Synthesis and anti-tumor efficacy of novel 2, 4-diarylaminopyrimidine derivatives bearing N-(3-pyridinylmethyl) urea moiety as anaplastic lymphoma kinase inhibitors
作者:Hong Chen、Ridong Li、Xianling Ning、Xuyang Zhao、Yan Jin、Yuxin Yin
DOI:10.1016/j.ejmech.2019.05.060
日期:2019.9
(ALK) is a receptor tyrosine kinase responsible for development of various tumor types. In this study, we synthesized a series of novel 2,4-diarylaminopyrimidine derivatives possessing a unique N-(3-pyridinylmethyl)urea moiety as ALK inhibitors. The most promising analog 5m bearing a 3-methoxy-4-morpholinophenyl substituent significantly inhibited proliferation of ALK positive H3122 and Karpas-299 cells
间变性淋巴瘤激酶(ALK)是负责各种肿瘤类型发展的受体酪氨酸激酶。在这项研究中,我们合成了一系列新型的2,4-二芳基氨基嘧啶衍生物,它们具有独特的N-(3-吡啶基甲基)脲作为ALK抑制剂。带有3-甲氧基-4-吗啉代苯基取代基的最有前途的类似物5m可显着抑制ALK阳性H3122和Karpas-299细胞的增殖,IC 50值约为10 nM,与阳性对照LDK378相当。化合物5m抑制ALK及其下游蛋白的磷酸化,并且对正常人原代成纤维细胞(BJ细胞)显示出低细胞毒性。装订方式5m由对接模拟提出,其解释了N-(3-吡啶基甲基)脲部分的重要作用。此外,在H3122异种移植小鼠模型中,化合物5m表现出良好的肝微粒体稳定性和显着的功效。有趣的是,化合物5m对其他人肿瘤细胞系也显示出更广泛的抗增殖活性,这与其他ALK抑制剂不同。