triphenylphosphine in dichloromethane to soln. of Pt complex was added slight excess of PPh3; after 2 h soln. was evapd. to dryness in vac., residue was washed with hexane; elem. anal.;

triphenylphosphine in dichloromethane to soln. of Pt complex was added slight excess of PPh3; after 2 h soln. was evapd. to dryness in vac., residue was washed with hexane; elem. anal.;

triphenylphosphine in dichloromethane to soln. of Pt complex was added slight excess of PPh3; after 2 h soln. was evapd. to dryness in vac., residue was washed with hexane; elem. anal.;