期刊
JOURNAL OF THE AMERICAN OIL CHEMISTS SOCIETY
卷 81, 期 5, 页码 477-480出版社
WILEY
DOI: 10.1007/s11746-004-0926-3
关键词
catalytic epoxidation; epoxidized fatty acid methyl esters; iron porphyrin; manganese porphyrin; methyl linoleate; methyltrioxorhenium
The epoxidation of methyl linoleate was examined using transition metal complexes as catalysts. With a catalytic amount of methyltrioxorhenium (4 mol%) and pyridine, methyl linoleate was completely epoxidized by aqueous H2O2 within 4 h. Longer reaction times (6 h) were needed with I mol% catalyst loading. Manganese tetraphenylporphyrin chloride was found to catalyze the partial epoxidation of methyl linoleate. A monoepoxidized species was obtained as the major product (63%) after 20 h.
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