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;
Diez-Martin, David; Kotecha, Nikesh R.; Ley, Steven V.; Mantegani, Sergio; Menendez, J. Carlos; Organ, Helen M.; White, Andrew D.; Banks, Bernard J.
Tetrahedron, 1992 , vol. 48, # 37 p. 7899 - 7938