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- W1993982705 abstract "The esterification between eight alcohols and seven carboxylic acids was studied over sodium-poisoned silicaalumina at 250°, using a microcatalytic gas chromatographic technique, in order to elucidate the mechanism of the esterification on a solid acid catalyst on the basis of a LFER (Linear Free-Energy Relationships) approach. Alcohols showed fairly close reactivities for the esterification with acetic acid, whereas, for the olefin formation by intramolecular dehydration and ethylether formation with ethanol, their reactivity varied very much according to the kind of alcohol. In contrast, the reactivities of carboxylic acids for the esterification varied with the structure and were correlated with Es, Newman’s steric-effect parameter, as was observed in the homogeneous acid catalysis, although the reactivity difference under the present conditions was small indeed. It is probably due to the elevated reaction temperature. No ethylacetate, but only thiolacetate, was found in the reaction of acetic acid with ethanethiol. From these facts, it may be concluded that the esterification over a solid acid catalyst may proceed through the attack of an oxonium ion from a carboxylic acid on an adsorbed alcohol, in the manner similar to that in the homogeneous acid-catalyzed esterification." @default.
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- W1993982705 date "1971-09-01" @default.
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- W1993982705 title "Elimination Reaction on Solid Acid Catalysts. IV. A δ<sub>R</sub>LFER Study of the Esterification of Alcohols with Carboxylic Acids over Solid Acid Catalysts" @default.
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- W1993982705 doi "https://doi.org/10.1246/bcsj.44.2326" @default.
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