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催化学报  2011 

一种高效可循环的有机介孔树脂负载的N-杂卡宾络合钯催化剂催化的Sonogashira反应

DOI: 10.1016/S1872-2067(10)60284-7, PP. 1712-1718

Keywords: 介孔聚合物,N-卡宾,Sonogashira反应,钯催化剂,固载,多相催化剂

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Abstract:

?新型有机介孔材料FDU-15负载卡宾配体络合醋酸钯催化剂FDU-NHC/Pd(II)的制备方法简单,通过三步反应即可制得,采用X射线衍射、N2吸附-脱附和透射电镜等手段对催化剂进行了表征,并考察了它在Sonogashira偶联反应中的催化性能.结果表明,功能化不影响FDU-15的有序介孔结构,仅其孔径、孔体积和BET比表面积有所减小.另外,该催化剂在Sonogashira偶联反应中表现出较高的催化活性,底物普适性好,无论是带有吸电子取代基还是供电子取代基的碘苯都能够得到较高的分离产率,且该催化剂分离简单,重复使用10次以上时,其催化性能基本保持不变.

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