triethylamine; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=120°C; 5 h;

triethylamine; (Ph3P)2Pd(Ph)(Br) in tetrahydrofuran T=140°C; 5 h;

triethylamine; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=120°C; 5 h;

triethylamine; tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=120°C; 5 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;