hydroxylamine; acetic acid in isopropyl alcohol T=50°C; 24 h;

hydroxylamine hydrochloride; sodium acetate in methanol T=50°C; 13 h;

1: With methyl propen-2-yl ether; pyridin-2-yl hydrobromide; potassium hexamethylsilazane in dichloromethane 2: With formic acid; sodium hydrogensulfite in ethanol; dichloromethane T=82 - 84°C;

sodium ethanolate in acetone T=0 - 5°C; 0.416667 h;