sodium

1: 1.1 g / iodine, periodic acid / ethanol; H2O / 2 h / 60 - 70 °C 2: 1.) potassium carbonate, 2.) sodium hydroxide / 1.) acetone, reflux, 4 h, 2.) water 3: 0.7 g / sodium hydrogencarbonate / acetone / 6 h / Heating 4: potassium carbonate, potassium iodide / acetone / 30 h / Heating 5: 0.40 g / NN-dimethylaniline / 6 h / Heating View Scheme