1: 80 percent / NaOCH3 / methanol / 1) -5 deg C, 2 h, 2) room temperature, 3 h 2: 1) NaOCH3, H2O, 2) AcOH / 1) MeOH, 2) benzene, H2O, 80 deg C View Scheme

1: 80 percent / KOCl, benzyltributylammnium chloride / H2O; ethyl acetate / 0.5 h 2: 80 percent / NaOCH3 / methanol / 1) -5 deg C, 2 h, 2) room temperature, 3 h 3: 1) NaOCH3, H2O, 2) AcOH / 1) MeOH, 2) benzene, H2O, 80 deg C View Scheme

water; sodium methylate; acetic acid 1) MeOH, 2) benzene, H2O, 80 deg C; Yield given. Multistep reaction;