carboxamides

https://doi.org/10.1351/goldbook.C00850
amides of carboxylic acids, having the structure
RC(=O)NR2
. The term is used as a suffix in systematic name formation to denote the
–C(=O)NH2
group including its carbon atom.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1326 (https://doi.org/10.1351/pac199567081307)