Asymmetric cyclopropanation of olefins with diazoacetate using chiral copper catalysts

被引：37
|
作者：
Ichiyanagi, T [1 ]
Shimizu, M [1 ]
Fujisawa, T [1 ]
机构：
[1] MIE UNIV, DEPT CHEM MAT, TSU, MIE 514, JAPAN
来源：
TETRAHEDRON | 1997年 / 53卷 / 28期
关键词：
D O I：
10.1016/S0040-4020(97)00644-3
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Chiral 2-(2-aryl- or 2-alkyl-sufonylamino)phenyl-4-phenyl-1,3-oxazolines were found to be effective ligands for copper-catalyzed enantioselective cyclopropanation reaction of olefins. The reaction of styrene with d-menthyl diazoacetate in the presence of optically active copper catalysts gave cyclopropanation products in a ratio of irans: cis = 83 : 17 with 63% ee (trans) and 84% ee (cis). (C) 1997 Elsevier Science Ltd.
引用
收藏
页码：9599 / 9610
页数：12
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