Chinese Journal of Organic Chemistry >
Recent Advances in Visible-Light-Induced Reactions Involving N-Alkoxypyridinium Salts
Received date: 2026-05-14
Revised date: 2026-05-27
Online published: 2026-06-04
Supported by
National Natural Science Foundation of China(21602046)
Natural Science Foundation of Henan Province(252300423136)
Postdoctoral Science Foundation of Henan Province(HN2026077)
Copyright
N-Alkoxypyridinium salts are characterized by structural stability and ease of preparation, and tunable reactivity. Under appropriate conditions, they undergo homolytic cleavage of the N—O bond to generate alkoxy radicals and pyridine derivatives. Owing to their dual role as alkoxy radical precursors and sources of heteroaryl fragments, these compounds have demonstrated distinctive synthetic value in radical-mediated organic transformations. In recent years, with the rapid development of visible-light catalysis and photoredox catalytic systems, radical transformations involving N-alkoxypyridinium salts have been continuously expanded, providing new strategies for synthetic research in related fields. This review summarizes recent advances in visible-light-induced reactions of N-alkoxypyridinium salts, with an emphasis on the major reaction modes of alkoxy radicals. Particular attention is paid to substrate scope, reaction mechanisms, synthetic applications, and methodological advantages. Future perspectives in this field are also discussed.
Chaoyang Wang , Chao Pi , Xia Mi . Recent Advances in Visible-Light-Induced Reactions Involving N-Alkoxypyridinium Salts[J]. Chinese Journal of Organic Chemistry, 2026 , 46(8) : 2859 -2891 . DOI: 10.6023/cjoc202605015
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