1: 90 percent / H2 / Pd/C (10 percent Pd) / methanol / Ambient temperature 2: 80 mg / Pb2O / CHCl3 / 0.08 h 3: 94 percent / HNO3 (65 percent) / 0.03 h View Scheme

Multi-step reaction with 5 steps 1: 91 percent / NaOAc, H2 / Pd/C (10 percent Pd) / methanol / 10 h / 40 - 45 °C / Irradiation2: 73 percent / 1) 2 N NaOH, 2) FeCl3*6H2O/HCl / 1) MeOH, reflux, 2) H2O3: 94 percent / Ag2O / CHCl3 / Heating4: Na2S2O4 / diethyl ether; CHCl3; H2O5: 82 percent / 2 N NaOH / dioxane / Ambient temperature