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2-吡唑啉-9-芳基邻菲咯啉镍配合物催化芳基卤化物和格氏试剂偶联反应的研究

Feng-juan CUI,Huan-yu WANG,Qing-fang DENG,Yan JIANG,Yan-zhen CAO,Hua-ping ZHAO

Journal of Molecular Catalysis(China)（2018）

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Abstract
4个基于2-吡唑啉-9-芳基邻菲咯啉(L1-L4)镍配合物[NiCl2L] (1-4)被开发用于芳基卤化物和格氏试剂偶联反应的研究,表现出良好的催化活性.对配合物(4)的结构进行了x-单晶衍射表征,分析发现中心金属镍为五配位的四方锥构型利于C—C偶联反应.讨论了配体空间位阻及反应条件对该偶联反应活性的影响,发现邻菲咯啉的9位位阻对催化活性影响更明显.
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Key words
2-pyrazolyl-9-aryl-1,10-phenanthrolines,nickel complexes,C—C cross coupling reactions
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