potassium hydroxide in tetrahydrofuran; water; acetonitrile Ti/TiO2/RuO2-anode; var. of electrodes and electrolytes; 30 percent H2O2, THF, 1) 0 deg C, 2) r.t.; var. of oxidizing agents; Yield given. Yields of byproduct given. Title compound not separated from byproducts;