Palladium(II) chloride/EDTA-catalyzed biaryl homo-coupling of aryl halides in aqueous medium in the presence of ascorbic acid

被引:40
作者
Ram, Ram N. [1 ]
Singh, Virinder [1 ]
机构
[1] Indian Inst Technol, Dept Chem, New Delhi 110016, India
关键词
aryl halides; biaryls; reductive homo-coupling; palladium chloride; EDTA; ascorbic acid; aqueous medium;
D O I
10.1016/j.tetlet.2006.08.056
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Both electron-deficient and electron-rich aryl bromides undergo biaryl homo-coupling in a basic aqueous-ethanotic medium in the presence of PdC12-EDTA (1: 1 molar ratio, 3 mol %) as catalyst and ascorbic acid as reductant (1 mol equiv) in acceptable to good yields. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码:7625 / 7628
页数:4
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