Title: ring assembly
Long Title: IUPAC Gold Book - ring assembly
DOI: 10.1351/goldbook.R05393
Status: current

Definition
Two or more cyclic systems (single rings or fused systems) which are directly joined to each other by double or single bonds are named ring assemblies when the number of such direct ring junctions is one less than the number of cyclic systems involved. Examples: 

Source
- Blue Book, p. 42 (https://www.acdlabs.com/iupac/nomenclature/)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/R05393/html
- json: https://goldbook.iupac.org/terms/view/R05393/json
- xml: https://goldbook.iupac.org/terms/view/R05393/xml

Citation: Citation: 'ring assembly' 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.R05393
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Accessed: 2026-06-29T13:26:56+00:00