1: 59 percent / 2M NaOH / 4 h / Heating 2: 32 percent / PhPOCl2 / 0.75 h / 160 - 170 °C 3: 1.) 1.55M BuLi/hexane, 2.) MeI / 1.) ether, THF, -70 deg C, 15 min, 2.) r.t., 2 h View Scheme

With  sodium hydroxide 4 h;  Heating;