Application of Visible-to-UV Photon Upconversion to Photoredox Catalysis: The Activation of Aryl Bromides

The activation of aryl–Br bonds was achieved by sequential combination of a triplet–triplet annihilation process of the organic dyes, butane‐2,3‐dione and 2,5‐diphenyloxazole, with a single‐electron‐transfer activation of aryl bromides. The photophysical and chemical steps were studied by time‐resol...

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Veröffentlicht in:	Chemistry : a European journal 2015-10, Vol.21 (44), p.15496-15501
Hauptverfasser:	Majek, Michal, Faltermeier, Uwe, Dick, Bernhard, Pérez-Ruiz, Raúl, Jacobi von Wangelin, Axel
Format:	Artikel
Sprache:	eng
Schlagworte:	Activation Aromatic compounds aryl halides Bromides Chemistry defunctionalization Mathematical analysis organocatalysis photocatalysis Photons Pulsed lasers Quenching triplet states two-photon process Upconversion
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