Acta Chimica Sinica ›› 2004, Vol. 62 ›› Issue (21): 2171-2176. Previous Articles     Next Articles

Lewis酸催化的甾体皂甙元E/F螺环乙酰化开环反应再研究

杨庆雄, 田伟生, 潘嵩   

  1. 中国科学院上海有机化学研究所, 上海, 200032
  • 投稿日期:2004-05-18 修回日期:2004-06-10 发布日期:2014-02-17
  • 通讯作者: wstian@mail.sioc.ac.cn
  • 作者简介:田伟生,E-mail:wstian@mail.sioc.ac.cn
  • 基金资助:
    国家自然科学基金(No.29372077)资助项目.

Restudies on the Lewis Acid Catalytic Acetylation-opening Reaction of Steroidal Sapogenin

YANG Qing-Xiong, TIAN Wei-Sheng, PAN Song   

  1. Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032
  • Received:2004-05-18 Revised:2004-06-10 Published:2014-02-17

Lewis acid catalyzed acetylation of steroidal sapogenin was reinvestigated, and the previous assigned structures A, B and C of E/F-ring opening products were rectified as 1, 2 and 3 according to X-ray diffraction analysis.

Key words: steroidal sapogenin, acetylation-opening reaction, Lewis acid