hydrogenchloride in dichloromethane-d2 byproducts: PHEt3(1+); condensing HCl onto frozen soln. of Pt-complex (-196°C), slow warming of sealed tube to room temp.; not isolated, reaction followed by (31)P-NMR spectroscopy;

sodium amalgam in tetrahydrofuran 1 atm, stirring, room temp., 60 min;