1: 182 g / aq. NaOH / methanol / 0.5 h / 15 °C 2: 92 percent / Na, MeOH / 16 h / Heating 3: POCl3 / toluene / 1.5 h / Ambient temperature 4: sodium bis(2-methoxyethoxy)aluminum hydride / toluene / 1.5 h / 80 °C 5: 92.3 percent / H2 / 10percent Pd/C / methanol / 0.67 h / 760 Torr / Ambient temperature View Scheme