in dichloromethane Ph3P=CHCO2Me was added to soln. Pt(IV) complex in CH2Cl2, react. mixt. was kept at room temp. for 3 h; solvent was evapd., residue was chromed. on silica using CH2Cl2/Et2O (9:1) as eluent;
Klok, R.; Moehlmann, W. M. M.; Wolf, L. van der; Pabon, H. J. J.
Recueil: Journal of the Royal Netherlands Chemical Society, 1980 , vol. 99, # 4 p. 132 - 137