Title: allylic groups
Long Title: IUPAC Gold Book - allylic groups
DOI: 10.1351/goldbook.A00245
Status: current

Definition
The group $\ce{CH2=CHCH2}$ (allyl) and derivatives formed by substitution. The term 'allylic position' or 'allylic site' refers to the saturated carbon atom. A group, such as $\ce{–OH}$, attached at an allylic site is sometimes described as 'allylic'.

Source
- PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1315 (https://doi.org/10.1351/pac199567081307)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/A00245/html
- json: https://goldbook.iupac.org/terms/view/A00245/json
- xml: https://goldbook.iupac.org/terms/view/A00245/xml

Citation: Citation: 'allylic groups' 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.A00245
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Accessed: 2026-08-05T03:29:55+00:00