Visible-light-driven radical sulfonaminocyclization and sulfonylcyclization of acrylamides with N-sulfonaminopyridinium salts
Jinwei Yuan,
a,* Wei Lian,
a Yang Zhou,
a Meng Yan,
a,* Jianli Wu,
b Liangru Yang,
a Yongmei Xiao,
a Lingbo Qu
c,*
Journal of Catalysis, 2026, 454, 112625.
https://doi.org/10.1016/j.jcat.2025.116625
A photoredox-catalyzed sulfonamination/cyclization reaction of
N-alkyl-
N-methacryloyl benzamides has been developed, utilizing
N-aminopyridinium salts as sulfonamino radical precursors via N-N bond cleavage. Additionally, this reaction also enables efficient N-S bond cleavage to generate diverse sulfonyl radicals through electron donor-acceptor (EDA) complexes, realizing sulfonylation/cyclization of
N-alkyl-
N-methacryloyl benzamides.