1: 82 percent / t-BuOK / dimethylformamide / 0.5 h / -20 - -10 °C 2: 30 percent / H2 / PtO2 / ethanol / 2 h / 20 °C / 1551.44 - 1810.02 Torr 3: 85 percent / ammonium formate / Pd/C / methanol / 20 °C View Scheme