ASYMMETRIC-SYNTHESIS OF BETA-LACTAMS AND N-BENZOYL-3-PHENYLISOSERINES VIA THE STAUDINGER REACTION

被引:56
作者
GEORG, GI
MASHAVA, PM
AKGUN, E
MILSTEAD, MW
机构
[1] Department of Medicinal Chemistry University of Kansas, Lawrence
关键词
D O I
10.1016/S0040-4039(00)79708-5
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Reaction of benzaldimine 5 derived from 2,3,4,6-tetra-O-acetyl-beta-D-galactoseamine with acid chloride 6 yields cis beta-lactam 7 as a single diastereoisomer. Hydrolysis of beta-lactam 7 followed by N-benzoylation provides access toward N-benzoyl-(2S,3R)-3-phenylisoserine 9. N-Benzoyl-3-phenylisoserines are important building blocks for the semi-synthesis of the anti-cancer agent taxol.
引用
收藏
页码:3151 / 3154
页数:4
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