... Macromolecules , 2004, 37 (21), pp 7945 ... 1 equiv), dibromo compounds M1−M8 (1 equiv), and tetrakis(triphenylphosphine)palladium (1.0 mol %) was added in a degassed mixture of toluene ([monomer] = 0.2 M) and aqueous 2 M potassium carbonate (3:2 in volume). ...