1: vinyl-magnesium bromide With indium(III) chloride in tetrahydrofuran 2: 4-bromo-1-iodobenzene With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran Heating; 3: C24H20In(1-)*ClMg(1+) With tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran Heating;