in dichloromethane (OC)5ReFBF3 is suspended in CH2Cl2 under N2, addn. of trimethylvinylsilane, mixture is stirred for 72 h at room temp.; yellow soln. and colourless ppt. are obained, sepn. of ppt. and drying under vac., elem. anal.;

in dichloromethane (OC)5ReFBF3 is suspended in CH2Cl2 under N2, addn. of trimethylvinylsilane, mixture is stirred for 72 h at room temp.; yellow soln. and colourless ppt. are obained, sepn. of ppt. and drying under vac., elem. anal.;

phosphorus trichoride in dichloromethane byproducts: BF3; under N2, reaction of equimolar amounts, stirring for 45 h until clear soln., dropping into hexane at -78 °C, stirred for 20 min, pptn.; ppt. isolated, dried in high vac.; elem. anal.;

1: air or moisture / neat (no solvent, solid phase) 2: neat (no solvent) View Scheme