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Title

Liquid-Phase Oxidation of p-Xylene using N-Hydroxyimides

AuthorsFalcon, Horacio ; Campos Martín, José Miguel ; Al-Zahrani, Saeed M.; García Fierro, José Luis
KeywordsP-xylene
Terephthalic acid
Oxidation
Homogeneous catalysis
Organocatalysts
Issue Date27-Jul-2010
SeriesCatalysis Communications
2010
AbstractIn this communication, we describe p-xylene oxidation with molecular oxygen at 373 K and atmospheric pressure using N-hydroximide catalysts. p-Xylene conversion was rather high over the first 2 h of reaction and complete by the end of the experiment. The product distribution curves versus reaction time are typical of consecutive reactions. The main intermediate product is p-toluic acid. Peak concentration and the shape of its concentration profile depend heavily on the N-hydroxyimide catalyst used. This effect seems to be related to the NO–H bond dissociation energy (BDE) of the N-hydroxyimides employed.
Publisher version (URL)http://dx.doi.org/10.1016/j.catcom.2010.07.010
URIhttp://hdl.handle.net/10261/26616
DOI10.1016/j.catcom.2010.07.010
Appears in Collections:(ICP) Artículos
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