imino acids 

https://doi.org/10.1351/goldbook.I02959
  1. An obsolete term, which should not be used, for imidic acids.
  2. Any carboxylic acid having an imino substituent, HN=, replacing two hydrogens. A shortened form of imino carboxylic acid.
  3. Obsolescent term for azaalkanoic acids and azacycloalkane-2-carboxylic acid, e.g. proline:
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1343 [Terms] [Paper]
Citation: 'imino acids' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.I02959 RIS BibTex EndNote
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Last revised: February 24, 2014