Polystyrene-supported Palladium(Ⅱ) E

Polystyrene-supported Palladium(Ⅱ) Ethylenediamine Complex:A Recyclable Catalyst for the Syntheses of 2-Benzyl-imidazo[2

The polymer-supported palladium(Ⅱ) ethylenediamine complex was used as a catalyst for the heterocyclization during Sonogashira reaction between a substituted phenyl iodide and 2-amino-3-(2-propynyl)-1,3-benzothiazolium bromide, which could readily be recovered from the reaction medium by a simple filtration, and reused without a significant loss in its activity.

作 者： BAKHERAD Mohammad BAHRAMIAN Bahram NASR-ISFAHANI Hossein KEIVANLOO Ali SANG Golnaz   作者单位： Department of Chemistry,School of Sciences,Shahrood University of Technology,Shahrood,Iran  刊 名： 中国化学（英文版）  SCI 英文刊名： CHINESE JOURNAL OF CHEMISTRY  年，卷(期)： 2009 27(2)  分类号： O6  关键词： Sonogashira coupling   supported catalyst   ethylenediamine   heterogeneous catalyst   aryl iodides   imi-dazobenzothiazole  

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