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Modulation of Acridinium Organophotoredox Catalysts Guided by Photophysical Studies

Fischer, Christian and Kerzig, Christoph and Zilate, Bouthayna and Wenger, Oliver S. and Sparr, Christof. (2020) Modulation of Acridinium Organophotoredox Catalysts Guided by Photophysical Studies. ACS Catalysis, 10 (1). pp. 210-215.

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Official URL: https://edoc.unibas.ch/78697/

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Abstract

Control over redox states and spin multiplicity of photo catalysts throughout a catalytic cycle is crucial for selective and efficient photocatalytic processes. However, the rational design of photocatalysts is often hampered by the mechanistic complexity and low modularity of the catalyst structure. Herein, we demonstrate a photophysical study of diverging photocatalytic pathways that guides the design of organic acridinium catalysts to complement polypyridyl transition metal systems. A combined halogen metal exchange/directed ortho-metalation provides reagents for a broad range of modular acridinium catalysts with fine-tuned photophysical and photochemical properties such as excited-state lifetimes, redox potentials, and photostabilities poised to refine organocatalytic photoredox methodology.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Wenger)
05 Faculty of Science > Departement Chemie > Chemie > Organische Chemie (Sparr)
UniBasel Contributors:Wenger, Oliver and Fischer, Christian and Kerzig, Christoph and Zilate, Bouthayna and Sparr, Christof
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
e-ISSN:2155-5435
Note:Publication type according to Uni Basel Research Database: Journal article
Language:English
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Last Modified:29 Sep 2020 12:48
Deposited On:29 Sep 2020 12:48

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