Visible-light-induced Catalyzed Dehydrogenative Coupling of Quinoxalin-2(1H)-ones with Azoles Using Carbon Nitride

Shihua Xie, Hui Wang, Yong Wang, Qifan Yang, Hongjun Zhu

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

An efficient visible-light-induced catalyzed dehydrogenation coupling of quinoxalin-2(1H)-ones with azoles was developed, a protocol that did not require prefunctionalization of the substrates and produced hydrogen (H2). Meanwhile, this reaction proceeded without the addition of other metal and oxidant and provided a broad range of 3-aminoquinoxalin-2(1H)-ones in medium to good yield. Furthermore, this protocol provided advantages of easy and simple operation, high chemoselectivity, and a recyclable catalyst. A preliminary mechanistic investigation revealed that the reaction involved a radical process.

Original languageEnglish
Article numbere202200195
JournalAsian Journal of Organic Chemistry
Volume11
Issue number7
DOIs
StatePublished - Jul 2022

Keywords

  • Azoles
  • Carbon nitride
  • C−N coupling hydrogen evolution
  • Quinoxalin-2(1H)-ones
  • Visible-light catalysis

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