1: 75 percent / NaOH / methanol; H2O / Ambient temperature 2: 68 percent / H2 / 10percent Pd/C / ethanol / 5 h / 2068.6 Torr 3: 60 percent / decalin / 3 h / 160 °C 4: 50 percent / Ag2O, nitric acid / dioxane / 0.25 h / Ambient temperature View Scheme

Multi-step reaction with 2 steps 1: 75 percent / NaOH / methanol; H2O / Ambient temperature2: 68 percent / H2 / 10percent Pd/C / ethanol / 5 h / 2068.6 Torr