Purine derivatives as potent Bruton's tyrosine kinase (BTK) inhibitors for autoimmune diseases

被引:36
作者
Shi, Qing [1 ]
Tebben, Andrew [1 ]
Dyckman, Alaric J. [1 ]
Li, Hedy [1 ]
Liu, Chunjian [1 ]
Lin, James [1 ]
Spergel, Steve [1 ]
Burke, James R. [1 ]
McIntyre, Kim W. [1 ]
Olini, Gilbert C. [1 ]
Strnad, Joann [1 ]
Surti, Neha [1 ]
Muckelbauer, Jodi K. [1 ]
Chang, Chiehying [1 ]
An, Yongmi [1 ]
Cheng, Lin [1 ]
Ruan, Qian [1 ]
Leftheris, Katerina [1 ]
Carter, Percy H. [1 ]
Tino, Joseph [1 ]
De Lucca, George V. [1 ]
机构
[1] Bristol Myers Squibb Co, Res & Dev, Princeton, NJ 08543 USA
关键词
BTK; Autoimmune diseases; Purine; DRUG DISCOVERY; ACTIVATION; REARRANGEMENT; ARTHRITIS; RESPONSES; GENE; MICE;
D O I
10.1016/j.bmcl.2014.02.075
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Investigation of various heterocyclic core isosteres of imidazopyrazines 1 & 2 yielded purine derivatives 3 & 8 as potent and selective BTK inhibitors. Subsequent SAR studies of the purine series led to the discovery of 20 as a leading compound. Compound 20 is very selective when screened against a panel of 400 kinases and is a potent inhibitor in cellular assays of human B cell function including B-Cell proliferation and CD86 cell surface expression and exhibited in vivo efficacy in a mouse PCA model. Its X-ray co-crystal structure with BTK shows that the high selectivity is gained from filling a BTK specific lipophilic pocket. However, physical and ADME properties leading to low oral exposure hindered further development. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2206 / 2211
页数:6
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