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  • Title: Phosphonylated Acyclic Guanosine Analogues with the 1,2,3-Triazole Linker.
    Author: Głowacka IE, Andrei G, Schols D, Snoeck R, Piotrowska DG.
    Journal: Molecules; 2015 Oct 16; 20(10):18789-807. PubMed ID: 26501246.
    Abstract:
    A novel series of {4-[(2-amino-6-chloro-9H-purin-9-yl)methyl]-1H-1,2,3-triazol-1-yl}alkylphosphonates and {4-[(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)methyl]-1H-1,2,3-triazol-1-yl}alkylphosphonates as acyclic analogues of guanosine were synthesized and assessed for antiviral activity against a broad range of DNA and RNA viruses and for their cytostatic activity toward three cancerous cell lines (HeLa, L1210 and CEM). They were devoid of antiviral activity; however, several phosphonates were found slightly cytostatic against HeLa cells at an IC50 in the 80-210 µM range. Compounds (1R,2S)-17k and (1S,2S)-17k showed the highest inhibitory effects (IC50=15-30 µM) against the proliferation of murine leukemia (L1210) and human T-lymphocyte (CEM) cell lines.
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