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Five-membered N-heterocycles are ubiquitous in natural products, pharmaceuticals, and other biologically active compounds. Over the past decades, visible light-induced photoredox catalysis has emerged as a robust and sustainable mode of catalysis in organic synthesis. Consequently, significant attention has been directed towards this field, and numerous mild and efficient methods for synthesizing these structurally diverse five-membered N-heterocycles have been disclosed. In this chapter, we primarily summarize the recent advances in visible light-induced radical cascade reactions for the synthesis of five-membered N-heterocycles from 2018 to August 2023, highlighting the formation of various classes of N-heterocycles and the involvement of radical intermediates.

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Recent Advances in Photoinduced Radical Cascade Cyclizations Enabling Five-Membered N-Heterocycle Formation

  • 章节

  • 发表日期：

    2025年

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  • Min Gu,
  • Yan-Zhen Li,
  • Yu-Jie Cao,
  • Xiao-Bin Wang,
  • Yi Jiang,
  • Chen Wang,
  • Quan-Qing Zhao,
  • Yu Zhao

摘要

Five-membered N-heterocycles are ubiquitous in natural products, pharmaceuticals, and other biologically active compounds. Over the past decades, visible light-induced photoredox catalysis has emerged as a robust and sustainable mode of catalysis in organic synthesis. Consequently, significant attention has been directed towards this field, and numerous mild and efficient methods for synthesizing these structurally diverse five-membered N-heterocycles have been disclosed. In this chapter, we primarily summarize the recent advances in visible light-induced radical cascade reactions for the synthesis of five-membered N-heterocycles from 2018 to August 2023, highlighting the formation of various classes of N-heterocycles and the involvement of radical intermediates.