Abstract

Twenty-five sesquiterpenoids including seventeen guaiane-type sesquiterpenoids and glucose glycosides (1–17), six eudesmane-type sesquiterpenoids (18–23), and two germacrane-type sesquiterpenoids (24 and 25) were isolated from the aerial parts of Saussurea laniceps Hand.-Mazz. Their structures were elucidated by spectroscopic methods and comparison with previously reported spectral data. Among them, compounds (6 and 8) are new, and seven compounds (2, 9, 12, 18–19, 22–23) are reported for the first time from the genus Saussurea. This paper deals with the isolation, structural elucidation and chemotaxonomic significance of these sesquiterpenoids from S. laniceps.

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