Synthesis, Spectroscopy, and SOD Activity of Some Imidazolate‐Bridged Copper(II) Complexes

R. N. Patel
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引用次数: 4

Abstract

Abstract The synthesis, spectroscopic, magnetic susceptibility, and superoxide dismutase (SOD) activity measurements of the imidazolate‐bridged complexes [(Salgly)Cu‐Im‐Cu(Salgly)]Na, [(Salgly)Cu‐Im‐Ni(Salgly)]Na, and [(Salgly)Cu‐Im‐Zn(Salgly)]Na, where Salgly = salicylideneglycinate, Im = imidazolate ion are described. Related copper(II) mononuclear complexes are also described. A pH‐dependent EPR and UV‐visible study of a 50% aqueous DMSO solution of the binuclear complexes suggest that the complexes are stable in the pH‐range 6.50–10.50. At lower pH, the imidazolate bridge breaks apart with decreasing pH value.
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咪唑酸偶联铜(II)配合物的合成、光谱学和SOD活性
摘要描述了咪唑酸盐桥接配合物[(Salgly)Cu‐Im‐Cu(Salgly)]Na、[(Salgly)Cu‐Im‐Ni(Salgly)]Na和[(Salgly)Cu‐Im‐Zn(Salgly)]Na的合成、光谱、磁化率和超氧化物歧化酶(SOD)活性的测定。其中Salgly =水杨酸甘氨酸,Im =咪唑酸离子。相关的铜(II)单核配合物也进行了描述。对双核配合物在50% DMSO水溶液中的pH依赖性EPR和紫外可见性研究表明,配合物在pH值为6.50-10.50的范围内是稳定的。在较低的pH值下,咪唑酸桥随着pH值的降低而断裂。
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