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  • Title: New lupane-type triterpenoid saponins from leaves of Oplopanax horridus (Devil's Club).
    Author: Liu PP, Li M, Kang TG, Dou DQ, Smith DC.
    Journal: Nat Prod Commun; 2010 Jul; 5(7):1019-22. PubMed ID: 20734931.
    Abstract:
    Two new lupane type saponins, along with one known saponin were isolated from leaves of Oplopanax horridus (Devil's Club). The structures of the two new compounds were elucidated as 3alpha-hydroxy-lup-20(29)-ene-23, 28-dioic acid-3-O-beta-D-glucopyranoside (2) and 24-nor-3-oxo-lup-20(29)-en-28-oic acid-28-O-alpha-L-rhamnopyranosyl(1''' --> 4")-beta-D-glucopyranosyl(1" --> 6')-beta-D-glucopyranoside (3) on the basis of spectroscopic analysis and chemical evidence. The known compound was identified as 3alpha-hydroxy-lup-20(29)-ene-23, 28-dioic acid (1) by comparison of its spectral data with those reported. Compound 1 was isolated for the first time from the title plant.
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