Rearrangement of allyl phenyl ether over Al-MCM-41

被引：22

作者：

Mathew, NT ^{[1
]}

Khaire, S ^{[1
]}

Mayadevi, S ^{[1
]}

Jha, R ^{[1
]}

Sivasanker, S ^{[1
]}

机构：

[1] Natl Chem Lab, Pune 411008, Maharashtra, India

来源：

JOURNAL OF CATALYSIS | 2005年 / 229卷 / 01期

关键词：

Claisen rearrangement; allyl phenyl ether; Al-MCM-41; molecular rearrangement; solid acids; mesoporous material;

D O I：

10.1016/j.jcat.2004.09.027

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Claisen rearrangement of allyl phenyl ether to o-allylphenol and a dihydrobenzofuran derivative was investigated over MCM-41 with different Si/Al ratios. Higher aluminum content, higher reaction temperatures, and longer run duration favor the formation of the ring compound 2,3-dihydro-2-methyl benzofuran. There is a close relationship between acidity and conversion, which suggests that the reaction occurs inside the large pores of MCM-41. The influence of temperature and catalyst Si/Al ratio on the reaction are examined by kinetic analysis, under the assumption of a first-order consecutive reaction. (C) 2004 Elsevier Inc. All rights reserved.

引用

页码：105 / 113

页数：9

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