2006 Archives

alpha-Bromination, acid chlorides, 2,2,4,7-tetrabromonaphthalen-1(2H)-one, 2,4,7-tribromonaphthalen-1-yl 2-substituted-2-bromoacetates, 6′-methoxy-(8α,9R)-Cinchonan-9-ol 9-[1-(1,1-dimethylethyl) (2R)-1,2-pyrrolidinedicarboxylate], Quinine Derivative

by Anna-Lena Hartmann | Apr 21, 2023

The optimization of a practical, catalytic, asymmetric process for the α-bromination of acid chlorides to produce synthetically versatile, optically active α-bromoesters is reported. A range of products is produced in high enantioselectivity and moderate to good...

Mannich reaction, benzyl ((4-methoxyphenyl)(tosyl)methyl)carbamate, bis(4-methoxyphenyl) malonate, bis(4-methoxyphenyl) (S)-2-((((benzyloxy)carbonyl)amino)(4-methoxyphenyl)methyl)malonate, 9-hydroxy-6′-methoxy-1-[[2-(trifluoromethyl)phenyl]methyl]-cinchonanium bromide, Quinine Derivative

by werner@buchler-gmbh.com | Mar 20, 2023

Aza-Henry, (Nitro-Mannich), tert-butyl (E)-(4-chlorobenzylidene)carbamate, nitromethane, tert-butyl (S)-(1-(4-chlorophenyl)-2-nitroethyl)carbamate, N-[3,5-Bis(trifluoromethyl)phenyl]-N′- [(8α,9S)-6′-methoxycinchonan-9-yl]thiourea, Quinine Derivative

by werner@buchler-gmbh.com | Mar 9, 2023

Epoxidation, (E)-(2-(phenylsulfonyl)vinyl)benzene, potassium hypochlorite, (2R,3R)-2-phenyl-3-(phenylsulfonyl)oxirane, (8α,9R)-1-(9-anthracenylmethyl)-9-[(3-fluorophenyl)methoxy]-10,11-dihydro-Cinchonanium bromide, Dihydrocinchonidine Derivative

by Anna-Lena Hartmann | Dec 1, 2022

Aza-Michael Addition, 1H-benzo[d][1,2,3]triazole, nitroalkenes, 1-(1-substituted-2-nitroethyl)-1H-benzo[d][1,2,3]triazole, Cupreidine Base

by Anna-Lena Hartmann | Oct 10, 2022