申请人:FUJIFILM Corporation
公开号:US10059734B2
公开(公告)日:2018-08-28
Disclosed are a compound and a pharmaceutical composition that exhibit an excellent drug efficacy against a tumor, in particular a tumor which has acquired resistance to gemcitabine. Specifically, provided is a thionucleoside derivative represented by General Formula [1]
(in the formula, R1 represents a hydroxyl group which may be protected, a C1-20 alkoxy group which may be substituted, or the like; R2 represents a C1-20 alkoxy group which may be substituted, a C3-8 cycloalkoxy group which may be substituted, or the like; and R3 represents a hydrogen atom or the like); or a salt thereof. Further, provided is a pharmaceutical composition containing such a thionucleoside derivative or a salt thereof.
本发明公开了一种化合物和药物组合物,该化合物和药物组合物对肿瘤,特别是对吉西他滨产生抗药性的肿瘤具有极佳的药效。具体而言,提供了一种由通式[1]表示的硫代核苷衍生物
(式中,R1 代表可被保护的羟基、可被取代的 C1-20 烷氧基或类似基团;R2 代表可被取代的 C1-20 烷氧基、可被取代的 C3-8 环烷氧基或类似基团;R3 代表氢原子或类似基团);或其盐。此外,还提供了一种含有这种硫代核苷衍生物或其盐的药物组合物。