Acylation of aromatic ethers over solid acid catalysts: scope of the reaction with more complex acylating agents

Smith, Keith, El-Hiti, Gamal, Jayne, Anthony J. and Butters, Michael 2003. Acylation of aromatic ethers over solid acid catalysts: scope of the reaction with more complex acylating agents. Organic & Biomolecular Chemistry 1 (13) , pp. 2321-2325. 10.1039/B303906D

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Abstract

Acylation of anisole with 2-phenylbutanoic acid derivatives, over zeolite catalysts, gives the corresponding 4-acyl derivatives with high regioselectivity. In an analogous way, 2,3-dihydrobenzofuran reacts with acid anhydrides or chlorides in the presence of catalytic quantities of zeolites to give the corresponding 5-acyl-2,3-dihydrobenzofurans. The zeolite can be recovered, regenerated and used again to give almost the same yield as with fresh zeolite. The reaction has been applied to the synthesis of ethyl (2,3-dihydrobenzofuran-5-yl)glyoxylate.

Item Type:	Article
Status:	Published
Schools:	Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Royal Society of Chemistry
ISSN:	1477-0520
Last Modified:	10 May 2023 13:17
URI:	https://orca.cardiff.ac.uk/id/eprint/12703

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