期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 355, 期 1, 页码 53-58出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201200600
关键词
catalyst recycling; C?O cross-coupling; copper ferrite (CuFe2O4); magnetic particles; Ullmann reaction
资金
- State Key Laboratory of Electroanalytical Chemistry
Herein, an efficient method for the Ullmann C?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 (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.
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