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Title: Synthesis, in vitro antiviral evaluation, and stability studies of novel alpha-borano-nucleotide analogues of 9-[2-(phosphonomethoxy)ethyl]adenine and (R)-9-[2-(phosphonomethoxy)propyl]adenine
Authors: Barral, Karine ×
Priet, Stéphane
Sire, Joséphine
Neyts, Johan
Balzarini, Jan
Canard, Bruno
Alvarez, Karine #
Issue Date: Dec-2006
Publisher: ACS Publications
Series Title: Journal of Medicinal Chemistry vol:49 issue:26 pages:7799-7806
Abstract: We describe here the synthesis of 9-[2-(boranophosphonomethoxy)ethyl]adenine (6a) and (R)-9-[2-(boranophosphonomethoxy)propyl]adenine (6b), the first alpha-boranophosphonate nucleosides in which a borane (BH3) group substitutes one nonbridging oxygen atom of the alpha-phosphonate moiety. H-phosphinates 5a and 5b and alpha-boranophosphonates 6a and 6b were evaluated for their in vitro activity against human immunodeficiency virus (HIV) infected cells and against a panel of DNA or RNA viruses. Compounds 5a, 5b, 6a, and 6b exhibited no significant antiviral activity in vitro and cytotoxicity. To measure the chemical and enzymatic stabilities of the target compounds 6a and 6b, kinetic data of decomposition for derivatives 5a, 5b, 6a, 6b, and standard compounds were studied at 37 degrees C in several media. The alpha-boranophosphonates 6a and 6b were metabolized in culture medium into H-phosphinates 5a and 5b, with half-live values of 5.3 h for 6a and 1.3 h for 6b.
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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