1: 87 percent / LiAlH4 / tetrahydrofuran / -78 - 20 °C 2: imidazole, pyridinum toluene-p-sulphonate / 1.) dimethylformamide 2.) Ch2Cl2 3: 84 percent / NaIO4, KMnO4, Na2CO3, CH2N2 / dioxane; H2O; diethyl ether 4: 81 percent / NaH, hexamethylphosphoramide / dimethylsulfoxide; hexamethylphosphoric acid triamide; H2O / 175 °C View Scheme

With  lithium aluminium tetrahydride in  tetrahydrofuran T=-78 - 20°C;   

Multi-step reaction with 2 steps 1: 87 percent / LiAlH4 / tetrahydrofuran / -78 - 20 °C2: imidazole, pyridinum toluene-p-sulphonate / 1.) dimethylformamide 2.) Ch2Cl2  

Multi-step reaction with 3 steps 1: 87 percent / LiAlH4 / tetrahydrofuran / -78 - 20 °C2: imidazole, pyridinum toluene-p-sulphonate / 1.) dimethylformamide 2.) Ch2Cl2 3: 84 percent / NaIO4, KMnO4, Na2CO3, CH2N2 / dioxane; H2O; diethyl ether  

With  lithium diisopropyl amide in  tetrahydrofuran; N,N,N',N',N'',N''-hexamethylphosphoric triamide T=-55°C; 1 h;   

Multi-step reaction with 3 steps 1: 77 percent / N,N'-carbonyldiimidazole / tetrahydrofuran2: 61 percent / AlCl3, Et3N / CH2Cl2 / 0 °C3: CF3COOAg / tetrahydrofuran / Ambient temperature