Copper(ii) complexes with 3-(2-pyridyl)-4,5-dihydro-1H-pyrazoles: synthesis, structural and electrochemical studies

被引：0
|
作者：
N. I. Vorozhtsov
A. G. Majouga
E. K. Beloglazkina
A. A. Moiseeva
G. A. Golubeva
I. V. Evstaf’ev
L. A. Sviridova
N. V. Zyk
机构：
[1] M. V. Lomonosov Moscow State University,Department of Chemistry
来源：
Russian Chemical Bulletin | 2014年 / 63卷
关键词：
3-(2-pyridyl)-4,5-dihydro-1; -pyrazoles; copper(; ) complexes; X-ray diffraction; cyclic voltammetry;
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摘要：
Three new copper(ii) complexes with the 3-(2-pyridyl)-4,5-dihydro-1H-pyrazole ligands were obtained by reactions of appropriate organic ligands with CuCl2·2H2O. The structures of the complexes were determined by X-ray diffraction. The molecular formula of all the complexes can be written as 2(L·MCl2) (L is an organic ligand). The coordination polyhedron of either copper ion is a distorted trigonal bipyramid made up of two N atoms (coming from the pyrazoline and pyridine rings) and one axial and two bridging chloride anions. The electrochemical behavior of 1,5-diphenyl-3-(2-pyridyl)-4,5-dihydro-1H-pyrazole and its CuII complex was studied by cyclic voltammetry; the mechanisms of their electrooxidation and electroreduction were proposed.
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页码：657 / 661
页数：4
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