Highly stereoselective cyclopropanation of diazo Weinreb amides catalyzed by chiral Ru(II)-Amm-Pheox complexes

被引：25
|
作者：
Chanthamath, Soda [1 ]
Mandour, Hamada S. A. [1 ]
Thu Minh Thi Tong [1 ]
Shibatomi, Kazutaka [1 ]
Iwasa, Seiji [1 ]
机构：
[1] Toyohashi Univ Technol, Dept Environm & Life Sci, 1-1 Hibarigaoka,Tempaku Cho, Toyohashi, Aichi 4418580, Japan
来源：
CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 50期
基金：
日本学术振兴会;
关键词：
ASYMMETRIC CYCLOPROPANATION; INTRAMOLECULAR CYCLOPROPANATION; DIASTEREOSELECTIVE CYCLOPROPANATION; N-METHYLAMIDES; OLEFINS; EFFICIENT; SYSTEMS; DERIVATIVES; REDUCTION; ARYLATION;
D O I：
10.1039/c6cc02498j
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The first highly stereoselective cyclopropanation of diazo Weinreb amides with olefins was accomplished using chiral Ru(II)-Amm-Pheox complex 7a to give the corresponding chiral cyclopropyl Weinreb amides in high yields (up to 99%) with excellent diastereoselectivities (up to 99:1 dr) and enantioselectivities (up to 96% ee).
引用
收藏
页码：7814 / 7817
页数：4
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