1: 2,2'-bis-(diphenylphosphino)-1,1'- binaphthyl; tris-(dibenzylideneacetone)dipalladium(0); sodium t-butanolate / anhydrous xylene / 2 h / 125 - 130 °C / |Inert atmosphere 2: hydrogenchloride / water; tetrahydrofuran / 20 °C / |Inert atmosphere; |Large scale View Scheme