main ring

https://doi.org/10.1351/goldbook.15430
Macrocycle in a bridged polycyclic macromolecule or polycyclic macromolecular portion that contains the subunits of highest seniority.
Note: In macrocyclic molecules with macrocyclic substituents, the ring that contains the subunits of highest seniority is called the parent macrocycle or macrocyclic system.
Source:
PAC, 2008, 80, 201. (Structure-based nomenclature for cyclic organic macromolecules (IUPAC Recommendations 2008)) on page 205 [Terms] [Paper]
Citation: 'main ring' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.15430 RIS BibTex EndNote
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