Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 63, Issue 3, Pages 515-523Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00958970903515134
Keywords
Schiff base; Copper; Zinc; Crystal structure; Superoxide dismutase
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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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