Illustrated Glossary of Organic Chemistry

Claisen rearrangement: A rearrangement reaction reaction in which an allyl vinyl ether is isomerized via a [3,3]-sigmatropic shift.


This Claisen rearrangement isomerizes 2-(allyloxy)but-2-ene into 3-methylhex-5-en-2-one via a [3,3]-shift.