Abstract
The stability of phosphotriester derivatives of 3'-azido-2',3'-dideoxythymidine (AZT) bearing a S-pivaloyl-2-thioethyl (tBuSATE) group and various aryl residues derived from L-tyrosine was evaluated in biological media. The results demonstrate that such compounds give rise to intracellular delivery of the parent mononucleotide through esterase and phosphodiesterase hydrolytic steps, successively.
MeSH terms
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Cell Line
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Dideoxynucleotides
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Drug Stability
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HIV / drug effects*
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Humans
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Indicators and Reagents
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Thymidine Kinase / deficiency
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Thymine Nucleotides / pharmacokinetics
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Tyrosine / analogs & derivatives
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Zidovudine / analogs & derivatives*
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Zidovudine / chemistry*
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Zidovudine / pharmacokinetics
Substances
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Dideoxynucleotides
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Indicators and Reagents
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Thymine Nucleotides
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3'-azido-3'-deoxythymidine 5'phosphate
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Tyrosine
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Zidovudine
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Thymidine Kinase