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磁性钯催化剂对Suzuki-Miyaura偶联反应的催化作用

DOI: 10.11830/ISSN.1000-5013.2015.04.0449

Keywords: 负载催化剂, 磁性载体, 纳米微球, N杂环卡宾, Suzuki-Miyaura反应, 钯复合物

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Abstract:

以四氧化三铁/聚苯乙烯核壳结构的纳米微球为载体,通过傅克反应在其表面修饰高活性的大位阻N杂环卡宾配体,并利用Suzuki-Miyaura偶联反应考察此催化剂的综合性能.研究结果表明:制备的负载催化剂易于分离,对溴代芳烃表现出极高的催化活性,对低活性的氯代芳烃也有良好的催化效果,且具有良好的可重复使用性.

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