Ei elimination.

What is the key intermediate in the Cope rearrangement?

Quiz: Six-membered chair-like transition state.

What is the key intermediate in the Corey-Chaykovsky reaction?

Quiz: Sulfur ylide (dimethylsulfonium methylide).

What is the key intermediate in the Curtius rearrangement?

Quiz: Acyl nitrene that rearranges to isocyanate.

What is the key intermediate in the Dakin oxidation?

Quiz: Hydroperoxide hemiacetal.

What is the key intermediate in the Diels-Alder reaction?

Quiz: Concerted transition state (no discrete intermediate).

What is the key intermediate in the Eschenmoser-Claisen?

Quiz: Ketene N,O-acetal from allylic alcohol.

What is the key intermediate in the Favorskii rearrangement?

Quiz: Cyclopropanone from α-haloketone.

What is the key intermediate in the Fischer esterification?

Quiz: Protonated carboxylic acid followed by tetrahedral intermediate.

What is the key intermediate in the Grignard reaction?

Quiz: Alkoxide magnesium salt.

What is the key intermediate in the Grob fragmentation?

Quiz: Antiperiplanar C-C bond cleavage.

What is the key intermediate in the Hofmann rearrangement?

Quiz: N-Bromoamide anion (acyl nitrene equivalent).

What is the key intermediate in the Horner-Wadsworth-Emmons reaction?

Quiz: Phosphonate-stabilized carbanion (oxaphosphetane).

What is the key intermediate in the Hunsdiecker reaction?

Quiz: Acyl hypobromite radical.

What is the key intermediate in the Johnson-Claisen?

Quiz: Orthoester-derived ketene acetal.

What is the key intermediate in the Lossen rearrangement?

Quiz: Isocyanate from hydroxamic acid.

What is the key intermediate in the Mannich reaction?

Quiz: Iminium ion from amine and aldehyde.

What is the key intermediate in the Michael addition?

Quiz: Stabilized enolate from 1,4-conjugate addition.

What is the key intermediate in the Nazarov cyclization?

Quiz: Oxypentadienyl cation (pentadienyl cation).

What is the key intermediate in the Neber rearrangement?

Quiz: Azirinone ring from oxime tosylate.

What is the key intermediate in the Overman rearrangement?

Quiz: Trichloroacetimidate [3,3]-shift.

What is the key intermediate in the pinacol rearrangement of pinacol?

Quiz: Tertiary carbocation from 1,2-methyl shift.

What is the key intermediate in the pinacol rearrangement?

Quiz: Carbocation after loss of water from protonated diol.

What is the key intermediate in the Pummerer rearrangement?

Quiz: Sulfonium ion from activated sulfoxide.

What is the key intermediate in the Ramberg-Bäcklund reaction?

Quiz: Episulfone (thiirane S,S-dioxide).

What is the key intermediate in the Reformatsky reaction?

Quiz: Zinc enolate from α-halo ester.

What is the key intermediate in the Reimer-Tiemann reaction?

Quiz: Dichlorocarbene (:CCl2).

What is the key intermediate in the Robinson annulation?

Quiz: Michael adduct followed by intramolecular aldol.

What is the key intermediate in the Sandmeyer reaction?

Quiz: Arenediazonium copper complex.

What is the key intermediate in the Schmidt reaction?

Quiz: Protonated iminodiazonium species.

What is the key intermediate in the Shapiro reaction?

Quiz: Vinyl lithium from tosylhydrazone dianion.

What is the key intermediate in the Sonogashira coupling?

Quiz: Copper(I) acetylide in CuI cycle.

What is the key intermediate in the Stetter reaction?

Quiz: Breslow intermediate (NHC-bound enolate).

What is the key intermediate in the Stevens rearrangement?

Quiz: Ammonium ylide from quaternary ammonium salt.

What is the key intermediate in the Swern oxidation?

Quiz: Alkoxysulfonium ion from DMSO activation.

What is the key intermediate in the Tsuji-Trost reaction?

Quiz: Pd-π-allyl complex.

What is the key intermediate in the Wagner-Meerwein rearrangement?

Quiz: Rearranged carbocation from 1,2-shift.

What is the key intermediate in the Wittig reaction?

Quiz: Oxaphosphetane (four-membered P-O-C-C ring).

What is the key intermediate in the Wolff rearrangement?

Quiz: Carbene that rearranges to ketene.

What is the key macrocyclization in bryostatin synthesis?

Quiz: Yamaguchi macrolactonization or Keck macrocycle formation.

What is the key macrocyclization in kendomycin synthesis?

Quiz: Olefin metathesis or intramolecular alkylation.

What is the key macrocyclization in ryanodine synthesis?

Quiz: Intramolecular Heck reaction to form the pentacyclic ring system.

What is the key retrosynthetic disconnection in azadirachtin synthesis?

Quiz: Corey used an intramolecular Diels-Alder to form the decalin core.

What is the key step in azadirachtin total synthesis?

Quiz: Intramolecular Diels-Alder by Corey.

What is the key step in calyculin synthesis?

Quiz: Macrolactonization and Stille coupling.

What is the key step in halichondrin B total synthesis?

Quiz: Macrocyclic ketal formation and Petasis-Ferrier rearrangement.

What is the key step in lyngbyatoxin synthesis?

Quiz: Macrocyclic ring closure via lactam bond formation.

What is the key step in manzamine A synthesis?

Quiz: Intramolecular aza-Diels-Alder for the pentacyclic core.

What is the key step in nakadomarine synthesis?

Quiz: Intramolecular Diels-Alder of triene.

What is the key step in saxitoxin synthesis?

Quiz: Guanidine ring formation and dihydroxylation.

What is the key step in staurosporine synthesis?

Quiz: Indolocarbazole formation via Fischer indolization.

What is the key step in trabectedin synthesis?

Quiz: Pictet-Spengler cyclization and macrocyclization.

What is the key step in yohimbine total synthesis?

Quiz: Pictet-Spengler cyclization of tryptamine derivative.

What is the key step in zoanthenol synthesis?

Quiz: Gold-catalyzed cyclization to form the tetracyclic core.

What is the Kishi empirical rule?

Quiz: 1,2-cis selectivity in polyol synthesis.

What is the lasonolide A mechanism?

Quiz: Actin-binding macrolide.

What is the lasonolide A structure?

Quiz: 20-membered macrolide with polyol chain.

What is the leucamycin a3 mechanism?

Quiz: Macrolide that inhibits bacterial protein synthesis.

What is the leucamycin structure?

Quiz: Macrolide antibiotic with 16-membered ring.

What is the leucascandrolide A macrocycle?

Quiz: 14-membered macrolide with C2-C14 polyol.

What is the luminespib mechanism?

Quiz: Hsp90 inhibitor with aminobenzamide.

What is the lycodine structure?

Quiz: Lycodine is a quinolizidine alkaloid with pyridine ring.

What is the lycorine mechanism of action?

Quiz: Inhibits protein synthesis by blocking ribosomal translocation.

What is the lyngbyabellin structure?

Quiz: Macrocyclic lipopeptide with β-hydroxy acid.

What is the lyngbyaloside B structure?

Quiz: Macrocyclic glycoside.

What is the lyngbyatoxin mechanism of action?

Quiz: Potent protein kinase C activator.

What is the madangamine alkaloid structure?

Quiz: Macrocyclic bis-3-alkylpiperidine.

What is the major product of toluene nitration?

Quiz: Nitration of toluene gives mainly ortho and para-nitrotoluene due to the activating methyl group.

What is the manzamine A structure?

Quiz: Complex pentacyclic alkaloid with β-carboline.

What is the Masamune-Roush conditions for HWE?

Quiz: Lithium salt conditions for E-selective olefination.

What is the maytansine pharmacophore?

Quiz: Macrocyclic lactam with ansa bridge and epoxide.

What is the mechanism of aplysinopsin melatonin modulation?

Quiz: 2-Aminoimidazole acts at melatonin receptors.

What is the mechanism of apratoxin A protein translocation inhibition?

Quiz: Blocks Sec61 translocon.

What is the mechanism of bortezomib proteasome inhibition?

Quiz: Boronic acid forms reversible adduct with threonine.

What is the mechanism of carfilzomib proteasome inhibition?

Quiz: Epoxyketone forms irreversible adduct with N-terminal threonine.

What is the mechanism of cryptophycin tubulin inhibition?

Quiz: Microtubule destabilization via tubulin binding.

What is the mechanism of dolastatin 10 tubulin inhibition?

Quiz: Vinca domain binding prevents microtubule assembly.

What is the mechanism of dragmacidin D kinase inhibition?

Quiz: Bis-indole imidazole inhibits phosphatases.

What is the mechanism of fidaxomicin RNA polymerase inhibition?

Quiz: Macrolide binds RNA polymerase clamp domain.

What is the mechanism of jasplakinolide actin stabilization?

Quiz: Binds F-actin and prevents depolymerization.

What is the mechanism of jorumycin DNA cross-linking?

Quiz: Iminium ion cross-links DNA strands.

What is the mechanism of kendomycin endothelin receptor antagonism?

Quiz: Macrocyclic enol ether binds ET-A receptor.

What is the mechanism of leucamycin protein synthesis inhibition?

Quiz: Macrolide binds 50S ribosome.

What is the mechanism of oroidin antimicrobial activity?

Quiz: 2-Aminoimidazole disrupts biofilm formation.

What is the mechanism of plerixafor CXCR4 antagonism?

Quiz: Bicyclam chelates zinc in CXCR4 binding site.

What is the mechanism of tanespimycin Hsp90 inhibition?

Quiz: Resorcinol binds Hsp90 ATP-binding pocket.

What is the mechanism of the anatoxin-a nicotinic agonism?

Quiz: Bicyclic amine binds nicotinic acetylcholine receptor.

What is the mechanism of the aplysiatoxin PKC activation?

Quiz: Polyketide activates protein kinase C.

What is the mechanism of the Appel reaction?

Quiz: Oxygen of alcohol attacks triphenylphosphine, chloride displaces to give alkyl chloride.

What is the mechanism of the Atwal modification of the Hantzsch?

Quiz: β-Ketoester and enamine in one pot.

What is the mechanism of the aurilide cytotoxicity?

Quiz: Macrolide disrupts cytoskeletal organization.

What is the mechanism of the azadirachtin Diels-Alder key step?

Quiz: Intramolecular Diels-Alder forming the ABC ring system.

What is the mechanism of the Bamford-Stevens reaction?

Quiz: Tosylhydrazone treated with base gives carbene/alkene.

What is the mechanism of the Barbier reaction?

Quiz: In situ formation of organometallic with aldehyde.

What is the mechanism of the Barton reaction?

Quiz: Homolytic cleavage of nitrite ester gives δ-nitroso alcohol.

What is the mechanism of the Barton-McCombie deoxygenation?

Quiz: Xanthate radical decomposition gives alkyl radical, then H-atom abstraction.

What is the mechanism of the Bergman cyclization?

Quiz: Enediyne undergoes thermal cyclization to 1,4-benzyne diradical.

What is the mechanism of the Biginelli reaction?

Quiz: Aldehyde, urea, and β-ketoester form dihydropyrimidinone.

What is the mechanism of the bioxalomycin DNA cleavage?

Quiz: Enediyne-like cyclization.

What is the mechanism of the Bischler-Napieralski reaction?

Quiz: Phosphorus oxychloride-mediated cyclization of beta-phenylethylamide.

What is the mechanism of the Blaise reaction?

Quiz: Zinc-mediated addition of bromoester to nitrile.

What is the mechanism of the Buchner reaction?

Quiz: Carbene adds to benzene giving cycloheptatriene.

What is the mechanism of the Burgess reagent dehydration?

Quiz: Intramolecular syn-elimination of alcohol to form alkene.

What is the mechanism of the calyculin phosphatase inhibition?

Quiz: Polyene phosphate inhibits PP1 and PP2A.

What is the mechanism of the Camps quinoline synthesis?

Quiz: 2-Acylaminobenzophenone cyclization.

What is the mechanism of the Cannizzaro-Tishchenko reaction?

Quiz: Crossed hydride transfer between aldehyde and ester.

What is the mechanism of the Chichibabin amination?

Quiz: Nucleophilic addition of amide to pyridine.

What is the mechanism of the chimonanthine dimerization?

Quiz: Radical coupling of pyrroloindoline monomers.

What is the mechanism of the Chugaev elimination?

Quiz: Xanthate ester undergoes syn-elimination upon heating.

What is the mechanism of the Combes quinoline synthesis?

Quiz: Aniline and β-diketone form quinoline.

What is the mechanism of the Cope elimination?

Quiz: Amine N-oxide undergoes syn-elimination (concerted Ei).

What is the mechanism of the Corey-Bakshi-Shibata reduction?

Quiz: Chiral oxazaborolidine delivers hydride from borane to ketone enantioselectively.

What is the mechanism of the Corey-Chaykovsky reaction?

Quiz: Sulfur ylide adds to carbonyl forming epoxide.

What is the mechanism of the Corey-Fuchs reaction?

Quiz: CBr4/PPh3 gives dibromoolefination, then double elimination to alkyne.

What is the mechanism of the Corey-Winter olefination?

Quiz: Syn-elimination of cyclic thiocarbonate.

What is the mechanism of the Corey-Winter reaction?

Quiz: Thiocarbonate undergoes syn-elimination to give cis-alkene.

What is the mechanism of the Dakin oxidation?

Quiz: Base-catalyzed rearrangement of aryl aldehyde with H2O2 to phenol.

What is the mechanism of the Danheiser annulation?

Quiz: Cyclopropane ring opening followed by cycloaddition.

What is the mechanism of the Danheiser benzannulation?

Quiz: Cyclopropane ring opening gives 1,3-diene for cycloaddition.

What is the mechanism of the Darzens glycidic ester condensation?

Quiz: α-Haloester and carbonyl form epoxide.

What is the mechanism of the dictyostatin tubulin binding?

Quiz: Macrolide binds tubulin at vinca site.

What is the mechanism of the Doebner modification of Knoevenagel?

Quiz: Condensation followed by decarboxylation gives unsaturated acid.

What is the mechanism of the Doebner-von Miller quinoline?

Quiz: Aniline and α,β-unsaturated carbonyl.

What is the mechanism of the ecteinascidin Pictet-Spengler?

Quiz: Mannich-type cyclization to tetrahydroisoquinoline.

What is the mechanism of the Eschenmoser-Tanabe fragmentation?

Quiz: α,β-Epoxy ketone cleaves to alkynyl ketone.

What is the mechanism of the Evans aldol in bryostatin synthesis?

Quiz: Boron enolate of propionate adds to aldehyde with syn selectivity.

What is the mechanism of the Evans-Tishchenko reduction?

Quiz: SmI2-mediated reduction with aldehyde as hydride donor.

What is the mechanism of the Favorskii rearrangement?

Quiz: Cyclopropanone intermediate from α-haloketone, nucleophilic ring opening.

What is the mechanism of the Fischer indole synthesis?

Quiz: Acid-catalyzed [3,3]-sigmatropic rearrangement of aryl hydrazone.

What is the mechanism of the Friedländer quinoline synthesis?

Quiz: 2-Aminobenzaldehyde and α-methylene ketone.

What is the mechanism of the Giese radical addition?

Quiz: Carbon-centered radical adds to electron-deficient alkene.

What is the mechanism of the Grieco three-component condensation?

Quiz: One-pot imine formation and nucleophilic addition.

What is the mechanism of the Grieco three-component reaction?

Quiz: Benzaldehyde, amine, and phenylselenol give selenide.

What is the mechanism of the Grob fragmentation?

Quiz: Heterolytic C-C bond cleavage assisted by antiperiplanar leaving group.

What is the mechanism of the gymnodimine imine hydrolysis?

Quiz: pH-dependent ring opening of macrocyclic imine.

What is the mechanism of the Hantzsch pyridine synthesis?

Quiz: Two β-ketoesters, aldehyde, and ammonia form dihydropyridine.

What is the mechanism of the Hauser annulation?

Quiz: Phthalide dianion adds to Michael acceptor.

What is the mechanism of the Hauser-Kraus annulation?

Quiz: Michael addition and aldol condensation of thioester.

What is the mechanism of the Heck-Heck reaction?

Quiz: Double Heck cascade for polycyclic systems.

What is the mechanism of the Hofmann degradation of amides?

Quiz: Bromination, base treatment, anti-migration to nitrogen gives amine.

What is the mechanism of the Hofmann exhaustive methylation?

Quiz: Quaternary ammonium hydroxide eliminates to least substituted alkene.

What is the mechanism of the Hunsdiecker reaction?

Quiz: Radical decarboxylation of silver carboxylate with bromine.

What is the mechanism of the intramolecular aldol in ginkgolide synthesis?

Quiz: Enolate cyclization forms hexacyclic cage structure.

What is the mechanism of the intramolecular amidyl radical cyclization?

Quiz: Aminyl radical adds to alkene forming pyrrolidine ring.

What is the mechanism of the intramolecular Michael addition?

Quiz: Enolate cyclization forms ring system.

What is the mechanism of the intramolecular oxidative phenolic coupling?

Quiz: Phenol oxidation generates biaryl linkage.

What is the mechanism of the Jacobsen hydrolytic kinetic resolution?

Quiz: Co-salen catalyst selectively hydrolyzes one enantiomer.

What is the mechanism of the jamaicamide sodium channel block?

Quiz: Polyketide blocks voltage-gated sodium channels.

What is the mechanism of the Johnson-Claisen rearrangement?

Quiz: Orthoester Claisen with acid catalysis to form gamma,delta-unsaturated ester.

What is the mechanism of the Julia-Kocienski olefination?

Quiz: Sulfone-alkene formation via Smiles rearrangement.

What is the mechanism of the Knoevenagel-Doebner modification?

Quiz: Condensation with malonic acid followed by decarboxylation.

What is the mechanism of the Knoevenagel-Doebner?

Quiz: Base-catalyzed condensation-decarboxylation sequence.

What is the mechanism of the Kobayashi hydrindane synthesis?

Quiz: Intramolecular Diels-Alder with silicon tether.

What is the mechanism of the Kochi reaction?

Quiz: Radical decarboxylation of lead tetraacetate carboxylate complex.

What is the mechanism of the Kröhnke pyridine synthesis?

Quiz: α,β-Unsaturated ketone and pyridinium salt.

What is the mechanism of the Kumada coupling?

Quiz: Ni or Pd catalyzes Grignard cross-coupling with aryl halide.

What is the mechanism of the Lehmstedt-Tanasescu reaction?

Quiz: Nitrobenzene and aldehyde with acid.

What is the mechanism of the Leuckart reaction?

Quiz: Formamide or ammonium formate reductively aminates carbonyl.

What is the mechanism of the Lombardo methylenation?

Quiz: CH2I2/Zn/TiCl4 generates methylenation reagent for ketones.

What is the mechanism of the Lossen rearrangement?

Quiz: Hydroxamic acid activated to isocyanate, then hydrolysis gives amine.

What is the mechanism of the lyngbyatoxin PKC activation?

Quiz: Indole alkaloid activates protein kinase C.

What is the mechanism of the manzamine aza-Diels-Alder?

Quiz: Intramolecular [4+2] cycloaddition.

What is the mechanism of the Martin sulfurane dehydratation?

Quiz: Sulfurane intermediate undergoes syn-elimination to give alkene.

What is the mechanism of the McFadyen-Stevens reaction?

Quiz: Arenesulfonylhydrazide gives aldehyde upon base treatment.

What is the mechanism of the Meerwein arylation?

Quiz: Diazonium salt adds to alkene, then halide captures carbocation.

What is the mechanism of the Meinwald rearrangement?

Quiz: Lewis acid-catalyzed epoxide rearrangement to carbonyl.

What is the mechanism of the merochlorin A terpenoid cyclization?

Quiz: Enzymatic cyclization with chlorination.

What is the mechanism of the Mukaiyama aldol reaction?

Quiz: Silyl enol ether adds to aldehyde with Lewis acid.

What is the mechanism of the Myers-Saito cyclization in calyculin?

Quiz: Enyne-allene cyclization to diradical.

What is the mechanism of the Myers-Saito cyclization?

Quiz: Enyne-allene cyclization to diradical species.

What is the mechanism of the naphthyridinomycin DNA cleavage?

Quiz: Epoxide opens to generate radical.

What is the mechanism of the Neber rearrangement?

Quiz: Oxime tosylate treated with base gives α-azirinone, then hydrolysis.

What is the mechanism of the Negishi coupling?

Quiz: Pd-catalyzed coupling of organozinc with aryl halide.

What is the mechanism of the neopeltolide tubulin inhibition?

Quiz: Macrolide with oxazoline binds tubulin.

What is the mechanism of the Niementowski quinazoline?

Quiz: Anthranilic acid and amide.

What is the mechanism of the Noyori asymmetric hydrogenation?

Quiz: BINAP-Ru catalyst transfers H2 to ketone enantioselectively.

What is the mechanism of the Noyori asymmetric transfer hydrogenation?

Quiz: Ru-catalyzed H2 transfer from formic acid or IPA.

What is the mechanism of the Overman trichloroacetimidate rearrangement?

Quiz: [3,3]-Sigmatropic shift gives trichloroacetamide.

What is the mechanism of the palau'amine proteasome inhibition?

Quiz: Bicyclic guanidine inhibits 20S proteasome.

What is the mechanism of the Parham cyclization?

Quiz: Organolithium cyclizes onto intramolecular electrophile.

What is the mechanism of the Passerini three-component?

Quiz: Aldehyde, carboxylic acid, and isocyanide.

What is the mechanism of the Perkin reaction?

Quiz: Aromatic aldehyde with acetic anhydride base.

What is the mechanism of the Petasis borono-Mannich?

Quiz: Boronic acid, amine, and carbonyl in three-component reaction.

What is the mechanism of the Pummerer rearrangement?

Quiz: Sulfoxide activated by anhydride gives α-acyloxy sulfide.

What is the mechanism of the quinocarcin DNA cleavage?

Quiz: Reductive activation to quinone methide.

What is the mechanism of the Ramberg-Bäcklund reaction?

Quiz: α-Halo sulfone forms episulfone intermediate, then alkene.

What is the mechanism of the Reformatsky reaction?

Quiz: Zinc enolate from α-haloester adds to carbonyl.

What is the mechanism of the Reimer-Tiemann reaction?

Quiz: Dichlorocarbene adds to phenol, hydrolysis gives salicylaldehyde.

What is the mechanism of the Reissert-Henze reaction?

Quiz: Pyridine N-oxide and chloroform with base.

What is the mechanism of the renieramycin DNA binding?

Quiz: Tetrahydroisoquinoline binds minor groove.

What is the mechanism of the Rosenmund reduction?

Quiz: Pd/BaSO4 poisoned catalyst selectively reduces acid chloride to aldehyde.

What is the mechanism of the Rubottom oxidation?

Quiz: Silyl enol ether treated with mCPBA gives α-hydroxy ketone.

What is the mechanism of the ryanodine Heck cyclization?

Quiz: Pd-catalyzed intramolecular C-H activation.

What is the mechanism of the Saegusa oxidation?

Quiz: Pd-mediated oxidation of silyl enol ether to enone.

What is the mechanism of the saframycin biosynthetic cyclization?

Quiz: Enzymatic Mannich reaction.

What is the mechanism of the Sakurai allylation?

Quiz: Lewis acid-activated allylsilane adds to carbonyl.

What is the mechanism of the Sandmeyer reaction?

Quiz: Copper(I) catalyzes decomposition of diazonium salt to aryl halide.

What is the mechanism of the saxitoxin guanidine formation?

Quiz: Double cyclization of bis-urea precursor.

What is the mechanism of the saxitoxin sodium channel block?

Quiz: Bis-guanidinium blocks voltage-gated sodium channels.

What is the mechanism of the Schmittel cyclization?

Quiz: Enyne-allene cyclization via different regiochemistry.

