Syntheses,crystal structures,and cytochrome P450-like hydroxylation property of two novel copper(II) complexes |
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| Authors: | Zhong-Lu You Wei-Sheng Liu Hai-Liang Zhu Hoong-Kun Fun |
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| Institution: | (1) Department of Chemistry, Lanzhou University, Lanzhou, P.R.China, 730000;(2) Department of Chemistry, Fuyang Normal College, Qinghe East Road 741, Fuyang Anhui, P.R.China, 236041;(3) X-ray Crystallography Unit, School of Physics, University Sains Malaysia, 11800 USM Penang, Malaysia |
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| Abstract: | Two new copper(II) complexes, Cu2 (Phen)2 ( 2 -OH)2 ((HCO)3) 2 ]Cu2 (Phen) 2 ( 2 -OH)2 (H2 O)2](dhba)2 .8H2 O (1) and (bz)4 Cu3 (2-OH)2 (ppz)]n
(2) (where Phen = 1,10-phenanthroline, dhba = 2,6-dihydroxy-benzoate anion, bz = benzoate anion, and ppz = piperazine), have been synthesized and characterized by elemental analyses, i.r. and single crystal X-ray diffraction. Complex (1) is a tetra-nuclear CuII compound; each CuII atom in the complex has a square-pyramidal geometry, being coordinated by two nitrogen atoms and three oxygen atoms. Complex (2) is a trinuclear CuII compound. The Cu1 atom in the complex has a slightly distorted square plane, being coordinated by four oxygen atoms, while the Cu2 atom has a severely distorted square pyramid geometry, being coordinated by four oxygen atoms and one nitrogen atom. The determination studied by GC/MS analysis indicated that complex (1) has good catalytic activity for the dioxygen oxidization of cyclohexane. |
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