Astershionones A-F, six new anti-HBV shionane-type triterpenes from Aster tataricus
- PMID: 24393620
- DOI: 10.1016/j.fitote.2013.12.021
Astershionones A-F, six new anti-HBV shionane-type triterpenes from Aster tataricus
Abstract
Six new shionane-type triterpenes, astershionones A-F (1-6), were obtained from the roots and rhizomes of Aster tataricus. Their structures were elucidated on the basis of spectroscopic data, mainly NMR and MS data. The absolute configuration of 1 was determined by single crystal X-ray diffraction analysis and CD analysis. 3 showed inhibitory activity against HBsAg and HBeAg secretion with IC50 values of 23.0 and 23.1 μM, and cytotoxicity against HepG 2.2.15 cells with a CC50 value of 170.5 μM. 3 also exhibited inhibitory activity against HBV DNA replication with an IC50 value of 22.4 μM.
Keywords: Anti-HBV; Aster tataricus; Astershionones A–F; Lamivudine (PubChem CID: 60825); Shionane-type triterpenes; Shionone (PubChem CID: 12315507).
Copyright © 2014 Elsevier B.V. All rights reserved.
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