What is the mechanism of the Shapiro reaction?

Quiz: Tosylhydrazone dianion eliminates to vinyl anion.

What is the mechanism of the Sharpless asymmetric aminohydroxylation?

Quiz: Os-catalyzed enantioselective addition of nitrogen and oxygen.

What is the mechanism of the Shi epoxidation?

Quiz: Fructose-derived ketone catalyzes asymmetric epoxidation.

What is the mechanism of the Sonogashira cross-coupling?

Quiz: Pd/Cu co-catalyzed coupling of terminal alkyne with aryl halide.

What is the mechanism of the sphinxolide actin binding?

Quiz: Macrocyclic depsipeptide binds actin.

What is the mechanism of the spirotryprostatin A cell cycle inhibition?

Quiz: Spironolactone blocks G2/M transition.

What is the mechanism of the Stobbe condensation?

Quiz: Diester and ketone with base give half-ester.

What is the mechanism of the Stork-Danheiser transposition?

Quiz: Conjugate addition followed by trapping and elimination.

What is the mechanism of the Swern oxidation?

Quiz: DMSO activated by oxalyl chloride, alcohol adds then eliminates.

What is the mechanism of the swinholide A actin disruption?

Quiz: Dimeric macrolide sequesters actin monomers.

What is the mechanism of the telithromycin ribosome binding?

Quiz: Ketolide with C11-C12 carbamate for improved binding.

What is the mechanism of the tetrodotoxin sodium channel block?

Quiz: Guanidinium plugs sodium channel pore.

What is the mechanism of the Thorpe reaction?

Quiz: Nitrile dimerization to enamine.

What is the mechanism of the Thorpe-Ziegler cyclization?

Quiz: Intramolecular Thorpe reaction for macrocycle.

What is the mechanism of the Tiffeneau-Demjanov rearrangement?

Quiz: 1-Aminomethylcycloalkanol deaminated to give ring expansion.

What is the mechanism of the Tishchenko reaction?

Quiz: Aluminum alkoxide mediates hydride transfer between two aldehydes.

What is the mechanism of the trabectedin DNA alkylation?

Quiz: Pictet-Spengler adduct alkylates N2 of guanine.

What is the mechanism of the Trost asymmetric allylic alkylation?

Quiz: Pd-allyl complex with chiral ligand controls face selectivity.

What is the mechanism of the Tsuji-Trost allylation?

Quiz: Pd-π-allyl intermediate reacts with carbon nucleophile.

What is the mechanism of the Ugi four-component reaction?

Quiz: α-Isocyanoacetate, aldehyde, amine, and carboxylic acid.

What is the mechanism of the ulapualide A actin binding?

Quiz: Tris-oxazole macrolide binds G-actin.

What is the mechanism of the Ullmann coupling?

Quiz: Copper-mediated biaryl coupling of aryl halides.

What is the mechanism of the Ullmann reaction?

Quiz: Copper-mediated biaryl coupling via oxidative addition/reductive elimination.

What is the mechanism of the von Braun reaction?

Quiz: Cyanogen bromide cleaves tertiary amine to cyanamide and alkyl bromide.

What is the mechanism of the Wacker-Tsuji oxidation?

Quiz: Pd-catalyzed oxidation of terminal alkene to methyl ketone.

What is the mechanism of the Wharton transposition?

Quiz: Epoxide rearrangement to allylic alcohol.

What is the mechanism of the Wolff rearrangement?

Quiz: Loss of N2 from alpha-diazoketone generates ketene intermediate.

What is the mechanism of the xestospongin C IP3 antagonism?

Quiz: Macrocyclic bis-oxaquinolizidine blocks IP3 receptor.

What is the mechanism of the Yamaguchi macrolactonization?

Quiz: Mixed anhydride activates seco-acid for intramolecular esterification.

What is the mechanism of tylosin protein synthesis inhibition?

Quiz: Macrolide blocks peptide exit tunnel.

What is the merochlorin A biosynthesis?

Quiz: Terpenoid cyclization with chlorination.

What is the merochlorin A structure?

Quiz: Chlorinated bicyclic monoterpene with spiro center.

What is the microcystin-LR structure?

Quiz: Cyclic heptapeptide with Adda side chain.

What is the molecular formula of glucose?

Quiz: Glucose has the molecular formula C6H12O6.

What is the monanchorin A structure?

Quiz: Chlorinated spirocyclic terpenoid.

What is the Mukaiyama aldol stereochemistry?

Quiz: E-enolates give anti-products; Z-enolates give syn-products.

What is the myriocin sphingoid backbone?

Quiz: 2-amino-3,4-dihydroxy-8-hydroxyoctanoic acid.

What is the naphthyridinomycin mechanism?

Quiz: DNA cleaving agent.

What is the naphthyridinomycin structure?

Quiz: Polyketide-peptide hybrid with diazepane ring.

What is the neopeltolide mechanism?

Quiz: Tubulin-binding macrolide with oxazoline.

What is the neopeltolide structure?

Quiz: Macrolide with oxazoline and methyl-branched chain.

What is the nucleophile in an SN2 reaction?

Quiz: The nucleophile donates an electron pair to the electrophilic carbon in SN2.

What is the okadaic acid mechanism?

Quiz: Potent inhibitor of protein phosphatase PP2A.

What is the oprozomib mechanism?

Quiz: Oral proteasome inhibitor.

What is the oroidin structure?

Quiz: 2-aminoimidazole with bromopyrrole.

What is the palau'amine mechanism?

Quiz: Proteasome inhibitor.

What is the palau'amine structure?

Quiz: Pyrazino[2,1-a]isoindolone with cyclopentane ring.

What is the palytoxin synthesis challenge?

Quiz: 88 stereocenters requiring iterative aldol methodology.

What is the pancratistatin mechanism?

Quiz: Inhibits mitochondrial complex I.

What is the pinnatoxin A biosynthesis?

Quiz: Polyketide synthase with aza-Diels-Alder.

What is the pinnatoxin A key step?

Quiz: Intramolecular aza-Diels-Alder for the imine.

What is the pinnatoxin structure?

Quiz: Spirocyclic imine with spirocyclic ether.

What is the pitiamide A structure?

Quiz: Cyclic depsipeptide from marine cyanobacteria.

What is the plerixafor mechanism?

Quiz: CXCR4 antagonist (AMD3100) for stem cell mobilization.

What is the pro-R and pro-S designation?

Quiz: Labels for enantiotopic groups distinguished by CIP rules.

What is the product of [1,2]-Wittig rearrangement of a benzyl ether?

Quiz: α-Phenyl alcohol.

What is the product of [2,3]-Meisenheimer rearrangement of trimethylamine N-oxide?

Quiz: O,N-Dimethylhydroxylamine.

What is the product of [2,3]-Wittig rearrangement of an allyl ether?

Quiz: Homoallylic alcohol.

What is the product of aldol condensation of acetaldehyde?

Quiz: Aldol condensation of acetaldehyde gives 3-hydroxybutanal (aldol product).

What is the product of aldol condensation of acetone?

Quiz: Aldol condensation of acetone gives diacetone alcohol, which dehydrates to mesityl oxide.

What is the product of aldol condensation of butanal?

Quiz: 2-Ethyl-2-hexenal after dehydration.

What is the product of aldol condensation of formaldehyde?

Quiz: Pentaerythritol after crossed aldol with excess acetone.

What is the product of aldol condensation of propanal?

Quiz: Aldol condensation of propanal gives 3-hydroxy-2-methylpentanal.

What is the product of aldol of acetone with benzaldehyde?

Quiz: Dibenzylideneacetone (1,5-diphenyl-1,4-pentadien-3-one).

What is the product of aldol reaction of acetaldehyde?

Quiz: 3-Hydroxybutanal.

What is the product of Appel reaction of 1-butanol?

Quiz: 1-Chlorobutane via triphenylphosphine and CCl4.

What is the product of Appel reaction?

Quiz: Appel reaction converts alcohols to alkyl halides using CCl4/PPh3.

What is the product of Arndt-Eistert of benzoic acid?

Quiz: Phenylacetic acid.

What is the product of Arndt-Eistert synthesis?

Quiz: Arndt-Eistert synthesis homologates carboxylic acids by one CH2 unit.

What is the product of aza-Cope rearrangement of an N-allyl enamine?

Quiz: γ,δ-Unsaturated imine.

What is the product of Baeyer-Villiger of 4-tert-butylcyclohexanone?

Quiz: 4-tert-Butyl-ε-caprolactone.

What is the product of Baeyer-Villiger of bicyclo[2.2.1]heptan-2-one?

Quiz: Lactone from bridged system.

What is the product of Baeyer-Villiger of cyclohexanone?

Quiz: ε-Caprolactone.

What is the product of Baeyer-Villiger oxidation of cyclohexanone?

Quiz: Baeyer-Villiger oxidation gives ε-caprolactone.

What is the product of Baeyer-Villiger oxidation?

Quiz: Baeyer-Villiger oxidation converts ketones to esters using peracids.

What is the product of Baeyer-Villiger vs Criegee?

Quiz: BVG gives esters from ketones; Criegee cleaves 1,2-diols.

What is the product of Balz-Schiemann reaction?

Quiz: Fluorobenzene from diazonium tetrafluoroborate.

What is the product of Bamford-Stevens reaction of a tosylhydrazone?

Quiz: Alkene.

What is the product of Barbier reaction of allyl bromide and benzaldehyde?

Quiz: 1-Phenyl-3-buten-1-ol.

What is the product of Bartlett-Knorr pyrrole synthesis?

Quiz: Bartlett-Knorr synthesizes pyrroles from α-aminoketones and β-ketoesters.

What is the product of Bartoli indole synthesis?

Quiz: Bartoli gives indoles from nitrobenzenes and vinyl Grignard.

What is the product of Barton decarboxylation of a thiohydroxamate ester?

Quiz: Alkane from carboxylic acid.

What is the product of Barton deoxygenation of a tertiary alcohol?

Quiz: Deoxygenated hydrocarbon.

What is the product of Barton nitrite ester photolysis?

Quiz: Barton photolysis generates δ-nitroso radicals for remote functionalization.

What is the product of Barton reaction?

Quiz: Barton reaction is a photochemical nitrite ester to δ-nitroso conversion.

What is the product of Barton-McCombie deoxygenation of a secondary alcohol?

Quiz: Deoxygenated hydrocarbon via xanthate.

What is the product of Barton-McCombie deoxygenation?

Quiz: Barton-McCombie removes hydroxyl groups via radical mechanism.

What is the product of Baylis-Hillman of benzaldehyde and methyl acrylate?

Quiz: Methyl 2-(hydroxyphenylmethyl)acrylate.

What is the product of Baylis-Hillman of cyclohexanone and methyl acrylate?

Quiz: Methyl 2-(1-hydroxycyclohexyl)acrylate.

What is the product of Beckmann rearrangement of cyclohexanone oxime?

Quiz: Beckmann rearrangement gives ε-caprolactam.

What is the product of Beckmann rearrangement?

Quiz: Beckmann rearrangement converts oximes to amides.

What is the product of benzil rearrangement of 4,4'-dimethoxybenzil?

Quiz: 4,4'-Dimethoxybenzilic acid.

What is the product of benzil-benzilic acid rearrangement?

Quiz: Benzil gives benzilic acid under basic conditions.

What is the product of Bernthsen acridine synthesis?

Quiz: Bernthsen gives acridines from diphenylamines.

What is the product of Bestmann-Ohira reagent reaction?

Quiz: Bestmann-Ohira gives terminal alkynes from aldehydes.

What is the product of Biginelli of 4-chlorobenzaldehyde, urea, and ethyl acetoacetate?

Quiz: 4-Chlorophenyl dihydropyrimidinone.

What is the product of Biginelli of furfural, urea, and ethyl acetoacetate?

Quiz: Furfuryl dihydropyrimidinone.

What is the product of Biginelli reaction of benzaldehyde, urea, and ethyl acetoacetate?

Quiz: 3,4-Dihydropyrimidin-2(1H)-one.

What is the product of Biginelli reaction?

Quiz: Biginelli gives dihydropyrimidinones.

What is the product of Birch reduction of anisole?

Quiz: 1-Methoxy-1,4-cyclohexadiene.

What is the product of Birch reduction of benzoic acid?

Quiz: 2,5-Cyclohexadiene-1-carboxylic acid.

What is the product of Bischler-Mohlau indole synthesis?

Quiz: Bischler-Mohlau gives 2-arylindoles.

What is the product of Bischler-Möhlau indole synthesis?

Quiz: Bischler-Möhlau synthesizes 2-arylindoles from α-halo ketones and anilines.

What is the product of Bischler-Napieralski of N-acyl-β-phenylethylamine?

Quiz: 3,4-Dihydroisoquinoline.

What is the product of Bischler-Napieralski reaction?

Quiz: Bischler-Napieralski gives dihydroisoquinolines.

What is the product of Blaise of ethyl bromoacetate and acetonitrile?

Quiz: Ethyl 3-aminocrotonate.

What is the product of Blaise reaction of ethyl bromoacetate and benzonitrile?

Quiz: Ethyl 3-amino-3-phenylacrylate.

What is the product of Blaise reaction?

Quiz: Blaise gives β-enamino esters from zinc, α-bromoesters, and nitriles.

What is the product of Bouveault-Blanc reduction of ethyl benzoate?

Quiz: Benzyl alcohol.

What is the product of bromination of phenol?

Quiz: Phenol undergoes electrophilic bromination to give 2,4,6-tribromophenol.

What is the product of Brook rearrangement?

Quiz: Brook rearrangement is 1,2-migration of silyl group from carbon to oxygen.

What is the product of Bucherer reaction of 2-naphthol?

Quiz: 2-Naphthylamine.

What is the product of Buchwald-Hartwig amination?

Quiz: Buchwald-Hartwig forms C-N bonds between aryl halides and amines.

What is the product of Buchwald-Hartwig of 2-bromopyridine and piperazine?

Quiz: 2-(Piperazin-1-yl)pyridine.

What is the product of Buchwald-Hartwig of 4-bromoanisole and piperidine?

Quiz: 4-Methoxy-N-piperidinylaniline.

What is the product of Buchwald-Hartwig of 4-bromobenzonitrile and morpholine?

Quiz: 4-Cyano-N-morpholinoaniline.

What is the product of Buchwald-Hartwig of bromobenzene and morpholine?

Quiz: N-Phenylmorpholine.

What is the product of Burgess dehydration of a secondary alcohol?

Quiz: Alkene via syn-elimination.

What is the product of Cacchi indole synthesis?

Quiz: Cacchi synthesis uses Pd-catalyzed cyclization of 2-alkynyltrifluoroacetanilides.

What is the product of Cadiot-Chodkiewicz coupling?

Quiz: Cadiot-Chodkiewicz coupling forms diynes from terminal alkynes and haloalkynes.

What is the product of Cadogan-Sundberg indole synthesis?

Quiz: Cadogan synthesis converts 2-nitrostyrenes to indoles using P(OEt)3.

What is the product of Campbell reaction?

Quiz: Campbell gives acridines from 2-aminobenzophenones.

What is the product of Cannizzaro of benzaldehyde?

Quiz: Benzyl alcohol and benzoic acid.

What is the product of Cannizzaro reaction of benzaldehyde?

Quiz: Cannizzaro gives benzyl alcohol and benzoic acid.

What is the product of Chan-Lam coupling of phenylboronic acid and indole?

Quiz: N-Phenylindole.

What is the product of Chan-Lam coupling?

Quiz: Chan-Lam coupling forms C-N, C-O, or C-S bonds using boronic acids.

What is the product of Chan-Lam etherification of phenol and arylboronic acid?

Quiz: Diaryl ether.

What is the product of Chan-Lam of 4-methoxyphenylboronic acid and imidazole?

Quiz: 1-(4-Methoxyphenyl)imidazole.

What is the product of Chan-Lam of phenylboronic acid and pyrrole?

Quiz: N-Phenylpyrrole.

What is the product of Claisen condensation of ethyl acetate?

Quiz: Claisen condensation gives ethyl acetoacetate.

What is the product of Claisen condensation of ethyl butanoate?

Quiz: Ethyl 2-ethyl-3-oxohexanoate.

What is the product of Claisen condensation of ethyl propanoate?

Quiz: Ethyl 2-methyl-3-oxopentanoate.

What is the product of Claisen condensation?

Quiz: Claisen condensation of esters gives β-keto esters.

What is the product of Claisen rearrangement of allyl vinyl ether?

Quiz: γ,δ-Unsaturated carbonyl.

What is the product of Clemmensen of acetophenone?

Quiz: Ethylbenzene.

What is the product of Clemmensen of benzophenone?

Quiz: Diphenylmethane.

What is the product of Clemmensen of cyclohexanone?

Quiz: Cyclohexane.

What is the product of Clemmensen reduction of acetophenone?

Quiz: Clemmensen reduction gives ethylbenzene.

What is the product of Clemmensen reduction?

Quiz: Clemmensen reduction converts C=O to CH2 using Zn(Hg)/HCl.

What is the product of Combes quinoline synthesis?

Quiz: Combes gives quinolines from anilines and β-diketones.

What is the product of Conia-ene reaction of an enol?

Quiz: Cyclic ketone.

What is the product of Conrad-Limpach quinoline synthesis?

Quiz: Conrad-Limpach gives 4-hydroxyquinolines from anilines.

What is the product of Conrad-Limpach synthesis?

Quiz: Conrad-Limpach gives 4-hydroxyquinolines.

What is the product of Cook-Heilbron thiazole synthesis?

Quiz: Cook-Heilbron synthesizes thiazoles from α-aminonitriles and sulfur.

What is the product of Cope elimination of triethylamine N-oxide?

Quiz: Ethylene and N,N-diethylhydroxylamine.

What is the product of Cope elimination?

Quiz: Cope elimination of amine oxides gives alkenes via syn-elimination.

What is the product of Cope rearrangement of 1,5-hexadiene?

Quiz: 3,3'-Dimethylene-1,5-hexadiene.

What is the product of Corey-Bakshi-Shibata reduction of a prochiral ketone?

Quiz: Enantioselective allylic alcohol.

What is the product of Corey-Bakshi-Shibata reduction?

Quiz: CBS reduction uses oxazaborolidine catalyst for asymmetric ketone reduction.

What is the product of Corey-Chaykovsky of acetone?

Quiz: 2,2-Dimethyloxirane.

What is the product of Corey-Chaykovsky of benzaldehyde?

Quiz: Phenyloxirane.

What is the product of Corey-Chaykovsky of cyclohexanone?

Quiz: 1-Oxaspiro[2.5]octane.

What is the product of Corey-Chaykovsky reaction?

Quiz: Corey-Chaykovsky gives epoxides or cyclopropanes from carbonyls.

What is the product of Corey-Fuchs of 3-phenylpropanal?

Quiz: 4-Phenyl-1-butyne.

What is the product of Corey-Fuchs of benzaldehyde?

Quiz: Phenylacetylene.

What is the product of Corey-Fuchs of hexanal?

Quiz: 1-Heptyne.

What is the product of Corey-Fuchs of propanal?

Quiz: Propyne.

What is the product of Corey-Fuchs reaction?

Quiz: Corey-Fuchs reaction converts aldehydes to alkynes via dibromoolefination.

What is the product of Corey-Seebach of 1,3-dithiane and butyl bromide?

Quiz: 2-Pentyl-1,3-dithiane.

What is the product of Corey-Winter olefination of a cyclic thiocarbonate?

Quiz: Cis-alkene.

What is the product of Cornforth rearrangement?

Quiz: Cornforth rearrangement converts oxazoles to thiazoles.

What is the product of Crabtree hydrogenation of an alkene?

Quiz: Saturated hydrocarbon with high ee.

What is the product of Criegee oxidation of a 1,2-diol?

Quiz: Aldehydes or ketones from cleavage.

What is the product of Criegee oxidation?

Quiz: Criegee oxidation uses lead tetraacetate for oxidative cleavage of 1,2-diols.

What is the product of cross-metathesis of styrene and 1-hexene?

Quiz: 1-Phenyl-1-pentene.

What is the product of crossed aldol of benzaldehyde and acetone?

Quiz: Benzylideneacetone (4-phenyl-3-buten-2-one).

What is the product of Curtius rearrangement of benzoyl azide?

Quiz: Phenyl isocyanate, then aniline.

What is the product of Curtius rearrangement?

Quiz: Curtius rearrangement of acyl azides gives isocyanates, then amines.

What is the product of Dakin oxidation of 4-hydroxybenzaldehyde?

Quiz: Hydroquinone.

What is the product of Dakin reaction?

Quiz: Dakin reaction converts aromatic aldehydes/ketones with OH/NH2 to phenols.

What is the product of Danheiser benzannulation?

Quiz: Polysubstituted benzene.

What is the product of Davis oxaziridine oxidation of a sulfide?

Quiz: Sulfoxide or sulfone.

What is the product of dehydration of cyclohexanol?

Quiz: Cyclohexene.

What is the product of dehydrohalogenation of 2-bromobutane?

Quiz: 2-Butene (main) and 1-butene.

What is the product of Demjanov rearrangement?

Quiz: Demjanov rearrangement ring-expands cycloalkylamines.

What is the product of di-π-methane rearrangement?

Quiz: Di-π-methane rearrangement converts 1,4-dienes to vinylcyclopropanes photochemically.

What is the product of Dieckmann condensation of diethyl adipate?

Quiz: Ethyl 2-oxocyclopentanecarboxylate.

What is the product of Dieckmann condensation of diethyl pimelate?

Quiz: Ethyl 2-oxocyclohexanecarboxylate.

What is the product of Dieckmann condensation?

Quiz: Dieckmann condensation is an intramolecular Claisen of diesters.

What is the product of Diels-Alder of cyclopentadiene and maleic anhydride?

Quiz: Endo-norbornene-5,6-dicarboxylic anhydride.

What is the product of Diels-Alder of isoprene and maleic anhydride?

Quiz: 4-Methyl-4-cyclohexene-1,2-dicarboxylic anhydride.

What is the product of Diels-Alder reaction of cyclopentadiene with maleic anhydride?

Quiz: The Diels-Alder adduct is endo-norbornene-5,6-dicarboxylic anhydride.

What is the product of Diels-Alder reaction?

Quiz: Diels-Alder [4+2] cycloaddition gives a cyclohexene derivative.

What is the product of dissolving metal reduction of phenanthrene?

Quiz: 9,10-Dihydrophenanthrene.

What is the product of divinylcyclopropane rearrangement?

Quiz: Divinylcyclopropane rearrangement gives cycloheptadienes.

What is the product of Doebner-Miller of crotonaldehyde and aniline?

Quiz: Quinoline derivative.

What is the product of Doebner-von Miller reaction?

Quiz: Doebner-von Miller gives quinolines from anilines and α,β-unsaturated carbonyls.

What is the product of Duff reaction?

Quiz: Duff reaction formylates phenols using hexamethylenetetramine.

What is the product of Eglinton reaction?

Quiz: Eglinton reaction uses Cu(OAc)2 for alkyne dimerization.

What is the product of Eschenmoser-Claisen of an allyl alcohol?

Quiz: Amide from allyl vinyl ether.

What is the product of Eschenmoser-Claisen of geraniol?

Quiz: Amide of γ,δ-unsaturated aldehyde.

What is the product of Eschweiler-Clarke of aniline?

Quiz: N-Methylaniline.

What is the product of Eschweiler-Clarke of methylamine?

Quiz: Dimethylamine.

What is the product of Eschweiler-Clarke reaction?

Quiz: Eschweiler-Clarke gives N-methylated amines.

What is the product of esterification of acetic acid with ethanol?

Quiz: Fischer esterification of acetic acid with ethanol produces ethyl acetate and water.

What is the product of Etard reaction?

Quiz: Etard reaction oxidizes methylarenes to aldehydes using CrO2Cl2.

