1: 76 percent / 10percent NaOH / CH2Cl2 / 0.5 h / Ambient temperature 2: 98 percent / 4-dimethylaminopyridine / acetonitrile / 67 h / Ambient temperature 3: 1.) OsO4, pyridine, 2.) sodium hydrogen sulfite / 1.) RT, 3.5 h, 2.) water, RT, 2.5 h 4: 76 percent / NaIO4 / methanol; H2O / 0.08 h / Ambient temperature 5: 100 percent / K2CO3 / dimethylformamide / 2 h / 40 °C 6: 86 percent / TFA / CH2Cl2 / 0.17 h / Ambient temperature 7: H2 / 10percent Pd/C / acetic acid / 760 Torr / Ambient temperature View Scheme

1: 91 percent / acetic anhydride / 1 h / 70 °C 2: 92 percent / NaIO4 / H2O; methanol / 16 h / Ambient temperature 3: 1.) TFAA, 2.) BF3*Et2O / 1.) benzene, RT, 1 h, 2.) benzene, RT, 1 h 4: 80 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 5: 94 percent / 10percent aq. NaOH / ethanol / Ambient temperature View Scheme

1: 80 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 2: 94 percent / 10percent aq. NaOH / ethanol / Ambient temperature View Scheme

1: 92 percent / NaIO4 / H2O; methanol / 16 h / Ambient temperature 2: 1.) TFAA, 2.) BF3*Et2O / 1.) benzene, RT, 1 h, 2.) benzene, RT, 1 h 3: 80 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 4: 94 percent / 10percent aq. NaOH / ethanol / Ambient temperature View Scheme

1: 1.) TFAA, 2.) BF3*Et2O / 1.) benzene, RT, 1 h, 2.) benzene, RT, 1 h 2: 80 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 3: 94 percent / 10percent aq. NaOH / ethanol / Ambient temperature View Scheme

1: AcOH / ethanol / 18 h / Heating 2: NaBH4 / methanol / 1 h / Ambient temperature 3: 91 percent / acetic anhydride / 1 h / 70 °C 4: 92 percent / NaIO4 / H2O; methanol / 16 h / Ambient temperature 5: 1.) TFAA, 2.) BF3*Et2O / 1.) benzene, RT, 1 h, 2.) benzene, RT, 1 h 6: 80 percent / NaBH4, NiCl2*6H2O / methanol; tetrahydrofuran / 0.5 h / Ambient temperature 7: 94 percent / 10percent aq. NaOH / ethanol / Ambient temperature View Scheme