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|Title:||Dihydro-alkylthio-benzyl-oxopyrimidines as Inhibitors of Reverse Transcriptase: Synthesis and Rationalization of the Biological Data on Both Wild-Type Enzyme and Relevant Clinical Mutants||Authors:||Mugnaini, Claudia
CLOTET CODINA, I
ARMAND UGON, M
ESTE J., A
|Issue Date:||2007||Project:||None||Journal:||JOURNAL OF MEDICINAL CHEMISTRY||Abstract:||
A series of novel S-DABO analogues, characterized by different substitution patterns at positions 2, 5, and 6 of the heterocyclic ring, were synthesized in a straightforward fashion by means of parallel synthesis and evaluated as inhibitors of human immunodeficiency virus type-1 (HIV-1). Most of the compounds proved to be highly active on the wild-type enzyme both in enzymatic and cellular assays, with one of them emerging as the most active reverse transcriptase inhibitor reported so far (EC50wt = 25 pM). The general loss of potency displayed by the compounds toward clinically relevant mutant strains was deeply studied through a molecular modeling approach, leading to the evidence that the dynamic of the entrance in the non-nucleoside binding pocket could represent the basis of the inhibitory activity of the molecules.
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