What is the product of Favorskii of 2-chlorocyclohexanone?

Quiz: Cyclopentanecarboxylic acid.

What is the product of Favorskii rearrangement?

Quiz: Favorskii gives rearranged carboxylic acid derivatives.

What is the product of Ferrier carbocyclization of tri-O-acetyl-D-glucal?

Quiz: Cyclohexanone derivative.

What is the product of Ferrier of tri-O-acetyl-D-galactal?

Quiz: 2,3-Unsaturated galactoside.

What is the product of Ferrier rearrangement of tri-O-acetyl-D-glucal?

Quiz: 2,3-Unsaturated glycoside.

What is the product of Ferrier rearrangement?

Quiz: Ferrier gives 2,3-unsaturated glycosides from glycals.

What is the product of Finkelstein reaction of 1-bromobutane and NaI?

Quiz: 1-Iodobutane.

What is the product of Fischer esterification of acetic acid and ethanol?

Quiz: Ethyl acetate.

What is the product of Fischer glycosidation of galactose?

Quiz: Methyl galactoside.

What is the product of Fischer glycosidation of glucose?

Quiz: Methyl glucoside.

What is the product of Fischer glycosidation?

Quiz: Fischer glycosidation gives glycosides from hemiacetals.

What is the product of Fischer indole of acetophenone phenylhydrazone?

Quiz: 2-Methylindole.

What is the product of Fischer indole of cyclohexanone phenylhydrazone?

Quiz: Tetrahydrocarbazole.

What is the product of Fischer indole of cyclopentanone phenylhydrazone?

Quiz: Tetrahydropentalenopyrrole.

What is the product of Fischer indole of phenylhydrazone of cyclohexanone?

Quiz: Tetrahydrocarbazole.

What is the product of Fischer indole synthesis?

Quiz: Fischer indole synthesis converts arylhydrazones to indoles with acid catalysis.

What is the product of Friedel-Crafts acylation of benzene?

Quiz: Friedel-Crafts acylation of benzene with acetyl chloride gives acetophenone.

What is the product of Friedlander quinoline synthesis?

Quiz: Friedlander gives quinolines from 2-aminobenzaldehydes.

What is the product of Friedlander synthesis?

Quiz: Friedlander gives quinolines from 2-aminobenzaldehyde.

What is the product of Fukuyama indole synthesis?

Quiz: Fukuyama synthesis converts 2-nitrobenzenethiol derivatives to indoles.

What is the product of Gabriel of phthalimide and benzyl bromide?

Quiz: Benzylamine.

What is the product of Gabriel of potassium phthalimide and 2-bromoethanol?

Quiz: 2-Aminoethanol.

What is the product of Gabriel synthesis of benzyl bromide?

Quiz: Benzylamine.

What is the product of Gabriel synthesis?

Quiz: Gabriel synthesis produces primary amines from phthalimide and alkyl halides.

What is the product of Gassman indole synthesis?

Quiz: Gassman synthesis converts anilines to 3-thioindoles via sulfenylation.

What is the product of Gattermann-Koch formylation?

Quiz: Gattermann-Koch introduces -CHO onto aromatics using CO/HCl/AlCl3.

What is the product of Gomberg-Bachmann reaction of benzenediazonium chloride?

Quiz: Biphenyl.

What is the product of Gomberg-Bachmann reaction?

Quiz: Gomberg-Bachmann forms biaryls from diazonium salts.

What is the product of Gribble reduction of an aromatic nitro group?

Quiz: Aromatic amine.

What is the product of Gribble reduction?

Quiz: Gribble reduction uses NaBH4/DMSO for deoxygenation of alcohols.

What is the product of Grignard reaction of methylmagnesium bromide with benzaldehyde?

Quiz: 1-Phenylethanol after acid workup.

What is the product of Grignard reaction with CO2?

Quiz: Grignard reagent + CO2 followed by acid gives a carboxylic acid.

What is the product of Grignard reaction with formaldehyde?

Quiz: Grignard reagent + formaldehyde gives a primary alcohol.

What is the product of Grob fragmentation of a 1,3-amino alcohol?

Quiz: Alkene and carbonyl.

What is the product of Grob fragmentation of a 1,3-diol?

Quiz: Alkene and aldehyde.

What is the product of Grubbs II metathesis of 1,6-heptadiene?

Quiz: Cyclopentene.

What is the product of Grubbs metathesis of 1,9-decadiene?

Quiz: Cyclooctene and ethylene.

What is the product of Grubbs metathesis of diallyl ether?

Quiz: 2,5-Dihydrofuran.

What is the product of Grubbs metathesis?

Quiz: Grubbs metathesis redistributes alkene substituents.

What is the product of Grubbs of 1,7-octadiene?

Quiz: Cyclohexene.

What is the product of Hantzsch dihydropyridine synthesis?

Quiz: Hantzsch gives 1,4-dihydropyridines from aldehyde, β-ketoester, and NH3.

What is the product of Hantzsch pyridine synthesis?

Quiz: 1,4-Dihydropyridine.

What is the product of Hantzsch pyrrole synthesis?

Quiz: Hantzsch gives pyrroles from β-ketoesters, aldehydes, and ammonia.

What is the product of Hantzsch thiazole of chloroacetone and thioacetamide?

Quiz: 2,4-Dimethylthiazole.

What is the product of Hantzsch thiazole synthesis?

Quiz: Hantzsch gives thiazoles from α-haloketones and thioamides.

What is the product of Heck arylation of methyl acrylate with 4-bromoanisole?

Quiz: Methyl 4-methoxycinnamate.

What is the product of Heck of 2-bromothiophene and styrene?

Quiz: 2-Styrylthiophene.

What is the product of Heck reaction of bromobenzene with methyl acrylate?

Quiz: Methyl cinnamate.

What is the product of Heck reaction of iodobenzene with methyl acrylate?

Quiz: Heck reaction gives methyl cinnamate.

What is the product of Heck reaction?

Quiz: Heck reaction couples aryl/vinyl halides with alkenes.

What is the product of Hegedus indole synthesis?

Quiz: Hegedus synthesis couples 2-aminophenyl halides with alkenes using Pd.

What is the product of Henry reaction of benzaldehyde and nitromethane?

Quiz: β-Nitrostyrene.

What is the product of Henry reaction of nitroethane and benzaldehyde?

Quiz: 2-Nitro-1-phenylpropene.

What is the product of Henry reaction?

Quiz: Henry reaction (nitroaldol) adds nitroalkanes to aldehydes.

What is the product of hetero-Diels-Alder of an aldehyde and diene?

Quiz: Dihydropyran.

What is the product of Hine rearrangement of bromoform?

Quiz: Formate ester.

What is the product of Hiyama coupling of phenyltrimethoxysilane and bromobenzene?

Quiz: Biphenyl.

What is the product of Hiyama coupling?

Quiz: Hiyama coupling uses organosilicon reagents with Pd catalyst.

What is the product of Hiyama of 2-thienyltrimethoxysilane and bromobenzene?

Quiz: 2-Phenylthiophene.

What is the product of Hiyama of 4-methylphenyltrimethylsilane and bromobenzene?

Quiz: 4-Methylbiphenyl.

What is the product of Hiyama of phenyltrimethylsilane and bromobenzene?

Quiz: Biphenyl.

What is the product of Hiyama of vinyltrimethylsilane and iodobenzene?

Quiz: Styrene.

What is the product of Hofmann elimination of trimethyl-2-hydroxyethylammonium?

Quiz: Ethylene oxide and trimethylamine.

What is the product of Hofmann elimination?

Quiz: Hofmann elimination gives the less substituted alkene (anti-Saytzeff).

What is the product of Hofmann rearrangement of benzamide?

Quiz: Aniline.

What is the product of Hofmann rearrangement?

Quiz: Hofmann rearrangement of amides gives primary amines with one fewer carbon.

What is the product of Horner-Wadsworth-Emmons of benzaldehyde and triethyl phosphonoacetate?

Quiz: Ethyl cinnamate.

What is the product of Hosomi-Sakurai of benzaldehyde?

Quiz: Allylbenzyl alcohol after workup.

What is the product of Hunsdiecker of silver 4-nitrobenzoate?

Quiz: 4-Nitrobromobenzene.

What is the product of Hunsdiecker of silver acetate?

Quiz: Bromomethane.

What is the product of Hunsdiecker of silver benzoate?

Quiz: Bromobenzene.

What is the product of Hunsdiecker of silver phenylacetate?

Quiz: Phenethyl bromide.

What is the product of Hunsdiecker reaction?

Quiz: Hunsdiecker gives alkyl bromides from silver carboxylates.

What is the product of hydroboration of 1-methylcyclohexene?

Quiz: Hydroboration-oxidation gives trans-2-methylcyclohexanol.

What is the product of hydroboration-oxidation of propene?

Quiz: Anti-Markovnikov addition yields propan-1-ol.

What is the product of intramolecular Diels-Alder of a triene?

Quiz: Bicyclic system.

What is the product of intramolecular Heck of 2-bromophenyl allyl ether?

Quiz: Dihydrobenzofuran.

What is the product of inverse-electron-demand Diels-Alder?

Quiz: Substituted cyclohexene.

What is the product of Ireland-Claisen of an allyl ester?

Quiz: γ,δ-Unsaturated acid.

What is the product of Ireland-Claisen of crotyl acetate?

Quiz: 4-Hexenoic acid derivative.

What is the product of Jacobsen epoxidation of cis-β-methylstyrene?

Quiz: Chiral cis-β-methylstyrene oxide.

What is the product of Johnson-Claisen of an allyl alcohol and orthoester?

Quiz: γ,δ-Unsaturated ester.

What is the product of Johnson-Claisen of linalool and triethyl orthoacetate?

Quiz: γ,δ-Unsaturated ester.

What is the product of Julia-Lythgoe olefination of benzaldehyde?

Quiz: trans-Stilbene.

What is the product of Katsuki-Sharpless epoxidation of (E)-2-hexen-1-ol?

Quiz: Chiral epoxy alcohol.

What is the product of Kiliani-Fisher of D-arabinose?

Quiz: D-glucose and D-mannose.

What is the product of Kiliani-Fisher of D-ribose?

Quiz: D-arabinose and D-lyxose.

What is the product of Kiliani-Fisher synthesis?

Quiz: Kiliani-Fisher synthesis lengthens aldose sugars by one carbon.

What is the product of Knoevenagel condensation of benzaldehyde with malonic acid?

Quiz: Knoevenagel gives cinnamic acid.

What is the product of Knoevenagel condensation?

Quiz: Knoevenagel condensation of aldehydes with active methylene compounds gives α,β-unsaturated products.

What is the product of Knoevenagel of benzaldehyde and malonic acid?

Quiz: Cinnamic acid.

What is the product of Knoevenagel of formaldehyde and malononitrile?

Quiz: Malononitrile vinyl adduct (1,1-dicyanoethylene).

What is the product of Knorr pyrrole synthesis of ethyl acetoacetate and an amino ketone?

Quiz: Trisubstituted pyrrole.

What is the product of Knorr pyrrole synthesis?

Quiz: Knorr gives pyrroles from α-aminoketones and β-ketoesters.

What is the product of Knorr quinoline synthesis?

Quiz: Knorr gives quinolines from aniline and β-ketoester.

What is the product of Koch-Haaf carbonylation of cyclohexanol?

Quiz: Cyclohexanecarboxylic acid.

What is the product of Kochi of cinnamic acid?

Quiz: Cinnamyl chloride.

What is the product of Kochi of phenylacetic acid?

Quiz: Phenethyl chloride.

What is the product of Kochi reaction?

Quiz: Kochi gives alkyl chlorides from carboxylic acids.

What is the product of Koenigs-Knorr of acetobromogalactose?

Quiz: Methyl galactoside.

What is the product of Koenigs-Knorr of acetobromoglucose?

Quiz: Methyl glycoside.

What is the product of Koenigs-Knorr reaction?

Quiz: Koenigs-Knorr gives glycosides from glycosyl halides.

What is the product of Kolbe electrolysis of acetic acid?

Quiz: Ethane and CO2.

What is the product of Kolbe-Schmitt reaction?

Quiz: Kolbe-Schmitt reaction converts phenol to salicylic acid using CO2/NaOH.

What is the product of Kröhnke pyridine synthesis?

Quiz: 2,4,6-Trisubstituted pyridine.

What is the product of Kulinkovich reaction?

Quiz: Kulinkovich reaction forms cyclopropanols from esters and Grignard reagents.

What is the product of Kumada coupling of 2-thienylmagnesium bromide and bromobenzene?

Quiz: 2-Phenylthiophene.

What is the product of Kumada coupling?

Quiz: Kumada coupling uses Grignard reagents with nickel or palladium catalysts.

What is the product of Kumada of 2-pyridylmagnesium bromide and iodobenzene?

Quiz: 2-Phenylpyridine.

What is the product of Kumada of 4-chlorophenylmagnesium bromide and iodobenzene?

Quiz: 4-Chlorobiphenyl.

What is the product of Kumada of phenylmagnesium bromide and bromobenzene?

Quiz: Biphenyl.

What is the product of Kumada of vinylmagnesium bromide and bromobenzene?

Quiz: Styrene.

What is the product of Larock indole synthesis?

Quiz: Larock indole synthesis couples 2-iodoanilines with internal alkynes.

What is the product of Lebedev process of ethanol?

Quiz: 1,3-Butadiene.

What is the product of Leimgruber-Batcho indole synthesis?

Quiz: Leimgruber-Batcho converts 2-nitrotoluenes to indoles using DMF-DMA.

What is the product of Lemieux-Johnson oxidation of cyclohexene?

Quiz: 1,6-Hexanedial.

What is the product of Lemieux-Johnson oxidation?

Quiz: Lemieux-Johnson oxidation cleaves alkenes to aldehydes using OsO4/NaIO4.

What is the product of Leuckart of acetone?

Quiz: Isopropylamine.

What is the product of Leuckart of cyclohexanone?

Quiz: Cyclohexylamine.

What is the product of Leuckart reaction?

Quiz: Leuckart gives amines from carbonyls and ammonium formate.

What is the product of Leuckart-Wallach of N-methylformanilide and benzophenone?

Quiz: N-Methyldiphenylmethylamine.

What is the product of Lombardo reagent reaction?

Quiz: Lombardo gives alkenes from carbonyls.

What is the product of Lombardo reagent with cyclohexanone?

Quiz: Methylenecyclohexane.

What is the product of Lossen rearrangement of hydroxamic acid?

Quiz: Isocyanate, then amine.

What is the product of Luche reduction of 2-cyclohexenone?

Quiz: 2-Cyclohexen-1-ol.

What is the product of Madelung indole synthesis?

Quiz: Madelung synthesis converts N-acyl-o-toluidines to indoles with strong base.

What is the product of Mannich reaction of acetone, formaldehyde, and dimethylamine?

Quiz: 4-Dimethylamino-2-butanone.

What is the product of Mannich reaction of acetone?

Quiz: Mannich reaction gives β-aminoketone.

What is the product of Martin sulfurane dehydratation of 1,3-propanediol?

Quiz: Allyl alcohol after elimination.

What is the product of McFadyen-Stevens of benzenesulfonylhydrazide?

Quiz: Benzaldehyde.

What is the product of McFadyen-Stevens of p-toluenesulfonylhydrazide?

Quiz: p-Tolualdehyde.

What is the product of McFadyen-Stevens reaction?

Quiz: McFadyen-Stevens gives aldehydes from acylsulfonhydrazides.

What is the product of Meerwein arylation of aniline diazonium and acrylonitrile?

Quiz: β-Chlorophenylpropionitrile.

What is the product of Meerwein-Ponndorf-Verley reduction of cyclohexanone?

Quiz: Cyclohexanol.

What is the product of Meerwein-Ponndorf-Verley?

Quiz: MPV reduction selectively reduces ketones to alcohols using Al(OiPr)3.

What is the product of Meinwald of stilbene oxide?

Quiz: Phenylacetaldehyde derivative.

What is the product of Meinwald of styrene oxide?

Quiz: Phenylacetaldehyde.

What is the product of Meinwald rearrangement?

Quiz: Meinwald gives carbonyls from epoxides.

What is the product of Meisenheimer rearrangement of benzylamine N-oxide?

Quiz: N-Benzyl-O-methylhydroxylamine.

What is the product of Meisenheimer rearrangement?

Quiz: Meisenheimer rearrangement converts amine oxides to N-alkylhydroxylamines.

What is the product of Michael addition of diethyl malonate to acrolein?

Quiz: Diethyl 2-formylglutarate derivative.

What is the product of Michael addition of dimethyl malonate to methyl vinyl ketone?

Quiz: Dimethyl 2-methyl-4-oxopentanedioate derivative.

What is the product of Michael addition?

Quiz: Michael addition of nucleophiles to α,β-unsaturated carbonyls gives 1,4-adducts.

What is the product of Mitsunobu of (R)-2-butanol with benzoic acid?

Quiz: (S)-2-Butyl benzoate with inversion.

What is the product of Mitsunobu reaction of (R)-2-butanol with benzoic acid?

Quiz: Mitsunobu gives (S)-2-butyl benzoate with inversion.

What is the product of Moffatt oxidation of a secondary alcohol?

Quiz: Ketone.

What is the product of Mozingo reduction of cyclohexanethione?

Quiz: Cyclohexanethiol.

What is the product of Mukaiyama aldol of benzaldehyde and silyl enol ether of acetone?

Quiz: 4-Hydroxy-4-phenyl-2-butanone.

What is the product of Mukaiyama-Michael of a silyl enol ether to an enone?

Quiz: 1,5-Dicarbonyl compound.

What is the product of Mukaiyama-Michael of cyclohexanone silyl enol ether to cyclohexenone?

Quiz: 1,5-Diketone (2-(2-oxocyclohexyl)cyclohexanone).

What is the product of Nametkin rearrangement?

Quiz: Nametkin rearrangement is 1,2-methyl shift in bornyl systems.

What is the product of Nazarov cyclization of a divinyl ketone?

Quiz: Cyclopentenone.

What is the product of Neber of p-methoxyacetophenone oxime tosylate?

Quiz: p-Methoxyphenylaminoacetophenone.

What is the product of Neber of propiophenone oxime tosylate?

Quiz: 2-Aminopropiophenone.

What is the product of Neber rearrangement of acetophenone oxime tosylate?

Quiz: 2-Phenylaminoacetophenone.

What is the product of Neber rearrangement of oxime tosylate?

Quiz: α-Aminoketone.

What is the product of Neber rearrangement?

Quiz: Neber rearrangement converts oxime tosylates to α-aminoketones.

What is the product of Negishi coupling of 4-methylphenylzinc and iodobenzene?

Quiz: 4-Methylbiphenyl.

What is the product of Negishi coupling?

Quiz: Negishi coupling forms C-C bonds using organozinc reagents.

What is the product of Negishi of 4-methylphenylzinc and bromobenzene?

Quiz: 4-Methylbiphenyl.

What is the product of Negishi of cyclohexylzinc chloride and 4-bromobenzonitrile?

Quiz: 4-Cyclohexylbenzonitrile.

What is the product of Negishi of phenylzinc and bromobenzene?

Quiz: Biphenyl.

What is the product of Negishi of vinylzinc and iodobenzene?

Quiz: Styrene.

What is the product of Negishi of vinylzinc chloride and 4-bromoanisole?

Quiz: 4-Methoxystyrene.

What is the product of Nenitzescu indole synthesis of quinone and β-aminocrotonate?

Quiz: 5-Hydroxyindole.

What is the product of Nenitzescu indole synthesis?

Quiz: Nenitzescu gives 5-hydroxyindoles from quinones.

What is the product of NHK of benzaldehyde and vinyl iodide?

Quiz: Allyl alcohol.

What is the product of Nicholas reaction?

Quiz: Nicholas reaction involves cobalt-stabilized propargylic cations.

What is the product of Noyori asymmetric hydrogenation of β-keto esters?

Quiz: Chiral syn-1,3-diol monoester.

What is the product of Nozaki-Hiyama-Kishi of benzaldehyde and vinyl bromide?

Quiz: Allylbenzene alcohol.

What is the product of Nozaki-Hiyama-Kishi of crotonaldehyde and vinyl bromide?

Quiz: 1,4-Hexadien-3-ol.

What is the product of Nozaki-Hiyama-Kishi of phenylacetaldehyde and vinyl iodide?

Quiz: 1-Phenyl-3-buten-1-ol.

What is the product of Nozaki-Hiyama-Kishi reaction?

Quiz: NHK gives allylic alcohols from aldehydes and vinyl halides.

What is the product of Oppenauer oxidation of a secondary alcohol?

Quiz: Ketone.

What is the product of Oppenauer oxidation?

Quiz: Oppenauer oxidation selectively oxidizes secondary alcohols to ketones.

What is the product of Overman rearrangement of an allylic trichloroacetimidate?

Quiz: Allylic trichloroacetamide.

What is the product of Overman rearrangement of geranyl trichloroacetimidate?

Quiz: E-allylic trichloroacetamide.

What is the product of oxidation of a primary alcohol with PCC?

Quiz: Aldehyde.

What is the product of oxidation of a secondary alcohol with Dess-Martin periodinane?

Quiz: Ketone.

What is the product of oxidation of an aldehyde with Baeyer-Villiger reagent?

Quiz: Carboxylic acid or ester.

What is the product of oxy-Cope rearrangement of 1,5-hexadien-3-ol?

Quiz: δ,ε-Unsaturated ketone after tautomerization.

What is the product of Paal-Knorr of 2,5-hexanedione and hydrazine?

Quiz: 3,6-Dimethylpyridazine.

What is the product of Paal-Knorr of 2,5-hexanedione and methylamine?

Quiz: 2,5-Dimethyl-N-methylpyrrole.

What is the product of Paal-Knorr of 2,5-hexanedione?

Quiz: 2,5-Dimethylpyrrole.

What is the product of Paal-Knorr of cyclohexane-1,4-dione and benzylamine?

Quiz: N-Benzyl-2,3,4,5-tetrahydropyridine.

What is the product of Paal-Knorr pyrrole synthesis?

Quiz: Paal-Knorr synthesizes pyrroles from 1,4-diketones and amines.

What is the product of Parham cyclization of a dithiocarbamate?

Quiz: Thiazolidinethione.

What is the product of Passerini of benzaldehyde, benzoic acid, and tert-butyl isocyanide?

Quiz: α-Acyloxy amide.

What is the product of Passerini of furfural, acetic acid, and tert-butyl isocyanide?

Quiz: α-Acetoxy amide.

What is the product of Passerini reaction?

Quiz: Passerini gives α-acyloxy amides.

What is the product of Pauson-Khand of an alkyne and alkene?

Quiz: Cyclopentenone.

What is the product of Perkin reaction?

Quiz: Cinnamic acid derivatives.

What is the product of Petasis of salicylaldehyde, amine, and boronic acid?

Quiz: 2-Aminomethylphenol.

What is the product of Petasis reaction of glyoxylic acid, amine, and boronic acid?

Quiz: α-Amino acid.

What is the product of Petasis reaction?

Quiz: Petasis gives allylamines from amine, boronic acid, and carbonyl.

What is the product of Petasis reagent with dimethyl fumarate?

Quiz: Cyclopropane diester.

What is the product of Peterson olefination of benzaldehyde?

Quiz: Styrene derivatives.

What is the product of Pfitzinger reaction?

Quiz: Pfitzinger gives quinoline-4-carboxylic acids from isatin.

What is the product of phenol + Br2?

Quiz: Phenol undergoes electrophilic aromatic substitution to form 2,4,6-tribromophenol.

What is the product of Pictet-Spengler of histamine and formaldehyde?

Quiz: Tetrahydroimidazo[1,5-a]pyridine.

What is the product of Pictet-Spengler of tryptamine and formaldehyde?

Quiz: Tetrahydro-β-carboline.

