Potent cyclic urea HIV protease inhibitors with benzofused heterocycles as P2/P2′ groups

Bioorganic & Medicinal Chemistry Letters
1996.0

Abstract

A series of benzofused heterocycles was examined to replace the metabolically unstable benzyl alcohol P2/P2' groups of DMP 323 (1). Extremely potent inhibitors of HIV protease (Ki < 0.01 nM) and excellent antiviral activity (IC90 = 8 nM) were found. An X-ray crystal structure of benzimidazolone 5a bound to HIV protease showed H-bonds to Asp30 and a bridging water molecule to Gly48.

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