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Isolation, structure, and bioactivities of abiesadines A-Y, 25 new diterpenes from Abies georgei Orr

  • Xian Wen Yang
  • , Lin Feng
  • , Su Mei Li
  • , Xiao Hua Liu
  • , Yong Li Li
  • , Liang Wu
  • , Yun Heng Shen
  • , Jun Mian Tian
  • , Xi Zhang
  • , Xin Ru Liu
  • , Ning Wang
  • , Yonghong Liu
  • , Wei Dong Zhang*
  • *Corresponding author for this work

    Research output: Contribution to journalArticleResearchpeer-review

    95 Citations (Scopus)

    Abstract

    Twenty-five new (abiesadines A-Y, 1-25) and 29 known (26-54) diterpenes were isolated from the aerial parts of Abies georgei. Abiesadine A (1) is a novel 8,14-seco-abietane, while abiesadine B (2) is a novel 9,10-seco-abietane. The structures of the new compounds were established on the basis of spectroscopic data analysis. Manool (52) showed the strongest effect against LPS-induced NO production in RAW264.7 macrophages with the IC50 value of 11.0 μg/mL. In another anti-inflammatory assay against TNFα-triggered NF-κB activity, (12R,13R)-8,12-epoxy-14-labden-13-ol (54) exhibited the strongest effect (IC50 = 8.7 μg/mL). For antitumor assays, pomiferin A (26) and 8,11,13-abietatriene-7α,18-diol (29) both showed the most significant activity against LOVO cells (IC50 = 9.2 μg/mL). While 7-oxocallitrisic acid (46) exhibited significant cytotoxicity against QGY-7703 tumor cells (IC50 = 10.2 μg/mL). Crown

    Original languageEnglish
    Pages (from-to)744-754
    Number of pages11
    JournalBioorganic and Medicinal Chemistry
    Volume18
    Issue number2
    DOIs
    Publication statusPublished - 15 Jan 2010

    Keywords

    • Abies georgei Orr
    • Abiesadines A-Y
    • Diterpenes
    • Nitric oxide (NO)
    • Pinaceae
    • RAW264.7 macrophages

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