1,4-diaza-bicyclo[2.2.2]octane; 4-(N,N-dimethlyamino)pyridine; tris(dibenzylideneacetone)dipalladium(0) chloroform complex; triphenylphosphine in N,N-dimethyl acetamide T=80°C; P=5171.62 Torr; 24 h; Autoclave;