Chem. J. Chinese Universities ›› 1997, Vol. 18 ›› Issue (5): 748.

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The Structure of a New Sesquiterpene from Ligularia Dentata

GAO Kun, YANG Li, JIA Zhong-Jian   

  1. Department of Chemistry, State Key Laboratory of Applied Organic Chemistry, Lanzhou University, Lanzhou, 730000
  • Received:1996-11-10 Online:1997-05-24 Published:1997-05-24

Abstract: Anew germacrane sesquiterpene was obtained from the roots of L.Dentata which was a folk herb medicine in China-Its structure was elucidated to be 1α, 4β, 6α, 10a-tetrahy-droxy-3β, 5a, 8a-triangeloyloxygermacr-11-en-9-one with the spectroscopic techniques (such as IR, MS, 1HNMR, 13CNMRand 2D-NMR) and chemical transformation.

Key words: Ligularia dentata, Compositae, Sesquiterpene, 2D NMR

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