pyridine; hydroxylamine hydrochloride in methanol 5 h; Heating;

1: 70 percent / AlCl3 / nitrobenzene / 8 h / Ambient temperature 2: 71 percent / Zn(Hg), HCl 3: 63 percent / AlCl3 / 1,2-dichloro-ethane / 8 h / 110 - 120 °C 4: 83 percent / hydroxylamine hydrochloride, pyridine / methanol / 5 h / Heating View Scheme

1: 63 percent / AlCl3 / 1,2-dichloro-ethane / 8 h / 110 - 120 °C 2: 83 percent / hydroxylamine hydrochloride, pyridine / methanol / 5 h / Heating View Scheme

1: 71 percent / Zn(Hg), HCl 2: 63 percent / AlCl3 / 1,2-dichloro-ethane / 8 h / 110 - 120 °C 3: 83 percent / hydroxylamine hydrochloride, pyridine / methanol / 5 h / Heating View Scheme

1: 70 percent / AlCl3 / nitrobenzene / 8 h / Ambient temperature 2: 71 percent / Zn(Hg), HCl 3: 63 percent / AlCl3 / 1,2-dichloro-ethane / 8 h / 110 - 120 °C 4: 83 percent / hydroxylamine hydrochloride, pyridine / methanol / 5 h / Heating View Scheme