2p16: Difference between revisions

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[[Image:2p16.gif|left|200px]]
{{Seed}}
[[Image:2p16.png|left|200px]]


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{{STRUCTURE_2p16|  PDB=2p16  |  SCENE=  }}  
{{STRUCTURE_2p16|  PDB=2p16  |  SCENE=  }}  


'''Factor Xa in Complex with the Inhibitor APIXABAN (BMS-562247) AKA 1-(4-METHOXYPHENYL)-7-OXO-6-(4-(2-OXO-1-PIPERIDINYL)PHENYL)-4,5,6,7-TETRAHYDRO-1H-PYRAZOLO[3, 4-C]PYRIDINE-3-CARBOXAMIDE'''
===Factor Xa in Complex with the Inhibitor APIXABAN (BMS-562247) AKA 1-(4-METHOXYPHENYL)-7-OXO-6-(4-(2-OXO-1-PIPERIDINYL)PHENYL)-4,5,6,7-TETRAHYDRO-1H-PYRAZOLO[3, 4-C]PYRIDINE-3-CARBOXAMIDE===




==Overview==
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Efforts to identify a suitable follow-on compound to razaxaban (compound 4) focused on modification of the carboxamido linker to eliminate potential in vivo hydrolysis to a primary aniline. Cyclization of the carboxamido linker to the novel bicyclic tetrahydropyrazolopyridinone scaffold retained the potent fXa binding activity. Exceptional potency of the series prompted an investigation of the neutral P1 moieties that resulted in the identification of the p-methoxyphenyl P1, which retained factor Xa binding affinity and good oral bioavailability. Further optimization of the C-3 pyrazole position and replacement of the terminal P4 ring with a neutral heterocycle culminated in the discovery of 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrah ydro-1H-pyrazolo[3,4-c]pyridine-3-carboxamide (apixaban, compound 40). Compound 40 exhibits a high degree of fXa potency, selectivity, and efficacy and has an improved pharmacokinetic profile relative to 4.
The line below this paragraph, {{ABSTRACT_PUBMED_17914785}}, adds the Publication Abstract to the page
(as it appears on PubMed at http://www.pubmed.gov), where 17914785 is the PubMed ID number.
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{{ABSTRACT_PUBMED_17914785}}


==About this Structure==
==About this Structure==
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[[Category: Protein inhibitor complex]]
[[Category: Protein inhibitor complex]]
[[Category: Serine protease]]
[[Category: Serine protease]]
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