Synthesis, characterization, DFT calculation, DNA binding and antimicrobial activities of metal complexes of dimedone arylhydrazone
作者:Khlood S. Abou-Melha、Gamil A. Al-Hazmi、Ismail Althagafi、Arwa Alharbi、Fathy Shaaban、Nashwa M. El-Metwaly、Ashraf A. El-Bindary、Mohamed A. El-Bindary
DOI:10.1016/j.molliq.2021.116498
日期:2021.7
process was employed to create hydrazone chelating ligand (HL) and its Co(II), Cu(II) and Ni(II) complexes. Elemental analysis, FT-IR, UV-visible, thermal analysis, 1H NMR, and 13C NMR were utilized to propose their structures. The reaction between metal (II) with HL produced mononuclear complexes and the molar conductivity results demonstrated that the complexes are all non-electrolytes that fall within
采用重氮化,偶合和金属化工艺来创建螯合配体(HL)及其Co(II),Cu(II)和Ni(II)配合物。利用元素分析,FT-IR,紫外可见光,热分析,1 H NMR和13 C NMR提出其结构。金属(II)与HL生成的单核配合物之间的反应和摩尔电导率结果表明,配合物均为非电解质,均在8-12Ω -1 cm 2 mol -1的特定范围内。Co(II)和Ni(II)配合物具有伪八面体配位几何,而Cu(II)配合物具有正方形的平面配位几何。金属离子与配体相互作用。作为(C = O)的一元二齿以及去质子化moiety部分(–NH–)。此外,通过分子建模估算了确定的量子化学参数的优化结构,键长,配体及其配合物的角度。电子吸收稀释和粘度分析技术用于研究化合物的DNA结合活性。结合常数为5.13 x 10 5 M -1范围。结果表明,复合物在凹槽中与CT-DNA结合,然后在DNA碱基堆栈之间部分引入配体。