Term: lactols
https://doi.org/10.1351/goldbook.L03438

Definition:
Cyclic hemiacetals formed by intramolecular addition of a hydroxy group to an aldehydic or ketonic carbonyl group. They are thus 1-oxacy-cycloalkan-2-ols or unsaturated analogues, e.g. L03438.png

Related Terms:
1) hemiacetals (http://doi.org/10.1351/goldbook.H02774).
2) intramolecular (http://doi.org/10.1351/goldbook.I03130).

Image: Not defined (https://goldbook.iupac.org/img/inline/L03438.png) 

Source: 

Citation: 'lactols' 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.L03438

License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms.

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