Hydrocarboxylation of Allenes with CO2 Catalyzed by Silyl Pincer-Type Palladium Complex

被引：313

作者：

Takaya, Jun ^{[1
]}

Iwasawa, Nobuharu ^{[1
]}

机构：

[1] Tokyo Inst Technol, Dept Chem, Meguro Ku, Tokyo 1528551, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 46期

关键词：

D O I：

10.1021/ja806677w

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Tridentate PSiP pincer-type palladium complex-catalyzed hydrocarboxylation of allenes under carbon dioxide to give synthetically useful beta,gamma-unsaturated carboxylic acids was developed. This novel CO2-fixation reaction is thought to proceed through the catalytic generation of sigma-allyl palladium species via hydropalladation of allenes, followed by its regioselective nucleophilic addition to CO, in the presence of an appropriate reducing agent. The reaction is successfully applied to various allenes bearing functional groups such as ester, carbamate, ketone, and alkene, showing high synthetic utility of this protocol.

引用

页码：15254 / +

页数：3

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