A Facile and Efficient Oxalyldihydrazide/Ketone-Promoted Copper-Catalyzed Amination of Aryl Halides in Water
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY（2009）
Abstract
A novel three-component catalyst CuO/oxalyldihydrazide/hexane-2,5-dione was a very convenient, economic, and effective catalytic system for the Ullmann-type C-N coupling reaction in water. Both aryl bromides and aryl iodides could be aminated by a variety of amines even at room temperature or with heating to afford very good isolated yields. (C) Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)
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Key words
Amination,Cross-coupling,Copper,Water chemistry,Sustainable chemistry
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