Anticancer activity and cell death mechanism of Pt(II) complexes: Their in vitro bio-transformation to Pt(II)-DNA adduct formation and BSA binding study by spectroscopic method
作者:Rituparna Bhaduri、Subhajit Mukherjee、Ishani Mitra、Subarna Ghosh、Urmi Chatterji、Subba Reddy Dodda、Sankar Ch. Moi
DOI:10.1016/j.saa.2021.120096
日期:2021.12
Pt(II) complex cis-[Pt(PEA)(OH2)2] X2, C-2 (where, PEA = 2-Pyridylethylamine and X = ClO4− or NO3–) was synthesized by hydrolysis of cis-[Pt(PEA)Cl2] C-1. Glutathione (GSH) and DL-penicilamine (DL-pen) substituted complexes cis-[Pt(PEA)(GSH)],C-3 and cis-[Pt(PEA)DL-pen)]X C-4 were synthesized and characterized by spectroscopic methods. Kinetic studies were traced on complex C-2 with the thiols, GSH
Pt(II) 络合物 cis-[Pt(PEA)(OH 2 ) 2 ] X 2 , C-2(其中,PEA = 2-吡啶基乙胺和 X = ClO 4 -或 NO 3 -)通过顺式水解合成[Pt(PEA)Cl 2 ] C-1。合成了谷胱甘肽 (GSH) 和 DL-青霉胺 (DL-pen) 取代的复合物 cis-[Pt(PEA)(GSH)]、C-3和 cis-[Pt(PEA)DL-pen)]X C-4,并用光谱方法表征。对具有硫醇、GSH 和 DL-pen 的复合物C-2进行动力学研究。取代产物C-3和C-4 的Pt(II)-硫加合物形成机制由动力学研究确定。在 pH 4.0 时,C-2 -硫醇相互作用遵循两个连续步骤:第一步是依赖的,第二步与 [硫醇] 无关。结合平衡常数 ( K E )、两个步骤的取代率常数 (k 1 & k 2 ) 和活化参数 (ΔH ‡和 ΔS ‡)已被评估以提出该机制。进行具有复合物的
Complexation d'iminopyridines par le sel de zeise: voie d'access a des conjugues estradiol-cis-dichloro platine. Etude structure du complexe cis-PtCl2[C5H4NCH2NC(CH3)C6H4OH],H2O
作者:Philippe Pointeau、Henri Patin、Abdelhamid Mousser、Jean-Yves Le Marouille
DOI:10.1016/0022-328x(86)80303-5
日期:1986.9
and characterized. The (2-pyridyl)CHNR1 and (2-pyridyl)CH2NCR1R2 ligands react with Zeise'ssalt to afford directly the pentagonal chelates PtCl2L. Their structure and the cis-stereo-chemistry were shown by the usual spectroscopic methods and for cis-PtCl2[C5H4NCH2NC(CH3)C6H4OH],H2O by an X-ray diffractionstudy. On the other hand, the (2-pyridyl)(CH2)2NCR1R2 ligands do not afford the expected hexagonal
A series of Pt(II) complexes [Pt(PEA)Cl2], Pt1; [Pt(PEA)(OH2)2](NO3)2, Pt2; [Pt(PEA)(LC)]+ Pt3; [Pt(PEA)(NAC)] Pt4; [Pt(PEA)(CBDCA)] Pt5, and [Pt(PEA)(ox)] Pt6 with nitrogen, sulfur, and oxygen donors (where, PEA= 2-pyridylethylamine, LC = L-cysteine and NAC = N-acetyl-L-cysteine, CBDCA2- = cyclobutyl-1,1-dicarboxylate, ox2- = oxalate) have been synthesized and spectroscopically characterized for evaluation