Visible-Light-Induced Homolysis of Earth-Abundant Metal-Substrate Complexes: A Complementary Activation Strategy in Photoredox Catalysis

Abderrazak, Youssef and Bhattacharyya, Aditya and Reiser, Oliver (2021) Visible-Light-Induced Homolysis of Earth-Abundant Metal-Substrate Complexes: A Complementary Activation Strategy in Photoredox Catalysis. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, 60 (39). pp. 21100-21115. ISSN 1433-7851, 1521-3773

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Abstract

The mainstream applications of visible-light photoredox catalysis predominately involve outer-sphere single-electron transfer (SET) or energy transfer (EnT) processes of precious metal Ru-II or Ir-III complexes or of organic dyes with low photostability. Earth-abundant metal-based (MLn)-L-n-type (M=metal, L-n=polydentate ligands) complexes are rapidly evolving as alternative photocatalysts as they offer not only economic and ecological advantages but also access to the complementary inner-sphere mechanistic modes, thereby transcending their inherent limitations of ultrashort excited-state lifetimes for use as effective photocatalysts. The generic process, termed visible-light-induced homolysis (VLIH), entails the formation of suitable light-absorbing ligated metal-substrate complexes ((MLn)-L-n-Z; Z=substrate) that can undergo homolytic cleavage to generate Mn-1Ln and Z(.) for further transformations.

Item Type: Article
Uncontrolled Keywords: C BOND-CLEAVAGE; CHARGE-TRANSFER PHOTOCHEMISTRY; TRANSITION-METAL; MERGING PHOTOREDOX; NICKEL CATALYSIS; DECARBOXYLATIVE ARYLATION; CRYSTAL-STRUCTURE; ELECTRON-TRANSFER; N-HETEROCYCLES; EXCITED-STATES; 3d transition metals; dissociative ligand-to-metal charge transfer; inner-sphere electron transfer; photoredox catalysis; visible-light-induced homolysis
Subjects: 500 Science > 540 Chemistry & allied sciences
Divisions: Chemistry and Pharmacy > Institut für Organische Chemie > Lehrstuhl Prof. Dr. Oliver Reiser
Depositing User: Petra Gürster
Date Deposited: 20 Dec 2022 09:20
Last Modified: 20 Dec 2022 09:20
URI: https://pred.uni-regensburg.de/id/eprint/46114

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