potassium hydroxide in ethanol 0.5 h;

1: sodium sulphate, concd. HCl, hydroxylamine hydrochloride / H2O / 0.08 h / Heating 2: 70 percent / concd. H2SO4 / 1.) 80 deg C, 14 min., 2.) 0 deg C, 0.5 h 3: 60 percent / 10percent potassium hydroxide / ethanol / 0.5 h View Scheme

1: 70 percent / concd. H2SO4 / 1.) 80 deg C, 14 min., 2.) 0 deg C, 0.5 h 2: 60 percent / 10percent potassium hydroxide / ethanol / 0.5 h View Scheme