Amidium ions

{
  "id": "MLC-T-CHM-000487",
  "term": "Amidium ions",
  "field": "Chemistry",
  "definition": "Cations formed by the protonation of an amide, typically at the oxygen atom of the carbonyl group. This protonation results in a resonance-stabilized species with a positive charge delocalized between the oxygen and nitrogen atoms. Amidium ions are intermediates in many reactions involving amides, such as hydrolysis.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "amides",
    "hydrocarbyl groups",
    "hydron"
  ],
  "references": [
    "PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1315 (https://doi.org/10.1351/pac199567081307)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/amidium-ions/"
}