Polyhedron p. 360 - 368 (2018)
Update date:2022-08-16
Topics:
Jomaa, Mohammed Y.
Altaf, Muhammad
Ahmad, Saeed
Alhoshani, Ali
Baig, Nadeem
Kawde, Abdel-Nasser
Bhatia, Gaurav
Singh, Jatinder
Isab, Anvarhusein A.
Platinum(II) complexes of heterocyclic thiones (L) based on transplatin having the general formula, trans-[Pt(NH3)2(Thione)2](NO3)2 have been synthesized and characterized using elemental analysis, IR, and NMR (1H & 13C) spectroscopy. The crystal structures of two of them, trans-[Pt(NH3)2(Imt)2](NO3)2 (1) and trans-[Pt(NH3)2(Me2Imt)2](NO3)2 (3) were determined by X-ray crystallography. The structures of 1 and 3 consist of trans-[Pt(NH3)2L2]2+ complex ions and nitrate counter ions. The platinum atom in both the complex ions adopts a distorted square planar geometry. The spectroscopic data indicated the coordination of thione ligands to platinum(II). The in vitro cytotoxicity of these compounds as well as of cisplatin and carboplatin was investigated using MTT assay against three human cancer cell lines, which are; A549 (lung carcinoma), MCF-7 (breast carcinoma) and HTC15 (colon cancer). The in vitro cytotoxicity in several cases is comparable or even higher, than carboplatin and in two cases than cisplatin.
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