Vargas G, Escalona IS, Salas M, Gordillo B, Sierra A. Synthesis and RT inhibitory activity evaluation of new pyrimidine-based seco-nucleosides.
Nucleosides Nucleotides Nucleic Acids 2008;
25:243-57. [PMID:
16629118 DOI:
10.1080/15257770500446931]
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Abstract
Eleven new 3',4'-seco acyclic nucleosides (4-14) were prepared by nucleophilic substitution of protected pyrimidine bases on ethyl 3,3-diethoxypropanoate (3). Structures were characterized spectroscopically and a brief analysis of their conformation in solution was performed by the vicinal coupling constants (3)JH2'aH3' and (3)JH2'bH3'. In solid state, compound 6 forms a homodimer linked by hydrogen bonding. In preliminary tests all compounds show low toxicity and gentle activity against HIV-1 RT in vitro.
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