Rule C-44 (Subtractive Nomenclature)

Subtractive Nomenclature

Rule C-44

44.1 - The prefix "anhydro-" denotes the loss of the elements of water from within one molecule, the positions from which removal has occurred being indicated by locants.

Example to Rule C-44.1

See Recommendations'93 R-1.2.5

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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