palladium diacetate; potassium carbonate; triphenylphosphine in methanol; acetonitrile T=50°C; Suzuki Coupling; 24 h; Inert atmosphere; regioselective reaction;

bis-triphenylphosphine-palladium(II) chloride in tetrahydrofuran T=20°C; Negishi Coupling; 0.5 h; Inert atmosphere; regioselective reaction;

tetrakis(triphenylphosphine) palladium(0); potassium carbonate in tetrahydrofuran; water T=80°C; Suzuki coupling; 24 h; Inert atmosphere;