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An Ullmann CO Coupling Reaction Catalyzed by Magnetic Copper Ferrite Nanoparticles

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Herein, an efficient method for the Ullmann CO 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 (CuFe2O4) 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 reaction proceeds successfully to provide the desired products in high yields without protection of other functional groups.

Document Type: Communications


Affiliations: State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun 130022, People's Republic of China, phone: (+86)-431-8526-2649, Fax: (+86)-431-8526-2643

Publication date: January 14, 2013

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