Chin. J. Org. Chem. ›› 2017, Vol. 37 ›› Issue (12): 3257-3261.DOI: 10.6023/cjoc201709043 Previous Articles     Next Articles



冯善娥, 花露, 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:2017-09-26 修回日期:2017-10-23 发布日期:2017-11-15
  • 通讯作者: 徐凡
  • 基金资助:


Syntheses of 2-Amino-3,1-benzothiazines Catalyzed by Cationic Ytterbium Complex

Feng Shan'e, Hua Lu, Yao Zhigang, Xu Fan   

  1. College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123
  • Received:2017-09-26 Revised:2017-10-23 Published:2017-11-15
  • Contact: 10.6023/cjoc201709043
  • Supported by:

    Project supported by the National Natural Science Foundation of China (No. 21272168).

2-Amino-3,1-benzothiazine and its functionalized derivatives are known as useful compounds with a range of biological applications. A highly efficient reaction of o-aminocinnamate and isothiocyanates catalyzed by cationic ytterbium complex[Yb(CH3CN)9]3+[(AlCl4)3]3-·CH3CN under mild and solvent-free conditions was developed, which provides 2-amino-3,1-benzothiazines in high yields and chemoselectivity.

Key words: cationic complex, ytterbium, catalysis, 2-amino-3,1-benzothiazine