tris(p-fluoro phenyl)phosphine; [RhCl(η2:η2-cycloocta-1,5-diene)]2 in N,N-dimethyl-formamide T=85°C; 2 h;

1: CuI; diethylamine / PdCl2(PPh3)2 / 25 °C 2: potassium carbonate / methanol / 25 °C 3: 77 percent / tris(4-fluorophenyl)phosphine / [Rh(COD)Cl]2 / dimethylformamide / 2 h / 85 °C View Scheme