potassium hydroxide in ethanol 2 h; Heating;

potassium hydroxide in ethanol 3 h; Heating;

1: hydroxylamine hydrochloride, K2CO3 / aq. ethanol / 2 h / Ambient temperature 2: 75 percent / 2,4,6-trichloro-1,3,5-triazine, pyridine / CH2Cl2 / 1.5 h / Heating 3: 63 percent / KOH / ethanol / 2 h / Heating View Scheme

1: 75 percent / 2,4,6-trichloro-1,3,5-triazine, pyridine / CH2Cl2 / 1.5 h / Heating 2: 63 percent / KOH / ethanol / 2 h / Heating View Scheme

1: NaNO22, aq. H3PO2 2: KOH / ethanol / 3 h / Heating View Scheme

sulfuric acid 15 h; Heating;