potassium carbonate in acetone Heating;

tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine in 1,4-dioxane T=100°C; 3 h;

tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine in various solvent(s) 2 h; Heating; Yield given. Yields of byproduct given;