Spirocyclization, N/C-substituted 2-(2-oxoindolin-3-ylidene)malononitrile, cyclopent-2-en-1-one, N/C-substituted (S)-2-(2-oxo-3-(5-oxocyclopent-1-en-1-yl)indolin-3-yl)malononitrile, 2-mercaptobenzoic acid, (9S)-9-hydroxy-1-(phenylmethyl)-cinchonanium bromide, Cinchonine DerivativeSpirocyclization Bromolactonization, alpha,beta-unsaturated ketones, N-bromosuccinimide, (3S)-substituted 3,4-dihydroisocumarin, N-(9R)-cinchonan-9-yl-N′-(4-methoxy-2,3-dimethylphenyl)-urea, Cinchonine DerivativeBromination, Cyclization, Lactonization alpha-Hydroxylation, beta-dicarbonyl compounds, beta-dicarbonyl-alphahydroxyl compounds, (9S)-1-[(3,5-dibromophenyl)methyl]-9-hydroxy-cinchonanium-1′-oxide bromide, Cinchonine DerivativeHydroxylation Difluoromethylation, β-keto esters, (bromodifluoromethyl)trimethylsilane, substituted 2-(difluoromethyl)-1-oxo-2,3-dihydro-1H-indene-2-carboxylate, (9S)-1-[(3,5-dibromophenyl)methyl]-9-hydroxy-2′-[4-(trifluoromethyl)phenyl]-cinchonanium bromide, Cinchonine DerivativeFluorination, Fluoromethylation Fluorination, 4-substituted pyrazolones, N-fluorbenzolsulfonimid, 2,4,5-trisubstituted 4-fluoro-2,4-dihydro-3H-pyrazol-3-one, (9S)-1-[2-[[2-(1,1-dimethylethyl)phenyl]amino]-2-oxoethyl]-9-hydroxy-cinchonanium bromide, Cinchonine Derivativealpha-Fluorination, Fluorination Michael Addition, C-succinimidyl esters, nitro olefins, substituted methyl (S)-1-butyl-3-((S)-2-nitro-ethyl)-2,5-dioxopyrrolidine-3-carboxylate, N-[3,5-bis(trifluoromethyl)phenyl]-N′-(9R)-cinchonan-9-yl-thiourea, Cinchonine DerivativeMichael, Michael Addition Aza-Michael Addition, (R,E)-2-(3-oxo-3-(pyrrolidin-1-yl)prop-1-en-1-yl)-N-(1-phenylethyl)benzamide, (S)-3-(2-oxo-2-(pyrrolidin-1-yl)ethyl)-2-((R)-1-phenylethyl)isoindolin-1-one, (9S)-1-[[4-(1,1-dimethylethyl)phenyl]methyl]-9-hydroxy-cinchonanium bromide, Cinchonine DerivativeAza-Michael, Cyclization, Further Cyclizations, Intramolecular Aza-Michael, Intramolecular cyclization, Michael Addition Atropisomer Synthesis, 1-(2-(1-naphthoyl)phenyl)-3-(o-tolyl)propan-2-one, acetic anhydride, (1S,2R)-2-(o-tolyl)-[1,1′-binaphthalen]-3-yl acetate, (9S)-9-hydroxy-1-(phenylmethyl)- cinchonanium bromide, Cinchonine DerivativeAtropisomer synthesis, Cyclization, Further Cyclizations, Intramolecular cyclization Michael Addition, 4-methyloxazole-2(3H)-thione, (E)-4-phenylbut-3-en-2-one, (R)-4-(4-methyl-2-thioxo-2,3-dihydrooxazol-5-yl)-4-phenylbutan-2-one, (9R)-cinchonan-9-amine, Cinchonine DerivativeMichael, Michael Addition Michael Addition, malonates, nitroolefins, substituted (R)-(1-nitropropan-2-yl)benzene, (9S)-(9′′S)-1,1′′-[[2,2-bis[[4-[[(9S)-9-hydroxycinchonanium-1-yl]methyl]phenoxy]methyl]-1,3-propanediyl]bis(methyleneoxy-4,1-phenylenemethylene)]bis[9-hydroxy-cinchonanium bromide (1:4), Cinchonine DerivativeMichael, Michael Addition« Older EntriesNext Entries »
