In a study on Ni-catalyzed visible light-promoted C–N cross-coupling (10.1002/cctc.202200990), we found that the donor–acceptor cyanoarene photocatalyst 3DPA2FBN generated two by-products under blue light irradiation, identified by HPLC–MS as mono- and bis-cyclized products generated following the loss of one or two molecules of HF. We isolated both species as new visible light-absorbing photocatalysts, fully characterized them, developed an optimized synthetic method and performed preliminary evaluations of their reactivity.
SYNTHESIS, CHARACTERIZATION AND TESTING OF NEW D-A CYANOARENE PHOTOCATALYSTS / J. Barbieri, G. Taini, M. Penconi, A. Bossi, L.L. Pignataro. 39. New Trends in Organic Synthesis Milano 2025.
SYNTHESIS, CHARACTERIZATION AND TESTING OF NEW D-A CYANOARENE PHOTOCATALYSTS
J. Barbieri;G. Taini;A. Bossi;L.L. Pignataro
2025
Abstract
In a study on Ni-catalyzed visible light-promoted C–N cross-coupling (10.1002/cctc.202200990), we found that the donor–acceptor cyanoarene photocatalyst 3DPA2FBN generated two by-products under blue light irradiation, identified by HPLC–MS as mono- and bis-cyclized products generated following the loss of one or two molecules of HF. We isolated both species as new visible light-absorbing photocatalysts, fully characterized them, developed an optimized synthetic method and performed preliminary evaluations of their reactivity.
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