Title: ketals
Long Title: IUPAC Gold Book - ketals
DOI: 10.1351/goldbook.K03376
Status: current

Definition
Acetals derived from ketones by replacement of the oxo group by two hydrocarbyloxy groups $\ce{R2C(OR)2}$ ($\ce{R} \neq \ce{H}$). This term, once abandoned, has been reinstated as a subclass of acetals.

Related Terms
- Acetals: https://goldbook.iupac.org//terms/view/A00062
- ketones: https://goldbook.iupac.org//terms/view/K03386

Source
- PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1345 (https://doi.org/10.1351/pac199567081307)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/K03376/html
- json: https://goldbook.iupac.org/terms/view/K03376/json
- xml: https://goldbook.iupac.org/terms/view/K03376/xml

Citation: Citation: 'ketals' 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.K03376
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Accessed: 2026-05-06T15:23:46+00:00