Chin. J. Org. Chem. ›› 2010, Vol. 30 ›› Issue (06): 933-936. Previous Articles     Next Articles




  1. 1韶关学院化学系 韶关 512005)
    (2中山大学药学院 广州 510275
  • 收稿日期:2009-12-27 修回日期:2010-03-27 发布日期:2010-05-06
  • 通讯作者: 张圣领
  • 基金资助:


Synthesis of Benzoxazolo[3,2-a]pyridinium Zwitterions

Zhang Shengling*,1 Huang Zhishu2 Gu Lianquan2   

  1. 1 Department of Chemistry, Shaoguan College, Shaoguan 512005)
    (2 School of Pharmaceutical Science, Zhongshan University, Guangzhou 510275
  • Received:2009-12-27 Revised:2010-03-27 Published:2010-05-06

Five benzoxazolo[3,2-a]pyridinium zwitterions were synthesized through the reaction of 4-hydroxycoumarins with p-benzoquinone and 2-methoxypyridine in aqueous acetone (VV=1∶1) at room temperature. The structures of these compounds were determined by MS, 1H NMR techniques and elemental analysis.

Key words: 4-hydroxycoumarin, p-benzoquinone, zwitterion