potassium carbonate in N,N-dimethyl-formamide T=120°C; 1 h;

3,4,5,6-tetramethyl-t-Bu-X-Phos; potassium phosphate; tris-(dibenzylideneacetone)dipalladium(0) in toluene T=120°C; 5 h; Inert atmosphere; regioselective reaction;