Title: keto-enol tautomerization
Long Title: IUPAC Gold Book - keto-enol tautomerization
DOI: 10.1351/goldbook.08181
Status: current

Definition
Interconversion of ketone and enol tautomers by hydron migration, accelerated by acid or base catalysis.

Example
 

Related Term
- tautomers: https://goldbook.iupac.org//terms/view/08213

Source
- PAC, 2022, 94, 353. 'Glossary of terms used in physical organic chemistry (IUPAC Recommendations 2021)' on page 451 (https://doi.org/10.1515/pac-2018-1010)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/08181/html
- json: https://goldbook.iupac.org/terms/view/08181/json
- xml: https://goldbook.iupac.org/terms/view/08181/xml

Citation: Citation: 'keto-enol tautomerization' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.08181
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Accessed: 2026-05-08T10:45:51+00:00