Pyrazole-based azo-metal(II) complexes as potential bioactive agents: synthesis, characterization, antimicrobial, anti-tuberculosis, and DNA interaction studies
作者:Mallikarjuna Niluvanji Matada、Keshavayya Jathi
DOI:10.1080/00958972.2019.1630613
日期:2019.6.18
Abstract In the present investigation, the bioactive azo-dye ligand 1,5-dimethyl-4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl]-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (L) and its transition metal complexes have been synthesized and characterized by various physical and spectroscopic techniques to elucidate their geometrical structures. The molar conductivity measurements confirmed the
摘要 在本研究中,生物活性偶氮染料配体 1,5-二甲基-4-[(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)diazenyl] -2-苯基-1,2-二氢-3H-吡唑-3-one (L) 及其过渡金属配合物已被合成并通过各种物理和光谱技术表征以阐明它们的几何结构。摩尔电导率测量证实了复合物的非电解性质。EPR 光谱表明金属配合物本质上是单体并呈现八面体几何形状。通过循环伏安技术在 DMF 溶液中研究了铜配合物的氧化还原行为,该配合物在 0.05 V s-1 的扫描速率下显示出良好的氧化还原行为。筛选配体及其金属配合物对大肠杆菌的抗菌活性,枯草芽孢杆菌、黑曲霉和白色念珠菌,结果表明配体与金属离子配位后活性增加。在螯合结核分枝杆菌后,金属配合物表现出增强的抗结核活性。DNA结合实验表明,配体及其金属配合物通过嵌入模式对CT-DNA表现出