Effect of the Cα substitution on the ketonic decarboxylation of carboxylic acids over m-ZrO2: the role of entropy
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Otros documentos de la autoría: Oliver-Tomas, B.; Gonell, Francisco; Pulido, A.; Renz, M.; Boronat, M.
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Título
Effect of the Cα substitution on the ketonic decarboxylation of carboxylic acids over m-ZrO2: the role of entropyFecha de publicación
2016Editor
Royal Society of ChemistryISSN
2044-4753; 2044-4761Cita bibliográfica
Catalysis Science & Technology, 2016, 6, 5561Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://pubs.rsc.org/en/content/articlelanding/2016/cy/c6cy00395h#!divAbstractResumen
The kinetics of the ketonic decarboxylation of linear and branched carboxylic acids over m-ZrO2 as a catalyst
has been investigated. The same apparent activation energy is experimentally determined for the ketonic
... [+]
The kinetics of the ketonic decarboxylation of linear and branched carboxylic acids over m-ZrO2 as a catalyst
has been investigated. The same apparent activation energy is experimentally determined for the ketonic
decarboxylation of both linear pentanoic and branched 2-methyl butanoic acids, while the change in
entropy for the rate-determining step differs by nearly 50 kJ mol−1
. These results show that the difference
in reactivity between linear and branched acids is due to entropic effects, and is related to the probability
of finding the reactant molecules adsorbed and activated in a suitable way on the catalyst surface. [-]
Publicado en
Catalysis Science & Technology, 2016, 6, 5561–5566Derechos de acceso
This journal is © The Royal Society of Chemistry 2016.
OLIVER-TOMAS, B., et al. Effect of the C α substitution on the ketonic decarboxylation of carboxylic acids over m-ZrO 2: the role of entropy. Catalysis Science & Technology, 2016. DOI: http://dx.doi.org/10.1039/C6CY00395H. Reproduced by permission of The Royal Society of Chemistry.
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