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  • Title: Biologically active arborinane-type triterpenoids and anthraquinones from Rubia yunnanensis.
    Author: Fan JT, Kuang B, Zeng GZ, Zhao SM, Ji CJ, Zhang YM, Tan NH.
    Journal: J Nat Prod; 2011 Oct 28; 74(10):2069-80. PubMed ID: 21973054.
    Abstract:
    Twelve new arborinane-type triterpenoids (1-12) and four new anthraquinones (13-16), together with 50 known compounds, were isolated from the roots of Rubia yunnanensis. The structures of 1-16 were elucidated by spectroscopic data analysis and chemical methods. All compounds were evaluated for their cytotoxic, antibacterial, and antifungal activities. Rubiyunnanol C (5) is the first example of an arborinane-type triterpenoid with a double bond at C-8-C-9.
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