1: cis-(N-methyl-ethylenediamine)diiodoplatinum(II) With silver nitrate in water T=50°C; 24 h; 2: potassium chloride

in water mixing, stirring for 15-20 min; ppt. was filtered off, recrystd. from hot 0.1 M HCl; elem. anal.;

silver sulphate in water byproducts: AgI; Ag:Pt=1.28:0.65 molar ratio, Pt compd. added to a soln. of Ag salt, stirred overnight at 40°C in the dark, filtered, KCl (excess) added, stored for 24 h; ppt. centrifuged, washed (cold water, ethanol, diethyl ether), dried (vac.);

tetraethylammonium chloride; N(Et)4ClO4 in methanol Kinetics; at 25°C; monitored by UV (260-360 nm);

in methanol Kinetics; byproducts: Fe(C5H5)2(1+), Cl(1-); at 25-45°C; monitored by UV (280-400 nm);

in methanol Kinetics; reduction of Pt(IV)-complex by Pt(II)-complex in MeOH in the presence of chloride ions depending on temperature (25, 35, 45°C); monitored by UV-spectroscopy;