T=90°C; 5 h; RefluxInert atmosphere;

in acetonitrile reduction (PtCl4(MeCN)2) with Ph3P=CHCO2Me in MeCN; soln. was filtered and evapd., residue was recrystd. from hot EtOH; elem. anal.;

in water byproducts: KCl; stirred overnight at room temp.; filtered (removal of (Pt(CH3CN)2Cl2)), filtrate evapd. to dryness under reduced pressure, dissolved in water, filtered, evapd. to dryness, dissolved in acetone, filtered (removal of KCl), evapd. to drynes, washed with ether, filtered, dried;

in not given treatment with methyl cyanide in neutral soln.;;

in not given

in dichloromethane stoich mixt.;

in dichloromethane stoich mixt.;

in dichloromethane stoich mixt.;

in acetonitrile react. of (PtCl2(NCCH3)2) with 2 equiv of P(C2H5)3 in CH3CN after the method of Hartley et al. (Inorg. Chem., 18 (1979) 1394);