高等学校化学学报

高等学校化学学报 ›› 1989, Vol. 10 ›› Issue (4): 335.

• 研究论文 • 上一篇    下一篇

二十员六氮大环双核铜(Ⅱ)配合物与超氧离子的反应

罗勤慧, 沈孟长, 彭庆芸, 张正   

  1. 南京大学配位化学研究所
  • 收稿日期:1987-07-31 出版日期:1989-04-24 发布日期:1989-04-24
  • 通讯作者: 罗勤慧
  • 基金资助:

    国家自然科学基金

The Reaction of Superoxide Anion with Some Binuclear Copper(Ⅱ) Complexes of a 20-Membered Hexaaza Macrocyclic Ligand

Luo Qinhui, Shen Mengchang, Peng Qingyun, Zhang Zheng   

  1. Coordination Chemistry Research Institute, Nanjing University, Nanjing
  • Received:1987-07-31 Online:1989-04-24 Published:1989-04-24

PDF (PC)

被引次数

16

摘要： 合成了以2,6-二乙酰基吡啶缩丙二胺为配体,以OH-、Cl-、Br-、I-、SCN-及N3-为桥基的6种大环双核铜配合物,用光照法研究了这类配合物催化O2-的歧化反应的活性,通过顺磁共振波谱,探讨了各种桥基的配合物与O2-反应的两种反应机理:催化歧化机理及氧化还原机理。

关键词: 铜配合物, 大环, 超氧离子, 超氧化物歧化酶活性

Abstract: Six coordination compounds were synthesized by condensation reactions of 2,6-diacetylpyridine (DAP) with 1,3-diaminepropane in the presence of metal ions. Four of them have not been reported up to now. The structures of complexes were proved by the IRspectra and elemental analysis. We found that the spectra of complexes are similar to that of superoxide dismutase(SOD), and the SOD activity of complexes was measured by illumination method. The reaction mechanism of complexes with superoxide is studied by EPR. The results show that not only catalysis reaction but also oxidation one took place. The catalytic mechanism is also discussed.

Key words: Copper complex, Macrocycle, Superoxide ion, Superoxide dismutgse activity

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