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Aldehydes, Ketones, and their Derivatives

Carbocyclic and Heterocyclic Ketones Rule C-316

316.1 (Alternative to Rules C-314.1 and C-315.1) - Heterocyclic and di- and poly-carbocyclic ketones may also be named by means of the prefix "oxo-" with the hydrogenation indicated by hydro prefixes; in this case the hydrogenation is considered to have occurred before the introduction of the keto group.

Examples to Rule C-316.1

316.2 - The prefix "oxo-" is used when another group having priority for citation as principal group is also present.

Examples to Rule C-316.2

See Recommendations'93 R-5.6.2

Ketones Rule C-317, Rule C-318
Ketenes Rule C-321
Acetals and Acylals Rule C-331, Rule C-332, Rule C-333


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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