Article ID Journal Published Year Pages File Type
1374952 Bioorganic & Medicinal Chemistry Letters 2006 5 Pages PDF
Abstract

Inhibiting the classical pathway of complement activation by attenuating the proteolytic activity of the serine protease C1s is a potential strategy for the therapeutic intervention in disease states such as hereditary angioedema, ischemia–reperfusion injury, and acute transplant rejection. A series of arylsulfonylthiophene-2-carboxamidine inhibitors of C1s were synthesized and evaluated for C1s inhibitory activity. The most potent compound had a Ki of 10 nM and >1000-fold selectivity over uPA, tPA, FXa, thrombin, and plasmin.

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Physical Sciences and Engineering Chemistry Organic Chemistry
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