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ID: ALA1136416

Journal: Bioorg Med Chem Lett

Title: Identification of a stable chymase inhibitor using a pharmacophore-Based database search.

Authors: Koide Y, Tatsui A, Hasegawa T, Murakami A, Satoh S, Yamada H, Kazayama S, Takahashi A.

Abstract: In general, serine protease chymase inhibitors readily decompose in plasma. We previously found that thiazolidine-2,4-dione and thiadiazole derivatives are also unstable. Using a pharmacophore-based database search, we identified a benzo[b]thiophen-2-sulfonamide derivative as a stable chymase inhibitor. Finding a lead compound with adequate activity and stability by a pharmacophore-based approach is more efficient than modifying an unstable compound to reduce its instability without simultaneously decreasing its inhibitory activity. Our pharmacophore model of chymase inhibitors suggests that the two hydrophobic interactions in the S1 and S1' regions and the two H-bonding interactions between them play important roles in chymase inhibitors.

CiteXplore: 12467610

DOI: 10.1016/s0960-894x(02)00853-3