Ortho-Alkylation of Phenol with Methanol Using Pb-Cr Promoted Magnesium Oxide Catalysts

In this study, Pb‐Cr promoted magnesium oxide catalysts were used to catalyze the ortho‐alkylation of phenol in the presence of excess methanol. The Cr/MgO catalyst exhibited a high conversion of phenol and a relatively high selectivity for the ortho‐alkylation of phenol. The catalytic activity and...

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Veröffentlicht in:	Journal of the Chinese Chemical Society (Taipei) 2004-12, Vol.51 (6), p.1407-1410
Hauptverfasser:	Ke, Jyh-Harng, Zen, Jyh-Myng, Wang, Fey-Long
Format:	Artikel
Sprache:	eng
Schlagworte:	Ortho-alkylation Pb-Cr promoted Phenol
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creator	Ke, Jyh-Harng Zen, Jyh-Myng Wang, Fey-Long
description	In this study, Pb‐Cr promoted magnesium oxide catalysts were used to catalyze the ortho‐alkylation of phenol in the presence of excess methanol. The Cr/MgO catalyst exhibited a high conversion of phenol and a relatively high selectivity for the ortho‐alkylation of phenol. The catalytic activity and the stability of Cr/MgO were improved by the addition of a fairly small amount of Pb. The Pb‐Cr/MgO catalyst showed specificity for the ortho‐alkylation of phenol, which was proved by a series of phenol derivative reactions with methanol.
doi_str_mv	10.1002/jccs.200400206
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subjects	Ortho-alkylation Pb-Cr promoted Phenol
title	Ortho-Alkylation of Phenol with Methanol Using Pb-Cr Promoted Magnesium Oxide Catalysts
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