sodium hydroxide; dihydrogen peroxide 1) 55 deg C, 33 h, 2) THF, ethanol, r.t., 3 h; Yield given. Multistep reaction. Yields of byproduct given;

sodium hydroxide; dihydrogen peroxide 1) 65 deg C, 19 h, 2) ethanol, r.t., 2 h; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

sodium hydroxide; dihydrogen peroxide 1) r.t., 43 h, 2) MeOH, 55 deg C, 1 h; Yield given. Multistep reaction. Yields of byproduct given;

sodium hydroxide; dihydrogen peroxide 1) 55 deg C, 33 h, 2) THF, ethanol, r.t., 3 h; Yield given. Multistep reaction. Yields of byproduct given;