Multi-step reaction with 3 steps 1: H2 / 10percent Pd/C / tetrahydrofuran / 760 Torr / Ambient temperature2: p-TsOH, / CHCl3 / Ambient temperature3: Jones' reagent / acetone / 1 h / 10 °C  

Multi-step reaction with 6 steps 1: 84 percent / H2 / PtO2 / ethyl acetate / 48 h / 37503 Torr / Ambient temperature2: 73 percent / CF3SO3H / CH2Cl2 / 2 h / 0 - 20 °C3: 1.) 1 N KOH / 1.) dioxane, water, RT, 5 h, 2.) THF, HMPA, 24 h4: 73 percent / p-toluenesulfonic acid / CH2Cl2 / 3 h / -10 - 20 °C5: H2 / 10percent Pd/C / tetrahydrofuran / 4 h / 760 Torr / Ambient temperature6: benzenesulfonylchloride, pyridine / 0 °C