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Peer-reviewedCC BY 4.0Beilstein Journal of Organic Chemistry

Redox-active photocatalytic N^C cyclometalated gold(III) catecholate complexes

  • Miguel Gonzálvez
  • Sergio Diaz-Alonso
  • Juan José Gamboa-Carballo
  • Karinne Miqueu
  • György Szalóki
  • Didier Bourissou
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Abstract

The redox properties and photocatalytic activity of four N^C cyclometalated Au(III) catecholate complexes were investigated. They proved competent for the photocatalytic C–H arylation of furan with aryldiazonium salts under green LED irradiation. UV–vis studies supported the formation of electron donor–acceptor adducts between the Au(III) catecholate complexes and diazonium salts, enabling photoinduced electron transfer and aryl radical generation. Electrochemical, EPR, and DFT studies evidenced ligand-centered redox activity and the formation of Au(III) semiquinone species.

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Cite

BibTeXRIS
BibTeX
@article{gonzalvez2026redoxactive,
  title = {{Redox-active photocatalytic N^C cyclometalated gold(III) catecholate complexes}},
  author = {Miguel Gonzálvez and Sergio Diaz-Alonso and Juan José Gamboa-Carballo and Karinne Miqueu and György Szalóki and Didier Bourissou},
  journal = {Beilstein Journal of Organic Chemistry},
  year = {2026},
  month = sep,
  doi = {10.3762/bjoc.22.97},
  url = {https://univ-pau.hal.science/hal-05762354v1},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - Redox-active photocatalytic N^C cyclometalated gold(III) catecholate complexes
AU  - Miguel Gonzálvez
AU  - Sergio Diaz-Alonso
AU  - Juan José Gamboa-Carballo
AU  - Karinne Miqueu
AU  - György Szalóki
AU  - Didier Bourissou
PY  - 2026
DA  - 2026/09/01
JO  - Beilstein Journal of Organic Chemistry
DO  - 10.3762/bjoc.22.97
UR  - https://univ-pau.hal.science/hal-05762354v1
AB  - The redox properties and photocatalytic activity of four N^C cyclometalated Au(III) catecholate complexes were investigated. They proved competent for the photocatalytic C–H arylation of furan with aryldiazonium salts under green LED irradiation. UV–vis studies supported the formation of electron donor–acceptor adducts between the Au(III) catecholate complexes and diazonium salts, enabling photoinduced electron transfer and aryl radical generation. Electrochemical, EPR, and DFT studies evidenced ligand-centered redox activity and the formation of Au(III) semiquinone species.
SN  - 1860-5397
ER  -