4 A molecular sieve; ammonia in xylene Heating;

1: aq. ethanol / 96 h / Ambient temperature 2: HCl, AcOH / H2O / 48 h / Heating 3: AcCl / 3 h / Heating 4: 1.) NH3, 2.) AcCl / 1.) benzene, ether, 2.) reflux View Scheme

1: AcONH4 / benzene; acetic acid / 18 h / Heating 2: aq. ethanol / 96 h / Ambient temperature 3: HCl, AcOH / H2O / 48 h / Heating 4: AcCl / 3 h / Heating 5: 1.) NH3, 2.) AcCl / 1.) benzene, ether, 2.) reflux View Scheme

1: AcCl / 3 h / Heating 2: 1.) NH3, 2.) AcCl / 1.) benzene, ether, 2.) reflux View Scheme