lithium aluminium tetrahydride in tetrahydrofuran; 1,4-dioxane 20 h; Heating;

sodium hydroxide in ethanol; water 1 h; Heating;

1.1: acetic acid / ethanol / 23 h / Heating 1.2: 84 percent / NaBH4 / ethanol / 0.5 h / 0 - 20 °C 2.1: 94 percent / Ac2O / 1 h / 70 °C 3.1: 75 percent / NaIO4 / H2O; methanol / 5 h / 20 °C 4.1: 78 percent / TFAA; BF3*Et2O / benzene / 3 h / 20 °C 5.1: 71 percent / NiCl*6H2O; NaBH4 / methanol; tetrahydrofuran / 0.33 h / 0 °C 6.1: 93 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme

1: 94 percent / Ac2O / 1 h / 70 °C 2: 75 percent / NaIO4 / H2O; methanol / 5 h / 20 °C 3: 78 percent / TFAA; BF3*Et2O / benzene / 3 h / 20 °C 4: 71 percent / NiCl*6H2O; NaBH4 / methanol; tetrahydrofuran / 0.33 h / 0 °C 5: 93 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme

1: 75 percent / NaIO4 / H2O; methanol / 5 h / 20 °C 2: 78 percent / TFAA; BF3*Et2O / benzene / 3 h / 20 °C 3: 71 percent / NiCl*6H2O; NaBH4 / methanol; tetrahydrofuran / 0.33 h / 0 °C 4: 93 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme

1: 71 percent / NiCl*6H2O; NaBH4 / methanol; tetrahydrofuran / 0.33 h / 0 °C 2: 93 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme

1: 78 percent / TFAA; BF3*Et2O / benzene / 3 h / 20 °C 2: 71 percent / NiCl*6H2O; NaBH4 / methanol; tetrahydrofuran / 0.33 h / 0 °C 3: 93 percent / NaOH / ethanol; H2O / 1 h / Heating View Scheme

1: With sodium azide; sulfuric acid Schmidt reaction; 2: With borane in tetrahydrofuran 18 h; Reflux;