1: 62 percent / 2percent NaOH / ethanol / 96 h / Heating 2: 1.) Br2, 2.) Zn / 1.) CCl4, 23 deg C, 10 h, 2.) Et2O, acetic acid, from 10 to 23 deg C, 40 min View Scheme

With  sodium hydroxide in  ethanol 96 h;  Heating;