Spirocyclization, N/C-substituted 2-(2-oxoindolin-3-ylidene)malononitrile, cyclopent-2-en-1-one, N/C-substituted (S)-2-(2-oxo-3-(5-oxocyclopent-1-en-1-yl)indolin-3-yl)malononitrile, 2-mercaptobenzoic acid, (9S)-9-hydroxy-1-(phenylmethyl)-cinchonanium bromide, Cinchonine DerivativeSpirocyclization
Bromolactonization, alpha,beta-unsaturated ketones, N-bromosuccinimide, (3S)-substituted 3,4-dihydroisocumarin, N-(9R)-cinchonan-9-yl-N′-(4-methoxy-2,3-dimethylphenyl)-urea, Cinchonine DerivativeBromination, Cyclization, Lactonization
alpha-Hydroxylation, beta-dicarbonyl compounds, beta-dicarbonyl-alphahydroxyl compounds, (9S)-1-[(3,5-dibromophenyl)methyl]-9-hydroxy-cinchonanium-1′-oxide bromide, Cinchonine DerivativeHydroxylation
Difluoromethylation, β-keto esters, (bromodifluoromethyl)trimethylsilane, substituted 2-(difluoromethyl)-1-oxo-2,3-dihydro-1H-indene-2-carboxylate, (9S)-1-[(3,5-dibromophenyl)methyl]-9-hydroxy-2′-[4-(trifluoromethyl)phenyl]-cinchonanium bromide, Cinchonine DerivativeFluorination, Fluoromethylation
Fluorination, 4-substituted pyrazolones, N-fluorbenzolsulfonimid, 2,4,5-trisubstituted 4-fluoro-2,4-dihydro-3H-pyrazol-3-one, (9S)-1-[2-[[2-(1,1-dimethylethyl)phenyl]amino]-2-oxoethyl]-9-hydroxy-cinchonanium bromide, Cinchonine Derivativealpha-Fluorination, Fluorination
Michael Addition, C-succinimidyl esters, nitro olefins, substituted methyl (S)-1-butyl-3-((S)-2-nitro-ethyl)-2,5-dioxopyrrolidine-3-carboxylate, N-[3,5-bis(trifluoromethyl)phenyl]-N′-(9R)-cinchonan-9-yl-thiourea, Cinchonine DerivativeMichael, Michael Addition
Aza-Michael Addition, (R,E)-2-(3-oxo-3-(pyrrolidin-1-yl)prop-1-en-1-yl)-N-(1-phenylethyl)benzamide, (S)-3-(2-oxo-2-(pyrrolidin-1-yl)ethyl)-2-((R)-1-phenylethyl)isoindolin-1-one, (9S)-1-[[4-(1,1-dimethylethyl)phenyl]methyl]-9-hydroxy-cinchonanium bromide, Cinchonine DerivativeAza-Michael, Cyclization, Further Cyclizations, Intramolecular Aza-Michael, Intramolecular cyclization, Michael Addition
Atropisomer Synthesis, 1-(2-(1-naphthoyl)phenyl)-3-(o-tolyl)propan-2-one, acetic anhydride, (1S,2R)-2-(o-tolyl)-[1,1′-binaphthalen]-3-yl acetate, (9S)-9-hydroxy-1-(phenylmethyl)- cinchonanium bromide, Cinchonine DerivativeAtropisomer synthesis, Cyclization, Further Cyclizations, Intramolecular cyclization
Michael Addition, 4-methyloxazole-2(3H)-thione, (E)-4-phenylbut-3-en-2-one, (R)-4-(4-methyl-2-thioxo-2,3-dihydrooxazol-5-yl)-4-phenylbutan-2-one, (9R)-cinchonan-9-amine, Cinchonine DerivativeMichael, Michael Addition
Michael Addition, malonates, nitroolefins, substituted (R)-(1-nitropropan-2-yl)benzene, (9S)-(9′′S)-1,1′′-[[2,2-bis[[4-[[(9S)-9-hydroxycinchonanium-1-yl]methyl]phenoxy]methyl]-1,3-propanediyl]bis(methyleneoxy-4,1-phenylenemethylene)]bis[9-hydroxy-cinchonanium bromide (1:4), Cinchonine DerivativeMichael, Michael Addition
