Studies of HIV-1 Protease Inhibitors. I.Incorporation of a Reduced Peptide, Simple Aminoalcohol, and Statine Analog at the Scissile Site Substrate Sequences

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Inhibitors of the protease of human immunodeficiency virus type-1 (HIV-1) were designed and synthesized. A reduced peptide, simple aminoalcohol, and statine analog, 4-amino-3-hydroxy-5-phenylpentanoic acid (AHPPA), were inserted at the scissile site of substrate sequences of HIV-1 protease. While both reduced peptides and simple aminoalcohol derivatives were weak inhibitors, the peptides containing AHPPA demonstrated moderate inhibitory activity. The more potent alcohol configuration of AHPPA is (R), which is opposite to the configuration in potent inhibitors of other aspartic proteases. In particular, compound 28 ((3R, 4S)-4-(N-tert-butoxycarbonyl-L-glutaminyl-L-asparaginyl)amino-3-hydroxy-5-phenylpentanoic acid 2'-methylbutylamide) had a K_i of 0.36μM and exhibited excellent enzyme specificity.
社団法人日本薬学会の論文
1993-08-15