sodium in butan-1-ol Heating;

1: 19.9 g / pyridine / 12 h / 0 °C 2: potassium carbonate / cyclohexanone / 6 h / Heating 3: 11.2 g / potassium hydroxide / ethanol; H2O / 6 h / Heating 4: 8.5 g / concentrated hydrochloric acid / H2O / 12 h / Ambient temperature 5: 1.4 g / hydrogen / Pd-5percent on charcoal / various solvent(s) / 760 Torr / Ambient temperature View Scheme