Enantioselective Heck-type reaction catalyzed by tropos-Pd(II) complex with chiraphos ligand

被引：41

作者：

Akiyama, K ^{[1
]}

Wakabayashi, K ^{[1
]}

Mikami, K ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Appl Chem, Meguro Ku, Tokyo 1528552, Japan

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2005年 / 347卷 / 11-13期

关键词：

aerobic oxidation; asymmetric catalysis; chiraphos; Heck-type reaction; palladium;

D O I：

10.1002/adsc.200505154

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The Pd(II)-catalyzed enantioselective organoboron-mediated Heck-type reaction is shown to proceed under molecular oxygen as an oxidant. The Pd(OAC)(2)/(S,S)-chiraphos catalyst gives good yield and the best enantioselectivity. Among the two possible delta- and lambda-conformations in equilibrium, this reaction proceeds via the X-conformation of chiraphos with the two methyl groups in a diaxial orientation.

引用

页码：1569 / 1575

页数：7

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