Rhodium-Catalyzed [2+2+2] Cycloaddition of Oximes and Diynes To Give Pyridines

被引：34

作者：

Xu, Fen ^{[1
]}

Wang, Chunxiang ^{[1
]}

Wang, Dongping ^{[1
]}

Li, Xincheng ^{[1
]}

Wan, Boshun ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2013年 / 19卷 / 07期

基金：

中国国家自然科学基金;

关键词：

cycloaddition; heterocycles; oximes; pyridines; rhodium; ARYL ETHYNYL ETHERS; ONE-POT SYNTHESIS; SUBSTITUTED PYRIDINES; UNACTIVATED NITRILES; OLEFIN COMPLEXES; ALKYNES; CYCLOTRIMERIZATION; ALPHA; OMEGA-DIYNES; CONSTRUCTION; 2,2'-BIPYRIDINES;

D O I：

10.1002/chem.201203909

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Oximes and diynes undergo efficient cycloaddition in the presence of a catalytic amount of a cationic rhodium(I)/dppf complex (see scheme). Spontaneous dehydration of the initially formed cycloadducts leads to the formation of a variety of substituted pyridines in moderate to good yields. The transformation could also be achieved in a one-pot procedure using aldehydes. Copyright © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

引用

页码：2252 / 2255

页数：4

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