Tom Bergmann
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Tom Bergmann has a total of 8 co-authors. Here are the top co-authors by number of shared publications:
- Connie C. Lu
Institut für Anorganische Chemie Universität Bonn Bonn Germany
1 shared publication - David A. Blank
Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455, United States
1 shared publication Francis Y. T. Lam
Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Str. 1, Bonn, 53121, Germany
1 shared publicationGregor Schnakenburg
Institute of Inorganic Chemistry, University of Bonn, Gerhard-Domagk-Str. 1, Bonn, 53121, Germany
1 shared publication- Jacob W. Schaffner
Department of Chemistry, University of Minnesota, 207 Pleasant St. SE, Minneapolis, Minnesota 55455, United States
1 shared publication - Maurice van Gastel
Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
1 shared publication
Latest Publications
- 9 February 2026
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 148 (6) , 6097-6108
Unraveling the Mechanism of a Co(−I)–Ga Photoreductant in the Catalytic Hydrodefluorination of Electron-Rich Fluoroarenes
Strong photoreductants based on first-row transition metals are rare. We report an anionic heterobimetallic Co(-I)-Ga complex, [(H2)CoGa(N(o-(NCH2PiPr2)C6H4)3)]- ([2-H2]-), that catalyzes the hydrodefluorination of electron-rich fluoroarenes under violet light irradiation (390 nm), in the presence of stoichiometric alkoxide base, substoichiometric crown ether, and 1 atm H2. The photodissociation of H2 from [2-H2]- to form the 'naked' Co(-I) species [2]- was observed by ultrafast transient absorption spectroscopy. In combination with its reactivity profile, [2]- is proposed to be photoexcited to form an active photoreductant that reduces fluoroarenes via outer-sphere single-electron transfer. Detailed mechanistic studies suggest that the resultant Co(0) complex (2ox-H2), which is characterized by EPR spectroscopy, re-enters the catalytic cycle via a putative anionic Co(0) hydride intermediate [2ox-H]-. To the best of our knowledge, this is the first example of a 3d metal photoredox catalyst for C-F bond activation.
- 9 February 2026
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 148 (6) , 6097-6108
Unraveling the Mechanism of a Co(−I)–Ga Photoreductant in the Catalytic Hydrodefluorination of Electron-Rich Fluoroarenes
Strong photoreductants based on first-row transition metals are rare. We report an anionic heterobimetallic Co(-I)-Ga complex, [(H2)CoGa(N(o-(NCH2PiPr2)C6H4)3)]- ([2-H2]-), that catalyzes the hydrodefluorination of electron-rich fluoroarenes under violet light irradiation (390 nm), in the presence of stoichiometric alkoxide base, substoichiometric crown ether, and 1 atm H2. The photodissociation of H2 from [2-H2]- to form the 'naked' Co(-I) species [2]- was observed by ultrafast transient absorption spectroscopy. In combination with its reactivity profile, [2]- is proposed to be photoexcited to form an active photoreductant that reduces fluoroarenes via outer-sphere single-electron transfer. Detailed mechanistic studies suggest that the resultant Co(0) complex (2ox-H2), which is characterized by EPR spectroscopy, re-enters the catalytic cycle via a putative anionic Co(0) hydride intermediate [2ox-H]-. To the best of our knowledge, this is the first example of a 3d metal photoredox catalyst for C-F bond activation.