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Development of potent and selective plasmin and plasma kallikrein inhibitors and studies on the structure-activity
1Faculty of Pharmaceutical Sciences, Kobe Gakuin University, Japan. okada@pharm.kobegakuin.ac.jp
Chemical & Pharmaceutical Bulletin
|January 6, 2001
Abstract:
Based on structure-activity relationship studies, we designed and synthesized plasmin (PL) and plasma kallikrein (PK) inhibitors. Trans-(4-aminomethylcyclohexanecarbonyl)-Tyr(O-Pic)-octylamide inhibited PL, PK, urokinase (UK) and thrombin (TH) with IC50 values of 0.53, 30, 5.3 and > 400 microm, respectively. Trans-(4-aminomethylcyclohexanecarbonyl)-Tyr(O-2-Pyrim)-4-carboxyanilide inhibited PL, PK, UK and TH with IC50 values of 36, 0.56, 440 and > 1,000 microM, respectively.