What is the product of Pictet-Spengler of tryptophan and formaldehyde?

Quiz: Tetrahydro-β-carboline-1-carboxylic acid.

What is the product of Pictet-Spengler of β-phenylethylamine and formaldehyde?

Quiz: Tetrahydroisoquinoline.

What is the product of Pictet-Spengler reaction?

Quiz: Pictet-Spengler gives tetrahydroisoquinolines.

What is the product of pinacol rearrangement of 2,3-dimethyl-2,3-butanediol?

Quiz: 3,3-Dimethyl-2-butanone (pinacolone).

What is the product of pinacol rearrangement of pinacol?

Quiz: Pinacol rearrangement gives pinacolone.

What is the product of pinacol rearrangement?

Quiz: Pinacol rearrangement converts 1,2-diols to ketones via carbocation.

What is the product of Pinner of acetonitrile?

Quiz: Methyl acetimidate.

What is the product of Pinner of benzonitrile?

Quiz: Ethyl benzoate iminoester.

What is the product of Pinner reaction?

Quiz: Pinner gives iminoester hydrochlorides from nitriles.

What is the product of Polonovski reaction of an N-oxide?

Quiz: α-Amino carbonyl compound.

What is the product of Polonovski reaction?

Quiz: Polonovski reaction converts N-oxides to acetamides using Ac2O.

What is the product of Pomeranz-Fritsch of benzaldehyde and aminoacetal?

Quiz: Isoquinoline.

What is the product of Pomeranz-Fritsch reaction?

Quiz: Pomeranz-Fritsch gives isoquinolines from benzaldehydes.

What is the product of Prévost reaction?

Quiz: Prévost reaction gives anti-diols from alkenes using iodine/silver carboxylate.

What is the product of Prins reaction of formaldehyde and isobutene?

Quiz: 3,3-Dimethyloxetane or 4,4-dimethyl-1,3-dioxane.

What is the product of Prins reaction?

Quiz: Prins reaction of alkenes with aldehydes gives 1,3-diols or cyclic ethers.

What is the product of Pschorr cyclization of a diazonium salt?

Quiz: Biaryl via intramolecular coupling.

What is the product of Pschorr cyclization?

Quiz: Pschorr cyclization forms biaryl compounds via radical or photochemical pathways.

What is the product of Ramberg-Bäcklund of 2-chloromethyl phenyl sulfone?

Quiz: Styrene derivative.

What is the product of Ramberg-Bäcklund of α-chloro sulfone?

Quiz: Alkene from sulfone.

What is the product of Ramberg-Bäcklund of α-chloromethyl phenyl sulfone?

Quiz: Styrene.

What is the product of Ramberg-Bäcklund reaction?

Quiz: Ramberg-Bäcklund converts α-halo sulfones to alkenes.

What is the product of Rauhut-Currier of acrylonitrile?

Quiz: 1,4-Dicyanobutane derivative.

What is the product of Rauhut-Currier reaction of methyl acrylate?

Quiz: Dimethyl 3,3'-oxydipropanoate.

What is the product of RCM of diallyl sulfide?

Quiz: 2,5-Dihydrothiophene.

What is the product of RCM of diallylamine?

Quiz: 2,5-Dihydropyrrole.

What is the product of RCM of N,N-diallyl tosylamine?

Quiz: N-Tosyl-2,5-dihydropyrrole.

What is the product of reacting 1-butene with HBr?

Quiz: Markovnikov addition yields 2-bromobutane as the major product.

What is the product of reductive amination of acetone and methylamine?

Quiz: N-Isopropylmethylamine.

What is the product of reductive amination of benzaldehyde and benzylamine?

Quiz: Dibenzylamine.

What is the product of reductive amination?

Quiz: Reductive amination gives amines from carbonyls and amines.

What is the product of Reformatsky of ethyl bromoacetate and benzaldehyde?

Quiz: Ethyl 3-hydroxy-3-phenylpropanoate.

What is the product of Reformatsky reaction?

Quiz: Reformatsky reaction of α-halo esters with ketones gives β-hydroxy esters.

What is the product of Reissert indole synthesis?

Quiz: Reissert gives indoles from 2-nitrotoluene derivatives.

What is the product of ring-closing metathesis of N,N-diallyl-4-methylbenzenesulfonamide?

Quiz: N-Tosyl-2,5-dihydropyrrole.

What is the product of ring-closing metathesis?

Quiz: RCM gives cyclic alkenes from dienes.

What is the product of Ritter reaction of tert-butanol and acetonitrile?

Quiz: N-tert-Butylacetamide.

What is the product of Ritter reaction?

Quiz: Ritter reaction of alkenes or carbocations with nitriles gives amides.

What is the product of Robinson annulation of methyl vinyl ketone and cyclohexanone?

Quiz: Bicyclic enone (2-methyl-2-cyclohexenone fused system).

What is the product of Rosemnund-von Braun of 4-bromotoluene?

Quiz: 4-Methylbenzonitrile.

What is the product of Rosemnund-von Braun of bromobenzene?

Quiz: Benzonitrile.

What is the product of Rosemnund-von Braun reaction?

Quiz: Rosenmund-von Braun gives aryl nitriles from aryl halides.

What is the product of Rosenmund of p-toluoyl chloride?

Quiz: p-Tolualdehyde.

What is the product of Rosenmund reduction of benzoyl chloride?

Quiz: Benzaldehyde.

What is the product of Rosenmund reduction?

Quiz: Rosenmund gives aldehydes from acyl chlorides.

What is the product of Rubottom oxidation of a silyl enol ether?

Quiz: α-Hydroxy ketone.

What is the product of Rubottom oxidation of cyclohexanone TMS enol ether?

Quiz: 2-Hydroxycyclohexanone.

What is the product of Rubottom oxidation?

Quiz: Rubottom oxidation of silyl enol ethers gives α-hydroxy carbonyls.

What is the product of Ruff degradation of D-glucose?

Quiz: D-arabinose.

What is the product of Ruff degradation?

Quiz: Ruff degradation shortens aldoses by one carbon.

What is the product of Ruff of D-gluconic acid?

Quiz: D-arabinose.

What is the product of Sakurai allylation of acetone with allyltrimethylsilane?

Quiz: 4-Penten-2-ol after hydrolysis.

What is the product of Sakurai reaction of allyltrimethylsilane and benzaldehyde?

Quiz: 1-Phenyl-3-buten-1-ol.

What is the product of Sandmeyer reaction of benzenediazonium chloride with CuBr?

Quiz: Bromobenzene.

What is the product of Sandmeyer reaction?

Quiz: Sandmeyer reaction replaces diazonium group with Cl, Br, or CN.

What is the product of Schiemann reaction of diazonium tetrafluoroborate?

Quiz: Fluorobenzene.

What is the product of Schmidt glycosylation?

Quiz: Schmidt glycosylation gives glycosides from trichloroacetimidates.

What is the product of Schmidt of acetylated sugar?

Quiz: Glycoside.

What is the product of Schmidt reaction of cyclohexanecarboxylic acid?

Quiz: Cyclohexylamine via Curtius-type.

What is the product of Schmidt reaction of cyclohexanone?

Quiz: Caprolactam.

What is the product of Schmidt reaction with ketones?

Quiz: Schmidt reaction gives amides from ketones and HN3.

What is the product of Schmidt reaction?

Quiz: Schmidt reaction of ketones with HN3 gives amides.

What is the product of Schotten-Baumann reaction?

Quiz: Schotten-Baumann acylation uses acyl chlorides with aqueous base.

What is the product of semi-pinacol rearrangement?

Quiz: Semi-pinacol rearrangement involves migration to an adjacent carbocation.

What is the product of Seyferth-Gilbert homologation?

Quiz: Seyferth-Gilbert gives terminal alkynes from aldehydes.

What is the product of Seyferth-Gilbert of 3-phenylpropanal?

Quiz: 4-Phenyl-1-butyne.

What is the product of Seyferth-Gilbert of benzaldehyde?

Quiz: Phenylacetylene.

What is the product of Seyferth-Gilbert of hexanal?

Quiz: 1-Heptyne.

What is the product of Seyferth-Gilbert of propanal?

Quiz: Propyne.

What is the product of Shapiro reaction of a tosylhydrazone?

Quiz: Alkene.

What is the product of Shapiro reaction?

Quiz: Shapiro reaction of tosylhydrazones gives alkenes.

What is the product of Shapiro vs Wittig?

Quiz: Both form alkenes, but Shapiro uses tosylhydrazones while Wittig uses ylides.

What is the product of Sharpless asymmetric dihydroxylation of allyl alcohol?

Quiz: Chiral 1,2-diol.

What is the product of Sharpless epoxidation of allyl alcohol?

Quiz: Sharpless epoxidation gives glycidol with controlled stereochemistry.

What is the product of Shi epoxidation of trans-stilbene?

Quiz: trans-Stilbene oxide.

What is the product of Simmons-Smith of cis-2-butene?

Quiz: 1,2-Dimethylcyclopropane.

What is the product of Simmons-Smith of cyclohexene?

Quiz: Bicyclo[4.1.0]heptane.

What is the product of Simmons-Smith of norbornene?

Quiz: Tricyclo[3.2.1.0]octane derivative.

What is the product of Simmons-Smith reaction of cyclohexene?

Quiz: Simmons-Smith gives bicyclo[4.1.0]heptane.

What is the product of Simmons-Smith reaction?

Quiz: Simmons-Smith cyclopropanation of alkenes uses CH2I2/Zn-Cu.

What is the product of Skraup of 3-methylaniline?

Quiz: 7-Methylquinoline.

What is the product of Skraup of 4-chloroaniline?

Quiz: 6-Chloroquinoline.

What is the product of Skraup of 4-methylaniline?

Quiz: 6-Methylquinoline.

What is the product of Skraup of aniline?

Quiz: Quinoline.

What is the product of Skraup quinoline synthesis?

Quiz: Skraup gives quinolines from aniline and glycerol.

What is the product of Skraup synthesis?

Quiz: Skraup synthesis gives quinolines from anilines.

What is the product of Sommelet-Hauser of benzyltriethylammonium?

Quiz: ortho-Methylbenzylamine derivative.

What is the product of Sommelet-Hauser of benzyltrimethylammonium?

Quiz: ortho-Methylbenzylamine.

What is the product of Sommelet-Hauser rearrangement?

Quiz: Sommelet-Hauser gives ortho-substituted benzylamines.

What is the product of Sonogashira coupling of phenylacetylene with bromobenzene?

Quiz: Sonogashira gives diphenylacetylene.

What is the product of Sonogashira coupling?

Quiz: Sonogashira coupling forms C(sp2)-C(sp) bonds between aryl halides and terminal alkynes.

What is the product of Sonogashira of 2-bromopyridine and phenylacetylene?

Quiz: 2-(Phenylethynyl)pyridine.

What is the product of Sonogashira of 2-iodophenol and TMS-acetylene?

Quiz: 2-(Trimethylsilylethynyl)phenol.

What is the product of Staudinger reaction?

Quiz: Staudinger reaction of phosphines with azides gives iminophosphoranes.

What is the product of Steglich esterification of benzoic acid and methanol?

Quiz: Methyl benzoate.

What is the product of Stetter of 4-cyanobenzaldehyde and methyl vinyl ketone?

Quiz: 1,4-Diketone via umpolung.

What is the product of Stetter reaction of benzaldehyde and methyl acrylate?

Quiz: Methyl 4-oxo-4-phenylbutanoate.

What is the product of Stevens of benzyltriethylammonium ylide?

Quiz: N,N-Diethyl-2-phenylethylamine.

What is the product of Stevens rearrangement of benzyltrimethylammonium ylide?

Quiz: N,N-Dimethyl-2-phenylethylamine.

What is the product of Stevens rearrangement?

Quiz: Stevens gives rearranged amines from quaternary ammonium salts.

What is the product of Stille coupling of vinyltributyltin and 4-iodotoluene?

Quiz: 4-Methylstyrene.

What is the product of Stille coupling?

Quiz: Stille coupling forms C-C bonds using organotin reagents.

What is the product of Stille of 2-(tributylstannyl)furan and 4-bromobenzonitrile?

Quiz: 4-(2-Furyl)benzonitrile.

What is the product of Stille of 2-tributylstannylfuran and 4-bromobenzaldehyde?

Quiz: 4-(2-Furyl)benzaldehyde.

What is the product of Stille of 4-methylphenyltributyltin and bromobenzene?

Quiz: 4-Methylbiphenyl.

What is the product of Stille of phenyltributyltin and bromobenzene?

Quiz: Biphenyl.

What is the product of Stille of vinyltributyltin and bromobenzene?

Quiz: Styrene.

What is the product of Strecker synthesis of acetaldehyde?

Quiz: Alanine after hydrolysis.

What is the product of Strecker synthesis?

Quiz: Strecker synthesis produces amino acids from aldehydes, HCN, and ammonia.

What is the product of Sundberg indole synthesis of α-azido styrene?

Quiz: Indole.

What is the product of Suzuki coupling of 2-naphthylboronic acid and 4-iodotoluene?

Quiz: 2-(4-Methylphenyl)naphthalene.

What is the product of Suzuki coupling of 3-pyridylboronic acid and 4-bromotoluene?

Quiz: 3-(4-Methylphenyl)pyridine.

What is the product of Suzuki coupling of phenylboronic acid with bromobenzene?

Quiz: Suzuki coupling gives biphenyl.

What is the product of Suzuki-Miyaura of 4-bromotoluene and phenylboronic acid?

Quiz: 4-Methylbiphenyl.

What is the product of Swern oxidation of 1-butanol?

Quiz: Swern oxidation gives butanal.

What is the product of Swern oxidation of 1-hexanol?

Quiz: Hexanal.

What is the product of Swern oxidation?

Quiz: Swern oxidation converts primary alcohols to aldehydes without overoxidation.

What is the product of Takai olefination?

Quiz: Takai gives vinyl halides from aldehydes.

What is the product of Takeda olefination of benzaldehyde?

Quiz: Styrene via tellurium ylide.

What is the product of Tebbe reagent reaction?

Quiz: Tebbe reagent converts carbonyls to methylidenes.

What is the product of Tebbe reagent with cyclohexanone?

Quiz: Methylenecyclohexane.

What is the product of Tebbe reagent with ethyl acrylate?

Quiz: Ethyl cyclopropanecarboxylate.

What is the product of Tebbe with cyclopentanone?

Quiz: Methylenecyclopentane.

What is the product of TEMPO oxidation of 1-octanol?

Quiz: Octanal.

What is the product of Tiffeneau-Demjanov rearrangement of 1-aminomethylcyclohexanol?

Quiz: Cycloheptanone.

What is the product of Tiffeneau-Demjanov rearrangement?

Quiz: Tiffeneau-Demjanov ring-expands cycloalkanones.

What is the product of Tishchenko of acetaldehyde?

Quiz: Ethyl acetate.

What is the product of Tishchenko of benzaldehyde?

Quiz: Benzyl benzoate.

What is the product of Tishchenko of propanal?

Quiz: Propyl propionate.

What is the product of Tishchenko reaction?

Quiz: Tishchenko reaction of aldehydes gives esters using aluminum alkoxide.

What is the product of Tishchenko vs Cannizzaro?

Quiz: Tishchenko gives esters; Cannizzaro gives alcohol + carboxylate from non-enolizable aldehydes.

What is the product of Trost asymmetric allylic alkylation of cinnamyl acetate with dimethyl malonate?

Quiz: Chiral allyl malonate.

What is the product of Trost desymmetrization of meso-cyclopentene diol?

Quiz: Chiral monoacetate.

What is the product of Tsuji-Trost of 3-phenylallyl acetate and acetylacetone?

Quiz: 3-Phenyl-1,5-hexadiene-3-one derivative.

What is the product of Tsuji-Trost of allyl acetate and dimethyl malonate?

Quiz: Allyl dimethyl malonate.

What is the product of Tsuji-Trost of cinnamyl acetate and sodium malonate?

Quiz: Cinnamyl malonate.

What is the product of Tsuji-Trost of cyclohexenyl acetate and dimethyl malonate?

Quiz: Cyclohexenyl malonate.

What is the product of Tsuji-Trost reaction?

Quiz: Tsuji-Trost allylation uses Pd to form C-C bonds at allylic positions.

What is the product of Ugi of furfural, benzylamine, acetic acid, and cyclohexyl isocyanide?

Quiz: α-Acylamino amide.

What is the product of Ugi reaction of benzaldehyde, benzylamine, benzoic acid, and tert-butyl isocyanide?

Quiz: α-Acylamino amide.

What is the product of Ugi reaction?

Quiz: Ugi gives α-acylamino amides.

What is the product of Ullmann coupling of iodobenzene?

Quiz: Biphenyl.

What is the product of Ullmann coupling?

Quiz: Ullmann coupling gives biaryls from aryl halides.

What is the product of Ullmann of 4-iodoanisole?

Quiz: 4,4'-Dimethoxybiphenyl.

What is the product of Ullmann of 4-iodotoluene?

Quiz: 4,4'-Dimethylbiphenyl.

What is the product of Upjohn dihydroxylation of cyclohexene?

Quiz: cis-1,2-Cyclohexanediol.

What is the product of Van Leusen oxazole synthesis?

Quiz: Van Leusen synthesis converts aldehydes to oxazoles using tosylmethyl isocyanide.

What is the product of Vilsmeier-Haack reaction?

Quiz: Vilsmeier-Haack formylation introduces -CHO onto electron-rich aromatics.

What is the product of vinylogous aldol of 2-siloxyfuran and an aldehyde?

Quiz: Butenolide derivative.

What is the product of vinylogous Mukaiyama aldol of 2-siloxyfuran and benzaldehyde?

Quiz: Butenolide (5-hydroxy-2(5H)-furanone) derivative.

What is the product of von Braun reaction of N,N-diethylaniline?

Quiz: N-Cyano-N-ethylaniline.

What is the product of Wacker of styrene?

Quiz: Acetophenone.

What is the product of Wacker oxidation of 1-butene?

Quiz: 2-Butanone.

What is the product of Wacker oxidation of 1-octene?

Quiz: 2-Octanone.

What is the product of Wacker oxidation of propene?

Quiz: Acetone.

What is the product of Wacker oxidation of styrene?

Quiz: Acetophenone.

What is the product of Wacker oxidation?

Quiz: Wacker oxidation converts terminal alkenes to methyl ketones.

What is the product of Wagner-Meerwein rearrangement of camphene hydrochloride?

Quiz: Isobornyl chloride.

What is the product of Wagner-Meerwein rearrangement?

Quiz: Wagner-Meerwein is carbocation 1,2-shift in terpene chemistry.

What is the product of Wharton of testosterone epoxide?

Quiz: Allylic alcohol steroid.

What is the product of Wharton of α,β-epoxy ketone?

Quiz: Allylic alcohol.

What is the product of Wharton reaction?

Quiz: Wharton gives allylic α,β-epoxy ketones.

What is the product of Wharton transposition of α,β-epoxy ketone?

Quiz: Allylic alcohol.

What is the product of Williamson ether synthesis?

Quiz: Williamson synthesis couples alkoxides with primary alkyl halides.

What is the product of Williamson of sodium phenoxide and methyl iodide?

Quiz: Anisole.

What is the product of Williamson of sodium tert-butoxide and methyl iodide?

Quiz: Methyl tert-butyl ether.

What is the product of Williamson synthesis of sodium ethoxide and methyl iodide?

Quiz: Diethyl ether.

What is the product of Wittig reaction of cyclohexanone with methylenetriphenylphosphorane?

Quiz: Methylenecyclohexane.

What is the product of Wittig reaction with benzaldehyde?

Quiz: Wittig reaction gives styrene derivatives.

What is the product of Wittig reaction?

Quiz: Wittig reaction converts aldehydes/ketones to alkenes using phosphorus ylides.

What is the product of Wohl degradation of D-glucose?

Quiz: D-arabinose.

What is the product of Wohl degradation?

Quiz: Wohl degradation shortens aldoses by one carbon.

What is the product of Wohl of pentaacetyl-D-glucose?

Quiz: D-arabinose derivative.

What is the product of Wolff rearrangement of diazoacetophenone?

Quiz: Phenylketene.

What is the product of Wolff rearrangement?

Quiz: Wolff rearrangement gives ketenes from diazoketones.

What is the product of Wolff-Kishner of 2-butanone?

Quiz: Butane.

What is the product of Wolff-Kishner of benzaldehyde?

Quiz: Toluene.

What is the product of Wolff-Kishner of benzophenone?

Quiz: Diphenylmethane.

What is the product of Wolff-Kishner reduction of benzaldehyde?

Quiz: Wolff-Kishner reduction gives toluene.

What is the product of Wolff-Kishner reduction?

Quiz: Wolff-Kishner reduction converts C=O to CH2 using hydrazine/KOH.

What is the product of Wurtz coupling of bromobenzene?

Quiz: Biphenyl.

What is the product of Wurtz reaction with bromomethane?

Quiz: Wurtz coupling of bromomethane produces ethane.

What is the product of Yamaguchi esterification of benzoic acid and ethanol?

Quiz: Ethyl benzoate.

What is the psychotriasine structure?

Quiz: Indole alkaloid with β-carboline.

What is the pumiliotoxin C structure?

Quiz: 2,5-disubstituted decahydroquinoline alkaloid.

What is the quinocarcin citrate mechanism?

Quiz: DNA-cleaving antitumor antibiotic.

What is the quinocarcin mechanism?

Quiz: DNA cleavage via oxidative radical formation.

What is the rapamycin binding domain?

Quiz: FKBP12 protein binding to the triene macrocycle.

What is the rate law for an SN1 reaction?

Quiz: SN1 reactions follow first-order kinetics: rate = k[substrate].

What is the relationship between D and L configuration?

Quiz: Fischer projection conventions for sugars; not directly related to optical rotation.

What is the renieramycin biosynthetic origin?

Quiz: Polyketide synthase and nonribosomal peptide synthetase hybrid.

What is the renieramycin T structure?

Quiz: Tetrahydroisoquinoline alkaloid.

What is the reserpine mechanism?

Quiz: Irreversible inhibition of vesicular monoamine transporter.

What is the role of the acetal group in carbohydrate chemistry?

Quiz: Protects aldehydes, anomeric center in glycosides.

What is the role of the acyl group in acetic anhydride?

Quiz: Activated acyl donor in esterification and amidation.

What is the role of the aldehyde group in formaldehyde?

Quiz: Electrophile in nucleophilic addition, cross-linking agent.

What is the role of the amide bond in proteins?

Quiz: Provides structural rigidity, hydrogen bonding capability.

What is the role of the amino group in aniline?

Quiz: Activates aromatic ring toward electrophilic substitution (o,p-director).

What is the role of the aziridine ring in drug design?

Quiz: Strained ring for alkylation of biological targets.

What is the role of the benzene ring in drug molecules?

Quiz: Provides lipophilicity, π-stacking, structural rigidity.

What is the role of the Boc group in peptide synthesis?

Quiz: Protects amines, removed by TFA.

What is the role of the carbonyl group in acetone?

Quiz: Electrophilic center for nucleophilic addition reactions.

What is the role of the carboxyl group in acetic acid?

Quiz: Provides acidity (pKa ~4.76) and enables esterification.

What is the role of the carboxyl group in amino acids?

Quiz: Enables peptide bond formation, zwitterion formation.

What is the role of the catechol group in dopamine?

Quiz: Redox chemistry, metal chelation, receptor binding.

What is the role of the Cbz group in protecting groups?

Quiz: Protects amines, removed by hydrogenolysis.

What is the role of the chloro group in chlorobenzene?

Quiz: Weak deactivator, ortho/para director in EAS.

What is the role of the diazonium group in synthesis?

Quiz: Versatile intermediate for Sandmeyer, coupling reactions.

What is the role of the double bond in ethylene?

Quiz: Nucleophilic site, undergoes electrophilic addition.

