COMPARISON OF THE ANTIVIRAL ACTIVITY OF HYDROPHOBIC AMINO ACID PHOSPHORAMIDATE MONOESTERS OF 2′, 3′-DIDEOXYADENOSINE (DDA) AND 3′-AZIDO-3′-DEOXYTHYMIDINE (AZT)
- 31 July 2001
- journal article
- Published by Taylor & Francis in Nucleosides, Nucleotides and Nucleic Acids
- Vol. 20 (8) , 1571-1582
- https://doi.org/10.1081/ncn-100105248
Abstract
A series of hydrophobic, water soluble and non-toxic amino acid phosphoramidate monoesters of dideoxyadenosine (ddA) and 3′-azido-3′-deoxythymidine were shown to inhibit the replication of HIV-1 in human peripheral blood mononuclear cells (PBMC) from two donors. The tryptophan methyl ester phosphoramidates of AZT and ddA were equally potent (EC50S = 0.3–0.4 μM), while the phenyl methyl ester of ddA was 40- to 100- fold more potent than the AZT derivatives. The alaninyl methyl ester of AZT was found to be 70- fold more potent than the ddA derivative. The methyl amide derivatives were found to be 5–20 fold less active than the methyl esters for the ddA series, while for AZT the derivatives were found to be of similar potency or 60- to 166- fold more potent than the methylesters.Keywords
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