有机化学    

研究论文

N-烷氧基吡啶盐参与可见光诱导反应的研究进展

王朝阳a, 皮超b,*, 密霞a,*   

  1. a河南中医药大学药学院 郑州 450046;
    b河南省化学生物学与有机化学重点实验室 河南省高校应用化学重点实验室 炼焦煤资源绿色开发全国重点实验室 平原实验室 郑州大学化学学院 郑州 450052
  • 收稿日期:2026-05-14 修回日期:2026-05-27
  • 基金资助:
    国家自然科学基金(No.21602046), 河南省自然科学基金(No.252300423136), 河南省博士后科学基金(No.HN2026077)资助项目.

Recent Advances in Visible-Light-Induced Reactions Involving N-Alkoxypyridinium Salts

Chaoyang Wanga, Chao Pib,*, Xia Mia,*   

  1. a College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China;
    b Henan Key Laboratory of Chemical Biology and Organic Chemistry, Key Laboratory of Applied Chemistry of Henan Universities, State Key Laboratory of Coking Coal Resources Green Exploitation, Pingyuan Laboratory and College of Chemistry, Zhengzhou University, Zhengzhou 450052, P. R. China
  • Received:2026-05-14 Revised:2026-05-27
  • Contact: *E-mail: pichao@zzu.edu.cn, mixia@hactcm.edu.cn
  • Supported by:
    National Natural Science Foundation of China (No.21602046), Natural Science Foundation of Henan (No.252300423136) and Postdoctoral Science Foundation of Henan (No.HN2026077).

N-烷氧基吡啶盐具有结构稳定、易于制备和反应活性可调等特点,可发生N-O键均裂,生成烷氧基自由基和吡啶衍生物。由于兼具烷氧自由基前体和杂芳基片段来源的双重属性,该类化合物在自由基有机合成领域展现出独特的应用价值。近年来,随着可见光催化和光氧化还原体系的快速发展,N-烷氧基吡啶盐参与的自由基转化反应不断拓展,为相关领域的合成研究提供了新策略。本文以烷氧基自由基的主要反应模式为线索,系统综述N-烷氧基吡啶盐在可见光诱导反应中的研究进展,重点讨论其底物适用范围、反应机理、合成应用及方法学优势,并对该领域未来的发展方向进行展望。

关键词: N-烷氧基吡啶盐, 可见光, 烷氧基自由基, 光氧化还原, 自由基转化

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.

Key words: N-alkoxypyridinium salts, visible light, alkoxy radicals, photoredox, radical transformations