in diethyl ether A soln. of HgCl2 in Et2O is added at room temp. during 20 min to a soln. of 1-phenyl-1,2-bis(trimethylstannyl)-ethene in Et2O (molar ratio 1:1)under an inert atmosphere.; A white solid separates immediately. Approximately 0.5 h later elemental Hg separates.;

in diethyl ether A soln. of HgCl2 in Et2O is added at room temp. during 20 min to a soln. of 1-phenyl-1,2-bis(trimethylstannyl)-ethene in Et2O (molar ratio 1:1)under an inert atmosphere.; A white solid separates immediately. Approximately 0.5 h later elemental Hg separates.;

palladium dichloride in N,N-dimethyl-formamide 2 h; Ambient temperature;

1: 68 percent / PdCl2 / dimethylformamide / 2 h / Ambient temperature 2: 67 percent / PdCl2 / dimethylformamide / 2 h / Ambient temperature View Scheme