Bisbenzimidazole diamide copper(II) complexes and their reactivity towards superoxide

被引：0
|
作者：
Tehlan, S [1 ]
Upadhyay, S [1 ]
Mathur, P [1 ]
机构：
[1] Univ Delhi, Dept Chem, Delhi 110007, India
来源：
JOURNAL OF THE INDIAN CHEMICAL SOCIETY | 2005年 / 82卷 / 12期
关键词：
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A benzimidazole-based diamide ligand N, N'-bis(2-benzimidazolylmethyl) propane diamide (GBMA) and N, N'-bis(N-ethyl-2-benzimidazolylmethyl)hexane diamide (E-GBHA) have been synthesized and utilized to prepare copper(II) complexes of general composition [Cu(L)X]X, where X = Cl-, NO3-, SCN- and L = GBMA, E-GBHA. The EPR spectra reveal the presence of distorted tetragonal copper site in the complexes with g(parallel to) > g(perpendicular to) > 2. The complexs display a quasi-reversible redox wave due to the Cu-II/Cu-I redox couple with E-1/2 varying in the order Cl- < NO3- congruent to SCN-. The copper(II) complexes react by quenching of superoxide radical generated electrochemically.
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页码：1123 / 1127
页数：5
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