potassium fluoride in tetrahydrofuran Solid HgCl2 is added to a soln. of the ethene-compd. in THF at room temp. After 20 h stirring KF is added.; After filtn. and removal of the solvent the residue is sublimed at 80°C/10-E2 torr, giving a highly viscous oil; elem. anal.;

potassium fluoride in tetrahydrofuran MeHgCl is added to a soln. of the ethene-compd. in THF at 70°C for 14 d under stirring and under an inert atmosphere. After this KF is added.; After filtn. and removal of the solvent the residue is sublimed at 80°C/10-E2 torr, giving a highly viscous oil; elem. anal.;

methyllithium in tetrahydrofuran T=-78°C; 0.5 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;

PhCH2Pd(PPh3)2Cl T=80°C; 200 h;