ZEOLITE CATALYZED AROMATIC ACYLATION AND RELATED REACTIONS

被引：0

作者：

VANBEKKUM, H ^{[1
]}

HOEFNAGEL, AJ ^{[1
]}

VANKOTEN, MA ^{[1
]}

GUNNEWEGH, EA ^{[1
]}

VOGT, AHG ^{[1
]}

KOUWENHOVEN, HW ^{[1
]}

机构：

[1] ETH ZENTRUM,TECH CHEM LAB,CH-8092 ZURICH,SWITZERLAND

来源：

ZEOLITES AND MICROPOROUS CRYSTALS | 1994年 / 83卷

关键词：

D O I：

暂无

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：

The development of catalytic procedures in aromatic acylation is a priority because the current industrial methods apply stoichiometric or excess amounts of metal chlorides or mineral acids as ''catalysts''. The paper reviews zeolite catalysis in this field and subsequently focusses on the acylation of phenols. Here, two reaction steps are involved: esterification and the so-called Fries rearrangement; both reactions are catalyzed by H-zeolites. The Fries rearrangement has been studied over various zeolites using phenyl acetate as a standard reactant. For the combined reaction especially the system resorcinol/benzoic acid has been examined with several catalysts. Zeolite H-Beta was found to be the best catalyst. When more bulky reactants are involved the new MCM-41 zeolitic material is a promising catalyst.

引用

页码：379 / 390

页数：12

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