A new class of asymmetric phase-transfer catalysts derived from Cinchona alkaloids - Application in the enantioselective synthesis of alpha-amino acids

被引：386
|
作者：
Lygo, B
Wainwright, PG
机构：
[1] Department of Chemistry, University of Salford, Salford
来源：
TETRAHEDRON LETTERS | 1997年 / 38卷 / 49期
关键词：
D O I：
10.1016/S0040-4039(97)10293-3
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
A new class of Cinchona alkaloid-derived quaternary ammonium phase-transfer catalysts bearing a N-anthracenylmethyl function are presented. These catalysts show high stereocontrol in the asymmetric alkylation of a benzophenone-derived glycine-imine, and application of this process to the enantioselective synthesis of a range of alpha-amino acid esters (e.e. 67-94%) is investigated. (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：8595 / 8598
页数：4
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