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易磁分离磁性纳米Fe3O4在无溶剂和无配体条件下催化合成二芳醚

Cuilan FENG,Haiyun XU,Lantao LIU,Jing WANG, Ying LIU

Chinese Journal of Applied Chemistry（2014）

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Abstract
以未经任何修饰的磁性纳米Fe3O4为催化剂,在无溶剂和配体条件下催化卤代芳烃与苯酚间的C—O键交叉偶联反应.在130℃、48 h、Fe3O4摩尔分数为7％的优化反应条件下,二芳醚的产率达到94.7％.催化剂经磁分离可方便的回收,且连续循环使用4次,其催化活性无明显降低.
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Key words
cross-coupling,magnetic Fe3O4 nanoparticles,diaryl ether,arylation,recyclability
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