高等学校化学学报

高等学校化学学报 ›› 1999, Vol. 20 ›› Issue (1): 72.

• 论文 • 上一篇    下一篇

Co(Ⅱ)和Co(Ⅲ)配合物与C-C的反应性研究

周智明   

  1. 北京理工大学化工与材料学院精细化工教研室, 北京 100081
  • 收稿日期:1998-02-24 出版日期:1999-01-24 发布日期:1999-01-24
  • 通讯作者: 周智明,男,36岁,博士,副教授.
  • 基金资助:

    国家教委优秀教师基金

Reactivity of Co(Ⅱ)and Co(Ⅲ)Complexes Towards C=C Bonds

ZHOU Zhi-Ming   

  1. College of Chemical Engineering and Materials Science, Beijing Institute of Technology, Beijing, 100081
  • Received:1998-02-24 Online:1999-01-24 Published:1999-01-24

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摘要： 从二炔丙基胺(1)出发,用二氯化钴和三苯膦经二(三苯膦)氯合钴合成了戊二烯钴(Ⅲ)配合物(8);用改进方法,八羰基二钴经多核钴配合物10合成了双钴(Ⅱ)配合物11.分别考察了这两种不同价态的钴环配合物对富马酸二乙酯的反应活性,配合物8与活性烯烃2反应产生新的稳定的配合物9,配合物11则生成有机化合物3.根据配合物8的X射线晶体结构解释了Co(Ⅲ)对活性烯烃的低反应活性.

关键词: 反应性, 钴, 配合物, 二炔, 富马酸二乙酯

Abstract: Starting from bis(propagyl)amine(1), a new cyclopentadienyl Co(Ⅲ)complex 8 was prepared using CoCl2Ph3Pvia ClCo(PPh3)2, and Co(Ⅱ)complex(11)was also prepared using Co2(CO)8via complex 10.Reactivity of These two colbalt complexes with differentox idation state towards C=C bonds were investigated, a new stable complex 9 was found from the reaction with complex 8, but a pureorganic compound 3 was formed by the reaction of complex 11.The low reactivity of Co(Ⅲ)complex 8 tow ards C=C bonds is explained according to The results of its Xray cryst al structure.

Key words: Reactivity, Cobalt, Com plex, Diyne, Diethylfumarate

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