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Carboxylic Acids and their Derivatives

Acyl Halides Rule C-481

481.1 - Acyl halides, that is, compounds in which the hydroxyl group of a carboxyl group is replaced by halogen, are named by placing the name of the corresponding halide after that of the acyl radical.

Examples to Rule C-481.1

481.2 - When another group is present that has priority over acyl halide for citation as principal group, or when the acyl halide group is attached to a side chain, the prefix "fluoroformyl-", "chloroformyl-", "bromoformyl-", or "iodoformyl-" is used.

Examples to Rule C-481.2

See Recommendations'93 R-5.7.6

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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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