Optimization of an azetidine series as inhibitors of colony stimulating factor-1 receptor (CSF-1R) Type II to lead to the clinical candidate JTE-952
作者:Kazutaka Ikegashira、Taku Ikenogami、Takayuki Yamasaki、Takahiro Oka、Yasunori Hase、Naoki Miyagawa、Koji Inagaki、Iichiro Kawahara、Yoshihisa Koga、Hiromasa Hashimoto
DOI:10.1016/j.bmcl.2019.02.006
日期:2019.4
Optimization of novel azetidine compounds, which we had found as colony stimulating factor-1 receptor (CSF-1R) Type II inhibitors, provided JTE-952 as a clinical candidate with high cellular activity (IC50 = 20 nM) and good pharmacokinetics profile. JTE-952 was also effective against a mouse collagen-induced model of arthritis (mouse CIA-model). Additionally, the X-ray co-crystal structure of JTE-952
我们发现新的氮杂环丁烷化合物是集落刺激因子-1受体(CSF-1R)II型抑制剂,其优化为JTE-952提供了具有高细胞活性(IC50 = 20 nM)和良好药代动力学特征的临床候选药物。JTE-952对小鼠胶原诱导的关节炎模型(小鼠CIA模型)也有效。此外,JTE-952与CSF-1R蛋白的X射线共晶体结构显示为II型抑制剂,激酶检测表明JTE-952具有高激酶选择性。