1: tris-(dibenzylideneacetone)dipalladium(0); dicyclohexyl(2',6'-diisopropoxy-[1,1'-biphenyl]-2-yl)phosphine; potassium phosphate / 1,4-dioxane / 1 h / 120 °C / |Inert atmosphere; |Microwave irradiation 2: hydrogenchloride / tetrahydrofuran / 20 °C / |Inert atmosphere View Scheme