Ireland–Claisen rearrangement
The Ireland–Claisen rearrangement is a chemical reaction of an allylic ester with strong base to give an γ,δ-unsaturated carboxylic acid.[1][2][3]
![The Ireland-Claisen rearrangement](https://upload.wikimedia.org/wikipedia/commons/thumb/d/d9/Ireland-Claisen_Rearrangement_Scheme.png/500px-Ireland-Claisen_Rearrangement_Scheme.png)
Mechanism
The Ireland–Claisen rearrangement is a type of Claisen rearrangement. The mechanism is therefore a concerted [3,3]-sigmatropic rearrangement which according to the Woodward–Hoffmann rules show a concerted, suprafacial, pericyclic reaction pathway.
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