[κ2-((tBu)2PCMe2CH2)PtCl]2; methyl-magnesium chloride in tetrahydrofuran; dichloromethane T=-45 - 50°C; Schlenk techniqueSealed tubeInert atmosphere; Reagent/catalystSolvent; Overall yield = 85 percent; Overall yield = 10.2 g;

magnesium 1.) THF, 0 to 20 deg C, 2.) THF; Yield given. Multistep reaction;

dihydrogen hexachloroplatinate in benzene 20 h; Heating;