Synthesis, crystal structure, properties, and nuclease activity of a new Cu(II) complex [Cu(L)2(Py)2(H2O)] (HL = N-(5-(4-methylphenyl)-[1,3,4]-thiadiazole-2-yl)toluenesulfonamide)
作者:A. C. Hangan、A. Turza、R. L. Stan、R. Stefan、L. S. Oprean
DOI:10.1134/s1070328415050024
日期:2015.6
N-(5-(4-methylphenyl)-[1,3,4]-thiadiazole-2-yl)toluenesulfonamide (HL) and its Cu(II) complex [Cu(L)2(Py)2(H2O)] (I), have been synthesized. The X-ray crystal structure of the ligand and of complex I have been determined (CIF files CCDC nos. 975153 (HL), 851790 (I)). In I, the Cu2+ ion is five-coordinated, forming a CuN4O chromophore. The ligand acts as monodentate, coordinating the metal ion through a single
一种新的N-磺酰胺配体N-(5-(4-甲基苯基)-[1,3,4]-噻二唑-2-基)甲苯磺酰胺(HL)及其Cu(II)络合物[Cu(L)2( Py)2(H 2 O)](I)已合成。已经确定了配体和配合物I的X射线晶体结构(CIF文件,CCDC号975153(HL),851790(I))。在I中,Cu 2+离子是五配位的,形成CuN 4 O发色团。配体充当单齿,通过单个N噻二唑配位金属离子原子。来自反应介质(吡啶和水)的分子也参与Cu 2+离子的配位。复合体I具有略微扭曲的方形金字塔形几何形状。该复合物通过FT-IR,电子,EPR光谱和磁性方法表征。合成复合物的核酸酶活性研究证实了其裂解DNA分子的能力。配体在I的核酸酶活性中具有两个重要作用:它影响Cu 2+离子的反应性并与DNA分子相互作用。该复合物与DNA分子相互作用。马上,Cu 2+ 离子被还原成Cu(I),并且在分子氧的存在下,形成的