Peterlin-Masic L, Mlinsek G, Solmajer T, Trampus-Bakija A, Stegnar M, Kikelj D. Novel thrombin inhibitors incorporating non-basic partially saturated heterobicyclic P1-arginine mimetics.
Bioorg Med Chem Lett 2003;
13:789-94. [PMID:
12617892 DOI:
10.1016/s0960-894x(03)00030-1]
[Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The design, synthesis and biological activity of non-covalent thrombin inhibitors incorporating 4,5,6,7-tetrahydroindazole, 2-methyl-4,5,6,7-tetrahydroindazole, 4,5,6,7-tetrahydroisoindole, 5,6,7,8-tetrahydroquinazoline and 5,6,7,8-tetrahydroquinazolin-2-amine as novel, partially saturated, heterobicyclic P(1)-arginine side-chain mimetics is described. The binding mode of the most potent candidate in the series co-crystallized with human alpha-thrombin, which exhibited an in vitro K(i) of 140nM and more that 478-fold selectivity against trypsin, is discussed.
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