Chin. J. Org. Chem. ›› 2014, Vol. 34 ›› Issue (8): 1639-1645.DOI: 10.6023/cjoc201402036 Previous Articles     Next Articles

Articles

AlCl3催化活化sp3-C—H键合成3-氮杂芳基-3-羟基-2-羟吲哚

翟娇娇, 姚志刚, 徐凡   

  1. 苏州大学材料与化学化工学部 苏州 215123
  • 收稿日期:2014-02-28 修回日期:2014-04-07 发布日期:2014-04-16
  • 通讯作者: 徐凡 E-mail:xufan@suda.edu.cn
  • 基金资助:
    国家自然科学基金(Nos.21272168,20872106)资助项目.

Efficient Synthesis of 3-Azaarene-substituted 3-Hydroxy-2-oxindoles via Aluminium Chloride Catalyzed sp3-C—H Functionalization

Zhai Jiaojiao, Yao Zhigang, Xu Fan   

  1. College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123
  • Received:2014-02-28 Revised:2014-04-07 Published:2014-04-16
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Nos. 21272168, 20872106).

The synthesis of 3-azaarene-substituted 3-hydroxy-2-oxindoles has been receiving considerable attention in recent years. This paper describes an efficient method for the synthesis of 3-azaarene-substituted 3-hydroxy-2-oxindoles by aluminium chloride catalyzed reaction of 2-methylpyridines with isatins, which provides a practical and atom-economical process to afford this type of biologically important compounds in good yields using commercially available and inexpensive catalyst. A mechanism involving an aluminium chloride-catalyzed sp3-C—H activation is proposed and the evidence of that is provided by in situ 1H NMR.

Key words: 3-hydroxy-2-oxindole, aluminium chloride, catalysis, C—H bond activation