Orally bioavailable pyridine and pyrimidine-based Factor XIa inhibitors: Discovery of the methyl N-phenyl carbamate P2 prime group

被引:20
作者
Corte, James R. [1 ]
Fang, Tianan [1 ]
Pinto, Donald J. P. [1 ]
Orwat, Michael J. [1 ]
Rendina, Alan R. [1 ]
Luettgen, Joseph M. [1 ]
Rossi, Karen A. [1 ]
Wei, Anzhi [1 ]
Ramamurthy, Vidhyashankar [1 ]
Myers, Joseph E., Jr. [1 ]
Sheriff, Steven [1 ]
Narayanan, Rangaraj [1 ]
Harper, Timothy W. [1 ]
Zheng, Joanna J. [1 ]
Li, Yi-Xin [1 ]
Seiffert, Dietmar A. [1 ]
Wexler, Ruth R. [1 ]
Quan, Mimi L. [1 ]
机构
[1] Bristol Myers Squibb Co, Res & Dev, POB 5400, Princeton, NJ 08543 USA
关键词
Factor XIa; FXIa; Thrombosis; Activated partial thromboplastin time aPTT; COAGULATION-FACTOR XIA; SMALL-MOLECULE; BIOLOGICAL EVALUATION; THROMBUS PROPAGATION; REDUCED INCIDENCE; CAROTID-ARTERY; BLEEDING-TIME; IN-VITRO; DEFICIENCY; DESIGN;
D O I
10.1016/j.bmc.2016.03.062
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Pyridine-based Factor XIa (FXIa) inhibitor (S)-2 was optimized by modifying the P2 prime, P1, and scaffold regions. This work resulted in the discovery of the methyl N-phenyl carbamate P2 prime group which maintained FXIa activity, reduced the number of H-bond donors, and improved the physicochemical properties compared to the amino indazole P2 prime moiety. Compound (S)-17 was identified as a potent and selective FXIa inhibitor that was orally bioavailable. Replacement of the basic cyclohexyl methyl amine P1 in (S)-17 with the neutral p-chlorophenyltetrazole P1 resulted in the discovery of (S)-24 which showed a significant improvement in oral bioavailability compared to the previously reported imidazole (S)-23. Additional improvements in FXIa binding affinity, while maintaining oral bioavailability, was achieved by replacing the pyridine scaffold with either a regioisomeric pyridine or pyrimidine ring system. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2257 / 2272
页数:16
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