sodium carbonate; bis-triphenylphosphine-palladium(II) chloride in ethylene glycol dimethyl ether; water T=90°C; 3 h;

1: With sodium carbonate; bis-triphenylphosphine-palladium(II) chloride in ethylene glycol diethyl ether; water T=100°C; 1 h; 2: With sodium hydroxide in ethylene glycol diethyl ether; water T=90°C; 3 h;

sodium hydroxide; sodium carbonate in 1,2-dimethoxyethane (30 mL)-water

in acetone; benzene 20 h; Irradiation;