1: 1.) H2, 2.) potassium carbonate / 1.) 5percent Pd/C / 1.) acetone 2: 100 percent / Zn, 10percent NaOH / dioxane; H2O / 12 h / 70 °C 3: 80 percent / copper(II) nitrate / acetic anhydride / -20 °C View Scheme