PHENOL ACYLATION - UNEXPECTED IMPROVEMENT OF THE SELECTIVITY TO O-HYDROXYACETOPHENONE BY PASSIVATION OF THE EXTERNAL ACID SITES OF HZSM5

Authors
NEVES I JAYAT F MAGNOUX P PEROT G RIBEIRO FR GUBELMANN M GUISNET M
Citation
I. Neves et al., PHENOL ACYLATION - UNEXPECTED IMPROVEMENT OF THE SELECTIVITY TO O-HYDROXYACETOPHENONE BY PASSIVATION OF THE EXTERNAL ACID SITES OF HZSM5, Journal of the Chemical Society, Chemical Communications, (6), 1994, pp. 717-718
Citations number
11
Categorie Soggetti
Chemistry
Journal title
Journal of the Chemical Society, Chemical Communications → ACNP
ISSN journal
00224936
Issue
6
Year of publication
1994
Pages
717 - 718
Database
ISI
SICI code
0022-4936(1994):6<717:PA-UIO>2.0.ZU;2-B
Abstract
The acylation of phenol by acetic acid on zeolite ZSM5 is unexpectedly oriented towards o-hydroxyacetophenone by dealumination of the outer surface of the crystallites, which can be ascribed to the existence of two different pathways for the formation of o- and p-hydroxyacetophen ones.