Issue 4, 2025

Visible-light-induced dehydrogenation of dihydroquinolinones via the combination of energy transfer and hydrogen atom transfers

Abstract

A visible-light-induced dehydrogenation of dihydroquinolinones was developed using the photocatalyst thioxanthone (TX) and oxidant tert-butyl benzoperoxoate. Various quinolinones, which constitute significant structural skeletons in organic and biological chemistry, were produced through a photocatalytic process involving energy transfer (EnT) and subsequent hydrogen atom transfers (HATs). This approach, involving a completely metal-free dehydrogenation process carried out under mild conditions, further extends the applications of TX in the sphere of photo-dehydrogenation.

Graphical abstract: Visible-light-induced dehydrogenation of dihydroquinolinones via the combination of energy transfer and hydrogen atom transfers

Supplementary files

Article information

Article type
Research Article
Submitted
10 Oct 2024
Accepted
07 Dec 2024
First published
19 Dec 2024

Org. Chem. Front., 2025,12, 1183-1188

Visible-light-induced dehydrogenation of dihydroquinolinones via the combination of energy transfer and hydrogen atom transfers

J. Feng, H. Tang, H. Guo and A. Ding, Org. Chem. Front., 2025, 12, 1183 DOI: 10.1039/D4QO01902D

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