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Title: Improving the antiviral efficacy and selectivity of HIV-1 reverse transcriptase inhibitor TSAO-T by the introduction of functional groups at the N-3 position
Authors: Bonache, María-Cruz ×
Chamorro, Cristina
Velázquez, Sonsoles
De Clercq, Erik
Balzarini, Jan
Barrios, Fátima Rodríguez
Gago, Federico
Camarasa, María-José
San-Félix, Ana #
Issue Date: Oct-2005
Publisher: ACS Publications
Series Title: Journal of Medicinal Chemistry vol:48 issue:21 pages:6653-6660
Abstract: Novel derivatives of the anti-HIV-1 agent, TSAO-T, bearing at the N-3 position a variety of polar, lipophilic, or aromatic groups linked to that position through flexible polymethylene linkers of different length, were prepared and evaluated for their anti-HIV activity. Several compounds (within the series of polar bearing groups) exhibited a 2-6-fold improved antiviral potency with regard to the lead compound, TSAO-T. Moreover, some of the most active N-3 TSAO derivatives retain antiviral activity against the TSAO-T-resistant HIV-1 strain (Glu138 --> Lys). Interestingly, the N-methylcarboxamide derivative 17 was 5- to 6-fold more active (IC50: 0.56 microM) against recombinant HIV-1 reverse transcriptase than the lead compound, thus becoming the most active TSAO derivative synthesized so far. On the other hand, the N-3 methylcarboxamide TSAO derivative 12 turned out to have the highest selectivity index yet reported for this class of compounds (around > or =12 000).
URI: 
ISSN: 0022-2623
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Virology and Chemotherapy (Rega Institute)
× corresponding author
# (joint) last author

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