http://www.cnr.it/ontology/cnr/individuo/prodotto/ID47840
Acetylation of aromatic compounds over H-BEA zeolite: the influence of the substituents on the reactivity and on the catalyst stability (Articolo in rivista)
- Type
- Label
- Acetylation of aromatic compounds over H-BEA zeolite: the influence of the substituents on the reactivity and on the catalyst stability (Articolo in rivista) (literal)
- Anno
- 2005-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.jcat.2004.12.021 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Guidotti M.; Canaff C.; Coustard J.M.; Magnoux P.; Guisnet M. (literal)
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- Scopu (literal)
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a Faculté des Sciences Fondamentales et Appliquées, Université de Poitiers, UMR CNRS 6503, 40 av. du Recteur Pineau, 86022 Poitiers cedex, France
b Faculté des Sciences Fondamentales et Appliquées, Université de Poitiers, UMR CNRS 6514, 40 av. du Recteur Pineau, 86022 Poitiers cedex, France
c CNR - Istituto di Scienze e Tecnologie Molecolari, via Venezian 21, 20133 Milano, Italy (literal)
- Titolo
- Acetylation of aromatic compounds over H-BEA zeolite: the influence of the substituents on the reactivity and on the catalyst stability (literal)
- Abstract
- The acylation with acetic anhydride of six aromatic substrates with different features (degree of activation of the aromatic ring towards
electrophilic substitution, number of rings, i.e., 1 or 2) was carried out in a batch reactor at 373 K over a H-BEA zeolite (Si/Al = 15) with
nitrobenzene as a solvent. The acetylation rate was found to be very dependent on the degree of ring activation, with diffusion limitations
playing only a limited role. The decrease of the rate with reaction time, which was very pronounced with poorly activated and deactivated
substrates, is mainly due to the inhibiting effect of acetic acid and of the products of acetic anhydride condensation. (literal)
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