The present invention relates to a quinazoline derivative shown in formula (I) and a preparation method therefor, a pharmaceutical composition comprising the compound shown in formula (I), and an application of the compound in preparing drugs for curing and preventing tumors. The compound of the present invention can irreversibly prevent EGFR phosphorylation, and effectively depress signal transduction of cancer cells, and accordingly has higher anti-tumor activity in vitro and in vivo,
本发明涉及一种在式(I)中显示的
喹唑啉衍
生物及其制备方法,包括式(I)中显示的化合物的药物组合物,以及该化合物在制备治疗和预防肿瘤的药物中的应用。本发明的化合物可以不可逆地阻止
EGFR
磷酸化,有效抑制癌细胞的
信号转导,因此在体外和体内具有更高的抗肿瘤活性。