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Claisen rearrangement
Chemical reaction / From Wikipedia, the free encyclopedia
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Not to be confused with Claisen condensation.
The Claisen rearrangement is a powerful carbon–carbon bond-forming chemical reaction discovered by Rainer Ludwig Claisen.[1] The heating of an allyl vinyl ether will initiate a [3,3]-sigmatropic rearrangement to give a γ,δ-unsaturated carbonyl, driven by exergonically favored carbonyl CO bond formation (Δ(ΔfH) = −327 kcal/mol (−1,370 kJ/mol).[2][3][4][5]
![The Claisen rearrangement](http://upload.wikimedia.org/wikipedia/commons/thumb/2/24/Claisen_rearrangement_scheme.svg/640px-Claisen_rearrangement_scheme.svg.png)
Quick Facts Identifiers ...
Claisen rearrangement | |
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Named after | Rainer Ludwig Claisen |
Reaction type | Rearrangement reaction |
Identifiers | |
Organic Chemistry Portal | claisen-rearrangement |
RSC ontology ID | RXNO:0000148 |
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