Journal of Photochemistry and Photobiology A: Chemistry 355 (2018) 25–31 Contents lists available at ScienceDirect Journal of Photochemistry and Photobiology A: Chemistry journal homepa ge: www.elsev ier.com/locate/jphotochem Synthesis of quinazolinone derivatives via a visible-light photocatalyzed denitrogenation rearrangement process Chen-Guang Li, Guo-Qiang Xu, Peng-Fei Xu* State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, PR China A R T I C L E I N F O A B S T R A C T Article history: Received 8 June 2017 The photoredox chemistry has been proposed to rely on the ability of photoexcited catalysts to engage in Received in revised form 4 December 2017 single-electron-transfer with organic molecules, and energy transfer, the fundamental decay pathway of Accepted 4 December 2017 photoexcited states, is also a catalytic mode for the photoredox chemistry. Although the triplet–triplet Available online 6 December 2017 energy transfer process is considered to be a powerful activation mechanism in organic photochemistry, it has not been widely applied in organic transformations. Here, we demonstrate a novel visible light Keywords: photocatalysis by such an activation method: the energy transfer from photoexcited Ir(ppy) produces Photocatalysis excited-state 1,2,3-benzotriazinones for the synthesis of quinazolinone
Journal of Photochemistry and Photobiology A: Chemistry – Elsevier
Published: Mar 15, 2018
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