1: 1.) concd. HCl; 2.) 13 N aq. KOH / 1.) EtOH, 6 h, reflux; 2.) MeOH, 4 h, reflux 2: 47percent aq. HBr, NaNO2 3: 47percent aq. HBr, CuBr / CHCl3 / 0.5 h / 40 °C View Scheme

hydrogenchloride; potassium hydroxide 1.) EtOH, 6 h, reflux; 2.) MeOH, 4 h, reflux; Yield given. Multistep reaction;