copper(l) iodide; triphenyl-arsane; tris(dibenzylideneacetone)dipalladium (0) in 1-methyl-pyrrolidin-2-one T=60°C; Reduction; Stille reaction; 2 h; Product distribution; Further Variations:CatalystsTime;

tris(dibenzylideneacetone)dipalladium (0) Substitution; Product distribution; Further Variations:Reagents;

in benzene 10 h; Irradiation;

ammonium chloride in hexane; benzene soln. of NH4Cl in benzene cooled in ice bath, slowly addn. of Al(CH3)3 in hexane, cloudy soln. stirred in ice bath for 30 min, at room temp. for 2 h, soln. transferred to flask with soln. of tin ester, soln. heated at 60°C overnight; diluted with CHCl3, organic layer washed with water, dried over MgSO4, filtrn., evapn. in vac. left brown residue, purified by column chromy.; elem. anal.;

in dimethyl sulfoxide; benzene Irradiation (UV/VIS); mixt. of substrate and mercurial is irradiated in nitrogen-purged solvent in Pyrex tube with 350-nm Rayonet photoreactor for 5 h; mixt. is poured into water, extd., extract is washed twice with aq. sodium thiosulfate, dried over anhyd. Na2SO4, concd.; (1)H-NMR, GLC (E/Z ratio 23.0), GCMS;