FIELD: organic chemistry and chemical technology. SUBSTANCE: method involves interaction of unsaturated fatty acid or the corresponding ester with oxidizing agent in the presence of catalyst taken from the group: tungsten and molybdenum oxides, their acids and alkaline metal salts and an intermediate compound is obtained. Then the synthesized compound without any purification is interacted with oxygen or oxygen-containing gas in the presence of cobalt-containing compound as a catalyst and water. EFFECT: improved method of synthesis. 8 cl, 6 ex
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