申请人:Shionogi & Co., Ltd.
公开号:EP2957567A1
公开(公告)日:2015-12-23
The present invention provides compounds shown by the formula:
wherein
Y1 is CR6 or N,
Y2 is CR7 or N,
Y3 is CR8 or N,
R6, R7 and R8 are each independently, a hydrogen atom, halogen, cyano, substituted or unsubstituted alkyl or the like,
Bx is a nucleic acid base moiety,
Z1 and Z2 are each independently, a hydrogen atom, a hydroxyl protecting group or a reactive phosphorus group,
R1 to R5 are each independently, a hydrogen atom, halogen, cyano, substituted or unsubstituted alkyl or the like, and
n is an integer of 0 to 3,
or salts thereof, that are novel nucleosides or nucleotides that can be useful as materials for synthesizing nucleic acid pharmaceuticals.
本发明提供的化合物如式所示:
其中
Y1 是 CR6 或 N
Y2 是 CR7 或 N
Y3 是 CR8 或 N、
R6、R7 和 R8 各自独立地为氢原子、卤素、氰基、取代或未取代的烷基或类似物、
Bx 是核酸碱基、
Z1 和 Z2 各自独立地为氢原子、羟基保护基团或活性磷基团、
R1 至 R5 各自独立地为氢原子、卤素、氰基、取代或未取代的烷基或类似基团,以及
n 是 0 至 3 的整数、
或其盐,它们是新型核苷或核苷酸,可用作合成核酸药物的材料。