Reductive coupling of carbon monoxide in a rhenium carbonyl complex with pendant lewis acids

被引：125

作者：

Miller, Alexander J. M. ^{[1
]}

Labinger, Jay A. ^{[1
]}

Bercaw, John E. ^{[1
]}

机构：

[1] CALTECH, Arnold & Mabel Beckman Labs Chem Synth, Pasadena, CA 91125 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2008年 / 130卷 / 36期

关键词：

D O I：

10.1021/ja805108z

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Phosphinoborane ligands impart unique reactivity to a rhenium carbonyl cation relative to simple phosphine complexes. Addition of either triethylborohydride or a platinum hydride (that can be formed from H2) forms a rhenium boroxycarbene. This carbene, which crystallizes as a dimer, disproportionates over a period of days to afford the starting cation and a structurally unprecedented boroxy(boroxymethyl)carbene, in which a new C-C bond has been formed between two reduced CO ligands. This product of C-C bond formation can be independently synthesized by addition of 2 equiv of hydride to the rhenium carbonyl cation. Copyright © 2008 American Chemical Society.

引用

页码：11874 / 11875

页数：2

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