Phosphonium compounds

{
  "id": "MLC-T-CHM-008781",
  "term": "Phosphonium compounds",
  "field": "Chemistry",
  "definition": "Organic phosphorus compounds featuring a positively charged phosphorus atom bonded to four organic groups or hydrogen atoms. These compounds are salts containing a phosphonium cation, R4P+, and an anion. They are commonly employed as phase-transfer catalysts and as intermediates in organic synthesis, particularly in the Wittig reaction.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "anion",
    "onium compounds"
  ],
  "references": [
    "PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1358 (https://doi.org/10.1351/pac199567081307)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/phosphonium-compounds/"
}