tetrakis(triphenylphosphine) palladium(0) in toluene T=110°C; Stille Cross Coupling; 12 h; Inert atmosphere;

iodine in dichloromethane byproducts: (CH3)3SnI; stirring a soln. of educt and iodine for 2 h at -20°C; evapn. of solvent; addn. of CDCl3; not isolated; detected by (1)H-NMR;