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403.2 - If an acid name is formed with the ending "-carboxylic", the name of the radical obtained by removal of hydroxyl from all carboxyl groups is formed by changing the ending "-carboxylic" to "-carbonyl".
Examples to Rule C-403.1
Note: In radicofunctional nomenclature, names of the type cyclohexanecarbonyl are used, as in:
Examples to Rule C-403.2
When, however, the acyl group is a substituent, the compound radical prefix form of type cyclohexylcarbonyl is used, as in:
These principles apply to all acyl radicals whose names end in "carbonyl'', "sulfonyl'', "sulfinyl'', etc. (cf. Rules C-543.3, C-631.1, C-641.7, C-641.8, and C-641.9).
See Recommendations'93 R-5.7.1
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