Structure-activity relationships of natural quinone vegfrecine analogs with potent activity against VEGFR-1 and -2 tyrosine kinases
作者:Hayamitsu Adachi、Chisato Nosaka、Sonoko Atsumi、Koichi Nakae、Yoji Umezawa、Ryuichi Sawa、Yumiko Kubota、Chie Nakane、Masabumi Shibuya、Yoshio Nishimura
DOI:10.1038/s41429-021-00445-y
日期:2021.10
A series of analogs of vegfrecine, a natural quinone vascular endothelial growth factor receptor (VEGFR) tyrosine kinase inhibitor, was synthesized via oxidative amination of 2,5-dihydroxybenzamide with functionalized arylamine followed by ammonolysis and substitution of the quinone ring. The inhibitory activities of the analogs against the VEGFR-1 and -2 tyrosine kinases were assayed in vitro with
一系列 vegfrecine 类似物是一种天然醌血管内皮生长因子受体 (VEGFR) 酪氨酸激酶抑制剂,通过 2,5-二羟基苯甲酰胺与官能化芳胺的氧化胺化,然后氨解和取代醌环合成。体外分析了类似物对 VEGFR-1 和 -2 酪氨酸激酶的抑制活性,目的是确定一种适合治疗癌症和炎症疾病的化合物。检查了苯基官能团的改变、醌环的取代和 1-甲酰胺-2-氨基醌部分的氧化环化以形成异恶唑醌环。在苯环的 5'-位引入卤素和烷基取代基导致对 VEGFR-1 和 -2 酪氨酸激酶的有效抑制。特别是,苯环上 C-5' 处的结构修饰显示出显着影响 VEGFR-1 和 -2 酪氨酸激酶之间抑制的选择性。化合物如图 8 所示,5'-甲基-vegfrecine 对 VEGFR-2 酪氨酸激酶显示出优于 VEGFR-1 酪氨酸激酶的选择性。