Synthesis, crystal structures, and superoxide dismutase activity of two isostructural copper(II)-zinc(II) complexes derived from N,N'-bis(4-methoxysalicylidene)cyclohexane-1,2-diamine

Author: You Zhong-Lu   Ni Li-Li   Hou Peng   Zhang Ji-Cai   Wang Che  

Publisher: Taylor & Francis Ltd

ISSN: 0095-8972

Source: Journal of Coordination Chemistry, Vol.63, Iss.3, 2010-02, pp. : 515-523

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Abstract

Two new isostructural copper(II)-zinc(II) complexes, [CuZnLBr2] (1) and [CuZnLCl2] (2) (H2L = N,N'-bis(4-methoxysalicylidene)cyclohexane-1,2-diamine), have been synthesized and characterized by elemental analyses, infrared spectroscopy, and single-crystal X-ray diffraction. Both complexes crystallize in the P-1 space group. The Cu in each complex is four-coordinate square planar with two imines and two phenolates of L. The Zn in each complex is four-coordinate tetrahedral with two phenolates of L and two halides (Br for 1 and Cl for 2). The superoxide dismutase (SOD) activity of the complexes indicates that both complexes are rudimentary models for SOD.

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