有机化学 ›› 2025, Vol. 45 ›› Issue (4): 1239-1248.DOI: 10.6023/cjoc202409008 上一篇    下一篇

研究论文

可见光诱导2-芳基吲哚与二氟甲基亚磺酸钠二氟甲基化/环化反应

蒋洁, 李佳丽, 潘若涵, 陈宇, 刘佳乐, 唐裕才*()   

  1. 湖南文理学院化学与材料工程学院 水处理功能材料湖南省重点实验室 电镀废水回用技术湖南省工程技术研究中心 湖南常德 415000
  • 收稿日期:2024-09-09 修回日期:2024-11-08 发布日期:2024-12-05
  • 基金资助:
    湖南省教育厅基金(23B0650); 湖南文理学院重点(24ZZ02)

Photoinduced Difluoromethylation/Cyclization of 2-Aryl Indoles with HCF2SO2Na

Jie Jiang, Jiali Li, Ruohan Pan, Yu Chen, Jiale Liu, Yucai Tang()   

  1. Hunan Provincial Key Laboratory of Water Treatment Functional Materials, Hunan Province Engineering Research Center of Electroplating Wastewater Reuse Technology, College of Chemistry and Materials Engineering,Hunan University of Arts and Science, Changde, Hunan 415000
  • Received:2024-09-09 Revised:2024-11-08 Published:2024-12-05
  • Contact: * E-mail: yctang1009@163.com
  • Supported by:
    Scientific Research Foundation of Hunan Provincial Education Department(23B0650); Key Research Project of Hunan University of Arts and Sciences(24ZZ02)

二氟甲基化合物广泛存在于天然产物、生物活性分子和药物中. 此研究发展了一种可见光诱导2-芳基吲哚结构的二氟甲基化/环化反应合成吲哚[2,1-a]异喹啉酮衍生物. 该反应使用廉价、易于处理的二氟甲基亚磺酸钠(HCF2SO2Na)为二氟甲基来源, 各种二氟甲基基取代吲哚[2,1-a]异喹啉酮衍生物以中等到良好的收率获得. 机理验证实验表明, 该反应可能经历了自由基历程.

关键词: 二氟甲基化合物, 可见光, 2-芳基吲哚, 二氟甲基化/环化

Difluoromethyl compounds are widely found in natural products, bioactive molecule and pharmaceuticals. A visible-light induced difluoromethylation/cyclization of 2-aryl indoles is described to construct indolo[2,1-a]isoquinolin-6(5H)-one derivatives using the inexpensive and easy-to-handle HCF2SO2Na as an HCF2 sources. Diverse difluoromethylated indolo[2,1-a]isoquinolines were readily obtained in moderate to good yields. Mechanistic studies demonstrate that the reaction may involve a radical process.

Key words: difluoromethyl compounds, visible-light, 2-aryl indoles, difluoromethylation/cyclization