Abstract
The solvolyses of the complexes cis-Pt(L 2)X 2, where L 2 is two NH 3 molecules or ethylenediamine and X = Cl −, Br −, or I −, in dimethylsulphoxide solution were studied by 195Pt NMR spectroscopy. The rates followed the order:iodides > bromides > chlorides. Products were identified by their chemical shifts and, where possible, 195Pt 15N coupling constants. In general, cis-bis-dimethylsulphoxide complexes were destabilized and only seen when silver ions were added to remove competing halide ligands. Studies on the interaction of OH − ions with Pt(II) DMSO complexes in aqueous and DMSO solutions are also reported.
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