1: ethanol; NH2OH+HCl 2: ethanol View Scheme

ethanol; hydrazine hydrate

1: With trifluorormethanesulfonic acid; magnesium sulfate in chlorobenzene T=100°C; Friedlaender type synthesis; 1.5 h; Inert atmosphere; 2: With potassium tert-butylate in chlorobenzene T=100°C; Friedlaender type synthesis; 0.166667 h; Inert atmosphere;