tetrakis(triphenylphosphine) palladium(0); potassium acetate in N,N-dimethyl acetamide 12 h; Heating;

sodium hydroxide; tetrakis(triphenylphosphine) palladium(0); potassium acetate 1.) N,N-dimethylacetamide, reflux, 12 h, 2.) dioxane, MeOH, RT, 12 h; Yield given. Multistep reaction. Yields of byproduct given;