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  • Title: S-acyl-2-thioethyl aryl phosphotriester derivatives of AZT: synthesis, antiviral activity, and stability study.
    Author: Peyrottes S, Coussot G, Lefebvre I, Imbach JL, Gosselin G, Aubertin AM, Périgaud C.
    Journal: J Med Chem; 2003 Feb 27; 46(5):782-93. PubMed ID: 12593658.
    Abstract:
    The synthesis, antiviral activity, and stability study of phosphotriester derivatives of 3'-azido-2',3'-dideoxythymidine (AZT) bearing modified l-tyrosinyl residues are reported. These compounds were obtained via phosphoramidite (P(III)) chemistry from the appropriate aryl precursors. All the derivatives were evaluated for their in vitro anti-HIV activity, and they appeared to be potent inhibitors of HIV-1 replication in various cell culture experiments, with EC(50) values between the micro- and nanomolar range, especially in thymidine kinase deficient (TK(-)) cells, showing their ability to act as mononucleotide prodrugs. The proposed decomposition process of these mixed mononucleoside aryl phosphotriesters successively involves an esterase and a phosphodiesterase hydrolysis.
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