1: 72.5 percent / chlorosulfonic acid / CH2Cl2 / -10 - -5 °C 2: 1.) 4 N NaOH / 1.) acetone, 3 h, 2.) ethyl acetate View Scheme

1: 99.8 percent / 60percent NaH in oil / dimethylsulfoxide / 10 h / Ambient temperature 2: 72.5 percent / chlorosulfonic acid / CH2Cl2 / -10 - -5 °C 3: 1.) 4 N NaOH / 1.) acetone, 3 h, 2.) ethyl acetate View Scheme

sodium hydroxide 1.) acetone, 3 h, 2.) ethyl acetate; Yield given. Multistep reaction;

sulfuric acid; hydrogen; palladium 1.) ethyl acetate, 2.) methanol; Yield given. Multistep reaction;