Issue 23, 2019

Direct C–H sulfenylation of quinoxalinones with thiols under visible-light-induced photocatalyst-free conditions

Abstract

A photocatalyst-free visible-light-promoted sulfenylation of quinoxalinones with thiols via cross-dehydrogenative coupling was developed. This protocol allowed the direct formation of diverse 3-sulfenylquinoxalin-2(1H)-ones under metal- and catalyst-free conditions and using air (O2) as an oxidant. Furthermore, a range of readily accessible thiols and quinoxalin-2(1H)-ones was applied in this coupling, resulting in an attractive process of accessing 3-substituted quinoxalinones.

Graphical abstract: Direct C–H sulfenylation of quinoxalinones with thiols under visible-light-induced photocatalyst-free conditions

Supplementary files

Article information

Article type
Communication
Submitted
29 Aug 2019
Accepted
22 Oct 2019
First published
22 Oct 2019

Green Chem., 2019,21, 6241-6245

Direct C–H sulfenylation of quinoxalinones with thiols under visible-light-induced photocatalyst-free conditions

Q. Teng, Y. Yao, W. Wei, H. Tang, J. Li and Y. Pan, Green Chem., 2019, 21, 6241 DOI: 10.1039/C9GC03045J

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