1: 1-Me-AZADO; [bis(acetoxy)iodo]benzene / dichloromethane / 12 h / 20 °C 2: Wilkinson's catalyst; diethylzinc / tetrahydrofuran / 3 h / -20 °C 3: 1,8-diazabicyclo[5.4.0]undec-7-ene / dichloromethane / 12 h / 0 °C 4: sodium cyanoborohydride; acetic acid / tetrahydrofuran / 144 h / 0 °C 5: hydrogenchloride / 2,2,2-trifluoroethanol; water / 0.5 h / 20 °C 6: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 12 h / 20 °C 7: methanol / 2.5 h / 20 °C 8: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 12 h / 20 °C 9: silica gel / chloroform; ethyl acetate / 0.25 h 10: AZADO; [bis(acetoxy)iodo]benzene / dichloromethane / 4 h / 20 °C 11: hydrogen fluoride / water; acetonitrile / 1.5 h / 20 °C 12: pyridine; dichlorotriphenylphosphorane / acetonitrile / 2 h / 20 °C View Scheme