potassium carbonate in acetone 1 h; Heating;

hydrogenchloride; potassium hydroxide 1) EtOH, 48 h, room temp.; Yield given. Multistep reaction;

1: 1) aq. KOH, 2) dil. HCl / 1) EtOH, 48 h, room temp. 2: 2.0 g / K2CO3 / acetone / 2 h / Heating 3: 0.3 g / thallium(III) trinitrate / methanol / 4 h / Ambient temperature View Scheme