ACD/Name

Table 10 General classes of compounds in decreasing order of priority for choosing and naming a principal characteristic group

1 Radicals
2 Anions
3 Cations
4 Zwitterionic compounds
5 Acids (in the order COOH, C(O)O2H; then their S and Se derivatives followed by sulfonic, sulfinic, selenonic, etc., phosphonic, arsonic, etc., acids)
6 Anhydrides
7 Esters
8 Acid halides
9 Amides
10 Hydrazides
11 Imides
12 Nitriles
13 Aldehydes followed by Thioaldehydes, Selenoaldehydes, and Teluroaldehydes
14 Ketones followed by Thioketones, Selenoketones, and Telluroketones
15 Alcohols and Phenols followed by Thiols, Selenols, and Tellurols
16 Hydroperoxides followed by Thiohydroperoxides, Selenohydroperoxides, and Tellurohydroperoxides
17 Amines
18 Imines
19 Hydrazines, Phosphanes, etc.
20 Ethers followed by Sulfides, Selenides, and Tellurides
21 Peroxides followed by Disulfides, Diselenides, and Ditellurides


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This HTML reproduction is as close as possible to the published version [see IUPAC, Commission on Nomenclature of Organic Chemistry. A Guide to IUPAC Nomenclature of Organic Compounds (Recommendations 1993), 1993, Blackwell Scientific publications, Copyright 1993 IUPAC]. If you need to cite these rules please quote this reference as their source.

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