1: 48percent aq. HBr / 19.5 h / Heating 2: 1.) sodium hydroxide / 1.) benzene, water, 10-15 deg C, 2.) benzene, water, 10 deg C to RT, overnight View Scheme

sodium hydroxide 1.) benzene, water, 10-15 deg C, 2.) benzene, water, 10 deg C to RT, overnight; Yield given. Multistep reaction;