Discovery of a Potent, Selective, and Orally Available MTHFD2 Inhibitor (DS18561882) with in Vivo Antitumor Activity
作者:Junya Kawai、Tadashi Toki、Masahiro Ota、Hidekazu Inoue、Yoshimi Takata、Takashi Asahi、Makoto Suzuki、Takashi Shimada、Kaori Ono、Kanae Suzuki、Sachiko Takaishi、Hitoshi Ohki、Satoshi Matsui、Shinji Tsutsumi、Yasuhide Hirota、Kiyoshi Nakayama
DOI:10.1021/acs.jmedchem.9b01113
日期:2019.11.27
isozyme-selective MTHFD2 inhibitor, DS18561882 (2). Through investigation of the substituents on our tricyclic coumarin scaffold (1,2,3,4-tetrahydrochromeno[3,4-c]pyridin-5-one), MTHFD2 inhibitory activity was shown to be elevated by incorporating an amine moiety at the 8-position and a methyl group at the 7-position of the initial lead 1. X-ray structure analysis revealed that a key interaction for enhanced
我们报告了一种有效的和同工酶选择性MTHFD2抑制剂DS18561882(2)的发现。通过研究我们的三环香豆素骨架上的取代基(1,2,3,4-四氢色素[3,4- c ]吡啶-5-酮),MTHFD2的抑制活性通过在第8位引入胺部分而提高-位置和初始铅1的7位上的甲基。X射线结构分析表明,增强效能的关键相互作用是NAD +辅因子的胺部分和二磷酸酯连接基之间形成盐桥。此外,用邻位磺酰胺代替苯甲酸1显着改善了针对人类乳腺癌细胞系的细胞通透性和基于细胞的生长抑制。如此优化的DS18561882在同类小鼠中显示出最强的基于细胞的活性(GI 50 = 140 nM),良好的口服药代动力学特征,从而在口服小鼠异种移植模型中抑制了肿瘤的生长。