Term: keto-enol tautomerization
https://doi.org/10.1351/goldbook.08181

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

Example:  [image]

Example: Array

Link: 
Related Term: tautomers (http://doi.org/10.1351/goldbook.08213).

Image: keto-enol tautomerization (https://goldbook.iupac.org/img/inline/08181.jpg) 

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)

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. https://doi.org/10.1351/goldbook.08181

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