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首页> 外文期刊>Inorganica Chimica Acta >Methoxy group containing bidentate Schiff base ligands and their transition metal complexes: Synthesis, structural characterisation, photoluminescence, antioxidant capacity and superoxide dismutase activity studies
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Methoxy group containing bidentate Schiff base ligands and their transition metal complexes: Synthesis, structural characterisation, photoluminescence, antioxidant capacity and superoxide dismutase activity studies

机译：含甲氧基的双齿席夫碱配体及其过渡金属配合物：合成，结构表征，光致发光，抗氧化能力和超氧化物歧化酶活性研究

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摘要

Co(II), Ni(II) and Cu(II) complexes of the two new Schiff base ligands (HL1 and HL2 derived from 2-hydroxy-3-methoxybenzaldehyde and 2-hydroxy-l-naphtaldehyde with 2,4-dimethoxyaniline) have been prepared. The structures of the synthesized compounds were characterized by elemental analyses and spectral methods (IR, 1H NMR, 13C NMR, thermogravimetric analysis (TGA), magnetic susceptibility. IR spectra show that HL1 and HL2 coordinated to the metal ions in a neutral bidentate manner with ON donor sites of the phenolic oxygen and imine nitrogen atoms. The molecular structures of HL1 and HL2 ligands and complex [Cu(L-1)(2)]-H2O were also determined by single crystal X-ray diffraction studies. To determine the antioxidant properties of Schiff base ligands and transition metal complexes, the CUPRAC and DPPH methods of antioxidant assays were used. Superoxide dismutase activities (SOD) of the Schiff base complexes were investigated and results were discussed. (C) 2016 Elsevier B.V. All rights reserved.
机译：两个新的席夫碱配体（由2-羟基-3-甲氧基苯甲醛和2-羟基-1-萘醛与2,4-二甲氧基苯胺衍生的HL1和HL2）的Co（II），Ni（II）和Cu（II）配合物已经准备好了。用元素分析和光谱方法（IR，1H NMR，13C NMR，热重分析（TGA），磁化率）对合成化合物的结构进行了表征，红外光谱表明HL1和HL2与金属离子呈中性双齿配位。在酚氧和亚胺氮原子的供体位点上，还通过单晶X射线衍射研究确定了HL1和HL2配体以及配合物[Cu（L-1）（2）]-H2O的分子结构。席夫碱配体和过渡金属配合物的抗氧化性能，使用CUPRAC和DPPH方法进行抗氧化剂测定，研究席夫碱配体的超氧化物歧化酶活性（SOD）并讨论结果（C）2016 Elsevier BV保留所有权利。

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