An Ullmann CO Coupling Reaction Catalyzed by Magnetic Copper Ferrite Nanoparticles
作者:Shuliang Yang、Cunqi Wu、Hua Zhou、Yanqin Yang、Yongxia Zhao、Chenxu Wang、Wei Yang、Jingwei Xu
DOI:10.1002/adsc.201200600
日期:2013.1.14
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
在此,描述了一种用于各种酚和芳基卤化物(包括氨基,酮,氰基,甲基,甲氧基,氟,氯和溴衍生物)之间的Ullmann CllO偶联反应的有效方法。所使用的催化剂,铁氧体铜(CuFe 2 O 4)纳米粒子,易于制造,空气稳定且成本低廉。只需使用外部磁体即可轻松回收催化剂。即使在存在敏感的取代基的情况下,反应也可以成功进行,从而以高收率提供所需的产物,而无需保护其他官能团。