1: bromine / CHCl3 2: ethanol / Heating View Scheme

1: thionyl chloride / 2 h / |Reflux 2: AlCl3, aluminium chloride / chloroform / 3 h / 20 °C 3: copper(ll) bromide / chloroform; ethyl acetate / 2 h / |Reflux 4: isopropyl alcohol / 1.5 h / |Reflux View Scheme

1: AlCl3, aluminium chloride / chloroform / 3 h / 20 °C 2: copper(ll) bromide / chloroform; ethyl acetate / 2 h / |Reflux 3: isopropyl alcohol / 1.5 h / |Reflux View Scheme

in ethanol Heating; Yield given;