What is the role of the epoxide ring in organic synthesis?

Quiz: Highly reactive electrophile, ring-opening reactions.

What is the role of the ester group in ethyl acetate?

Quiz: Leaving group in acyl substitution, solvent properties.

What is the role of the ether oxygen in diethyl ether?

Quiz: Lewis base, coordinates to Grignard reagents, polar aprotic solvent.

What is the role of the formyl group in benzaldehyde?

Quiz: Electrophile for nucleophilic addition, Cannizzaro substrate.

What is the role of the guanidinium group in arginine?

Quiz: Strong base (pKa ~12.5), salt bridge formation.

What is the role of the halogen in chloroform?

Quiz: Electron-withdrawing, enables alpha-elimination to dichlorocarbene.

What is the role of the hydroxyl group in ethanol?

Quiz: Enables hydrogen bonding, increases boiling point, and acts as nucleophile.

What is the role of the hydroxyl group in glycerol?

Quiz: Three alcohol groups for ester formation (triglycerides).

What is the role of the hydroxyl group in phenol?

Quiz: Activates aromatic ring, enables hydrogen bonding, weakly acidic.

What is the role of the imidazole group in histidine?

Quiz: General acid-base catalysis, metal coordination.

What is the role of the indole ring in tryptophan?

Quiz: Provides aromatic character, enables UV absorption.

What is the role of the isothiocyanate group?

Quiz: Reacts with amines to form thiourea linkages.

What is the role of the methoxy group in anisole?

Quiz: Strong activator, ortho/para director via resonance.

What is the role of the methyl group in toluene?

Quiz: Weak electron donor, activates ortho/para positions.

What is the role of the MOM group in protecting groups?

Quiz: Protects alcohols, removed by acid.

What is the role of the nitrile group in acetonitrile?

Quiz: Polar aprotic solvent, dipolarophile in cycloadditions.

What is the role of the nitro group in nitrobenzene?

Quiz: Strong electron-withdrawing group, deactivates aromatic ring.

What is the role of the organolithium group?

Quiz: Strong base and nucleophile, metal-halogen exchange.

What is the role of the phosphodiester group in DNA?

Quiz: Links nucleotides, provides backbone negative charge.

What is the role of the phosphonium group in Wittig reagents?

Quiz: Stabilizes ylide, enables olefination.

What is the role of the purine ring in ATP?

Quiz: Energy transfer via phosphoanhydride bonds.

What is the role of the pyridine ring in NAD+?

Quiz: Electron acceptor in redox reactions.

What is the role of the SEM group in protecting groups?

Quiz: Protects alcohols and amines, removed by fluoride.

What is the role of the silyl enol ether group?

Quiz: Nucleophilic enol equivalent in Mukaiyama aldol.

What is the role of the sulfate group in sulfate esters?

Quiz: Water solubility enhancement, leaving group in biological systems.

What is the role of the sulfonamide group in antibiotics?

Quiz: Mimics p-aminobenzoic acid, inhibits folate synthesis.

What is the role of the sulfonyl hydrazide group?

Quiz: Precursor to diazo compounds (Bamford-Stevens).

What is the role of the TBS group in protecting groups?

Quiz: Protects alcohols, removed by fluoride (TBAF).

What is the role of the thioester group in biochemistry?

Quiz: Activated acyl transfer in fatty acid metabolism.

What is the role of the thiol group in cysteine?

Quiz: Disulfide bond formation, metal coordination, redox chemistry.

What is the role of the tosyl group in organic synthesis?

Quiz: Excellent leaving group, activates alcohols for substitution.

What is the role of the triple bond in acetylene?

Quiz: Acidity of terminal proton, electrophilic addition.

What is the role of the xanthate group in Barton-McCombie?

Quiz: Radical precursor for deoxygenation.

What is the role of the β-lactam ring in penicillin?

Quiz: Strained amide that alkylates transpeptidase enzyme.

What is the ryanodine calcium release mechanism?

Quiz: Binds ryanodine receptor at nanomolar affinity.

What is the ryanodine mechanism of action?

Quiz: Modulates ryanodine receptor calcium channels.

What is the saframycin A mechanism?

Quiz: DNA alkylating agent via iminium ion.

What is the saframycin biosynthetic pathway?

Quiz: Nonribosomal peptide synthetase with Mannich-type cyclization.

What is the salinosporamide A warhead?

Quiz: β-Lactone that irreversibly inhibits the proteasome.

What is the saxitoxin binding site?

Quiz: Blocks voltage-gated sodium channels.

What is the scytophorin C structure?

Quiz: Macrocyclic polyketide.

What is the sithromycin mechanism?

Quiz: Ketolide with improved binding to ribosome.

What is the soblidotin structure?

Quiz: Dolastatin 10 analog.

What is the sphinxolide structure?

Quiz: Macrocyclic depsipeptide with unusual amino acids.

What is the spirotryprostatin A mechanism?

Quiz: Inhibits cell cycle at G2/M phase.

What is the spirotryprostatin structure?

Quiz: Spirooxindole pyrrolidinotryptoline alkaloid.

What is the staurosporine mechanism?

Quiz: ATP-competitive kinase inhibitor via indolocarbazole.

What is the stereocenter count in cholesterol?

Quiz: 8 stereocenters in the steroid skeleton.

What is the stereocenter count in laulimalide?

Quiz: 8 stereocenters in the macrocyclic ring.

What is the stereocenter count in pancratistatin?

Quiz: 6 stereocenters in the phenanthridine.

What is the stereocenter count in spongistatin 1?

Quiz: 24 stereocenters in the macrocyclic ring.

What is the stereocenter count in swinholide A?

Quiz: 18 stereocenters in the dimeric macrolide.

What is the stereocenter count in tautomycetin?

Quiz: 12 stereocenters in the macrolide.

What is the stereochemical outcome of E2 elimination?

Quiz: Anti-periplanar geometry required, giving E-alkene preferentially.

What is the stereochemical outcome of hydroboration-oxidation?

Quiz: Syn addition of H and OH with anti-Markovnikov regioselectivity.

What is the stereochemical outcome of ring-closing metathesis?

Quiz: Depends on ring size; E/Z selectivity varies.

What is the stereochemical outcome of SN2 reaction?

Quiz: Complete inversion of configuration at the electrophilic center (Walden inversion).

What is the stereochemical outcome of the Horner-Wadsworth-Emmons reaction?

Quiz: Selective formation of E-alkenes.

What is the stereochemical outcome of the Wittig reaction?

Quiz: Stabilized ylides give E-alkenes; unstabilized give Z-alkenes.

What is the stereochemical relationship between (R)- and (S)-2-butanol?

Quiz: Enantiomers (non-superimposable mirror images).

What is the stereochemical relationship of (R,R)- and (S,S)-tartaric acid?

Quiz: Enantiomers.

What is the stereochemical relationship of (R,R)-tartaric acid and (R,S)-tartaric acid?

Quiz: Diastereomers (meso form is R,S).

What is the stereochemistry of Birch reduction?

Quiz: Reduction gives non-conjugated 1,4-diene.

What is the stereochemistry of bromination of cyclohexene?

Quiz: Anti addition giving trans-1,2-dibromocyclohexane.

What is the stereochemistry of carbene addition to alkenes?

Quiz: Syn addition giving cis-cyclopropane.

What is the stereochemistry of catalytic hydrogenation of alkenes?

Quiz: Syn addition of H2 to the same face of the alkene.

What is the stereochemistry of Dess-Martin oxidation?

Quiz: Retention of configuration.

What is the stereochemistry of Diels-Alder endo product?

Quiz: Endo product is kinetically favored due to secondary orbital interactions.

What is the stereochemistry of epoxidation of cis-alkenes?

Quiz: Syn addition of oxygen gives cis-epoxide.

What is the stereochemistry of epoxide opening?

Quiz: Anti nucleophilic attack (SN2-like) at less substituted carbon.

What is the stereochemistry of Evans aldol?

Quiz: Using chiral oxazolidinones gives syn-aldol products selectively.

What is the stereochemistry of glycosylation reactions?

Quiz: α or β selectivity depends on anomeric effect and neighboring group participation.

What is the stereochemistry of Michael addition?

Quiz: Can be controlled with chiral catalysts for asymmetric version.

What is the stereochemistry of nucleophilic ring opening of epoxides?

Quiz: Anti addition (SN2-like) at less substituted carbon.

What is the stereochemistry of osmium tetroxide dihydroxylation?

Quiz: Syn addition of two OH groups to the same face of the alkene.

What is the stereochemistry of PCC oxidation?

Quiz: Retention of configuration.

What is the stereochemistry of peptide coupling?

Quiz: Racemization can occur at activated amino acid.

What is the stereochemistry of ring-opening of cyclic acetals?

Quiz: Anomeric effect and steric control.

What is the stereochemistry of Sharpless asymmetric dihydroxylation?

Quiz: Enantioselective syn dihydroxylation using AD-mix.

What is the stereochemistry of Sharpless epoxidation?

Quiz: Enantioselective epoxidation controlled by tartrate ligand.

What is the stereochemistry of Simmons-Smith cyclopropanation?

Quiz: Syn addition of CH2 to the same face of the alkene.

What is the stereochemistry of the [2,3]-Wittig rearrangement?

Quiz: Concerted suprafacial shift with predictable stereochemistry.

What is the stereochemistry of the aldol reaction?

Quiz: Can be syn or anti depending on enolate geometry and conditions.

What is the stereochemistry of the Baeyer-Villiger reaction?

Quiz: Migrating group retains configuration (retention).

What is the stereochemistry of the Baylis-Hillman reaction?

Quiz: Typically gives anti-products.

What is the stereochemistry of the Beckmann rearrangement?

Quiz: Anti-migrating group migrates with retention.

What is the stereochemistry of the Claisen rearrangement?

Quiz: [3,3]-Sigmatropic shift with chair-like transition state.

What is the stereochemistry of the Cope rearrangement?

Quiz: Suprafacial [3,3]-shift with chair-like transition state.

What is the stereochemistry of the Curtius rearrangement?

Quiz: Retention of configuration at migrating carbon.

What is the stereochemistry of the Danheiser benzannulation?

Quiz: Cyclopropane ring opening controls regioselectivity.

What is the stereochemistry of the Diels-Alder with chiral dienophiles?

Quiz: Endo rule applies, diastereoselective with chiral auxiliaries.

What is the stereochemistry of the Eschenmoser-Claisen?

Quiz: Chair-like TS gives γ,δ-unsaturated amide.

What is the stereochemistry of the Favorskii rearrangement?

Quiz: Inversion at the α-carbon.

What is the stereochemistry of the Hofmann rearrangement?

Quiz: Retention of configuration at migrating carbon.

What is the stereochemistry of the Ireland-Claisen?

Quiz: Chair-like TS gives anti-product with E-enolates.

What is the stereochemistry of the Johnson-Claisen?

Quiz: Chair-like TS controls product stereochemistry.

What is the stereochemistry of the Mitsunobu reaction?

Quiz: Complete inversion of configuration at alcohol carbon.

What is the stereochemistry of the Overman rearrangement?

Quiz: [3,3]-Sigmatropic shift with retention of allylic stereochemistry.

What is the stereochemistry of the Pauson-Khand reaction?

Quiz: Exo selectivity in intramolecular variant.

What is the stereochemistry of the pinacol rearrangement?

Quiz: Retention at migrating center.

What is the stereochemistry of the Prévost reaction?

Quiz: Anti dihydroxylation via iodonium intermediate.

What is the stereochemistry of the Robinson annulation?

Quiz: Trans-decalin system from chair-chair transition state.

What is the stereochemistry of the Schmidt reaction?

Quiz: Retention of configuration at migrating carbon.

What is the stereochemistry of the Swern oxidation?

Quiz: Retention of configuration at adjacent stereocenters.

What is the stereochemistry of the Woodward cis-hydroxylation?

Quiz: Syn dihydroxylation via iodonium ion.

What is the stereoselectivity of Luche reduction?

Quiz: Selective 1,2-reduction of enones to allylic alcohols.

What is the steric course of SNi?

Quiz: Retention of configuration via internal return.

What is the Still-Gennari modification of HWE?

Quiz: Phosphonate modification for Z-selective olefination.

What is the structure of anatoxin-a?

Quiz: Bicyclic amine alkaloid (2-acetyl-8-azabicyclo[4.2.1]nonane).

What is the structure of aplysiatoxin?

Quiz: Polyketide with spiroketal and phenol groups.

What is the structure of brevenal?

Quiz: Bicyclic ether natural product fromKarenia brevis.

What is the strychnine synthesis challenge?

Quiz: Seven rings including bridged system in minimal steps.

What is the swinholide A structure?

Quiz: Dimeric macrolide from Theonella.

What is the tanespimycin mechanism?

Quiz: Hsp90 inhibitor with resorcinol pharmacophore.

What is the taxol ABC ring junction?

Quiz: Fused [6-8-4] tricyclic ring system.

What is the telithromycin advantage over erythromycin?

Quiz: Ketolide with improved acid stability and binding.

What is the telithromycin mechanism?

Quiz: Ketolide that binds to 50S ribosomal subunit.

What is the tetrandrine structure?

Quiz: Bisbenzylisoquinoline alkaloid with two ether bridges.

What is the tetrodotoxin biosynthetic pathway?

Quiz: Polyketide synthase pathway with unique guanidinium group.

What is the tetrodotoxin mechanism?

Quiz: Potent sodium channel blocker.

What is the Thorpe-Ingold effect?

Quiz: Gem-dialkyl substitution favors ring closure.

What is the topermycin structure?

Quiz: Macrolactam antibiotic.

What is the Torquoselectivity?

Quiz: Preference for inward vs outward rotation in electrocyclic reactions.

What is the torsional strain effect on stereochemistry?

Quiz: Preference for staggered conformations affects product distribution.

What is the total number of stereocenters in bryostatin 1?

Quiz: 22 stereocenters across the macrocyclic ring.

What is the total stereocenter count in concanamycin A?

Quiz: 14 stereocenters in the macrolide.

What is the total stereocenter count in palytoxin?

Quiz: 64 stereocenters in the longest polyol chain.

What is the total stereocenter count in platensimycin?

Quiz: 5 stereocenters in the tetracyclic core.

What is the total stereocenter count in thapsigargin?

Quiz: 8 stereocenters in the guaiane skeleton.

What is the total synthesis strategy for azadirachtin?

Quiz: Corey synthesis featured intramolecular Diels-Alder and multiple protecting group strategies.

What is the total synthesis strategy for thapsigargin?

Quiz: Key steps include Ireland-Claisen, Evans aldol, and macrolactonization.

What is the trabectedin mechanism?

Quiz: Minor groove DNA binder with transcription inhibition.

What is the tulathromycin structure?

Quiz: Triamilide with extended macrolactone ring.

What is the tylosin biosynthetic pathway?

Quiz: Polyketide synthase producing 16-membered macrolide.

What is the tylosin mechanism of action?

Quiz: Macrolide binding to 50S ribosomal subunit.

What is the TZT-1027 structure?

Quiz: Auristatin derivative with improved properties.

What is the ulapualide A structure?

Quiz: Macrocyclic tris-oxazole natural product.

What is the vinblastine structure?

Quiz: Dimeric indole alkaloid from catharanthine and vindoline.

What is the vincristine difference from vinblastine?

Quiz: Formyl group replaces N-methyl on vindoline unit.

What is the wortmannin mechanism of action?

Quiz: Covalent inhibition of PI3-kinase via furan ring opening.

What is the xestocstatin structure?

Quiz: Protease inhibitor with macrocyclic ring.

What is the xestospongin C mechanism?

Quiz: Inositol 1,4,5-trisphosphate receptor antagonist.

What is the xestospongin C structure?

Quiz: Macrocyclic bis-1-oxaquinolizidine.

What is the yanucamide A structure?

Quiz: Cyclic depsipeptide.

What is the Zimmerman-Traxler model?

Quiz: Six-membered transition state in aldol that predicts stereochemistry.

What is topicity?

Quiz: Relationship between identical groups (enantiotopic, diastereotopic, homotopic).

What J-coupling pattern identifies the cis alkene in jasmonate?

Quiz: Vicinal coupling constant J = 10-12 Hz.

What key C-C bond formation was used in zoanthenol synthesis?

Quiz: Oxidative radical cyclization to close the pentacyclic system.

What key C-O bond formation was used in aplysiatoxin synthesis?

Quiz: Mitsunobu reaction to form the ester linkage.

What key reaction constructs the C1-C15 fragment of spongistatin?

Quiz: Suzuki or Stille coupling of vinyl boronate and vinyl iodide.

What macrocyclization method was employed in swinholide A total synthesis?

Quiz: Yamaguchi macrolactonization to form the 44-membered dilactone ring.

What makes a chiral molecule optically active?

Quiz: A chiral molecule rotates plane-polarized light due to its asymmetric structure.

What makes a molecule chiral?

Quiz: A molecule is chiral if it is non-superimposable on its mirror image.

What makes enantiomers different?

Quiz: Enantiomers are mirror images with identical physical properties except optical rotation.

What mass spec fragmentation at M-15 indicate?

Quiz: Loss of methyl group.

What mass spec fragmentation at M-18 indicate?

Quiz: Loss of water (common for alcohols).

What mass spec fragmentation at M-29 indicate?

Quiz: Loss of CHO (common for aldehydes) or C2H5.

What mass spec fragmentation at M-45 indicate?

Quiz: Loss of COOH (common for carboxylic acids).

What mass spectrometry confirms the molecular formula of paclitaxel?

Quiz: High-resolution MS at m/z 853.3306.

What mass spectrometry confirms the molecular weight of bryostatin 1?

Quiz: ESI-MS at m/z 905.5 [M+Na]+.

What mass spectrometry fragment confirms the lactone in lovastatin?

Quiz: Molecular ion at m/z 404 with loss of water at m/z 386.

What mass spectrometry identifies the halogen in halichondrin B?

Quiz: Isotope pattern for iodine at m/z 127.

What mass spectrometry method determines the absolute configuration?

Quiz: Vibrational circular dichroism spectroscopy.

What metathesis step was critical in amphidinolide T1 synthesis?

Quiz: Ring-closing metathesis to form the 14-membered macrolide ring.

What MS peak indicates the presence of chlorine in chloramphenicol?

Quiz: Isotope pattern with M and M+2 peaks in 3:1 ratio.

What NMR ROESY interaction confirms the macrocycle in rapamycin?

Quiz: Long-range NOE between C9-H and C32-H.

What NMR signal confirms the pyrrole ring in ryanodine?

Quiz: 1H NMR singlet at delta 6.0-7.0 ppm for pyrrole protons.

What oxygen-containing functional groups are in camptothecin?

Quiz: Lactone, pyridone, ester.

What palladium-catalyzed coupling was used in palitaxel synthesis?

Quiz: Suzuki coupling to attach the C13 side chain.

What palladium-catalyzed reaction was used in reserpine synthesis?

Quiz: Intramolecular Heck reaction to close the pentacyclic D ring.

What palladium-catalyzed reaction was used in strychnine synthesis?

Quiz: Intramolecular Heck reaction to form the seven-membered E ring.

What protecting group strategy was used in halichondrin B synthesis?

Quiz: TBS ethers and PMB ethers for selective hydroxyl protection.

What protecting group strategy was used in ryanodine total synthesis?

Quiz: Silyl ethers and acetals protected hydroxyl groups during macrocyclization.

What protecting group was used for the amine in epothilone B synthesis?

Quiz: Benzyloxycarbonyl (Cbz) protection during macrolactonization.

What protecting group was used for the diol in leucascandrolide A?

Quiz: Acetonide protection during the macrocyclization step.

What protecting group was used for the primary alcohol in rapamycin?

Quiz: TBDPS protection during the macrolactonization.

What protecting group was used in calyculin synthesis?

Quiz: TIPS and PMB groups for selective hydroxyl protection.

What radical cyclization was used in vinigrol synthesis?

Quiz: Stannyl radical cyclization to form the bicyclo[3.3.1]nonane.

What radical reaction was key in palau'amine synthesis?

Quiz: Intramolecular amidyl radical cyclization to form the diazabicyclic core.

What Raman band indicates the S-S bond in insulin?

Quiz: S-S stretch at 510-540 cm-1.

What rearrangement occurs in the Bergman cyclization of enediynes?

Quiz: 1,4-Benzyne diradical formation from enediyne.

What spectroscopic data confirms the structure of 1-butanol?

Quiz: IR: broad O-H at 3330 cm⁻¹; 1H NMR: triplet, multiplet, multiplet, triplet (CH2OH).

What spectroscopic data confirms the structure of 1-hexyne?

Quiz: IR: sharp C≡C at 2120 cm⁻¹, sharp C-H at 3310 cm⁻¹; 1H NMR: triplet (2H), singlet (1H, acetylenic).

What spectroscopic data confirms the structure of 1,2-ethanediol?

Quiz: IR: broad O-H at 3300 cm⁻¹; 1H NMR: singlet at δ 3.6 ppm (4H).

What spectroscopic data confirms the structure of 1,4-dioxane?

Quiz: 1H NMR: singlet at δ 3.7 ppm (all H equivalent); 13C NMR: one signal.

What spectroscopic data confirms the structure of 2-butanone?

Quiz: IR: C=O at 1715 cm⁻¹; 1H NMR: singlet (3H), quartet (2H), triplet (3H).

What spectroscopic data confirms the structure of 2-hexyne?

Quiz: IR: C≡C at 2200 cm⁻¹; 1H NMR: no terminal acetylenic proton.

What spectroscopic data confirms the structure of 2-methyl-2-propanol?

Quiz: IR: broad O-H at 3350 cm⁻¹; 1H NMR: singlet at δ 1.3 ppm (9H).

What spectroscopic data confirms the structure of 2-propanol?

Quiz: IR: broad O-H at 3350 cm⁻¹; 1H NMR: septet (1H), doublet (6H), singlet (OH).

What spectroscopic data confirms the structure of acetaldehyde?

Quiz: IR: C=O at 1730 cm⁻¹, Fermi doublet; 1H NMR: singlet at δ 9.8 ppm, doublet at δ 2.2 ppm.

What spectroscopic data confirms the structure of acetamide?

Quiz: IR: amide I at 1660 cm⁻¹, amide II at 1620 cm⁻¹; 1H NMR: broad NH2 at δ 6-8 ppm.

What spectroscopic data confirms the structure of acetone cyanohydrin?

Quiz: IR: broad O-H, C≡N at 2250 cm⁻¹; 1H NMR: singlet at δ 1.5 ppm (3H), singlet (OH).

What spectroscopic data confirms the structure of acetone?

Quiz: IR: strong C=O at 1715 cm⁻¹; 1H NMR: singlet at δ 2.1 ppm (6H); 13C NMR: two signals.

What spectroscopic data confirms the structure of acetonitrile?

Quiz: IR: C≡N at 2250 cm⁻¹; 1H NMR: singlet at δ 2.0 ppm.

What spectroscopic data confirms the structure of acrolein?

Quiz: IR: C=O at 1700 cm⁻¹; 1H NMR: aldehyde at δ 9.5 ppm, three vinyl protons at δ 5.9-6.4 ppm.

What spectroscopic data confirms the structure of acrylonitrile?

Quiz: IR: C≡N at 2230 cm⁻¹, C=C at 1610 cm⁻¹; 1H NMR: vinyl at δ 5.8-6.4 ppm.

What spectroscopic data confirms the structure of allyl alcohol?

Quiz: IR: broad O-H; 1H NMR: vinyl protons at δ 5.1-5.3 and 5.9 ppm, CH2OH at δ 4.0 ppm.

What spectroscopic data confirms the structure of aniline?

Quiz: IR: N-H stretches at 3300-3500 cm⁻¹; 1H NMR: δ 3.5 ppm (NH2), δ 6.5-7.2 ppm (aromatic).

