N,N,N',N,-tetramethylethylenediamine; tris-(dibenzylideneacetone)dipalladium(0); 9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene in N,N-dimethyl-formamide T=160°C; 0.0666667 h; Sealed tubeMicrowave irradiation;

1: With Pd2(PPh3)2Cl2 in toluene 2 h; Heating / reflux; 2: With hydrogenchloride; water in toluene 0.5 h;

hydrogenchloride; water in ethanol T=20°C; 1 h;

tetrakis(triphenylphosphine) palladium(0) in tetrahydrofuran T=22°C; 16 h; Inert atmosphere;