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Synthesis and Biological Evaluation of Methylenecyclopropane Analogues of Nucleosides

Abstract : Starting from a chiral methylenecyclopropane building block, readily obtained by enzymatic desymmetrization of a meso-diol, two types of methylenecyclopropane analogues of nucleosides were synthesized. The first type of nucleosides was obtained from the direct coupling of the chiral building block with 6-chloropurine under Mitsunobu reaction conditions followed by the functionalization of the purine base. The second type of nucleosides featured a Curtius rearrangement as the key step and the uracil heterocycle was then constructed by a linear methodology. These derivatives were evaluated as potential agents against important viral pathogens. None of the new compounds had significant antiviral activity at a concentration of 100 g/mL, which was the highest concentration tested.
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Submitted on : Tuesday, February 7, 2017 - 4:43:58 PM
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Germain Obame, Paul Brémond, Christophe Pannecouque, Gérard Audran. Synthesis and Biological Evaluation of Methylenecyclopropane Analogues of Nucleosides. SYNTHESIS, Georg Thieme Verlag, 2013, 45 (18), pp.2612--2618. ⟨10.1055/s-0033-1339311⟩. ⟨hal-01460478⟩



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