in dichloromethane Pt complex and org. compd. stirred together in CH2Cl2 for 3 h; removal of solvent, rerystn. (CH2Cl2-MeOH); elem. anal.;

pyridine in tetrahydrofuran soln. of pyridine in THF slowly added to soln. of Pt complex in THF, mixture stirred for 1 h; evapn. in vac., recrystn. (CH2Cl2-MeOH); elem. anal.;

in tetrahydrofuran Pt complex and org. compd. stirred together in THF; removal of solvent, rerystn. (CH2Cl2-MeOH); elem. anal.;