申请人:FUJIFILM Corporation
公开号:US20170233429A1
公开(公告)日:2017-08-17
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, R
1
represents a hydroxyl group which may be protected, a C
1-20
alkoxy group which may be substituted, or the like; R
2
represents a C
1-20
alkoxy group which may be substituted, a C
3-8
cycloalkoxy group which may be substituted, or the like; and R
3
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.
揭示了一种化合物和药物组合物,对抗抗对吉西他滨产生耐药性的肿瘤表现出优异的药效。具体来说,提供了一种由通用式[1]表示的硫代核苷衍生物
(在公式中,R1代表可能被保护的羟基、可能被取代的C1-20烷氧基等;R2代表可能被取代的C1-20烷氧基、可能被取代的C3-8环烷氧基等;R3代表氢原子等)或其盐。此外,提供了含有这种硫代核苷衍生物或其盐的药物组合物。