Title: heteroarynes
Long Title: IUPAC Gold Book - heteroarynes
DOI: 10.1351/goldbook.H02793
Status: current

Definition
Compounds derived from heteroarenes by replacement of a formal carbon-carbon double bond by a formal triple bond (with loss of two hydrogen atoms). Also known as hetarynes and as 1,2-didehydroheteroarenes. E.g. 

Related Terms
- arynes: https://goldbook.iupac.org//terms/view/A00465
- hetarynes: https://goldbook.iupac.org//terms/view/H02789
- heteroarenes: https://goldbook.iupac.org//terms/view/H02791

Source
- PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1340 (https://doi.org/10.1351/pac199567081307)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/H02793/html
- json: https://goldbook.iupac.org/terms/view/H02793/json
- xml: https://goldbook.iupac.org/terms/view/H02793/xml

Citation: Citation: 'heteroarynes' 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.H02793
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Accessed: 2026-06-22T01:33:51+00:00