Greener solid state synthesis of nano-sized mono and homo bi-nuclear Ni(II), Co(II), Mn(II), Hg(II), Cd(II) and Zn(II) complexes with new sulfa ligand as a potential antitumour and antimicrobial agents
作者:Fawaz A. Saad、Abdalla M. Khedr
DOI:10.1016/j.molliq.2017.02.046
日期:2017.4
New nano-sized mono and homo bi-nuclear Ni(II), Co(II), Mn(II), Hg(II), Cd(II) and Zn(II) complexes with 4-[(2-hydroxybenzylidene)amino]-N-(1,3-thiazol-2-yl)benzenesulfonamide (H2L) were synthesized by solid-solid reaction at room temperature. The complexes were structurally characterized using MS, FT-IR, UV–Vis, ESR, 1H and 13C NMR, spectra, thermal analyses, X-ray powder diffraction, SEM, conductance
新型纳米单和均双核Ni(II),Co(II),Mn(II),Hg(II),Cd(II)和Zn(II)与4-[(2-羟基苄叉)氨基的配合物在室温下通过固-固反应合成了] -N-(1,3-噻唑-2-基)苯磺酰胺(H 2 L)。使用MS,FT-IR,UV-Vis,ESR,1 H和13 C NMR,光谱,热分析,X射线粉末衍射,SEM,电导和磁测量对复合物进行结构表征。FT-IR和NMR研究表明H 2L使用席夫碱中心和磺酰胺部分以二元四齿模式配位到金属中心。UV-Vis,ESR光谱和热重分析表明,整个配合物均达到四面体几何形状。应用Coats-Redfern方法计算活化热动力学参数(E *,∆ H *,∆ S *和∆ G *)用于TGA曲线的各种热分解阶段。从XRD和SEM图像获得的数据明确地断定了纳米级金属螯合物。使用分子力学(MM +)和半经验分子轨道计算(PM3)对某些配合物进行3-D分子建