hydrogenchloride; acetic anhydride 1.) 120-130 deg C, 2.5 h, 2.) reflux, 2 h; Yield given. Multistep reaction;

1: 30percent H2O2, acetic acid 2: 1.) acetic anhydride, 2.) 10percent hydrochloric acid / 1.) 120-130 deg C, 2.5 h, 2.) reflux, 2 h View Scheme