What spectroscopic data confirms the structure of benzaldehyde?

Quiz: IR: C=O at 1700 cm⁻¹, Fermi doublet at 2720/2820 cm⁻¹; 1H NMR: singlet at δ 10 ppm.

What spectroscopic data confirms the structure of benzoic acid?

Quiz: IR: broad O-H 2500-3300 cm⁻¹, C=O at 1680 cm⁻¹; 13C NMR: carbonyl at δ 172 ppm.

What spectroscopic data confirms the structure of benzyl alcohol?

Quiz: IR: broad O-H at 3300 cm⁻¹; 1H NMR: singlet at δ 4.7 ppm (CH2), multiplet at δ 7.3 ppm.

What spectroscopic data confirms the structure of benzyl bromide?

Quiz: 1H NMR: singlet at δ 4.5 ppm (CH2), multiplet at δ 7.3 ppm; mass spec: M+ and M+2 in 1:1.

What spectroscopic data confirms the structure of benzyl chloride?

Quiz: 1H NMR: singlet at δ 4.6 ppm (CH2), multiplet at δ 7.3 ppm; mass spec: M+ and M+2 in 3:1.

What spectroscopic data confirms the structure of bromobenzene?

Quiz: 1H NMR: multiplet at δ 7.2-7.5 ppm; mass spec: M+ and M+2 in 1:1 ratio.

What spectroscopic data confirms the structure of carbon tetrachloride?

Quiz: 1H NMR: no signals; 13C NMR: signal at δ 96 ppm.

What spectroscopic data confirms the structure of chlorobenzene?

Quiz: 1H NMR: AA'BB' pattern at δ 7.2-7.4 ppm; mass spec: M+ and M+2 in 3:1 ratio.

What spectroscopic data confirms the structure of chloroform?

Quiz: 1H NMR: singlet at δ 7.3 ppm; 13C NMR: signal at δ 77 ppm (triplet with CDCl3).

What spectroscopic data confirms the structure of crotonaldehyde?

Quiz: IR: C=O at 1690 cm⁻¹ (conjugated); 1H NMR: aldehyde at δ 9.5 ppm, vinyl at δ 6.1-6.9 ppm.

What spectroscopic data confirms the structure of cyclohexanone?

Quiz: IR: C=O at 1715 cm⁻¹; 1H NMR: multiplets at δ 1.5-2.5 ppm; 13C NMR: carbonyl at δ 212 ppm.

What spectroscopic data confirms the structure of cyclohexene?

Quiz: IR: C=C at 1650 cm⁻¹, sp² C-H above 3000 cm⁻¹; 1H NMR: δ 5.6 ppm (vinyl).

What spectroscopic data confirms the structure of diethyl ether?

Quiz: IR: C-O at 1120 cm⁻¹; 1H NMR: triplet (6H), quartet (4H).

What spectroscopic data confirms the structure of dimethyl sulfoxide?

Quiz: IR: S=O at 1050 cm⁻¹; 1H NMR: singlet at δ 2.6 ppm.

What spectroscopic data confirms the structure of dimethylformamide?

Quiz: IR: C=O at 1670 cm⁻¹; 1H NMR: singlet at δ 2.9 ppm (NCH3), singlet at δ 8.0 ppm (CHO).

What spectroscopic data confirms the structure of ethanol?

Quiz: IR: broad O-H at 3350 cm⁻¹; 1H NMR: triplet (3H), quartet (2H), singlet (1H, exchangeable).

What spectroscopic data confirms the structure of ethyl acetate?

Quiz: IR: C=O at 1740 cm⁻¹; 1H NMR: singlet (3H), quartet (2H), triplet (3H).

What spectroscopic data confirms the structure of furan?

Quiz: 1H NMR: multiplets at δ 6.3-7.4 ppm; IR: C=C at 1500-1600 cm⁻¹.

What spectroscopic data confirms the structure of glycerol?

Quiz: IR: broad O-H at 3300 cm⁻¹; 1H NMR: complex multiplets at δ 3.4-3.9 ppm.

What spectroscopic data confirms the structure of hexanal?

Quiz: IR: C=O at 1725 cm⁻¹, Fermi doublet; 1H NMR: triplet at δ 9.8 ppm.

What spectroscopic data confirms the structure of iodobenzene?

Quiz: 1H NMR: multiplet at δ 7.0-7.8 ppm; mass spec: M+ at m/z 204.

What spectroscopic data confirms the structure of methyl acrylate?

Quiz: IR: C=O at 1725 cm⁻¹; 1H NMR: vinyl at δ 5.8-6.4 ppm, OCH3 singlet at δ 3.7 ppm.

What spectroscopic data confirms the structure of methyl benzoate?

Quiz: IR: C=O at 1725 cm⁻¹; 1H NMR: singlet at δ 3.9 ppm (OCH3), multiplet δ 7.4-8.0 ppm.

What spectroscopic data confirms the structure of methyl vinyl ketone?

Quiz: IR: C=O at 1680 cm⁻¹ (conjugated); 1H NMR: vinyl at δ 5.8-6.4 ppm, CH3CO singlet.

What spectroscopic data confirms the structure of naphthalene?

Quiz: 1H NMR: two multiplets at δ 7.4 and 7.8 ppm (AA'BB' system).

What spectroscopic data confirms the structure of nitromethane?

Quiz: IR: N-O at 1550 and 1370 cm⁻¹; 1H NMR: singlet at δ 4.3 ppm.

What spectroscopic data confirms the structure of phenol?

Quiz: IR: broad O-H at 3200-3550 cm⁻¹; 1H NMR: δ 6.8-7.3 ppm (aromatic).

What spectroscopic data confirms the structure of pyridine?

Quiz: 1H NMR: multiplets at δ 7.1-8.6 ppm; 13C NMR: four signals in aromatic region.

What spectroscopic data confirms the structure of tert-butyl alcohol?

Quiz: IR: broad O-H at 3350 cm⁻¹; 1H NMR: singlet at δ 1.3 ppm (9H), singlet (OH).

What spectroscopic data confirms the structure of tetrahydrofuran?

Quiz: 1H NMR: two triplets at δ 1.8 and 3.7 ppm; 13C NMR: two signals.

What spectroscopic data confirms the structure of thiophene?

Quiz: 1H NMR: multiplets at δ 7.0-7.4 ppm; mass spec: M+ at m/z 84.

What spectroscopic data confirms the structure of toluene?

Quiz: IR: C-H above 3000 cm⁻¹; 1H NMR: singlet at δ 2.3 ppm, multiplet at δ 7.2 ppm.

What spectroscopic data confirms the structure of triethylamine?

Quiz: 1H NMR: triplet at δ 1.0 ppm (9H), quartet at δ 2.5 ppm (6H); no IR carbonyl.

What spectroscopic method confirms a boronic acid?

Quiz: 11B NMR at δ 25-35 ppm; IR B-O at 1350-1400 cm⁻¹.

What spectroscopic method confirms a cyclic anhydride?

Quiz: IR: two C=O stretches at 1760 and 1820 cm⁻¹.

What spectroscopic method confirms a cyclopropane ring?

Quiz: 1H NMR: protons at δ 0.2-1.0 ppm (shielded).

What spectroscopic method confirms a furan ring?

Quiz: 1H NMR: protons at δ 6.3-7.4 ppm; UV λmax ~200 nm.

What spectroscopic method confirms a nitro group?

Quiz: IR: asymmetric N-O at 1530 cm⁻¹, symmetric at 1350 cm⁻¹.

What spectroscopic method confirms a silyl ether (TMS)?

Quiz: 1H NMR: singlet at δ 0.0-0.2 ppm (9H); 29Si NMR.

What spectroscopic method confirms a sulfone functional group?

Quiz: IR: S=O stretches at 1300-1350 and 1100-1150 cm⁻¹.

What spectroscopic method confirms a tert-butyl group?

Quiz: 1H NMR: singlet integrating to 9H.

What spectroscopic method confirms a thiophene ring?

Quiz: 1H NMR: protons at δ 7.0-7.4 ppm; mass spec M+ at m/z 84.

What spectroscopic method confirms a urea functional group?

Quiz: IR: C=O at 1630-1660 cm⁻¹; 1H NMR: broad NH.

What spectroscopic method confirms an aromatic ring?

Quiz: 1H NMR δ 6.5-8.5 ppm; IR 1500-1600 cm⁻¹; UV λmax > 200 nm.

What spectroscopic method confirms an isopropyl group?

Quiz: 1H NMR: doublet (6H) and septet (1H).

What spectroscopic method confirms an isothiocyanate group?

Quiz: IR: N=C=S at 2100-2140 cm⁻¹.

What spectroscopic method confirms para-disubstitution pattern?

Quiz: 1H NMR: AA'BB' pattern (two doublets) in aromatic region.

What spectroscopic method confirms presence of bromine in a compound?

Quiz: Mass spec: M+ and M+2 peaks in approximately 1:1 ratio.

What spectroscopic method confirms presence of chlorine?

Quiz: Mass spec: M+ and M+2 peaks in approximately 3:1 ratio.

What spectroscopic method confirms the 2-aminoimidazole in oroidin?

Quiz: IR N-H at 3300 cm⁻¹.

What spectroscopic method confirms the aldehyde in ircinal A?

Quiz: 1H NMR at δ 9.5-10.0 ppm.

What spectroscopic method confirms the all-carbon macrocycle in swinholide?

Quiz: High-resolution mass spectrometry.

What spectroscopic method confirms the aminobenzamide in luminespib?

Quiz: UV-Vis at 280 nm.

What spectroscopic method confirms the bicyclic system in anatoxin-a?

Quiz: 13C NMR and DEPT.

What spectroscopic method confirms the bis-guanidine in axinellamine?

Quiz: 13C NMR at δ 155-160 ppm.

What spectroscopic method confirms the bis-indole in dragmacidin D?

Quiz: UV-Vis at 220-350 nm.

What spectroscopic method confirms the boronic acid in bortezomib?

Quiz: 11B NMR at δ 25-35 ppm.

What spectroscopic method confirms the catechol in dopamine?

Quiz: UV-Vis at 280 nm and IR broad O-H stretch.

What spectroscopic method confirms the chlorinated center in merochlorin?

Quiz: 35Cl NMR or mass spec.

What spectroscopic method confirms the cyclopentane in palau'amine?

Quiz: 13C NMR at δ 30-40 ppm for the ring carbons.

What spectroscopic method confirms the decahydroquinoline in pumiliotoxin?

Quiz: 13C NMR and DEPT for the ring system.

What spectroscopic method confirms the depsipeptide in sphinxolide?

Quiz: IR at 1735 cm⁻¹ (ester) and 1650 cm⁻¹ (amide).

What spectroscopic method confirms the diazepane in naphthyridinomycin?

Quiz: 13C NMR at δ 50-65 ppm.

What spectroscopic method confirms the diene in discodermolide?

Quiz: UV absorption at 210-220 nm.

What spectroscopic method confirms the enol ether in kendomycin?

Quiz: 1H NMR vinyl proton at δ 6.0-6.5 ppm.

What spectroscopic method confirms the epoxide in cryptophycin?

Quiz: 1H NMR at δ 2.5-3.0 ppm.

What spectroscopic method confirms the epoxide in maytansine?

Quiz: 1H NMR at δ 2.5-3.0 ppm and 13C NMR at δ 50-60 ppm.

What spectroscopic method confirms the formate ester in brevenal?

Quiz: 1H NMR singlet at δ 8.0 ppm.

What spectroscopic method confirms the hemiacetal in tetrodotoxin?

Quiz: 1H NMR at δ 5.5-6.0 ppm and 13C NMR at δ 90-100 ppm.

What spectroscopic method confirms the hydroxyl groups in discodermolide?

Quiz: IR broad stretch at 3200-3600 cm⁻¹.

What spectroscopic method confirms the imine in pinnatoxin?

Quiz: 1H NMR at δ 7.5-8.0 ppm (C=N-H).

What spectroscopic method confirms the indole in lyngbyatoxin?

Quiz: UV-Vis at 220-290 nm.

What spectroscopic method confirms the indole in reserpine?

Quiz: UV-Vis at 220-290 nm.

What spectroscopic method confirms the macrocycle in auristatin?

Quiz: High-resolution mass spectrometry.

What spectroscopic method confirms the macrocycle in cryptophycin?

Quiz: High-resolution mass spectrometry.

What spectroscopic method confirms the macrocyclic imine in gymnodimine?

Quiz: 1H NMR at δ 7.5-8.0 ppm (C=N-H).

What spectroscopic method confirms the macrolactam in cyclosporine?

Quiz: 13C NMR amide carbonyls at δ 170-175 ppm.

What spectroscopic method confirms the macrolactone in lasonolide?

Quiz: IR at 1735 cm⁻¹ and 13C NMR ester carbonyl.

What spectroscopic method confirms the macrolactone in tylosin?

Quiz: IR at 1735 cm⁻¹.

What spectroscopic method confirms the macrolide in swinholide A?

Quiz: High-resolution mass spectrometry.

What spectroscopic method confirms the macrolide ring in epothilone?

Quiz: 13C NMR ester carbonyl at δ 170 ppm.

What spectroscopic method confirms the polyether in brevetoxin?

Quiz: 1H NMR ether protons at δ 3.5-4.5 ppm.

What spectroscopic method confirms the polyol chain in leucascandrolide?

Quiz: 1H NMR multiplets at δ 3.5-4.5 ppm.

What spectroscopic method confirms the polyol in dictyostatin?

Quiz: IR broad O-H at 3200-3600 cm⁻¹.

What spectroscopic method confirms the purine in ATP?

Quiz: UV absorption at 259 nm.

What spectroscopic method confirms the pyrrole in ryanodine?

Quiz: 1H NMR at δ 6.0-7.0 ppm and UV-Vis at 210 nm.

What spectroscopic method confirms the pyrroloindoline in flustramine?

Quiz: 1H NMR at δ 6.5-7.5 ppm.

What spectroscopic method confirms the resorcinol in tanespimycin?

Quiz: UV-Vis at 270 nm.

What spectroscopic method confirms the sulfate in okadaic acid?

Quiz: 33S NMR or elemental analysis for sulfur.

What spectroscopic method confirms the terminal alkyne in jamaicamide?

Quiz: IR at 2100-2150 cm⁻¹ and 3300 cm⁻¹.

What spectroscopic method confirms the tetrahydrofuran in amphidinolide T1?

Quiz: 13C NMR at δ 70-85 ppm.

What spectroscopic method confirms the tetrahydroisoquinoline in trabectedin?

Quiz: UV-Vis at 220-280 nm.

What spectroscopic method confirms the thiazole in epothilone?

Quiz: 13C NMR at δ 150 and 165 ppm.

What spectroscopic method confirms the triene in domoic acid?

Quiz: UV absorption at 265 nm.

What spectroscopic method confirms the tris-oxazole in ulapualide?

Quiz: 1H NMR at δ 7.0-8.0 ppm.

What spectroscopic method confirms the β-carboline in manzamine?

Quiz: UV-Vis at 220-370 nm and 1H NMR aromatic signals.

What spectroscopic method confirms the β-lactam in penicillin?

Quiz: IR at 1770-1780 cm⁻¹ (strained amide).

What spectroscopic method determines degree of unsaturation?

Quiz: Molecular formula calculation: DoU = (2C+2+N-H-X)/2.

What spectroscopic method determines if a compound is chiral?

Quiz: Optical rotation measurement or chiral HPLC.

What spectroscopic method determines the number of unique carbons?

Quiz: 13C NMR spectroscopy (count distinct signals).

What spectroscopic method distinguishes 1-propanol from 2-propanol?

Quiz: 1H NMR: 1-propanol has triplet CH2-OH; 2-propanol has septet.

What spectroscopic method distinguishes a primary from secondary alcohol?

Quiz: 1H NMR: primary has CH2-O; secondary has CH-O multiplet.

What spectroscopic method distinguishes acetal from hemiacetal?

Quiz: 1H NMR: acetal has two O-CH signals; hemiacetal has one O-CH and one OH.

What spectroscopic method distinguishes acetone from acetaldehyde?

Quiz: 1H NMR: acetaldehyde has aldehyde proton at δ 9.8 ppm.

What spectroscopic method distinguishes an aldehyde from a ketone?

Quiz: 1H NMR: aldehyde proton at δ 9-10 ppm; IR: Fermi doublet.

What spectroscopic method distinguishes an amine from an amide?

Quiz: IR: amine has N-H at 3300-3500 cm⁻¹; amide has C=O at 1630-1690 cm⁻¹.

What spectroscopic method distinguishes E from Z alkene?

Quiz: 1H NMR coupling constant: J(E) ≈ 12-18 Hz; J(Z) ≈ 6-12 Hz.

What spectroscopic method distinguishes ethanol from dimethyl ether?

Quiz: IR spectroscopy: ethanol shows O-H stretch at 3350 cm⁻¹.

What spectroscopic method distinguishes ethyl from propyl groups?

Quiz: 1H NMR: ethyl has triplet+quartet; propyl has triplet+multiplet+triplet.

What spectroscopic method distinguishes formate from acetate esters?

Quiz: 1H NMR: formate has singlet at δ 8.0 ppm (CHO).

What spectroscopic method distinguishes ortho from meta substitution?

Quiz: 1H NMR splitting pattern: ortho has two doublets; meta has singlet+doublet+triplet.

What spectroscopic method distinguishes phenol from cyclohexanol?

Quiz: 13C NMR: phenol has aromatic carbons at δ 115-160 ppm.

What spectroscopic method distinguishes primary from tertiary amine?

Quiz: 1H NMR: primary amine has two NH protons; tertiary has none.

What spectroscopic method distinguishes thapsigargin from its analogs?

Quiz: 1H NMR of the α,β-unsaturated lactone protons.

What spectroscopic method distinguishes vinyl from allyl protons?

Quiz: 1H NMR: vinyl protons at δ 4.5-6.5 ppm; allyl at δ 5.0-6.0 ppm.

What spectroscopic method identifies a carbamate group?

Quiz: IR: C=O at 1700-1740 cm⁻¹; 13C NMR: carbonyl at δ 155 ppm.

What spectroscopic method identifies a carboxylic acid?

Quiz: IR: broad O-H 2500-3300 cm⁻¹ and C=O at 1710 cm⁻¹.

What spectroscopic method identifies a hemiacetal?

Quiz: 1H NMR: anomeric proton at δ 4.5-5.5 ppm.

What spectroscopic method identifies a lactone ring?

Quiz: IR: C=O at 1735-1750 cm⁻¹; 13C NMR: ester carbonyl.

What spectroscopic method identifies a methoxy group on benzene?

Quiz: 1H NMR: singlet at δ 3.7-3.8 ppm (3H).

What spectroscopic method identifies a nitrile group?

Quiz: IR: C≡N stretch at 2210-2260 cm⁻¹.

What spectroscopic method identifies a phosphonate ester?

Quiz: 31P NMR at δ 20-30 ppm; IR P=O at 1200-1300 cm⁻¹.

What spectroscopic method identifies a pyridine ring?

Quiz: 1H NMR: protons at δ 7.1-8.6 ppm; mass spec M+ at m/z 79.

What spectroscopic method identifies a terminal alkyne?

Quiz: IR: sharp C-H at 3300 cm⁻¹ and C≡C at 2100-2150 cm⁻¹.

What spectroscopic method identifies a thiol group?

Quiz: IR: S-H stretch at 2550-2600 cm⁻¹ (weak).

What spectroscopic method identifies an allene functional group?

Quiz: IR: C=C=C asymmetric stretch at 1950-1980 cm⁻¹.

What spectroscopic method identifies an amide?

Quiz: IR: amide I (C=O) at 1630-1690 cm⁻¹ and amide II (N-H) at 1550-1640 cm⁻¹.

What spectroscopic method identifies an enol ether?

Quiz: IR: C=C at 1600-1680 cm⁻¹; 1H NMR: vinyl protons.

What spectroscopic method identifies an epoxide ring?

Quiz: 1H NMR: protons at δ 2.5-3.0 ppm; 13C NMR: δ 40-60 ppm.

What spectroscopic method identifies an ester functional group?

Quiz: IR: C=O at 1735-1750 cm⁻¹ and C-O at 1000-1300 cm⁻¹.

What spectroscopic method identifies an isocyanate group?

Quiz: IR: N=C=O at 2250-2270 cm⁻¹ (strong, sharp).

What spectroscopic method identifies gem-dimethyl groups?

Quiz: 1H NMR: two singlets each integrating to 3H.

What spectroscopic method identifies the 2-aminoimidazole in oroidin?

Quiz: 1H NMR at δ 6.5-7.0 ppm and IR N-H at 3300 cm⁻¹.

What spectroscopic method identifies the Adda amino acid in microcystin?

Quiz: Mass spec fragmentation pattern.

What spectroscopic method identifies the alkene geometry in discodermolide?

Quiz: 1H NMR coupling constants: J(E) ≈ 15 Hz.

What spectroscopic method identifies the amine in neopeltolide?

Quiz: 1H NMR broad singlet and IR N-H stretch.

What spectroscopic method identifies the amino sugar in callipeltoside?

Quiz: 1H NMR at δ 4.5-5.5 ppm (anomeric).

What spectroscopic method identifies the bromoaryl in jasplakinolide?

Quiz: Mass spec M+ and M+2 in 1:1 ratio.

What spectroscopic method identifies the chlorinated center in merochlorin?

Quiz: 35Cl NMR or mass spec isotope pattern.

What spectroscopic method identifies the cyclopentane in palau'amine?

Quiz: 13C NMR at δ 30-45 ppm.

What spectroscopic method identifies the depsipeptide bond in jasplakinolide?

Quiz: IR at 1735 cm⁻¹ (ester) and 1650 cm⁻¹ (amide).

What spectroscopic method identifies the dimeric structure in swinholide?

Quiz: High-resolution mass spectrometry.

What spectroscopic method identifies the enediyne in calicheamicin?

Quiz: UV-Vis absorption at 260-280 nm characteristic of enediyne.

What spectroscopic method identifies the enol ether in azadirachtin?

Quiz: 1H NMR vinyl proton at δ 6.0-6.5 ppm.

What spectroscopic method identifies the enol ether in kendomycin?

Quiz: 1H NMR vinyl proton at δ 6.0-6.5 ppm.

What spectroscopic method identifies the enone in kabiramide C?

Quiz: UV-Vis at 230-250 nm.

What spectroscopic method identifies the enone in rapamycin?

Quiz: IR at 1670 cm⁻¹ and UV at 260 nm.

What spectroscopic method identifies the epoxyketone in carfilzomib?

Quiz: IR at 1720 cm⁻¹ (ketone) and 1250 cm⁻¹ (epoxide).

What spectroscopic method identifies the furan in wortmannin?

Quiz: 1H NMR at δ 6.5-7.5 ppm and IR at 1500 cm⁻¹.

What spectroscopic method identifies the glycosidic bond in tylosin?

Quiz: 1H NMR anomeric proton at δ 4.5-5.5 ppm.

What spectroscopic method identifies the guanidinium in saxitoxin?

Quiz: 13C NMR at δ 155-160 ppm.

What spectroscopic method identifies the imidazole in dragmacidin D?

Quiz: 1H NMR at δ 7.0-8.0 ppm.

What spectroscopic method identifies the indolocarbazole in staurosporine?

Quiz: UV-Vis absorption at 200-450 nm.

What spectroscopic method identifies the isoquinoline in tetrandrine?

Quiz: UV-Vis at 280 nm.

What spectroscopic method identifies the macrolactone in aurilide?

Quiz: IR at 1735 cm⁻¹.

What spectroscopic method identifies the methyl ester in amphidinolide?

Quiz: 1H NMR singlet at δ 3.7 ppm.

What spectroscopic method identifies the oxazole in ulapualide?

Quiz: 1H NMR at δ 7.0-8.0 ppm and IR C=N at 1600 cm⁻¹.

