1: NaIO4 / Ambient temperature 2: 1.) Pd(PPh3)4, aq. NaCO3; 2.) Mo(CO)6 / 1.) PhH, reflux; 2.) PhH, MeCN, H2O, reflux, 10 h 3: 80 percent / NaBH4, CeCl3 / methanol / 0 °C 4: 65 percent / Bu3P, DEAD / tetrahydrofuran / Ambient temperature 5: Dowex 50X8-100 / methanol / Ambient temperature 6: pyridine, DMAP / Ambient temperature 7: 40 percent / Tf2O, DMAP / CH2Cl2 / 0 °C 8: Amberlyst A21 / methanol / Ambient temperature 9: LiCl / dimethylformamide / 120 °C View Scheme