作者:Xiangrui Jiang、Qiang Zhang、Yongjun Mao、Zheng Liu、Kai Xie、Yi Zhu、Yabing Wei、Jingshan Shen
DOI:10.3987/com-11-12343
日期:——
New route for the preparation of N-(3-cyano-7-ethoxy-1,4dihydro-4-oxoquinolin-6-yl)acetamide (1), a key intermediate for the synthesis of selective EGFR kinase inhibitors, was described. 4(1H)-Quinolones are a series of important intermediates for the synthesis of anticancer, antimalarial, antidiabetic, antiviral agents and reversible (H/K) ATPase inhibitors. N-(3-Cyano-7-ethoxy-1,4dihydro-4-oxoqu
描述了制备 N-(3-cyano-7-ethoxy-1,4dihydro-4-oxoquinolin-6-yl)acetamide (1) 的新途径,它是合成选择性 EGFR 激酶抑制剂的关键中间体。4(1H)-喹诺酮类是合成抗癌、抗疟疾、抗糖尿病、抗病毒剂和可逆 (H/K) ATP 酶抑制剂的一系列重要中间体。N-(3-Cyano-7-ethoxy-1,4dihydro-4-oxoquinolin-6-yl)acetamide (1,图 1) 是 EKB-569 (2) 或 neratinib (3) 的关键中间体,两者都是其被开发为表皮生长因子受体 (EGFR) 和人表皮生长因子受体-2 (EGFR-2) 蛋白酪氨酸激酶的双重不可逆抑制剂。在之前的报道中,1 是使用 2-氨基-5-硝基苯酚 (4) 作为起始材料制备的。5通过4的乙酰化、乙基化和还原合成(方案1),