438571-12-1Relevant articles and documents
Structural requirements for factor Xa inhibition by 3-oxybenzamides with neutral P1 substituents: Combining X-ray crystallography, 3D-QSAR, and tailored scoring functions
Matter, Hans,Will, David W.,Nazaré, Marc,Schreuder, Herman,Laux, Volker,Wehner, Volkmar
, p. 3290 - 3312 (2007/10/03)
The design, synthesis, and structure-activity relationship of 3-oxybenzamides as potent inhibitors of the coagulation protease factor Xa are described on the basis of X-ray structures, privileged structure motifs, and SAR information. A total of six X-ray structures of fXa/inhibitor complexes led us to identify the major protein-ligand interactions. The binding mode is characterized by a lipophilic dichlorophenyl substituent interacting with Tyr228 in the protease S1 pocket, while polar parts are accommodated in S4. This alignment in combination with docking allowed derivation of 3D-QSAR models and tailored scoring functions to rationalize biological affinity and provide guidelines for optimization. The resulting models showed good correlation coefficients and predictions of external test sets. Furthermore, they correspond to binding site topologies in terms of steric, electrostatic, and hydrophobic complementarity. Two approaches to derive tailored scoring functions combining binding site and ligand information led to predictive models with acceptable predictions of the external set. Good correlations to experimental affinities were obtained for both AFMoC (adaptation of fields for molecular comparison) and the novel TScore function. The SAR information from 3D-QSAR and tailored scoring functions agrees with all experimental data and provides guidelines and reasonable activity estimations for novel fXa inhibitors.
New oxybenzamide derivatives useful for inhibiting factor Xa or VIIa
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, (2008/06/13)
The present invention relates to compounds comprising the following formula: R0—Q—X—Q′—W—U—V—G—M??(I) These compounds are useful as pharmacologically active compounds. They exhibit an antithrombotic effect and are suitable, for example, for the therapy and prophylaxis of cardiovascular disorders such as thromboembolic diseases or restenoses. These compounds are reversible inhibitors of the blood clotting enzymes factor Xa (FXa) and/or factor VIIa (FVIIa), and can generally be used to treat, prevent, or cure conditions in which an undesired activity of factor Xa and/or factor VIIa is present, or where inhibition of factor Xa and/or factor VIIa is intended. The invention further relates to processes for the preparation of these compounds, methods of their use (e.g., as active ingredients in pharmaceuticals), and pharmaceutical preparations comprising them.
