1: in water T=20°C; Darkness; 2: With Amberlite-HCl pH=9 - 10; Darkness;

sodium hydroxide in water addn. of sodium glycolate to Pt-complex in H2O; pH was adjusted to 7 with NaOH; stirring for 3 h; concn. at 50-60°C under reduced pressure; filtration; washing (chilled water); drying (vac.); elem. anal.;

in water aq. soln. of Pt-complex was passed through column with anion exchange resin (OH(1-) type); addn. of glycolic acid to eluate; room temp., 24 h; heating at 55°C for 6 h; crystn. on concn.; filtration; recrystn. (water); elem. anal.;

in water Kinetics; 59+/-2°C; monitoring by HPLC, no isolation;