Article ; Online: Unveiling N-Fused Nitreniums as Potent Catalytic Photooxidants.
Journal of the American Chemical Society
2024 Volume 146, Issue 6, Page(s) 3603–3608
Abstract: The first example of a hitherto-unknown facet of catalytic photooxidant capability of nitrenium cations is reported herein. The fundamental limitation of inability of the traditional and reported nitreniums to achieve the excited-state redox potential ... ...
Abstract | The first example of a hitherto-unknown facet of catalytic photooxidant capability of nitrenium cations is reported herein. The fundamental limitation of inability of the traditional and reported nitreniums to achieve the excited-state redox potential beyond +2.0 V (vs Ag/AgCl), the primary requirement for a powerful photooxidant, is addressed in this work by developing a structurally unique class of N-fused nitrenium cations, with the required structural engineering involving extensive π-conjugation through ring fusion at the nitrenium site, which enabled significant lowering of the LUMO energy and easy reduction at the excited state (excited-state redox potential up to +2.5 V vs Ag/AgCl), facilitated by effective delocalization/stabilization of the generated radical. This finding opens a new way to discover novel and useful (photo)catalytic properties of nitrenium cations beyond just Lewis acidity. |
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Language | English |
Publishing date | 2024-01-31 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 3155-0 |
ISSN | 1520-5126 ; 0002-7863 |
ISSN (online) | 1520-5126 |
ISSN | 0002-7863 |
DOI | 10.1021/jacs.3c12606 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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