What spectroscopic method identifies the oxazoline in neopeltolide?

Quiz: IR C=N at 1600 cm⁻¹.

What spectroscopic method identifies the oxetane in taxol?

Quiz: 1H NMR at δ 3.0-4.5 ppm and 13C NMR at δ 80-85 ppm.

What spectroscopic method identifies the piperazine in plerixafor?

Quiz: 1H NMR singlet at δ 2.8 ppm.

What spectroscopic method identifies the polyene in aplysiatoxin?

Quiz: UV-Vis at 230-280 nm.

What spectroscopic method identifies the pyrazine in bortezomib?

Quiz: 1H NMR at δ 8.5-9.0 ppm.

What spectroscopic method identifies the pyridine ring in NAD+?

Quiz: 1H NMR at δ 8.0-9.5 ppm.

What spectroscopic method identifies the pyrrolidine in kainic acid?

Quiz: 13C NMR at δ 60-70 ppm for the ring carbons.

What spectroscopic method identifies the pyrroloindoline in flustramine?

Quiz: 1H NMR at δ 6.5-7.5 ppm.

What spectroscopic method identifies the quinone in quinocarcin?

Quiz: UV-Vis at 260-350 nm.

What spectroscopic method identifies the quinone in saframycin?

Quiz: UV-Vis at 260-350 nm.

What spectroscopic method identifies the spiroketal in fidaxomicin?

Quiz: 13C NMR at δ 95-105 ppm.

What spectroscopic method identifies the spiroketal in pinnatoxin?

Quiz: 13C NMR at δ 95-105 ppm (acetal carbon).

What spectroscopic method identifies the spirooxindole in spirotryprostatin?

Quiz: 1H NMR singlet at δ 6.5-7.0 ppm.

What spectroscopic method identifies the spirotetronate in gymnodimine?

Quiz: 13C NMR at δ 90-105 ppm for the spiro center.

What spectroscopic method identifies the tetrahydrofuran in kendomycin?

Quiz: 13C NMR at δ 70-80 ppm.

What spectroscopic method identifies the thiazole in epothilone?

Quiz: 1H NMR at δ 8.5 ppm and 13C NMR at δ 150 ppm.

What spectroscopic method identifies the trichloromethyl in barbamide?

Quiz: Mass spec isotope pattern (3:1 ratio).

What spectroscopic method identifies the trisulfide in calicheamicin?

Quiz: Raman spectroscopy at 500-550 cm⁻¹.

What spectroscopic method identifies the vinyl iodide in swinholide precursors?

Quiz: Mass spec M+ isotope pattern.

What spectroscopic method identifies the β-carboline in manzamine A?

Quiz: UV-Vis at 220-370 nm.

What spectroscopic method identifies the β-lactone in salinosporamide?

Quiz: IR at 1820-1840 cm⁻¹.

What stereocontrolled method was used in pinnatoxin A synthesis?

Quiz: Asymmetric allylation and Ireland-Claisen rearrangement.

What strategy was used to construct the spiroketal in okadaic acid?

Quiz: Acid-catalyzed spiroketalization of a hydroxy ketone precursor.

What unusual reagent was used in spongistatin 1 synthesis?

Quiz: Brown allylboration to install the sensitive vinyl iodide.

What UV absorption confirms the porphyrin in hemin?

Quiz: Soret band at 390-410 nm and Q bands at 500-600 nm.

What UV-Vis absorption identifies the flavonoid in quercetin?

Quiz: Absorption at 257 and 374 nm.

What was the critical bond formation in rapamycin synthesis?

Quiz: Still-Gennari HWE macrocyclization to form the triene system.

What was the critical bond formation in tylosin synthesis?

Quiz: Friedel-Crafts acylation to form the macrolide ring.

What was the critical bond formation in vinblastine synthesis?

Quiz: Fischer indole synthesis to construct the indole fragment.

What was the critical C-N bond formation in vancomycin synthesis?

Quiz: Ullmann coupling to form the diaryl ether linkage.

What was the critical C-S bond formation in epothilone synthesis?

Quiz: Nozaki-Hiyama-Kishi coupling of the thiazole fragment.

What was the critical fragment coupling in spirastrellolide A synthesis?

Quiz: Julia-Kocienski olefination to join the C1-C14 and C15-C28 fragments.

What was the critical macrocyclization in laulimalide synthesis?

Quiz: Still-Gennari HWE reaction to form the macrocyclic enoate.

What was the critical ring closure in amanitin synthesis?

Quiz: Intramolecular disulfide bridge formation.

What was the critical ring closure in cylindrospermopsin synthesis?

Quiz: Intramolecular aza-Michael addition to form the guanidine ring.

What was the critical ring closure in kainic acid synthesis?

Quiz: Intramolecular [2,3]-Wittig rearrangement.

What was the critical ring closure in manzamine A synthesis?

Quiz: Aza-Diels-Alder cyclization forming the pentacyclic skeleton.

What was the critical ring closure in nakadomarine synthesis?

Quiz: Intramolecular Michael addition to form the azacyclic ring.

What was the critical ring closure in palitaxel synthesis?

Quiz: Intramolecular oxymercuration to form the oxetane ring.

What was the critical ring closure in sarcodonin synthesis?

Quiz: Intramolecular oxidative phenolic coupling.

What was the critical step in the synthesis of galanthamine?

Quiz: Intramolecular Heck reaction to form the benzazepine ring.

What was the critical step in the synthesis of indolactam V?

Quiz: Intramolecular amide bond formation to close the pyrrolidine ring.

What was the final step in the synthesis of brevenal?

Quiz: Global deprotection to reveal the bicyclic ether core.

What was the key bond formation in cylindrospermopsin synthesis?

Quiz: Intramolecular nitrone cycloaddition to form the tricyclic core.

What was the key C-C bond formation in palau'amine synthesis?

Quiz: Intramolecular [3+2] cycloaddition of a nitrone.

What was the key C-C bond formation in tautomycetin synthesis?

Quiz: Nozaki-Hiyama-Kishi coupling of the polyketide fragments.

What was the key C-N bond formation in dragmacidin D synthesis?

Quiz: Buchwald-Hartwig amination to form the bis-indole linkage.

What was the key C-O bond formation in amphidinolide F synthesis?

Quiz: Mitsunobu reaction to form the macrocyclic lactone.

What was the key fragment coupling in bryostatin 1 synthesis?

Quiz: Yamaguchi esterification coupling the C1-C16 and C17-C27 fragments.

What was the key fragment coupling in laulimalide synthesis?

Quiz: Takai olefination to join the C1-C13 and C14-C20 fragments.

What was the key fragment coupling in spirastrellolide A?

Quiz: Julia-Kocienski olefination of the vinyl sulfone fragment.

What was the key macrocyclization in leucascandrolide A synthesis?

Quiz: Still-Gennari HWE olefination to form the macrocyclic enoate.

What was the key macrocyclization in oleandolide synthesis?

Quiz: Yamaguchi macrolactonization of the seco-acid.

What was the key radical step in ginkgolide synthesis?

Quiz: Giese radical addition to form the quaternary carbon center.

What was the key retrosynthetic bond in FR901483 synthesis?

Quiz: Intramolecular Mannich reaction to construct the azatricyclic core.

What was the key retrosynthetic disconnection in brevetoxin B?

Quiz: Intramolecular Diels-Alder to form the polycyclic ether.

What was the key retrosynthetic disconnection in eleutherobin synthesis?

Quiz: Intramolecular Heck reaction to close the furan ring.

What was the key retrosynthetic disconnection in FR491758 synthesis?

Quiz: Intramolecular Diels-Alder to form the bicyclic core.

What was the key step in the Corey synthesis of ginkgolide B?

Quiz: Intramolecular aldol to form the hexacyclic cage structure.

What was the key step in the Nicolaou synthesis of brevetoxin B?

Quiz: Intramolecular Diels-Alder to form the polycyclic ether skeleton.

What was the key step in the synthesis of diazonamide A?

Quiz: Intramolecular Heck reaction to form the biaryl linkage.

What was the key step in the synthesis of eleutherobin?

Quiz: Intramolecular Heck reaction to close the furan ring.

What was the key step in the synthesis of FR182877?

Quiz: Intramolecular Diels-Alder to form the complex polycyclic skeleton.

What was the key step in the synthesis of halichondrin B?

Quiz: Nozaki-Hiyama-Kishi macrocyclization of the C14-C38 fragment.

What was the key step in the synthesis of kainic acid?

Quiz: Intramolecular [2,3]-Wittig rearrangement to form the pyrrolidine ring.

What was the key step in the synthesis of keramamide F?

Quiz: Macrolactamization to form the cyclic peptide core.

What was the key step in the synthesis of manzamine A?

Quiz: Intramolecular aza-Diels-Alder to form the beta-carboline ring.

What was the key step in the synthesis of nakadomarine?

Quiz: Intramolecular Diels-Alder to form the azatricyclic core.

What was the key step in the synthesis of pancratistatin?

Quiz: Overman rearrangement to install the amino group stereoselectively.

What was the key step in the synthesis of platensimycin?

Quiz: Intramolecular Diels-Alder to form the tetracyclic core.

What was the key step in the synthesis of thapsigargin?

Quiz: Intramolecular Diels-Alder to form the guaiane skeleton.

What was the key step in the total synthesis of domoic acid?

Quiz: Intramolecular Horner-Wadsworth-Emmons to form the triene system.

What was the key step in the total synthesis of salinosporamide A?

Quiz: Intramolecular aldol to form the bicyclic beta-lactone.

What was the key stereoselective step in rapamycin synthesis?

Quiz: Evans syn-aldol to set the C8 and C9 stereocenters.

What was the macrocyclization in altohyrtin C synthesis?

Quiz: Yamaguchi lactonization to form the macrocyclic ring.

What was the macrocyclization in altohyrtin synthesis?

Quiz: Yamaguchi lactonization of the seco-acid.

What was the macrocyclization in amphidinolide F synthesis?

Quiz: Keck macrocyclization using tin(IV) chloride.

What was the macrocyclization in amphidinolide T1 synthesis?

Quiz: Ring-closing metathesis to form the 14-membered macrocycle.

What was the macrocyclization in aplysiatoxin synthesis?

Quiz: Yamaguchi macrolactonization of the seco-acid.

What was the macrocyclization in calyculin A synthesis?

Quiz: Keck asymmetric allylation and Yamaguchi esterification.

What was the macrocyclization in concanamycin A synthesis?

Quiz: Still-Gennari HWE reaction to form the 18-membered macrolide.

What was the macrocyclization in laulimalide synthesis?

Quiz: Still-Gennari HWE olefination to form the macrocyclic enoate.

What was the macrocyclization in myriocin synthesis?

Quiz: Yamaguchi lactonization of the hydroxy acid precursor.

What was the macrocyclization in salinosporamide A synthesis?

Quiz: Intramolecular aldol cyclization of the keto ester.

What was the macrocyclization in sarcophytolide synthesis?

Quiz: Ring-closing metathesis of a diene precursor.

What was the macrocyclization in tautomycetin synthesis?

Quiz: Yamaguchi macrolactonization to form the polyketide macrocycle.

What was the macrocyclization method in rifamycin S synthesis?

Quiz: Intramolecular Friedel-Crafts acylation to close the ansa bridge.

What was the macrocyclization method in swinholide A synthesis?

Quiz: Yamaguchi lactonization of the seco-acid.

What was the pivotal transformation in halichondrin B synthesis?

Quiz: Nozaki-Hiyama-Kishi macrocyclization of the C14-C38 fragment.

What was the protecting group strategy in epothilone B synthesis?

Quiz: TBS and Cbz groups for selective protection.

What was the protecting group strategy in leucascandrolide A?

Quiz: Acetonide and TBS protection during macrocyclization.

What was the strategy for constructing the bis-guanidine in palau'amine?

Quiz: Sequential guanidinylation of the diamine precursor.

What was the strategy for constructing the guanidine in saxitoxin?

Quiz: Bischler-Napieralski cyclization followed by guanidine formation.

What was the strategy for constructing the spiroketal in spirastrellolide?

Quiz: Acid-catalyzed spiroketalization with concomitant stereoselection.

What was the strategy for the ansa bridge in geldanamycin synthesis?

Quiz: Intramolecular amide bond formation via macrolactamization.

What was the strategy for the central ring of thapsigargin?

Quiz: Intramolecular Diels-Alder to form the guaiane core.

What was the strategy for the macrocycle in spirastrellolide A?

Quiz: Yamaguchi macrolactonization of the seco-acid.

What was the total synthesis approach for bryostatin 7?

Quiz: Wittig olefination and Yamaguchi macrolactonization.

What was the total synthesis approach for FR901483?

Quiz: Intramolecular Mannich cyclization to form the azatricyclic core.

What was the total synthesis approach for morphine?

Quiz: Grewe cyclization to form the morphinan ring system.

What was the total synthesis strategy for aplysinopsin?

Quiz: Fischer indole synthesis followed by oxidation.

What was the total synthesis strategy for cephalotaxine?

Quiz: Pictet-Spengler cyclization and intramolecular Heck reaction.

What was the total synthesis strategy for ircinal A?

Quiz: Intramolecular Mannich reaction to form the pentacyclic ring system.

What was the total synthesis strategy for pancratistatin?

Quiz: Overman rearrangement to install the amino group.

What was the total synthesis strategy for zoanthenol?

Quiz: Intramolecular radical cyclization to form the pentacyclic core.

Which 13C NMR shift identifies the cyclopropyl in artemisinin?

Quiz: Cyclopropane carbons at delta 20-30 ppm.

Which 1H NMR shift indicates the indole NH in strychnine?

Quiz: Broad singlet at delta 8.0-9.0 ppm.

Which acid catalyst is used in esterification?

Quiz: Sulfuric acid is commonly used as a catalyst in Fischer esterification.

Which functional groups are found in azadirachtin?

Quiz: Enol ether, ester, hemiacetal, alcohol, alkene, tetrahydrofuran.

Which functional groups are in salinosporamide A?

Quiz: Beta-lactone, cyclopropyl, amide, chloride.

Which functional groups are present in FR901483?

Quiz: Pyrrolidine, lactam, alcohol, cyclopentane.

Which functional groups exist in spirastrellolide A?

Quiz: Macrolide, cyclopropane, polyol, ether, ester.

Which halogenated groups are in chloramphenicol?

Quiz: Dichloroacetamide, primary alcohol, nitro group.

Which instrument records IR spectra?

Quiz: A Fourier-transform infrared spectrometer records IR spectra.

Which instrument records mass spectra?

Quiz: A mass spectrometer with electron ionization (EI) records mass spectra.

Which intermediate is formed in the aldol condensation?

Quiz: Enolate anion followed by β-hydroxy carbonyl.

Which intermediate is formed in the Baeyer-Villiger oxidation?

Quiz: Criegee adduct (peroxyhemiacetal) followed by migration.

Which intermediate is formed in the Bamford-Stevens reaction?

Quiz: Carbene from tosylhydrazone salt.

Which intermediate is formed in the Barton reaction?

Quiz: δ-Nitroso alcohol from photolysis of nitrite ester.

Which intermediate is formed in the Baylis-Hillman reaction?

Quiz: Enolate from DABCO conjugate addition.

Which intermediate is formed in the Beckmann rearrangement?

Quiz: Nitrilium ion from anti-migration to nitrogen.

Which intermediate is formed in the Buchner reaction?

Quiz: Norcaradiene which opens to cycloheptatriene.

Which intermediate is formed in the Buchwald-Hartwig amination?

Quiz: Pd(II) amido complex before reductive elimination.

Which intermediate is formed in the Chugaev elimination?

Quiz: Xanthate ester which undergoes syn-elimination.

Which intermediate is formed in the Claisen rearrangement?

Quiz: Six-membered chair-like transition state with [3,3]-shift.

Which intermediate is formed in the Cope elimination?

Quiz: Amine oxide which undergoes syn-Ei elimination.

Which intermediate is formed in the Cope rearrangement?

Quiz: Six-membered transition state of [3,3]-sigmatropic shift.

Which intermediate is formed in the Corey-Chaykovsky reaction?

Quiz: Sulfur ylide epoxidation intermediate.

Which intermediate is formed in the Curtius rearrangement?

Quiz: Acyl nitrene which rearranges to isocyanate.

Which intermediate is formed in the Dakin oxidation?

Quiz: Hydroperoxide addition to aryl aldehyde.

Which intermediate is formed in the Diels-Alder reaction?

Quiz: Concerted transition state (no discrete intermediate).

Which intermediate is formed in the Eschenmoser-Claisen rearrangement?

Quiz: N,N-Dimethylacetamide ketene N,O-acetal.

Which intermediate is formed in the Favorskii rearrangement?

Quiz: Cyclopropanone from α-haloketone.

Which intermediate is formed in the Fischer esterification of acetic acid?

Quiz: Tetrahedral intermediate from protonated carboxylic acid and alcohol.

Which intermediate is formed in the Gomberg-Bachmann reaction?

Quiz: Aryl radical from diazonium salt.

Which intermediate is formed in the Grignard reaction?

Quiz: Alkoxide salt of magnesium before protonation.

Which intermediate is formed in the Grob fragmentation?

Quiz: Antiperiplanar arrangement for C-C bond cleavage.

Which intermediate is formed in the Hofmann rearrangement?

Quiz: N-Bromoamide which undergoes base-mediated rearrangement.

Which intermediate is formed in the Hunsdiecker reaction?

Quiz: Acyl hypobromite which undergoes radical decarboxylation.

Which intermediate is formed in the Ireland-Claisen rearrangement?

Quiz: Lithium enolate of allyl ester.

Which intermediate is formed in the Johnson-Claisen rearrangement?

Quiz: Orthoester-derived ketene acetal.

Which intermediate is formed in the Knoevenagel condensation?

Quiz: Knoevenagel adduct (aldol-like intermediate).

Which intermediate is formed in the Lossen rearrangement?

Quiz: Isocyanate from activated hydroxamic acid.

Which intermediate is formed in the Mannich reaction?

Quiz: Iminium ion from amine and formaldehyde.

Which intermediate is formed in the Michael addition?

Quiz: Enolate from 1,4-addition of nucleophile.

Which intermediate is formed in the Nazarov cyclization?

Quiz: Oxypentadienyl cation from divinyl ketone.

Which intermediate is formed in the Neber rearrangement?

Quiz: Azirinone ring from oxime tosylate.

Which intermediate is formed in the Overman rearrangement?

Quiz: Allylic trichloroacetimidate in [3,3]-shift.

Which intermediate is formed in the pinacol rearrangement?

Quiz: Carbocation after water loss from protonated diol.

Which intermediate is formed in the Pummerer rearrangement?

Quiz: Sulfonium ion from activated sulfoxide.

Which intermediate is formed in the Ramberg-Bäcklund reaction?

Quiz: Episulfone (thiirane S,S-dioxide).

Which intermediate is formed in the Reformatsky reaction?

Quiz: Zinc enolate from α-halo ester.

Which intermediate is formed in the Reimer-Tiemann reaction?

Quiz: Dichlorocarbene from chloroform and base.

Which intermediate is formed in the Robinson annulation?

Quiz: Michael adduct followed by aldol cyclization.

Which intermediate is formed in the Sandmeyer reaction?

Quiz: Arenediazonium cuprate complex.

Which intermediate is formed in the Schmidt reaction?

Quiz: Protonated ketone with azide addition.

Which intermediate is formed in the Shapiro reaction?

Quiz: Vinyl lithium from dianion of tosylhydrazone.

Which intermediate is formed in the Sommelet-Hauser rearrangement?

Quiz: Ammonium ylide with aromatic [2,3]-shift.

Which intermediate is formed in the Sonogashira coupling?

Quiz: Copper acetylide in the CuI co-catalytic cycle.

Which intermediate is formed in the Stetter reaction?

Quiz: Breslow intermediate (thiazolium-bound acyl anion).

Which intermediate is formed in the Stevens rearrangement?

Quiz: Ammonium ylide from quaternary ammonium salt.

Which intermediate is formed in the Tsuji-Trost reaction?

Quiz: Pd-π-allyl complex.

Which intermediate is formed in the Wagner-Meerwein rearrangement?

Quiz: Carbocation rearranged via 1,2-alkyl shift.

Which intermediate is formed in the Wittig reaction?

Quiz: Oxaphosphetane (four-membered ring with P and O).

Which intermediate is formed in the Wolff rearrangement?

Quiz: Carbene from diazoketone which rearranges to ketene.

Which IR band identifies the nitrile in citalopram?

Quiz: C triple bond N stretch at 2220 cm-1.

Which IR band identifies the urea in acetaminophen?

Quiz: N-H stretch at 3300 cm-1 and C=O at 1650 cm-1.

Which mass spectrometry method determines the disulfide in oxytocin?

Quiz: Reduction and alkylation followed by MS analysis.

Which MS fragment identifies the sugar in vancomycin?

Quiz: Loss of 162 Da (glucose) in fragmentation pattern.

Which nitrogen functional groups exist in strychnine?

Quiz: Tertiary amine, indole, amide.

Which NMR coupling constant indicates trans ring fusion in steroids?

Quiz: J between angular methyl and adjacent proton.

Which NMR experiment confirms the conformation of discodermolide?

Quiz: NOESY shows macrocyclic ring conformation.

Which NMR experiment maps the protein-ligand interaction in vancomycin?

Quiz: Saturation transfer difference (STD) NMR.

Which NOE interaction establishes stereochemistry in morphine?

Quiz: NOE between H-9 and H-10 confirms trans-fused ring junction.

Which product forms: cyclohexene + OsO4?

Quiz: OsO4 syn-dihydroxylation yields cis-1,2-cyclohexanediol.

Which reagent converts alcohols to alkyl halides?

Quiz: Thionyl chloride (SOCl2) converts alcohols to alkyl chlorides.

Which reagent converts carboxylic acids to esters?

Quiz: Acid-catalyzed Fischer esterification converts carboxylic acids to esters using an alcohol.

Which reagent oxidizes primary alcohols to aldehydes?

Quiz: PCC (pyridinium chlorochromate) stops oxidation at the aldehyde stage.

Which reagent performs Balz-Schiemann reaction?

Quiz: HBF4 converts diazonium salts to aryl fluorides.

Which reagent performs Burgess dehydration?

Quiz: Burgess reagent dehydrates alcohols to alkenes under mild conditions.

Which reagent performs Charette cyclopropanation?

Quiz: CH2I2/Zn-Cu/Et2Zn performs Charette asymmetric cyclopropanation.

Which reagent performs Crabtree hydrogenation?

Quiz: Crabtree catalyst [Ir(COD)(PCy3)(py)]PF6 performs homogeneous hydrogenation.

Which reagent performs Dess-Martin oxidation?

Quiz: Dess-Martin periodinane (DMP) oxidizes alcohols to aldehydes/ketones.

Which reagent performs Jacobsen epoxidation?

Quiz: Mn(salen) catalyst performs Jacobsen asymmetric epoxidation of unfunctionalized alkenes.

Which reagent performs Jones oxidation?

Quiz: Jones reagent (CrO3/H2SO4) oxidizes alcohols to carboxylic acids.

Which reagent performs Kharasch-Sosnovsky reaction?

Quiz: Cu catalyst/tert-butyl hydroperoxide performs allylic oxidation.

Which reagent performs Ley-Griffith oxidation?

Quiz: TPAP/NMO performs Ley-Griffith oxidation of alcohols.

Which reagent performs Luche reduction?

Quiz: CeCl3/NaBH4 performs Luche reduction (1,2-reduction of enones).

Which reagent performs Martin sulfurane dehydration?

Quiz: Martin sulfurane dehydrates alcohols without acid or base.

Which reagent performs Moffatt oxidation?

Quiz: DCC/DMSO performs Moffatt oxidation of alcohols to carbonyls.

Which reagent performs Noyori asymmetric hydrogenation?

