1: 68 percent / NaH / diethyl ether; dimethylsulfoxide / 0.5 h / Ambient temperature 2: 1.) HCl, 2.) H2O / 1.) Et2O, from 0 deg C to 20 deg C, 1 h, 2.) MeOH, 70 deg C, 20 min View Scheme

hydrogenchloride; water 1.) Et2O, from 0 deg C to 20 deg C, 1 h, 2.) MeOH, 70 deg C, 20 min; Yield given. Multistep reaction;