Solvent-free selective epoxidation of fatty esters over a tungsten-based catalyst

A solvent-free, rather complete and selective cis epoxidation of methyl oleate (MO) using a tungsten-containing catalyst called “Tetrakis”. High epoxide yields have been obtained by adjusting the reaction parameters (reaction time, temperature, gas phase, oxidant molar ratio and concentration). The...

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Bibliographic Details
Published in:Catalysis today 2009-01, Vol.140 (1), p.19-22
Main Authors: Poli, Evelyne, Clacens, Jean-Marc, Barrault, Joël, Pouilloux, Yannick
Format: Article
Language:English
Subjects:
Catalysis
Chemistry
Exact sciences and technology
Fatty acid methyl esters
General and physical chemistry
Green oxidation
H 2O 2
Selective epoxidation
Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry
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Summary:A solvent-free, rather complete and selective cis epoxidation of methyl oleate (MO) using a tungsten-containing catalyst called “Tetrakis”. High epoxide yields have been obtained by adjusting the reaction parameters (reaction time, temperature, gas phase, oxidant molar ratio and concentration). The highest selectivities are the result of a synergetic effect of hydrogen peroxide and air (or oxygen) used as oxidizing agents that decreases the MO dimerization and then favour the complete conversion of MO into its epoxide.
ISSN:0920-5861
1873-4308
DOI:10.1016/j.cattod.2008.07.004