Rule D-4.14 introduces an alternate method of naming radicals derived from any position of unbranched chains or ring systems by adding "-yl", "-diyl", "-triyl" etc. to the name of the chain or ring system with elision of "e" before "-yl".


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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