Antiviral Research 1992-09-01

Synthesis and in vitro evaluation of a phosphonate prodrug: bis(pivaloyloxymethyl) 9-(2-phosphonylmethoxyethyl)adenine.

J E Starrett, D R Tortolani, M J Hitchcock, J C Martin, M M Mansuri

Index: Antiviral Res. 19(3) , 267-73, (1992)

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Abstract

9-(2-Phosphonylmethoxyethyl)adenine (PMEA; 1) was acylated with chloromethyl pivalate to afford bis(pivaloyloxymethyl) PMEA (2). The ester prodrug demonstrated enhanced in vitro potency against HSV-2 greater than 150-fold higher than the parent compound. The antiviral activity of 2 was 50-fold better than PMEA against HSV-1, and equipotent against HIV and HCMV. The toxicity of 2 was studied in both resting and growing cells.

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