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Enchained by Visible Light–Mediated Photoredox Catalysis
Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States.ORCID iD: 0000-0002-6089-5454
Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States.
Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States.
2015 (English)In: Science, ISSN 0036-8075, E-ISSN 1095-9203, Vol. 349, no 6254, p. 1285-1286Article in journal, Editorial material (Refereed) Published
Abstract [en]

Free radicals are exploited in biology, often through highly controlled enzymatic reactions, to drive many reactions that would be difficult via nonradical routes that transfer two electrons (1). In synthetic chemistry, visible-light photoredox catalysis has emerged as an economical and environmentally benign route for promoting free radical transformations in the lab (24). Although the initial light-sensitization steps are well established (5), insufficient attention has been dedicated to essential mechanistic features of the closed catalytic cycle (6). Several reports have hypothesized that these photocatalyzed reactions are terminated through a closed catalytic cycle, which delivers the final product and regenerates the ground state of the photosensitizer (PS). However, Cismesia and Yoon (6) highlight that some of the mechanistic proposals may be incomplete and may involve radical chains.

Place, publisher, year, edition, pages
American Association for the Advancement of Science , 2015. Vol. 349, no 6254, p. 1285-1286
National Category
Organic Chemistry
Research subject
Chemistry
Identifiers
URN: urn:nbn:se:kth:diva-238497DOI: 10.1126/science.aad0193ISI: 000361357700022PubMedID: 26383937Scopus ID: 2-s2.0-84942945430OAI: oai:DiVA.org:kth-238497DiVA, id: diva2:1260500
Funder
Swedish Research Council, 637-2013-7314
Note

QC 20181206

Available from: 2018-11-03 Created: 2018-11-03 Last updated: 2020-05-11Bibliographically approved

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Kärkäs, Markus D.

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