sodium hydroxide; water

ethyl trifluoromethanesulphonate; anhydrous tetramethylammonium chloride 1.) CH2Cl2, 0 deg C, 2 h, 2a.) CH3CN, 20 deg C, 30 min, 2b.) 40 deg C, 4 d, 2c.) 80 deg C, 2 d; Yield given. Multistep reaction. Yields of byproduct given;

dihydrogen peroxide

anhydrous tetramethylammonium chloride 1.) CH2Cl2, 0 deg C, 2 h, 2a.) CH3CN, CH2Cl2, 20 deg C, 30 min, 2b.) 40 deg C, 4 d, 2c.) 80 deg C, 2 d; Yield given. Multistep reaction. Yields of byproduct given;