Platinum(II)-bis-(N-heterocyclic carbene) complexes: synthesis, structure and catalytic activity in the hydrosilylation of alkenes

被引：45

作者：

Taige, Maria A. ^{[1
]}

Ahrens, Sebastian ^{[1
]}

Strassner, Thomas ^{[1
]}

机构：

[1] Tech Univ Dresden, D-01062 Dresden, Germany

来源：

JOURNAL OF ORGANOMETALLIC CHEMISTRY | 2011年 / 696卷 / 17期

关键词：

Platinum(II)-NHC-complexes; Syntheses; Solid state structure; Catalysis; Hydrosilylation; Hydrosilation; N-HETEROCYCLIC-CARBENE; DEHYDROGENATIVE DOUBLE SILYLATION; PLATINUM(0)-CARBENE COMPLEXES; SELECTIVE HYDROSILYLATION; COORDINATION CHEMISTRY; HOMOGENEOUS CATALYSIS; BISCARBENE COMPLEXES; PALLADIUM COMPLEXES; CHLORIDE COMPLEXES; METAL-COMPLEXES;

D O I：

10.1016/j.jorganchem.2011.04.030

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Chelating biscarbene ligands increase the stability of metal-organic catalyst systems. The catalytic activities of seven structurally different platinum(II)-bis-NHC-complexes in the hydrosilylation of alkenes have been investigated and compared with the catalytic activity of the Karstedt catalyst and of a highly active platinum(0)-NHC-complex. It is shown that a fine-tuning of the catalytic activity of the platinum(II)-bis-NHC-complexes is possible. The synthesis of a platinum(II)-bis-NHC-complex with similar activity, but additional advantages compared to the Karstedt catalyst, is reported. The solid state structure of 1,1-[Bis(3,3'-(4-methoxyphenyl)-1,1'-1H-imidazolium-2,2'-ylidene)methanediyl]platinum(II)-dichloride is presented. (C) 2011 Elsevier B.V. All rights reserved.

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页码：2918 / 2927

页数：10

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