Title: nitrile ylides
Long Title: IUPAC Gold Book - nitrile ylides
DOI: 10.1351/goldbook.N04153
Status: current

Definition
1,3-dipolar compounds having the structure:  The uncharged canonical form  is called an alkylidene- (or hydrocarbylidene-) amino carbene; the name iminyl carbene is incorrect because iminyl is not a recognized prefix for $\ce{–N=CR2}$.

Related Terms
- canonical form: https://goldbook.iupac.org//terms/view/C01309
- carbenes: https://goldbook.iupac.org//terms/view/C00806
- dipolar compounds: https://goldbook.iupac.org//terms/view/D01753

Source
- PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1351 (https://doi.org/10.1351/pac199567081307)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/N04153/html
- json: https://goldbook.iupac.org/terms/view/N04153/json
- xml: https://goldbook.iupac.org/terms/view/N04153/xml

Citation: Citation: 'nitrile ylides' 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.N04153
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Accessed: 2026-06-21T13:17:36+00:00