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首页> 外文期刊>Zeitschrift fur Anorganische und Allgemeine Chemie >Cobalt(II) complex with a tridentate N donor ligand: Synthesis, crystal structure, antioxidation, and DNA binding studies
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Cobalt(II) complex with a tridentate N donor ligand: Synthesis, crystal structure, antioxidation, and DNA binding studies

机译：具有三齿N供体配体的钴（II）配合物：合成，晶体结构，抗氧化和DNA结合研究

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摘要

A heptacoordinated mononuclear cobalt(II) complex of tridentate bis(N-ethylbenzimidazol-2-ylmethyl)aniline (Etbba) formulated as [Co(Etbba)(pic)_2]·(MeCN) (pic = picrate), was synthesized and characterized by elemental analysis, electric conductivity measurements, as well as IR and UV/Vis spectroscopy. The crystal structure of the cobalt(II) complex was determined by single-crystal X-ray diffraction. The study shows the metal atom in a distorted monocapped octahedral arrangement that comprises two picrate molecules and one Etbba ligand molecule. The DNA-binding properties of the cobalt(II) complex were investigated by electronic absorption and fluorescence spectroscopy, as well as viscosity measurements. The experimental results suggest that the cobalt(II) complex binds to DNA in an intercalating mode. In addition, the complex shows strong scavenging effects for hydroxyl radicals.
机译：合成并表征了配制成[Co（Etbba）（pic）_2]·（MeCN）的三齿双（N-乙基苯并咪唑-2-基甲基）苯胺（Etbba）的七配位单核钴（II）配合物。通过元素分析，电导率测量以及IR和UV / Vis光谱。钴（II）配合物的晶体结构通过单晶X射线衍射测定。研究表明，金属原子呈扭曲的单峰八面体排列，包含两个苦味精分子和一个Etbba配体分子。通过电子吸收和荧光光谱法以及粘度测量研究了钴（II​​）配合物的DNA结合特性。实验结果表明，钴（II）络合物以嵌入模式与DNA结合。另外，该配合物显示出对羟基自由基的强清除作用。

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