bis-triphenylphosphine-palladium(II) chloride in tetrahydrofuran (N2), stirred for 3-5 h at 50°C, cooled to room temp.; diluted with benzene, washed with water and brine, dried over MgSO4;

bis-triphenylphosphine-palladium(II) chloride in tetrahydrofuran (N2), stirred for 3-5 h at 50°C, cooled to room temp.; diluted with benzene, washed with water and brine, dried over MgSO4;