Carbon-halide oxidative addition and carbon-carbon reductive elimination at a (PNP)Rh center

被引：112

作者：

Gatard, S ^{[1
]}

Çelenligil-Çetin, R ^{[1
]}

Guo, CY ^{[1
]}

Foxman, BM ^{[1
]}

Ozerov, OV ^{[1
]}

机构：

[1] Brandeis Univ, Dept Chem, Waltham, MA 02454 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2006年 / 128卷 / 09期

关键词：

D O I：

10.1021/ja057948j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An unsaturated (PNP)Rh fragment can be generated by means of C-C reductive elimination from (PNP)Rh(Me)(Ar) or (PNP)Rh(Ar)(Ar). This fragment undergoes carbon-halogen oxidative addition with aryl chlorides, bromides, and iodides at room temperature. The C-H oxidative addition products in reactions with haloarenes are not observed, and evidence is presented that carbon-halogen oxidative addition is thermodynamically preferred. C-C reductive elimination from (PNP)Rh(Me)(Ar) and (PNP)Rh(Ar)(Ar) proceeds near quantitatively as a clean, first-order reaction. Copyright © 2006 American Chemical Society.

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页码：2808 / 2809

页数：2

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