Palladium(II)-Catalyzed Direct Carboxylation of Alkenyl C-H Bonds with CO2

被引：235

作者：

Sasano, Kota ^{[1
]}

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 | 2013年 / 135卷 / 30期

基金：

日本学术振兴会; 日本科学技术振兴机构;

关键词：

CATALYZED OXIDATIVE CYCLIZATION; CROSS-COUPLING REACTION; CARBON-DIOXIDE; PALLADIUM CATALYSIS; COPPER(I) COMPLEXES; CYCLIC ENAMINONES; DIRECT ARYLATION; METAL-COMPLEXES; ARYL HALIDES; ACTIVATION;

D O I：

10.1021/ja405503y

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Pd-catalyzed direct carboxylation of alkenyl C-H bonds with carbon dioxide was realized for the first time. Treatment of 2-hydroxystyrenes and a catalytic amount of Pd(OAc)(2) with Cs2CO3 under atmospheric pressure of CO2 afforded corresponding coumarins in good yield. Furthermore, isolation of the key alkenylpalladium intermediate via C-H bond cleavage was achieved. The reaction was proposed to undergo reversible nucleophilic addition of the alkenylpalladium intermediate to CO2.

引用

页码：10954 / 10957

页数：4

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