Aromathecins 是人类拓扑异构酶 I (Top1) 的抑制剂。这些化合物是几种杂芳烃系统的复合物,即喜树碱和茚并异喹啉,当在 14 位取代时,它们具有显着的 Top1 抑制和细胞毒性。这些化合物的 SAR 与茚并异喹啉重叠,表明它们可能类似地嵌入到 Top1-DNA 复合物中. 尽管如此,所提议的芳香素结合模式纯属假设,因为 X 射线结构不可用。在目前的通讯中,作为综合 SAR 研究的一部分,我们通过简单的模块化路线合成了八个新系列的 A 环取代(位置 1-3)芳香素。某些组(例如 2,3-亚乙基二氧基)适度提高了 Top1 抑制作用,通常还提高了抗增殖活性,而其他组(2, 3-二甲氧基和 3-取代基)减弱生物活性。引人注目的是,这些趋势与先前在喜树碱 A 环中观察到的趋势非常相似,这种相当大的 SAR 重叠进一步支持(在没有晶体学数据的情况下)芳香素作为界面抑制剂结合在 Top1
[EN] CAMPTOTHECIN DERIVATIVES<br/>[FR] DÉRIVÉS DE CAMPTOTHÉCINE
申请人:IMMUNOGEN INC
公开号:WO2020219287A1
公开(公告)日:2020-10-29
Disclosed herein are novel cytotoxic compounds, and cytotoxic conjugates comprising these cytotoxic compounds and cell-binding agents. More specifically, this disclosure relates to novel camptothecin derivatives thereof, intermediates thereof, conjugates thereof, and pharmaceutically acceptable salts thereof, which are useful as medicaments, in particular as anti-proliferative agents (anticancer agents).
Disclosed herein are novel cytotoxic compounds, and cytotoxic conjugates comprising these cytotoxic compounds and cell-binding agents. More specifically, this disclosure relates to novel camptothecin derivatives thereof, intermediates thereof, conjugates thereof, and pharmaceutically acceptable salts thereof, which are useful as medicaments, in particular as anti-proliferative agents (anticancer agents).
[EN] TOXIN MOLECULE SUITABLE FOR ANTIBODY-DRUG CONJUGATE<br/>[FR] MOLÉCULE DE TOXINE APPROPRIÉE POUR UN CONJUGUÉ ANTICORPS-MÉDICAMENT<br/>[ZH] 适用于抗体-药物偶联物的毒素分子
[EN] CAMPTOTHECIN DERIVATIVE, AND PHARMACEUTICAL COMPOSITION AND USE THEREOF<br/>[FR] DÉRIVÉ DE CAMPTOTHÉCINE, COMPOSITION PHARMACEUTIQUE ET LEUR UTILISATION<br/>[ZH] 喜树碱衍生物、其药物组合物及其应用
[EN] CAMPTOTHECIN COMPOUND, PREPARATION METHOD THEREFOR AND USE THEREOF<br/>[FR] COMPOSÉ CAMPTOTHÉCINE, SON PROCÉDÉ DE PRÉPARATION ET SON UTILISATION<br/>[ZH] 一种喜树碱类化合物、其制备方法和用途