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Iron Photoredox Catalysis-Past, Present, and Future

de Groot, Lisa H.M. LU ; Ilic, Aleksandra LU orcid ; Schwarz, Jesper LU and Wärnmark, Kenneth LU (2023) In Journal of the American Chemical Society 145(17). p.9369-9388
Abstract

Photoredox catalysis of organic reactions driven by iron has attracted substantial attention throughout recent years, due to potential environmental and economic benefits. In this Perspective, three major strategies were identified that have been employed to date to achieve reactivities comparable to the successful noble metal photoredox catalysis: (1) Direct replacement of a noble metal center by iron in archetypal polypyridyl complexes, resulting in a metal-centered photofunctional state. (2) In situ generation of photoactive complexes by substrate coordination where the reactions are driven via intramolecular electron transfer involving charge-transfer states, for example, through visible-light-induced homolysis. (3) Improving the... (More)

Photoredox catalysis of organic reactions driven by iron has attracted substantial attention throughout recent years, due to potential environmental and economic benefits. In this Perspective, three major strategies were identified that have been employed to date to achieve reactivities comparable to the successful noble metal photoredox catalysis: (1) Direct replacement of a noble metal center by iron in archetypal polypyridyl complexes, resulting in a metal-centered photofunctional state. (2) In situ generation of photoactive complexes by substrate coordination where the reactions are driven via intramolecular electron transfer involving charge-transfer states, for example, through visible-light-induced homolysis. (3) Improving the excited-state lifetimes and redox potentials of the charge-transfer states of iron complexes through new ligand design. We seek to give an overview and evaluation of recent developments in this rapidly growing field and, at the same time, provide an outlook on the future of iron-based photoredox catalysis.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of the American Chemical Society
volume
145
issue
17
pages
20 pages
publisher
The American Chemical Society (ACS)
external identifiers
  • pmid:37079887
  • scopus:85153965995
ISSN
0002-7863
DOI
10.1021/jacs.3c01000
language
English
LU publication?
yes
id
a55e4af9-03b4-4b87-947a-1300ee71c8a5
date added to LUP
2023-07-14 13:35:32
date last changed
2024-04-20 00:33:32
@article{a55e4af9-03b4-4b87-947a-1300ee71c8a5,
  abstract     = {{<p>Photoredox catalysis of organic reactions driven by iron has attracted substantial attention throughout recent years, due to potential environmental and economic benefits. In this Perspective, three major strategies were identified that have been employed to date to achieve reactivities comparable to the successful noble metal photoredox catalysis: (1) Direct replacement of a noble metal center by iron in archetypal polypyridyl complexes, resulting in a metal-centered photofunctional state. (2) In situ generation of photoactive complexes by substrate coordination where the reactions are driven via intramolecular electron transfer involving charge-transfer states, for example, through visible-light-induced homolysis. (3) Improving the excited-state lifetimes and redox potentials of the charge-transfer states of iron complexes through new ligand design. We seek to give an overview and evaluation of recent developments in this rapidly growing field and, at the same time, provide an outlook on the future of iron-based photoredox catalysis.</p>}},
  author       = {{de Groot, Lisa H.M. and Ilic, Aleksandra and Schwarz, Jesper and Wärnmark, Kenneth}},
  issn         = {{0002-7863}},
  language     = {{eng}},
  number       = {{17}},
  pages        = {{9369--9388}},
  publisher    = {{The American Chemical Society (ACS)}},
  series       = {{Journal of the American Chemical Society}},
  title        = {{Iron Photoredox Catalysis-Past, Present, and Future}},
  url          = {{http://dx.doi.org/10.1021/jacs.3c01000}},
  doi          = {{10.1021/jacs.3c01000}},
  volume       = {{145}},
  year         = {{2023}},
}