lithium aluminium tetrahydride in tetrahydrofuran 3 h; Heating;

1: AcOH / 0.5 h / Heating 2: LiAlH4 / tetrahydrofuran / 18 h / 20 °C View Scheme

1: 74 percent / triethylamine / tetrahydrofuran / 2 h / Ambient temperature 2: 60 percent / potassium carbonate / dimethylformamide / 1 h / 90 °C 3: 40 percent / 12N hydrochloric acid / tetrahydrofuran / 20 h / Ambient temperature 4: 80 percent / lithium aluminum hydride, 100percent sulfuric acid / tetrahydrofuran / 2 h / 0 - 5 °C View Scheme