Nov., 1944 EPOXIDATION OF OLEIC DERIVATIVES WITH PERBENZOIC ACID 1926 acid (95.5%) to oleic acid.'The sulfated product was hydrolyzed with alcoholic potassium hydroxide, reacidified with dilute sulfuric acid, and converted to methyl esters. The yield was 86.270. These esters were distilled under reduced pressure through a twelve-inch Vigreux column. The methyl monohydroxystearate fraction (yield, 34.9% of theoretical), which ...