ammonia; silver trifluoromethanesulfonate in methanol T=120°C; 2 h; Microwave irradiationsealed tube; regioselective reaction;

ammonium hydroxide; sodium hydrogensulfite T=200°C; Bucherer reaction; 48 h;

hydrazine hydrate T=200°C; 24 h;

1: 90 percent / NH2OH*HCl, sodium acetate / H2O; ethanol / 0.25 h / Heating 2: 1.) acetic anhydride, 2.) HCl gas, 3.) NH3 / 1.) acetic acid, 100 deg C, 10 min, 2.) 100 deg C, 1 h, 3.) H2O View Scheme