Solution equilibrium, structural and cytotoxicity studies on Ru(η6-p-cymene) and copper complexes of pyrazolyl thiosemicarbazones
作者:Orsolya Dömötör、Márton A. Kiss、G. Tamás Gál、Nóra V. May、Gabriella Spengler、Márta Nové、Ana Čipak Gašparović、Éva Frank、Éva A. Enyedy
DOI:10.1016/j.jinorgbio.2019.110883
日期:2020.1
stability mononuclear Ru(η6-p-cymene) complexes with (N,S) coordination mode are formed in the acidic pH range, and increasing the pH the predominating dinuclear [(Ru(η6-p-cymene))2(L)2]2+ complex with μ2-bridging sulphur donor atoms is formed (where L− is the deprotonated thiosemicarbazone). [CuL]+ and [CuL2] complexes show much higher stability compared to that of complexes of the reference compound
两种二齿吡唑基硫代半咔唑2-((3-甲基-1-苯基-1H-吡唑-4-基)亚甲基)肼基碳硫代酰胺(Me-pyrTSC),2-((1,3-二苯基-1H-吡唑)的溶液化学性质-4-基)亚甲基)肼硫代甲酰胺(PH-pyrTSC),它们的铜(II)和Ru(η的稳定性6 - p -cymene)复合物通过结合使用UV-的特征在于水溶液(用30%DMSO)可见光分光光度法,1 H NMR光谱和电喷雾电离质谱法,以及它们的固相分离。的ME-pyrTSC∙H中的固相结构2 O,的[Ru(η 6 - p -cymene)(ME-pyrTSC)CL] Cl和[Cu(上PH-pyrTSCH -1)2通过单晶X射线衍射测定。高稳定性的单核钌(η 6 - p形成在酸性pH范围内配合物(N,S)的协调模式,并且提高pH值的双核为主[(茹(η-cymene)6 - p -cymene))2( L)2 ] 2+复合物与μ