Photocyclization

{
  "id": "MLC-T-CHM-008837",
  "term": "Photocyclization",
  "field": "Chemistry",
  "definition": "A photochemical reaction in which a molecule undergoes an intramolecular cyclization, forming a new ring structure. This process is initiated by the absorption of light, leading to an excited electronic state that facilitates bond formation. An example is the Norrish-Yang reaction, which forms cyclic alcohols from ketones.",
  "subject": "Organic and Biomolecular Chemistry",
  "see_also": [
    "intramolecular",
    "Norrish-Yang reaction",
    "Yang photocyclization",
    "concerted process",
    "photoinduced electron transfer"
  ],
  "references": [
    "PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 388 (https://doi.org/10.1351/pac200779030293)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/photocyclization/"
}