Term: fusion name
https://doi.org/10.1351/goldbook.F02564

Definition:
A composite name for a polycyclic parent structure having the maximum number of non-cumulative double bonds and at least one ortho fusion. Name formation involves the dissection of the structure into contiguous components having recognized trivial or semisystematic names, one of which is selected as the 'base component'. attachment of the other components is described by prefixes.

Related Terms:
1) composite (http://doi.org/10.1351/goldbook.CT07545).
2) cumulative double bonds (http://doi.org/10.1351/goldbook.C01437).
3) attachment (http://doi.org/10.1351/goldbook.A00512).

Source: Blue Book Guide, p. 14 (https://doi.org/10.1351/pac199971071327)

Citation: 'fusion name' 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.F02564

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