One pot synthesis of structurally different mono and dimeric Ni(ii) thiosemicarbazone complexes and N-arylation on a coordinated ligand: a comparative biological study
作者:R. Prabhakaran、P. Kalaivani、P. Poornima、F. Dallemer、G. Paramaguru、V. Vijaya Padma、R. Renganathan、R. Huang、K. Natarajan
DOI:10.1039/c2dt12231f
日期:——
One pot synthesis of three structurally different Ni(II) thiosemicarbazone complexes 1, 2 and 3 were obtained from the reaction between [NiCl2(PPh3)2], 1,2-bis(diphenylphosphino)ethane, and [H2-(Sal-tsc)]. The obtained products were characterized by various spectral and analytical techniques. From the X-ray crystallographic analysis, an unexpected N-arylation on the coordinated salicylaldehydethiosemicarbazone was found in complex 2. The comparative biological evolutions such as DNA/protein binding, antioxidant, cytotoxicity (MTT, LDH, and NO) and cellular uptake studies have been examined for [Ni(Sal-tsc)(PPh3)] (1) and [(Ni(Sal-tsc))2(μ-dppe)] (3). When comparing the cytotoxicity of the complexes, 1 exhibited higher activity than 2 and 3 and by comparing with standard cis-platin, both of them were found to exhibit better activity under identical conditions.
通过[NiCl2(PPh3)2]、1,2-双(二苯基膦)乙烷和[H2-(Sal-tsc)的反应,一锅法合成了三种结构不同的Ni(II)缩氨基硫脲配合物1、2和3。 )]。通过各种光谱和分析技术对所得产物进行了表征。通过 X 射线晶体分析,在配合物 2 中发现了配位的水杨醛缩氨基硫脲上意外的 N-芳基化。DNA/蛋白质结合、抗氧化剂、细胞毒性(MTT、LDH 和 NO)和细胞摄取等比较生物进化研究表明,已检查 [Ni(Sal-tsc)(PPh3)] (1) 和 [(Ni(Sal-tsc))2(μ-dppe)] (3)。当比较复合物的细胞毒性时,1比2和3表现出更高的活性,并且通过与标准顺铂比较,发现它们在相同条件下都表现出更好的活性。