Wu Ming-xi
2010
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Journal
Chemistry World
Abstract
The synthesis of azelaic acid by ozonolysis was described.Azelaic acid was synthesized from oleic acid by using acetic acid as solvent and MoO_3 as catalyst.The effects of the major factors,such as the mass ratio of solvent and oleic acid,reaction temperature,gas flow rate,ozone concentration and the amount of catalyst,were systematically studied.The results showed that when the solvent ratio was 1∶3,the amount of catalyst was 0.5% of oleic acid,the ozonolysis temperature was from 20 to 25 ℃, the ozone concentration was 48.63 mg/m~3,the oxygenolysis temperature was 90 ℃,and the oxygen gas flow rate was 0.5 L/min,the yield of azelaic acid was up to 72.42%.