Pyrromethenes

{
  "id": "MLC-T-CHM-009711",
  "term": "Pyrromethenes",
  "field": "Chemistry",
  "definition": "Organic compounds characterized by a methine bridge connecting two pyrrole rings, forming a conjugated system. These molecules are often colored and can act as ligands, coordinating to metal ions. They serve as structural motifs in natural products like bilirubin and are precursors to porphyrins and other macrocycles.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "dipyrrins"
  ],
  "references": [
    "PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1361 (https://doi.org/10.1351/pac199567081307)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/pyrromethenes/"
}