tetrakis(triphenylphosphine) palladium(0); lithium chloride in 1,4-dioxane T=90 - 95°C; 2.5 h;

sodium carbonate; palladium[O]tetrakis(triphenylphosphine) in tetrahydrofuran Heating;

potassium phosphate; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II) dichloromethane adduct; 2,6-di-tert-butyl-4-methyl-phenol in 1,4-dioxane T=100°C; 20 h;