An Ullmann C O Coupling Reaction Catalyzed by Magnetic Copper Ferrite Nanoparticles
S Yang, C Wu, H Zhou, Y Yang, Y Zhao…
Index: Yang, Shuliang; Wu, Cunqi; Zhou, Hua; Yang, Yanqin; Zhao, Yongxia; Wang, Chenxu; Yang, Wei; Xu, Jingwei Advanced Synthesis and Catalysis, 2013 , vol. 355, # 1 p. 53 - 58
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Citation Number: 42
Abstract
Abstract Herein, an efficient method for the Ullmann C [BOND] O coupling reaction between various kinds of phenols and aryl halides, including amino, ketone, cyano, methyl, methoxy, fluoro, chloro and bromo derivatives, is described. The catalyst used, copper ferrite (CuFe 2 O 4) nanoparticles, are easily made, air-stable, and of low cost. The catalyst can be recycled easily just by using an external magnet. Even in the presence of sensitive substituents, the ...
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