hydroxylamine hydrochloride; sodium acetate in methanol T=15°C; 2 h;

1: 36 percent / N-bromosuccinimide, dibenzoyl peroxide / CCl4 / 50 °C 2: 81 percent / sodium azide, sodium iodide / Ambient temperature 3: 82 percent / conc. sulfuric acid / 24 h / 0 - 12 °C View Scheme

hydrogenchloride

1: aqueous NaOH; pyridine 2: aqueous HCl View Scheme

1: aq.-ethanolic NaOH; AgNO3 View Scheme