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New Lupane Derived Compounds with Pro-Apoptotic Activity in Cancer Cells: Synthesis and Structure-Activity Relationships

  • Jan Šarek
  • , Jiří Klinot
  • , Petr Džubák
  • , Eva Klinotová
  • , Věra Nosková
  • , Václav Křeček
  • , Gabriela Kořínková
  • , Jean Oliver Thomson
  • , Anna Janošt'Áková
  • , Shudong Wang
  • , Simon Parsons
  • , Peter M. Fischer
  • , Nikolai Z. Zhelev
  • , Marián Hajdúch

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Cellular screening of various synthetic triterpenoid compounds formally derived from lupane has identified a number of analogues as potential anticancer drug candidates. Here we describe the synthesis and structure-activity relationships of betulin and betulinic acid derivatives containing an E-ring modified with different oxygen functions. Thus compounds containing the lup-18-en-21-one, lup-18-ene-21,22-dione, 18,19-secolupane, and the highly oxygenated 18,19-secolupane systems, as well as des-E-lupane derivatives, were prepared from the readily available natural pentacyclic triterpene betulin using oxidative procedures. These compounds were named betulinines. We demonstrate that only selected compounds, particularly those containing a lupane E-ring-derived unsaturated ketone or diketone function, possessed in vitro cytotoxic activity against tumor cell lines, suggesting a structure-activity relationship.

    Original languageEnglish
    Pages (from-to)5402-5415
    Number of pages14
    JournalJournal of Medicinal Chemistry
    Volume46
    Issue number25
    DOIs
    Publication statusPublished - 4 Dec 2003

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    ASJC Scopus subject areas

    • Molecular Medicine
    • Drug Discovery

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