New mononuclear and binuclear oxomolybdenum(V) complexes containing N N chelator: Syntheses, DFT calculations, interaction with BSA protein and in vitro cytotoxic activity
作者:Malini Roy、Debanjana Biswal、Oiendrilla Sarkar、Nikhil Ranjan Pramanik、Michael G.B. Drew、Pritam Sadhukhan、Mousumi Kundu、Parames C. Sil、Syamal Chakrabarti
DOI:10.1016/j.jinorgbio.2019.110755
日期:2019.10
fashion and forms stable mononuclear, MoOX3L [L = Ligand, X = Cl (1), Br (2)] and binuclear Mo2O4X2L2 [L = Ligand, X = Cl (3), Br (4)] complexes with molybdenum(V). The ligand and complexes are thoroughly characterized by elemental analyses, IR, UV–Vis spectroscopy, EPR study, magnetic susceptibility, thermogravimetry and cyclic voltammetry. Magnetic moment measurements reveal that the mononuclear complexes
中性双齿配体2-(3-甲基-5-苯基吡唑-1-基)苯并噻唑(L)是通过在乙醇中回流等摩尔比例的2-肼基苯并噻唑和苯甲酰丙酮而合成的。配体以N N供体的方式起作用,并形成稳定的单核MoOX 3 L [L =配体,X = Cl(1),Br(2)]和双核Mo 2 O 4 X 2 L 2 [L =配体,X = Cl(3),Br(4)]与钼(V)的配合物。通过元素分析,红外,紫外-可见光谱,EPR研究,磁化率,热重分析和循环伏安法对配体和配合物进行了全面表征。磁矩测量表明,单核络合物是顺磁性的,而双核络合物本质上是抗磁性的。EPR研究还证实了复合物中存在单核Mo(V)部分。已经进行了相关密度泛函理论(DFT)计算以确定合成的化合物的结构。通过浓度依赖性吸收和荧光滴定实验研究了合成化合物与牛血清白蛋白(BSA)的结合方式和相互作用机理。配体和配合物1 - 4筛选了它们针对三种不同的人类癌细胞系,即宫颈