Stereochemistry and mechanism of cleavage of the platinum–carbon σ-bond by peroxy acid

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Abstract
With m-chloroperbenzoic acid [(PhCHD)PtCl-(PPh3)2] yields [2H]benzyl m-chlorobenzoate and [2H]-benzyl alcohol with retention of stereochemistry at carbon, and the ratio of m-chlorobenzoate: alcohol product on oxidation of [(ArCH2)PtCl(PPh3)2](Ar = Ph or p-NO2C6H4) and of cis-[Bun 2Pt(PPh3)2] depends on the polarity of the group which is cleaved; in [RhH(CO)(PPh3)3] the hydride is cleaved by ButO2H.