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首页> 外文期刊>Indian Journal of Chemistry, Section A. Inorganic, Physical, Theoretical & Analytical >Synthesis and characterization of niobium(V) complexes with terdentate ONO donor hydrazones
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Synthesis and characterization of niobium(V) complexes with terdentate ONO donor hydrazones

机译:齿状ONO供体的铌(V)配合物的合成与表征

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摘要

The metal complexes of niobium(V) with 2-benzimidazolyl mercaptoaceto hydrazones have been synthesized in dry alcohol under nitrogen atmosphere and characterized by elemental analyses, molar conductance measurements, infrared, electronic and ~1H NMR spectral studies. The spectral studies show that the hydrazones reacts in enol form and act as dibasic terdentate ONO donor nature. The thermal stabilities have been studied and the kinetics of these complexes are calculated using Coats-Redfern and MKN methods. From the results, a coordination number seven for niobium ion in the complexes of the type Nb(L)_2Cl is proposed. All the ligands and their niobium(V) complexes have been sccreened for their antimicrobial activity.
机译:铌(V)与2-苯并咪唑基巯基乙酰ace的金属配合物是在氮气环境下在干燥的醇中合成的,并通过元素分析,摩尔电导测量,红外,电子和〜1H NMR光谱研究进行表征。光谱研究表明,azo以烯醇形式反应,并具有二元基齿状ONO供体性质。已经研究了热稳定性,并使用Coats-Redfern和MKN方法计算了这些配合物的动力学。根据结果​​,提出了Nb(L)_2Cl型配合物中铌离子的配位数为7。所有配体及其铌(V)络合物的抗菌活性均已提高。

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