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

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

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

1: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 12 h / 20 °C 2: methanol / 2.5 h / 20 °C 3: 4-(N,N-dimethlyamino)pyridine; triethylamine / dichloromethane / 12 h / 20 °C 4: silica gel / chloroform; ethyl acetate / 0.25 h 5: AZADO; [bis(acetoxy)iodo]benzene / dichloromethane / 4 h / 20 °C 6: hydrogen fluoride / water; acetonitrile / 1.5 h / 20 °C 7: pyridine; dichlorotriphenylphosphorane / acetonitrile / 2 h / 20 °C View Scheme

1: AZADO; [bis(acetoxy)iodo]benzene / dichloromethane / 4 h / 20 °C 2: hydrogen fluoride / water; acetonitrile / 1.5 h / 20 °C 3: pyridine; dichlorotriphenylphosphorane / acetonitrile / 2 h / 20 °C View Scheme

1.1: dichloro-acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / dimethyl sulfoxide; toluene / 6 h / 23 °C / Inert atmosphere 2.1: n-butyllithium; zinc(II) chloride / Inert atmosphere 2.2: Inert atmosphere 3.1: ammonium cerium (IV) nitrate; water / methanol / 6 h / 0 °C / Inert atmosphere View Scheme