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.
引用
收藏
页码：2808 / 2809
页数：2
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