Discovery and optimization of potent and selective triazolopyridazine series of c-Met inhibitors
作者:Alessandro A. Boezio、Loren Berry、Brian K. Albrecht、David Bauer、Steven F. Bellon、Christiane Bode、April Chen、Deborah Choquette、Isabelle Dussault、Satoko Hirai、Paula Kaplan-Lefko、Jay F. Larrow、Min-Hwa Jasmine Lin、Julia Lohman、Michele H. Potashman、Karen Rex、Michael Santostefano、Kavita Shah、Roman Shimanovich、Stephanie K. Springer、Yohannes Teffera、Yajing Yang、Yihong Zhang、Jean-Christophe Harmange
DOI:10.1016/j.bmcl.2009.09.096
日期:2009.11
of the receptor tyrosine kinase c-Met has been implicated in several human cancers and is an attractive target for small molecule drug discovery. We previously showed that O-linked triazolopyridazines can be potent inhibitors of c-Met. Herein, we report the discovery of a related series of N-linked triazolopyridazines which demonstrate nanomolar inhibition of c-Met kinase activity and display improved
受体酪氨酸激酶c-Met的失调已经牵涉到几种人类癌症中,并且是小分子药物发现的有吸引力的靶标。我们以前表明,O-连接的三唑并哒嗪可能是c-Met的有效抑制剂。在此,我们报告了一系列相关的N-连接的三唑并哒嗪的发现,它们显示了纳摩尔抑制c-Met激酶活性并显示出改善的药效学特征。特别是,在这种新型抑制剂系列中,消除了与O-连接的三唑并哒嗪相关的细胞色素P450的有效时间依赖性抑制作用。N-联三唑并哒嗪24在小鼠肝PD模型中显示出良好的药代动力学并显示出对HGF介导的c-Met磷酸化的有效抑制作用。在NIH-3T3 / TPR-Met异种移植小鼠功效模型中,每天一次口服24天共22天显示出显着的肿瘤生长抑制作用。