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Chemistry LibreTexts

Fries Rearrangement

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The reaction of an aryl ester with a Lewis acid catalyst followed by an aqueous acid to give phenols is known as Fries rearrangement.

eg:

friesrearrangement1.png

mechanism:

friesrearrangement2.png

friesrearrangement3.png

see also Friedel-Crafts acylation


This page titled Fries Rearrangement is shared under a All Rights Reserved (used with permission) license and was authored, remixed, and/or curated by Gamini Gunawardena via source content that was edited to the style and standards of the LibreTexts platform.

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