Plant Diversity ›› 1997, Vol. 19 ›› Issue (02): 1-3.

• Articles •    

THREE NEW 6,7-SECO-ENT-KAURANE DITERPENOIDS FROM ISODON ERIOCALYX

Wang Jia, Zhao Qinshi, Lin Zhongwen, Sun Handong   

  1. Laboratory of Phytochemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204
  • Online:1997-04-25 Published:1997-04-25

Abstract: Three new 6,7-seco-ent-kaurane diterpenoids named epi-eriocalyxin A (2),maoecrystal N (3) and maoecrystal O (4) together with two known constituents eriocalyxin A (1) and maoecrystal L (5) were isolated from the dried leaves of Isodon eriocalyx. Meanwhile, the structure of eriocalyin A was revised.

Key words: Labiatae