Synthesis and biological evaluation of nucleobase-modified analogs of the anticancer compounds 3'-C-ethynyluridine (EUrd) and 3'-C-ethynylcytidine (ECyd)

Patrick J Hrdlicka, Jan S Jepsen, Claus Nielsen, Jesper Wengel, Jan Stenvang

    26 Citations (Scopus)

    Abstract

    A series of nucleobase-modified analogs of the anticancer compounds 3'-C-ethynyluridine (EUrd) and 3'-C-ethynylcytidine (ECyd) were designed to overcome the strict substrate specificity of the activating uridine-cytidine kinase. EUrd, ECyd and target nucleosides were obtained using a short convergent synthetic route utilizing diacetone-alpha-D-glucose as starting material. 5-Iodo-substituted EUrd was the most potent inhibitor among the novel nucleobase-modified analogs in in vitro assays against human adenocarcinoma breast and prostate cancer cells with IC50 values down to 35 nM.
    Original languageEnglish
    JournalBioorganic & Medicinal Chemistry
    Volume13
    Issue number4
    Pages (from-to)1249-60
    Number of pages12
    ISSN0968-0896
    DOIs
    Publication statusPublished - 15 Feb 2005

    Keywords

    • Antineoplastic Agents
    • Cell Line, Tumor
    • Cytidine
    • Drug Screening Assays, Antitumor
    • Humans
    • Magnetic Resonance Spectroscopy
    • Uridine

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