Title: photochemical nucleophile-olefin combination - aromatic substitution Long Title: IUPAC Gold Book - photochemical nucleophile-olefin combination - aromatic substitution DOI: 10.1351/goldbook.16209 Status: current Definition Photoinduced electron-transfer reaction of an aromatic electron-acceptor in the presence of an olefinic electron donor and a nucleophile, leading to aromatic substitution. Example Related Terms - photo-EOCAS: https://goldbook.iupac.org//terms/view/16208 - photo-ROCAS: https://goldbook.iupac.org//terms/view/16210 Source - PAC, 2007, 79, 293. 'Glossary of terms used in photochemistry, 3rd edition (IUPAC Recommendations 2006)' on page 385 (https://doi.org/10.1351/pac200779030293) Other Outputs - html: https://goldbook.iupac.org/terms/view/16209/html - json: https://goldbook.iupac.org/terms/view/16209/json - xml: https://goldbook.iupac.org/terms/view/16209/xml Citation: Citation: 'photochemical nucleophile-olefin combination - aromatic substitution' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.16209 License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) for individual terms. Collection: If you are interested in licensing the Gold Book for commercial use, please contact the IUPAC Executive Director at executivedirector@iupac.org . Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using. Accessed: 2026-05-18T07:24:46+00:00