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Merck

Design and synthesis of vidarabine prodrugs as antiviral agents.

Bioorganic & medicinal chemistry letters (2008-12-23)
Wei Shen, Jae-Seung Kim, Phillip E Kish, Jie Zhang, Stefanie Mitchell, Brian G Gentry, Julie M Breitenbach, John C Drach, John Hilfinger
ABSTRACT

5'-O-D- and L-amino acid derivatives and 5'-O-(D- and L-amino acid methyl ester phosphoramidate) derivatives of vidarabine (ara-A) were synthesized as vidarabine prodrugs. Some compounds were equi- or more potent in vitro than vidarabine against two pox viruses and their uptake by cultured cells was improved compared to the parent drug.

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Sigma-Aldrich
Adenine 9-β-D-arabinofuranoside, ≥99%