PHENOL METHYLATION OVER CRPO4 AND CRPO4-ALPO4 CATALYSTS

Authors
BAUTISTA FM CAMPELO JM GARCIA A LUNA D MARINAS JM ROMERO AA URBANO MR
Citation
Fm. Bautista et al., PHENOL METHYLATION OVER CRPO4 AND CRPO4-ALPO4 CATALYSTS, Reaction kinetics and catalysis letters, 62(1), 1997, pp. 47-54
Citations number
16
Categorie Soggetti
Chemistry Physical
Journal title
Reaction kinetics and catalysis letters → ACNP
ISSN journal
01331736
Volume
62
Issue
1
Year of publication
1997
Pages
47 - 54
Database
ISI
SICI code
0133-1736(1997)62:1<47:PMOCAC>2.0.ZU;2-Q
Abstract
The vapor-phase catalytic alkylation of phenol with methanol and dimet hyl carbonate on a series of differently prepared CrPO4 (Cr/P=1) and C rPO4-AlPO4 (CrAlP) catalysts, has been studied at different temperatur es (473-673 K). The reaction is first order in phenol, giving a mixtur e of O- and C-alkylated products (C-alkylation taking place preferenti ally at the ortho-position). Moreover, dimethyl carbonate is a better methylating agent than methanol.