有机化学 ›› 2023, Vol. 43 ›› Issue (4): 1537-1549.DOI: 10.6023/cjoc202210003 上一篇    下一篇

研究论文

钌催化喹唑啉酮与碳酸亚乙烯酯的C—H [4+2]环化反应

南江*(), 黄冠杰, 胡岩, 王波   

  1. 陕西科技大学化学与化工学院 陕西省轻化工助剂重点实验室 西安 710021
  • 收稿日期:2022-10-05 修回日期:2022-11-01 发布日期:2022-11-21
  • 通讯作者: 南江
  • 基金资助:
    国家自然科学基金(22171171)

Ruthenium-Catalyzed C—H [4+2] Annulation of Quinazolinones with Vinylene Carbonate

Nan Jiang(), Guanjie Huang, Yan Hu, Bo Wang   

  1. Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an 710021
  • Received:2022-10-05 Revised:2022-11-01 Published:2022-11-21
  • Contact: Nan Jiang
  • Supported by:
    National Natural Science Foundation of China(22171171)

过渡金属催化下的惰性C—H环化反应作为有机化学领域的一种高效策略, 可构筑一系列碳环及杂环分子骨架. 近年来, 化学家们利用碳酸亚乙烯酯作为碳合成子, 并借助其特殊的结构、无氧化剂的催化体系以及碳酸为唯一副产物的优势, 为构建非取代杂环化合物提供了一种新思路. 提出一类在钌催化下, 喹唑啉酮与碳酸亚乙烯酯发生的C—H [4+2]环化反应, 并以良好的收率获得2,3-稠合喹唑啉酮衍生物.

关键词: 钌催化, C—H环化反应, 酸亚乙烯酯, 稠合喹唑啉酮

Transition metal-catalyzed inert C—H annulation reaction, an efficient strategy in the field of organic chemistry, is capable of constructing a series of carbon- or heterocycle molecules. Very recently, organic chemists have commenced to employ vinylene carbonate as a carbon synthon for the efficient construction of non-substituted heterocyclic compounds, which benefits with the enriched product structure, quite simple and concise reaction system, and the sole carbonic acid as by-product. A new type of C—H [4+2] cyclization reaction of quinazolinone with ethylene carbonate catalyzed by ruthenium is proposed, and 2,3-fused quinazolinone derivatives are obtained with good yields.

Key words: ruthenium catalysis, C—H cyclization reaction, vinylene carbonate, fused quinazolone