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Carboxylic Acids and their Derivatives

Hydroxy, Alkoxy and Oxo Acids Rule C-415

415.1 (Partly alternative to Rules C-416.1 and C-416.2) - The names of carboxylic acids containing an aldehydic and/or one or more ketonic groups in the principal chain or parent ring system are generally derived from the names of the corresponding simple carboxylic acids by adding prefixes "oxo-", "dioxo-", etc. (see Rule C-316.2).

Examples to Rule C-415.1


(see also Rule C-416.1)

415.2 - The prefixes "oxo-', "dioxo-'', etc., are used also in conjunctive names to indicate substitution.

Examples to Rule C-415.2

415.3 - When a carbonyl group is at the point of attachment of a side chain in a carboxylic acid, the name of the side chain is the name of the acyl radical RCO- (including formyl HCO-).

Examples to Rule C-415.3

415.4 - When a carbonyl group is present in a side chain but not at either end thereof an "oxoalkyl'' prefix is used.

Example to Rule C-415.4

415.5 - When ring systems are united by a carbonyl group only and one of these ring systems carries a carboxyl group, the compound is named as an acid containing an acyl substituent (see Rules C-403.2 andC-404).

Examples to Rule C-415.5

See Recommendations'93 R-5.7.1

Next:
Hydroxy, Alkoxy and Oxo Acids Rule C-416
Amino Acids Rule C-421
Amic acids Rule C-431
Peroxy Acids Rule C-441
Imidic, Hydrazonic, and Hydroxamic Acids Rule C-451
Salts and Esters Rule C-461, Rule C-462, Rule C-463, Rule C-464
Lactones, Lactides, Lactams, and Lactims Rule C-471, Rule C-472, Rule C-473, Rule C-474, Rule C-475
Acyl Halides Rule C-481
Acid Anhydrides Rule C-491

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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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