Organoruthenium (II) complexes featuring pyrazole‐linked thiosemicarbazone ligands: Synthesis, DNA/BSA interactions, molecular docking, and cytotoxicity studies
作者:Priyanka Khanvilkar、Soumya R. Dash、Devjani Banerjee、Aliasgar Vohra、Ranjitsinh Devkar、Debjani Chakraborty
DOI:10.1002/aoc.6343
日期:2021.10
thiosemicarbazone ligands (L1–L4) were synthesized and reacted with [Ru(p-cymene)(μ-Cl)Cl]2 to yield a series of “piano-stool”-type binuclear ruthenium (II)–arene-thiosemicarbazone complexes (C1–C8) of the general type [(Ru(η6-p-cym)L)2(μ-im/azpy)] Cl1–2 (L = diphenylpyrazole thiosemicarbazone; cym = p-cymene; im = imidazole; azpy = 4,4′-azopyridine). The thiosemicarbazone ligands act as N and S donors
合成了一系列吡唑衍生的缩氨基硫脲配体(L1 - L4)并与[Ru( p -cymene)(μ-Cl)Cl] 2反应生成了一系列“钢琴凳”型双核钌(II) -芳烃-氨基硫脲复合物 ( C1 – C8 ) 的一般类型 [(Ru(η 6 - p -cym)L) 2 (μ-im/azpy)] Cl 1–2(L = 二苯基吡唑缩氨基硫脲;cym = 对伞花烃;im = 咪唑;azpy = 4,4'-偶氮吡啶)。氨基硫脲配体作为 N 和 S 供体通过亚胺氮和硫酮硫原子与 Ru(II) 中心结合。通过NMR、FTIR、UV-Vis光谱和ESI +质谱对配合物进行表征。评估了复合物与小牛胸腺脱氧核糖核酸 (CT-DNA) 和牛血清白蛋白 (BSA) 的结合,确定双核复合物对 DNA 具有良好的结合作用 (K b = 10 4 –10 5 M −1 ) 和 BSA (K a = 10 5 –10 6 M