作者:Miral V. Lunagariya、Khyati P. Thakor、Bhargav N. Waghela、Foram U. Vaidya、Chadramani Pathak、Mohan N. Patel
DOI:10.1080/07391102.2016.1268071
日期:2018.1.2
The square planar Pt(II) complexes of the type [Pt(Ln)(Cl2)] (where Ln = L1-3 = thiophene-2-carboxamide derivatives and L4-6 = thiophene-2-carbothioamide derivatives) have been synthesized and characterized by physicochemical and various spectroscopic studies. MIC method was employed to inference the antibacterial potency of complexes in reference to free ligands and metal salt. Characteristic binding
合成了[Pt(Ln)(Cl2)]类型的方形平面Pt(II)配合物(其中Ln = L1-3 =噻吩-2-羧酰胺衍生物,L4-6 =噻吩-2-羧硫酰胺衍生物),通过物理化学和各种光谱学研究来表征。MIC方法用于推断配合物相对于游离配体和金属盐的抗菌能力。利用吸收滴定法(0.76-1.61×105 M-1),流体力学链长测定法和荧光猝灭分析法确定了小牛胸腺DNA(CT-DNA)的特征结合常数(Kb)和结合模式,推导了部分插入模式的约束力。分子对接计算显示结合自由能在-260.06至-219.63 kJmol-1的范围内。复合物对pUC19 DNA的核酸酶谱显示,与它们各自的金属盐相比,复合物更有效地切割DNA。配合物在盐水虾上的细胞毒性特征表明,所有配合物均表现出显着的细胞毒活性,LC50值在7.87至15.94μg/ mL之间。已经通过MTT测定(IC50 =125-1000μg/ mL)评估