1: 84 percent / Bu4N+OH-, NaOH / CH2Cl2 / 0.83 h / Heating 2: 37 percent / conc. H2SO4, KNO3 / acetic acid / 2 h / 20 °C 3: 1.) H2 / 1.) Raney nickel / 1.) EtOH, 40-45 min, 2.) 20 deg C, 3.5 h View Scheme

1: 84 percent / Bu4N+OH-, NaOH / CH2Cl2 / 0.83 h / Heating 2: 37 percent / conc. H2SO4, KNO3 / acetic acid / 2 h / 20 °C View Scheme

1: 84 percent / Bu4N+OH-, NaOH / CH2Cl2 / 0.83 h / Heating 2: 69 percent / conc. H2SO4 / 0.42 h / Heating View Scheme