1: 93 percent / lithium aluminum hydride 2: 85 percent / lithium, NH3 (liquid), t-butanol 3: 75 percent / pyridinium chlorochromate / CH2Cl2 4: 75 percent / tetrahydrofuran / -78 °C 5: hydrogen / P-2 Ni 6: acid / methanol View Scheme

1: 93 percent / lithium aluminum hydride 2: 85 percent / lithium, NH3 (liquid), t-butanol 3: 75 percent / pyridinium chlorochromate / CH2Cl2 View Scheme

With  lithium aluminium tetrahydride  

Multi-step reaction with 4 steps 1: 93 percent / lithium aluminum hydride2: 85 percent / lithium, NH3 (liquid), t-butanol3: 75 percent / pyridinium chlorochromate / CH2Cl2 4: 75 percent / tetrahydrofuran / -78 °C  

Multi-step reaction with 5 steps 1: 93 percent / lithium aluminum hydride2: 85 percent / lithium, NH3 (liquid), t-butanol3: 75 percent / pyridinium chlorochromate / CH2Cl2 4: 75 percent / tetrahydrofuran / -78 °C5: hydrogen / P-2 Ni