ALPHA-HYDROXY ESTERS AS INEXPENSIVE CHIRAL AUXILIARIES IN RHODIUM(II)-CATALYZED CYCLOPROPANATIONS WITH VINYLDIAZOMETHANES

被引：47

作者：

DAVIES, HML

CANTRELL, WR

机构：

[1] Department of Chemistry, Wake Forest University, Winston-Salem, NC 27109

来源：

TETRAHEDRON LETTERS | 1991年 / 32卷 / 45期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0040-4039(91)80206-L

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

High levels of asymmetric induction were achieved in rhodium(II) catalyzed cyclopropanations with chiral vinyldiazomethanes. (R)-(-)-Pantolactone is the most effective chiral auxiliary, but other alpha-hydroxy esters also give reasonable levels of diastereoselectivity.

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页码：6509 / 6512

页数：4

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