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- Document 0423
- DOCN M9620423
- TI Structure-based design of nonpeptidic HIV protease inhibitors from a
- cyclooctylpyranone lead structure.
- DT 9602
- AU Romines KR; Watenpaugh KD; Howe WJ; Tomich PK; Lovasz KD; Morris JK;
- Janakiraman MN; Lynn JC; Horng MM; Chong KT; et al; Structural,
- Analytical, and Medicinal Chemistry Research, Upjohn; Laboratories,
- Kalamazoo, Michigan 49001, USA.
- SO J Med Chem. 1995 Oct 27;38(22):4463-73. Unique Identifier : AIDSLINE
- MED/96071095
- AB Recently, the novel cyclooctylpyranone HIV protease inhibitor 1 was
- identified in our labs, and an X-ray structure of this inhibitor
- complexed with HIV-2 protease was obtained. This crystal structure was
- used to develop two strategies for creating derivatives of 1 with
- enhanced enzyme inhibitory activity. The first strategy, substitution on
- the cyclooctyl ring, met with limited success, but provided some
- interesting information about the conformationally-flexible cycloocytyl
- ring on the inhibitors. The second strategy, substitution at the meta
- position of the aryl ring, was far more successful and generated
- compounds, such as the carboxamide derivatives 41 (Ki = 3.0 +/- 0.4 nM)
- and 36 (Ki = 4.0 +/- 0.8 nM), which were significantly more active than
- the corresponding unsubstituted cycloocytlpyranone 2 (Ki = 11.7 +/- 4.7
- nM). An X-ray crystal structure of 36 complexed with HIV-1 protease
- indicated the increase in binding affinity is most likely due to the
- additional interactions between the amide substituent and the S3 region
- of the protease.
- DE Aspartic Proteinases/ANTAGONISTS & INHIB/CHEMISTRY/METABOLISM Computer
- Graphics Crystallography, X-Ray Drug Design HIV
- Protease/CHEMISTRY/METABOLISM HIV Protease
- Inhibitors/CHEMISTRY/*CHEMICAL SYNTHESIS/ PHARMACOLOGY Models,
- Molecular Molecular Structure Nuclear Magnetic Resonance
- Pyrones/CHEMISTRY/*CHEMICAL SYNTHESIS/PHARMACOLOGY JOURNAL ARTICLE
-
- SOURCE: National Library of Medicine. NOTICE: This material may be
- protected by Copyright Law (Title 17, U.S.Code).
-
-