Design, Synthesis, and Biological Evaluation of Novel Conformationally Constrained Inhibitors Targeting EGFR
作者:Jianwei Wu、Wenteng Chen、Guangxin Xia、Jing Zhang、Jiaan Shao、Biqin Tan、Chunchun Zhang、Wanwan Yu、Qinjie Weng、Haiyan Liu、Miao Hu、Hailin Deng、Yu Hao、Jingkang Shen、Yongping Yu
DOI:10.1021/ml4002437
日期:2013.10.10
assays and in vivo antitumor studies. The results indicated that 9n is a potent kinase inhibitor against both wild-type and T790M mutant EGFR kinase. Meanwhile, an oral administration of 9n at a dose of 200 mg/kg produced a considerable antitumor effect in a A431 xenograft model, as compared to gefitinib. A preliminary pharmacokinetic study of 9n also indicates it has good pharmacokinetic properties,
这封信描述了构象受限的喹唑啉类似物的构建。结构-活性关系研究导致了铅化合物9n的鉴定。化合物9n对A431(WT,过表达)和H1975([L858R / T790M])癌细胞系表现出有效的体外活性,但对EGFR阴性癌细胞系(SW620,A549和K562)的效力明显较低。还在酶促测定和体内抗肿瘤研究中评估了化合物9n的效力。结果表明9n是针对野生型和T790M突变型EGFR激酶的有效激酶抑制剂。同时,与吉非替尼相比,以200 mg / kg的剂量口服9n在A431异种移植模型中产生了显着的抗肿瘤作用。