1: 99 percent / 4-N,N-dimethylaminopyridine (DMAP) / pyridine / 1 h / 20 °C 2: 97 percent / H2 / Pd(OH)2-C / methanol 3: 44 percent / phenylselenochloride (PhSeCl); silver triflate (AgOTf); 4 Angstroem molecular sieves / 1,2-dichloro-ethane / 1 h / 0 °C 4: 70 percent / K2CO3 / methanol / 0.5 h / 20 °C View Scheme