tris(dibenzylideneacetone)dipalladium(0) chloroform complex; tris-(o-tolyl)phosphine; lithium chloride in 1,4-dioxane T=85°C; 12 h;

potassium phosphate; tetrakis(triphenylphosphine) palladium(0) in ethylene glycol dimethyl ether T=85°C; 10 h;