Steric and electronic effects of substrates and rhodium chiral catalysts in asymmetric cyclopropanation

被引：0

作者：

Yoshikawa, K ^{[1
]}

Achiwa, K ^{[1
]}

机构：

[1] UNIV SHIZUOKA, SCH PHARMACEUT SCI, SHIZUOKA 422, JAPAN

来源：

CHEMICAL & PHARMACEUTICAL BULLETIN | 1995年 / 43卷 / 12期

关键词：

catalytic asymmetric cyclopropanation; rhodium complex; vinyldiazomethane; chiral N-acyl pyrrolidine; 1-chloro-1-fluoroethylene; styrene;

D O I：

暂无

中图分类号：

R914 [药物化学];

学科分类号：

100701 ;

摘要：

We have prepared several new, efficient, chiral N-acylpyrrolidine carboxylic acid ligands for dirhodium-catalyzed asymmetric cyclopropanation and found that the steric and electronic effects of the rhodium(II) complexes and substrates influenced the enantioselectivity and catalytic activity. These electron-rich catalysts were shown to be efficient for asymmetric cyclopropanation using 1-chloro-1-fluoroethylene as a substrate.

引用

页码：2048 / 2053

页数：6

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