1: 1.) CH3ONa / 1.) benzene, MeOH, cooling, 30 min, 2.) room temp., 1 h; reflux, 2.5 h 2: 1.) HCl gas, MeOH, 2.) H2O / 1.) -10 deg C, 16 h, 2.) room temp., 3 h View Scheme

hydrogenchloride; methanol; water 1.) -10 deg C, 16 h, 2.) room temp., 3 h; Yield given. Multistep reaction. Yields of byproduct given;