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Carboxylic Acids and their Derivatives
Lactones Lactides, Lactams, and Lactims Rule C-471 471.1 - Compounds that may be considered to be derived by intramolecular loss of water from a hydroxyl and a carboxyl group of a hydroxy
acid, leading to formation of a cyclic ester, are called "lactones".
See Recommendations'93 R-5.7.5
Lactones, Lactides, Lactams, and Lactims Rule C-472, Rule C-473, Rule C-474, Rule C-475
Acyl Halides Rule C-481
Acid Anhydrides Rule C-491
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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