Chinese Journal of Organic Chemistry ›› 2022, Vol. 42 ›› Issue (11): 3740-3746.DOI: 10.6023/cjoc202204059 Previous Articles     Next Articles

Original article

三组分一锅法合成3,4-二氢喹唑啉衍生物

赵龙, 阳茂林, 陈皓冉, 丁明武*()   

  1. 华中师范大学 农药与化学生物学教育部重点实验室 武汉 430079
  • 收稿日期:2022-04-25 修回日期:2022-06-28 发布日期:2022-07-20
  • 通讯作者: 丁明武
  • 基金资助:
    国家自然科学基金(21572075)

One-Pot Three-Component Synthesis of 3,4-Dihydroquinazoline Derivatives

Long Zhao, Maolin Yang, Haoran Chen, Mingwu Ding()   

  1. Key Laboratory of Pesticide & Chemical Biology of Ministry of Education, Central China Normal University, Wuhan 430079
  • Received:2022-04-25 Revised:2022-06-28 Published:2022-07-20
  • Contact: Mingwu Ding
  • Supported by:
    National Natural Science Foundation of China(21572075)

A new one-pot synthesis of 3,4-dihydroquinazolines by diethyl azodicarboxylate (DEAD)-promoted oxidative Ugi/ aza-Wittig reaction was developed. The reactions of iminophosphoranes 5, N-aryl-1,2,3,4-tetrahydroisoquinolines 6 and acids 7 produced 3-(tetrahydroisoquinolin-1-formyl) substituted 3,4-dihydroquinazolines 8 in moderate to good yields in the presence of DEAD by tandem oxidative Ugi/aza-Wittig reaction.

Key words: 3,4-dihydroquinazoline-one, iminophosphorane, isocyanide, oxidative Ugi reaction, aza-Wittig reaction