Cobalt Carbonyl-Based Catalyst for Hydrosilylation of Carboxamides

被引：67

作者：

Dombray, Thomas ^{[1
]}

Helleu, Camille ^{[1
]}

Darcel, Christophe ^{[1
]}

Sortais, Jean-Baptiste ^{[1
]}

机构：

[1] Univ Rennes 1, Inst Sci Chim Rennes Team Organometall Mat & Cata, Ctr Catalysis & Green Chem, UMR CNRS 6226, F-35042 Rennes, France

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2013年 / 355卷 / 17期

关键词：

amides; amines; cobalt; hydrosilylation; reduction; CARBOXYLIC-ACID DERIVATIVES; ASYMMETRIC HYDROSILYLATION; TERTIARY-AMINES; ENANTIOSELECTIVE HYDROSILYLATION; EFFICIENT HYDROSILYLATION; SELECTIVE REDUCTION; SECONDARY AMIDES; SILANE REDUCTION; IRON; COMPLEX;

D O I：

10.1002/adsc.201300664

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

The cobalt carbonyl [Co-2(CO)(8)] complex is employed as a useful catalyst for the reduction of tertiary amides to the corresponding tertiary amines using 1,1,3,3-tetramethyldisiloxane (TMDS) and poly(methylhydrosiloxane) (PMHS) as silane reagents under thermal (100 degrees C) or photo-assisted conditions (UV, 350nm at room temperature). Of particular interest, a low catalytic amount (0.5mol%) of [Co-2(CO)(8)] is used to perform the reaction with 2.2equiv. of PMHS at 100 degrees C for 3h. This reaction is the first example of a cobalt-catalyzed hydrosilylation of amides.

引用

页码：3358 / 3362

页数：5

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