Quiz: BINAP/Ru catalyst performs Noyori asymmetric hydrogenation.

Which reagent performs Oppenauer oxidation?

Quiz: Aluminum isopropoxide/acetone performs Oppenauer oxidation.

Which reagent performs Parikh-Doering oxidation?

Quiz: SO3·pyridine/DMSO performs Parikh-Doering oxidation of alcohols.

Which reagent performs Prévost-Woodward dihydroxylation?

Quiz: I2/AgOAc (Prévost) or I2/AgOAc/H2O (Woodward) dihydroxylate alkenes.

Which reagent performs Rieche formylation?

Quiz: Cl2CHOCH3/TiCl4 performs Rieche formylation of electron-rich aromatics.

Which reagent performs Saegusa oxidation?

Quiz: Saegusa oxidation converts silyl enol ethers to enones using Pd(OAc)2.

Which reagent performs Sharpless epoxidation?

Quiz: Sharpless epoxidation uses Ti(OiPr)4, (+)-DET, and TBHP for asymmetric epoxidation.

Which reagent performs Swern vs Dess-Martin?

Quiz: Both oxidize alcohols; Swern uses DMSO/oxalyl chloride, DMP uses periodinane.

Which reagent performs TEMPO oxidation?

Quiz: TEMPO/NaOCl selectively oxidizes primary alcohols to aldehydes.

Which reagent performs Upjohn dihydroxylation?

Quiz: OsO4 with NMO performs Upjohn dihydroxylation of alkenes.

Which reagent performs Wohl-Ziegler bromination?

Quiz: NBS with radical initiator performs allylic/benzylic bromination.

Which reagent reduces esters to alcohols?

Quiz: Lithium aluminum hydride (LiAlH4) reduces esters to primary alcohols.

Which reagent would convert 1-butene to 2-bromobutane?

Quiz: Hydrobromic acid (HBr) without peroxides (Markovnikov).

Which reagent would convert 1-hexanol to 1-chlorohexane?

Quiz: Thionyl chloride (SOCl2) or PCl3 or PBr3 then NaCl.

Which reagent would convert 1-hexyne to hexanal?

Quiz: Hydroboration-oxidation (Sia2BH then H2O2/NaOH, anti-Markovnikov).

Which reagent would convert 1,2-dibromoethane to acetylene?

Quiz: Excess KOH in ethanol (double dehydrohalogenation).

Which reagent would convert 1,3-cyclohexadiene to benzene?

Quiz: DDQ (2,3-dichloro-5,6-dicyano-1,4-benzoquinone) oxidation.

Which reagent would convert 2-butanone to butane?

Quiz: Zinc amalgam in HCl (Clemmensen) or N2H4/KOH (Wolff-Kishner).

Which reagent would convert 2-chloropropane to 2-methoxypropane?

Quiz: Sodium methoxide in methanol (SN2).

Which reagent would convert 2-nitrophenol to 2-aminophenol?

Quiz: SnCl2/HCl or catalytic hydrogenation (H2/Pd).

Which reagent would convert 2-vinylpyridine to 2-ethylpyridine?

Quiz: Catalytic hydrogenation (H2/Pd-C).

Which reagent would convert 2,4-pentanedione to 3,5-dimethylpyrazole?

Quiz: Hydrazine (N2H4) in ethanol.

Which reagent would convert 4-nitrotoluene to 4-aminobenzoic acid?

Quiz: SnCl2/HCl then KMnO4 oxidation of methyl group.

Which reagent would convert acetic acid to ethyl acetate?

Quiz: Ethanol with acid catalyst (Fischer esterification) or SOCl2 then EtOH.

Which reagent would convert acetic anhydride to N,N-dimethylacetamide?

Quiz: Dimethylamine (excess).

Which reagent would convert acetone to 2-propanol?

Quiz: Sodium borohydride (NaBH4) or lithium aluminum hydride (LiAlH4).

Which reagent would convert acetone to isopropylamine?

Quiz: NH3 with NaBH3CN (reductive amination).

Which reagent would convert acetone to pinacol?

Quiz: Magnesium amalgam in water (reductive coupling).

Which reagent would convert acetophenone to ethylbenzene?

Quiz: Zinc amalgam in HCl (Clemmensen reduction) or hydrazine/KOH.

Which reagent would convert acetyl chloride to acetic anhydride?

Quiz: Sodium acetate (nucleophilic acyl substitution).

Which reagent would convert adipic acid to cyclopentanone?

Quiz: Ba(OH)2 with heat (ketonic decarboxylation).

Which reagent would convert allyl alcohol to acrolein?

Quiz: PCC (pyridinium chlorochromate) oxidation.

Which reagent would convert allylbenzene to cinnamaldehyde?

Quiz: SeO2 oxidation (allylic oxidation) or CrO3.

Which reagent would convert aniline to N-methylaniline?

Quiz: Formaldehyde with NaBH3CN (reductive amination).

Which reagent would convert anthracene to 9,10-dihydroanthracene?

Quiz: Sodium in liquid ammonia (dissolving metal reduction).

Which reagent would convert benzaldehyde to benzoic acid?

Quiz: Potassium permanganate (KMnO4) or chromic acid or Tollens reagent.

Which reagent would convert benzamide to aniline?

Quiz: Br2/NaOH (Hofmann degradation) or LiAlH4 then H2O.

Which reagent would convert benzene to acetophenone?

Quiz: Acetyl chloride with AlCl3 (Friedel-Crafts acylation).

Which reagent would convert benzene to biphenyl?

Quiz: Phenylmagnesium bromide with CuI (Ullmann-type) or Pd-catalyzed.

Which reagent would convert benzene to bromobenzene?

Quiz: Bromine with FeBr3 catalyst (electrophilic aromatic substitution).

Which reagent would convert benzene to cyclohexane?

Quiz: Catalytic hydrogenation: H2 with Pt or Pd/C or Ni catalyst.

Which reagent would convert benzene to cyclohexene?

Quiz: Birch reduction (Na/NH3) followed by protonation.

Which reagent would convert benzenesulfonyl chloride to sulfanilic acid?

Quiz: NH3 (ammonolysis) then rearrangement.

Which reagent would convert benzonitrile to benzamide?

Quiz: Concentrated sulfuric acid with water (partial hydrolysis).

Which reagent would convert benzoyl chloride to benzophenone?

Quiz: Phenylmagnesium bromide (Grignard) then H3O+.

Which reagent would convert benzyl alcohol to benzaldehyde?

Quiz: PCC (pyridinium chlorochromate) or Dess-Martin periodinane.

Which reagent would convert benzyl chloride to phenylacetonitrile?

Quiz: Sodium cyanide (NaCN) in DMSO (SN2 reaction).

Which reagent would convert borneol to camphor?

Quiz: Jones reagent (CrO3/H2SO4) or PCC.

Which reagent would convert bromobenzene to benzenethiol?

Quiz: NaSH in DMF (SN2 at sp2? No, via benzyne).

Which reagent would convert camphor to isoborneol?

Quiz: NaBH4 reduction (endo attack preferred).

Which reagent would convert carbon tetrachloride to chloroform?

Quiz: Zinc dust in water or NaBH4 (reduction).

Which reagent would convert chlorobenzene to phenol?

Quiz: NaOH at high temperature/pressure (Dow process) or NaOH/dioxane.

Which reagent would convert chloroform to dichlorocarbene?

Quiz: Potassium tert-butoxide (strong base, α-elimination).

Which reagent would convert cinnamic acid to hydrocinnamic acid?

Quiz: Catalytic hydrogenation (H2/Pd-C).

Which reagent would convert citral to geraniol?

Quiz: Selective reduction of aldehyde: NaBH4 or DIBAL-H.

Which reagent would convert coumarin to chroman-2-one?

Quiz: Catalytic hydrogenation of the double bond.

Which reagent would convert cyclohexanol to cyclohexanone?

Quiz: Chromic acid (H2CrO4) or PCC or Dess-Martin periodinane.

Which reagent would convert cyclohexanone oxime to ε-caprolactam?

Quiz: Beckmann rearrangement conditions: conc. H2SO4 or PCl5.

Which reagent would convert cyclohexanone to cyclohexanone ethylene ketal?

Quiz: Ethylene glycol with acid catalyst (p-TsOH).

Which reagent would convert cyclohexene oxide to cyclohexanone?

Quiz: Lewis acid catalyzed isomerization (LiClO4 or BF3).

Which reagent would convert cyclohexene oxide to trans-1,2-cyclohexanediol?

Quiz: Aqueous acid (H3O+) hydrolysis.

Which reagent would convert cyclohexene to cyclohexyl bromide?

Quiz: HBr (Markovnikov addition) or NBS.

Which reagent would convert cyclohexene to trans-1,2-cyclohexanediol?

Quiz: m-Chloroperoxybenzoic acid (MCPBA) then H3O+.

Which reagent would convert cyclohexyl bromide to cyclohexyl azide?

Quiz: Sodium azide (NaN3) in DMF (SN2).

Which reagent would convert cyclohexyl chloride to cyclohexene?

Quiz: Potassium tert-butoxide in DMSO (E2 elimination).

Which reagent would convert cyclohexylamine to N-cyclohexylacetamide?

Quiz: Acetic anhydride or acetyl chloride.

Which reagent would convert cyclopentanone to cyclopentylamine?

Quiz: NH3 with NaBH3CN (reductive amination).

Which reagent would convert cyclopentene to cyclopentane carbaldehyde?

Quiz: Hydroformylation (CO/H2 with Rh catalyst).

Which reagent would convert cyclopropane to propane?

Quiz: Catalytic hydrogenation (H2/Pt) or HBr (ring opening).

Which reagent would convert diethyl ether to ethanol?

Quiz: Concentrated HI (cleavage of ether).

Which reagent would convert diethyl malonate to cyclopentanecarboxylic acid?

Quiz: NaOEt, 1,4-dibromobutane, then hydrolysis/decarboxylation.

Which reagent would convert diethylamine to tetraethylammonium iodide?

Quiz: Excess ethyl iodide (quaternization).

Which reagent would convert ethanol to diethyl ether?

Quiz: Concentrated sulfuric acid at 140°C (Williamson conditions).

Which reagent would convert ethyl acetoacetate to 3-methyl-2-butanone?

Quiz: Acetoacetic ester synthesis: NaOEt, CH3I, then hydrolysis/decarboxylation.

Which reagent would convert ethyl acetoacetate to acetone?

Quiz: Dilute acid or base hydrolysis followed by decarboxylation.

Which reagent would convert ethyl bromide to triethylamine?

Quiz: Excess ethylamine (SN2) or reduction of acetonitrile.

Which reagent would convert ethyl cyanoacetate to ethyl acetoacetate?

Quiz: Methyl iodide with base (alkylation) then hydrolysis.

Which reagent would convert ethylene to ethylene oxide?

Quiz: Peroxyacid (mCPBA) or silver-catalyzed oxidation with O2.

Which reagent would convert formaldehyde to pentaerythritol?

Quiz: Excess acetaldehyde with formaldehyde in base (aldol).

Which reagent would convert furan to 2,5-dimethoxy-2,5-dihydrofuran?

Quiz: Methanol with NBS or bromine in methanol.

Which reagent would convert glucose to gluconic acid?

Quiz: Bromine water (Br2/H2O) or glucose oxidase.

Which reagent would convert glucose to sorbitol?

Quiz: Catalytic hydrogenation (H2/Ni) or NaBH4.

Which reagent would convert glutaraldehyde to cyclopentene?

Quiz: Intramolecular Wittig or reduction/cyclization.

Which reagent would convert indole to 3-bromoindole?

Quiz: N-Bromosuccinimide (NBS) at low temperature.

Which reagent would convert isobutylene to tert-butyl alcohol?

Quiz: Dilute H2SO4 (acid-catalyzed hydration, Markovnikov).

Which reagent would convert limonene to carvone?

Quiz: SeO2 oxidation at allylic position.

Which reagent would convert maleic acid to fumaric acid?

Quiz: HBr or HI catalyzed isomerization (thermodynamic control).

Which reagent would convert methyl acetate to methanol and acetic acid?

Quiz: NaOH/H2O (saponification) or acid hydrolysis.

Which reagent would convert methyl benzoate to benzyl alcohol?

Quiz: Lithium aluminum hydride (LiAlH4) in ether.

Which reagent would convert methylamine to tetramethylammonium chloride?

Quiz: Excess methyl chloride (exhaustive methylation).

Which reagent would convert naphthalene to 1,4-dihydronaphthalene?

Quiz: Birch reduction (Na/NH3/EtOH).

Which reagent would convert nitrobenzene to aniline?

Quiz: Tin(II) chloride (SnCl2/HCl) or catalytic hydrogenation (H2/Pd).

Which reagent would convert norbornene to norbornane?

Quiz: Catalytic hydrogenation (H2/Pd-C).

Which reagent would convert p-xylene to terephthalic acid?

Quiz: KMnO4 in basic solution with heat (side-chain oxidation).

Which reagent would convert phenanthrene to 9,10-dihydrophenanthrene?

Quiz: Catalytic hydrogenation (H2/Pd) or dissolving metal reduction.

Which reagent would convert phenetole to phenol and iodoethane?

Quiz: Concentrated HI (ether cleavage).

Which reagent would convert phenol to 2,4,6-tribromophenol?

Quiz: Bromine water (Br2/H2O) at room temperature.

Which reagent would convert phenylacetic acid to phenylacetamide?

Quiz: SOCl2 then NH3 or CDI coupling.

Which reagent would convert phenylacetylene to acetophenone?

Quiz: Aqueous HgSO4/H2SO4 (Markovnikov hydration).

Which reagent would convert propanoic acid to propanamide?

Quiz: Thionyl chloride then ammonia, or DCC coupling with NH3.

Which reagent would convert propene to 1-propanol?

Quiz: Hydroboration-oxidation (BH3 then H2O2/NaOH).

Which reagent would convert propene to 2-propanol?

Quiz: Dilute sulfuric acid (acid-catalyzed hydration) or oxymercuration.

Which reagent would convert pyridine to N-oxidopyridine?

Quiz: m-Chloroperoxybenzoic acid (mCPBA) or H2O2/acetic acid.

Which reagent would convert pyrrole to N-methylpyrrole?

Quiz: Methyl iodide with base (SN2 on nitrogen).

Which reagent would convert salicylaldehyde to methyl salicylate?

Quiz: CH2N2 (diazomethane) or MeOH/H+ (esterification).

Which reagent would convert styrene to 1-phenylethanol?

Quiz: Dilute H2SO4 (Markovnikov hydration) or oxymercuration.

Which reagent would convert styrene to 2-phenylethanol?

Quiz: Hydroboration-oxidation (BH3 then H2O2/NaOH).

Which reagent would convert styrene to styrene oxide?

Quiz: m-Chloroperoxybenzoic acid (MCPBA) in CH2Cl2.

Which reagent would convert succinic anhydride to succinic acid?

Quiz: Water (hydrolysis) at room temperature.

Which reagent would convert sucrose to glucose and fructose?

Quiz: Dilute acid (HCl) hydrolysis or invertase enzyme.

Which reagent would convert tert-butyl methyl ether to methanol and isobutylene?

Quiz: Concentrated HBr or H2SO4 (acid-catalyzed cleavage).

Which reagent would convert tetrahydrofuran to 1,4-dibromobutane?

Quiz: PBr3 or HBr (ring opening).

Which reagent would convert thiophene to 2-thiophenecarboxylic acid?

Quiz: n-BuLi then CO2 (directed metalation).

Which reagent would convert toluene to benzyl bromide?

Quiz: N-Bromosuccinimide (NBS) with radical initiator or Br2/hv.

Which reagent would convert vanillin to vanillyl alcohol?

Quiz: NaBH4 or LiAlH4 (selective reduction of aldehyde).

Which reducing agent converts esters to alcohols?

Quiz: Lithium aluminum hydride (LiAlH4) reduces esters to primary alcohols.

Which solvent is used in Friedel-Crafts reactions?

Quiz: Dichloromethane or nitrobenzene are common solvents for Friedel-Crafts reactions.

Which spectroscopic method identifies the furan in ranitidine?

Quiz: 1H NMR furan protons at delta 6.2-7.5 ppm.

Which spectroscopic technique identifies functional groups?

Quiz: IR spectroscopy identifies functional groups by measuring bond vibrations.

Which spectroscopic technique identifies the epoxide in artemisinin?

Quiz: 1H NMR at delta 3.3-3.5 ppm and 13C NMR at delta 50-60 ppm.

Which technique determines absolute configuration?

Quiz: X-ray crystallography with anomalous dispersion determines absolute configuration.

Which technique determines molecular connectivity?

Quiz: 2D NMR techniques like COSY and HMBC determine molecular connectivity.

Which technique determines molecular weight?

Quiz: Mass spectrometry determines molecular weight and molecular formula.

Which technique determines protein structure?

Quiz: X-ray crystallography and cryo-EM determine protein 3D structure.

Which technique measures bond angles?

Quiz: X-ray crystallography measures precise bond angles and distances.

Which technique measures bond strengths?

Quiz: UV-Vis spectroscopy measures electronic transitions related to bond strengths.

Which technique measures chirality?

Quiz: Optical rotation and circular dichroism measure molecular chirality.

Which technique measures conformation?

Quiz: NOESY NMR and computational methods determine molecular conformation.

Which technique measures crystal packing?

Quiz: Solid-state NMR and X-ray diffraction measure crystal packing.

Which technique measures crystal structure?

Quiz: Powder X-ray diffraction determines crystal structure and unit cell parameters.

Which technique measures dynamic processes?

Quiz: Variable-temperature NMR measures conformational exchange and dynamic processes.

Which technique measures hydrogen bonding?

Quiz: IR spectroscopy and 2D NMR measure hydrogen bonding interactions.

Which technique measures intermolecular interactions?

Quiz: NOESY and ROESY NMR measure through-space intermolecular interactions.

Which technique measures isotopic patterns?

Quiz: Mass spectrometry measures isotopic abundance patterns for element identification.

Which technique measures molecular formula?

Quiz: High-resolution mass spectrometry determines exact molecular formula.

Which technique measures molecular orbitals?

Quiz: UV-Vis spectroscopy provides information about molecular orbital transitions.

Which technique measures molecular weight distribution?

Quiz: GPC/SEC measures molecular weight distribution of polymers.

Which technique measures reaction intermediates?

Quiz: Time-resolved spectroscopy detects transient reaction intermediates.

Which technique measures reaction kinetics?

Quiz: Stopped-flow spectroscopy measures fast reaction kinetics.

Which technique measures reaction mechanism?

Quiz: Isotopic labeling studies reveal reaction mechanisms.

Which technique measures solution structure?

Quiz: Solution NMR spectroscopy determines molecular structure in solution state.

Which technique measures spin-spin coupling?

Quiz: 1H NMR spectroscopy measures spin-spin coupling constants (J-values).

Which technique measures steric effects?

Quiz: NMR spectroscopy and X-ray crystallography quantify steric interactions.

Which technique measures surface composition?

Quiz: XPS (X-ray photoelectron spectroscopy) measures surface elemental composition.

Which type of isomerism does 2-butene exhibit?

Quiz: 2-Butene exhibits cis-trans (geometric) isomerism.

Which UV absorption identifies the coumarin in warfarin?

Quiz: UV max at 282 nm and 330 nm.

Which UV-Vis absorption identifies the chromophore in doxorubicin?

Quiz: Anthraquinone absorption at 254, 480, and 590 nm.

Which X-ray method confirms the structure of penicillin G?

Quiz: Single crystal X-ray diffraction of the beta-lactam ring.

Which X-ray technique determines the absolute stereochemistry?

Quiz: Anomalous dispersion X-ray crystallography.

2D NMR Techniques Quiz

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5S Quiz

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Ab Initio Methods Quiz

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Accelerated Stability Quiz

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Acid Chloride Reactions Quiz

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Acid-Base Chemistry Quiz

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Acid-Base Strength Quiz

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Addition Polymerization Quiz

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Addition Reactions Quiz

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Adhesive Chemistry Quiz

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ADMET Properties Advanced Quiz

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ADMET Properties Quiz

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Adverse Event Reporting Quiz

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Air Monitoring Quiz

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Air Pollution Chemistry Quiz

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Alcohol and Ether Chemistry Quiz

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Alcohol Reactions Quiz

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ALD Chemistry Quiz

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Aldehyde and Ketone Chemistry Quiz

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Aldehyde Reactions Quiz

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Aldol Reaction Quiz

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Alkaloid Biosynthesis Quiz

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Alkaloid Chemistry Quiz

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Alkane and Cycloalkane Quiz

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Alkane Reactions Quiz

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Alkene and Alkyne Quiz

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Alkene Reactions Quiz

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Alkyne Reactions Quiz

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Amide Reactions Quiz

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Amine Reactions Quiz

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Amino Acid Chemistry Quiz

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Analytical Method Validation Quiz

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ANDA Quiz

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Andon Quiz

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Anhydride Reactions Quiz

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Aramid Chemistry Quiz

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Aromatic Chemistry Quiz

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Aromatic Reactions Quiz

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Astrochemistry Quiz

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Asymmetric Catalysis Quiz

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Atmospheric Chemistry Quiz

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ATRP Polymerization Quiz

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AUC Calculation Quiz

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Audit Readiness Quiz

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Authorized Representative Quiz

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Azide and Nitro Chemistry Quiz

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Baeyer-Villiger Quiz

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Battery Chemistry Quiz

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Battery Electrolyte Quiz

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BCRP Quiz

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BCS Classification Quiz

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Beckmann Rearrangement Quiz

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Bioavailability Assessment Quiz

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Biodegradable Polymers Quiz

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Bioequivalence Quiz

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Bioinorganic Chemistry Quiz

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Bioisosterism Quiz

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Biological Exposure Indices Quiz

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Biomass Conversion Quiz

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Biomaterials Chemistry Quiz

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Biowaiver Criteria Quiz

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Calibration Quiz

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CAPA Quiz

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Carbohydrate Chemistry Quiz

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Carbohydrate Reactions Quiz

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Carbon Capture Chemistry Quiz

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Carbon Fiber Chemistry Quiz

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Carbon Nanotube Chemistry Quiz

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Carbon-Carbon Bond Formation Quiz

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Carbon-Heteroatom Bond Formation Quiz

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Carbonyl Chemistry Quiz

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Carboxylic Acid Derivatives Quiz

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Carboxylic Acid Reactions Quiz

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Catalyst Recycling Quiz

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Catalyst Selection Quiz

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Cellulose Chemistry Quiz

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CEP Quiz

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CERCLA Quiz

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Change Control Quiz

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Chemical Incompatibility Quiz

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Chemiluminescence Quiz

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Chirality Recognition Quiz

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Chitin Chemistry Quiz

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Claisen Rearrangement Quiz

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Clay Chemistry Quiz

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Clinical Trial Phases Quiz

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Cmax Assessment Quiz

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CO2 Utilization Chemistry Quiz

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Coating Chemistry Quiz

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Cocrystal Formation Quiz

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Colloid Chemistry Quiz

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Colloidal Chemistry Quiz

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Communication Plan Quiz

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Compartmental Modeling Quiz

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Computational Chemistry Quiz

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Condensation Polymerization Quiz

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Conducting Polymers Quiz

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Conformational Analysis Quiz

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Consent Decree Quiz

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Continuous Improvement Quiz

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Controlled Radical Polymerization Quiz

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Coordination Chemistry Quiz

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Cope Rearrangement Quiz

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Corrective Action Quiz

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Corrosion Chemistry Quiz

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Cosmetic Chemistry Quiz

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Crosslinking Chemistry Quiz

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CSOS Quiz

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Curtius Rearrangement Quiz

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CVD Chemistry Quiz

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DEA Form 222 Quiz

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Dear Healthcare Professional Letter Quiz

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Deposition Chemistry Quiz

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Deviation Management Quiz