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.
316.2 - The prefix "oxo-" is used when another group having priority for citation as principal group is also present.
Examples to Rule C-316.1
See Recommendations'93 R-5.6.2
Examples to Rule C-316.2
Ketones Rule C-317, Rule C-318
Ketenes Rule C-321
Acetals and Acylals Rule C-331, Rule C-332, Rule C-333
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