申请人:Kanda Yutaka
公开号:US20090054508A1
公开(公告)日:2009-02-26
The present invention provides a type I insulin-like growth factor receptor (IGF-1R) inhibitor comprising, as an active ingredient, an indazole derivative represented by Formula (I):
wherein R
1
represents —NR
4
R
5
[wherein R
4
represents a hydrogen atom or the like, R
5
represents substituted or unsubstituted lower alkyl, —C(═O)R
6
(wherein R
6
represents substituted or unsubstituted lower alkyl, substituted or unsubstituted aryl or the like), or the like], or the like, and R
2
and R
3
may be the same or different and each represents a hydrogen atom, hydroxy, substituted or unsubstituted lower alkoxy, or the like} or a pharmaceutically acceptable salt thereof, and the like.
本发明提供了一种I型胰岛素样生长因子受体(IGF-1R)抑制剂,其包含下式(I)所表示的吲唑衍生物作为活性成分:其中,R1表示—NR4R5[其中,R4表示氢原子或类似物,R5表示取代或未取代的低碳基,—C(═O)R6(其中,R6表示取代或未取代的低碳基,取代或未取代的芳基或类似物),或类似物],或类似物,R2和R3可以相同也可以不同,分别表示氢原子,羟基,取代或未取代的低烷氧基,或类似物}或其药学上可接受的盐等。