in chloroform under Ar, Ni complex and ligand stirred in CHCl3 for 5 min; filtered, filtrate dropped in ether, filtered, dried in vac., elem. anal.;

in tetrahydrofuran reaction in a calorimeter under argon;

in dichloromethane mixing equimolar amts. of Pt{S2P(OEt)2} and ape in CH2Cl2 at 25°C gave in fast reaction {(ape)Pt{S2P(OEt)2}}(1+) and than slow (ape)Pt{S2P(O)OEt} and EtS2P(OEt)2; identified by NMR;