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

Abstract

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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Luo Qinhui, Shen Mengchang, Peng Qingyun, Zhang Zheng . The Reaction of Superoxide Anion with Some Binuclear Copper(Ⅱ) Complexes of a 20-Membered Hexaaza Macrocyclic Ligand[J]. Chem. J. Chinese Universities, 1989, 10(4): 335.

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

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