PPh3 in light petroleum dissolving (Pt(cod)2 in light petroleum satd. with ethylene; PPh3 addn.;

triphenylphosphine in hexane byproducts: COD; 4 equiv. phosphine, stirring for 2 h (N2-atmosphere); evapn., drying (vac., room temp., 24 h); elem. anal.;

triphenylphosphine in hexane byproducts: COD; 4 equiv. phosphine, stirring for 2 h (N2-atmosphere); evapn., drying (vac., room temp., 24 h); elem. anal.;

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in toluene N2-atmosphere; stoich. amts., 30 min; solvent removal, dissoln. in hexane, pptn. on concn. and cooling to -30°C, drying (vac.), recrystn. (addn. of hexane to PhMe soln. with cooling); elem. anal.;