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Hydrocarbon Ring Assemblies

Rule A-55. Radicals for Identical Ring Systems

(Alternative in part to Rule A-56.1)

55.1 - Univalent and multivalent radicals derived from assemblies of identical hydrocarbon ring systems are named by adding "-yl", "-ylene" or "-diyl", "-triyl", etc., to the name of the ring assembly.

Examples to Rule A-55.1

See Recommendations'93 R-2.4.4

Radicals for Non-benzenoid Ring Systems


This HTML reproduction of Sections A, B and C of IUPAC "Blue Book" is as close as possible to the published version [see Nomenclature of Organic Chemistry, Sections A, B, C, D, E, F, and H, Pergamon Press, Oxford, 1979. Copyright 1979 IUPAC.] If you need to cite these rules please quote this reference as their source.

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