An Efficient Rh/O2 Catalytic System for Oxidative C-H Activation/Annulation: Evidence for Rh(I) to Rh(III) Oxidation by Molecular Oxygen

被引：253

作者：

Zhang, Guoying ^{[1
]}

Yang, Lei ^{[1
]}

Wang, Yanyu ^{[1
]}

Xie, Yinjun ^{[1
]}

Huang, Hanmin ^{[1
]}

机构：

[1] Chinese Acad Sci, State Key Lab Oxo Synth & Select Oxidat, Lanzhou Inst Chem Phys, Lanzhou 730000, Peoples R China

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2013年 / 135卷 / 24期

基金：

中国国家自然科学基金;

关键词：

INTERNAL ALKYNES; BOND FORMATION; COUPLING REACTIONS; RHODIUM(III)-CATALYZED SYNTHESIS; ISOQUINOLINIUM SALTS; TERTIARY-AMINES; BENZOIC-ACIDS; ACTIVATION; RH; FUNCTIONALIZATION;

D O I：

10.1021/ja404414q

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A novel and efficient Rh/O-2 catalytic system has been developed and shown to catalyze highly efficient oxidative C-H activation/annulation reactions, producing a broad range of isoquinolinium salts with high turnover numbers (up to 740). Mechanistic studies provided strong evidence of facile oxidation of Rh(I) to Rh(III) by molecular oxygen facilitated by acid.

引用

页码：8850 / 8853

页数：4

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