申请人:Nippon Shinyaku Co., Ltd.
公开号:EP2634176A1
公开(公告)日:2013-09-04
[Problem to be Solved by the Invention]
A main object of the present invention is to provide a novel pyridine derivative or a pharmaceutically acceptable salt thereof.
[Means of Solving the Problems]
A pyridine derivative or a pharmaceutically acceptable salt represented by the following genaral formula [1] or a pharmaceutically acceptable salt thereof.
In formula [1], R represents an aryl group or a heteroaryl group, wherein each of the aryl group and the heteroaryl group may be substituted by one or two substituents independently selected from the group consisting of an optionally substituted alkyl group, a hydroxy group, a halogen atom and a group represented by general formula [2]. In formula [2],
-L1-L2-L3-RA
L1 and L3 independently represent a single bond, an alkylene group or a cycloalkylene group; L2 represents a single bond, O, or NRB; RB represents H or an optionally substituted alkyl group; RA represents H, an amino group, a cyano group, a hydroxy group, an alkoxy group, an aryl group, a monoalkylamino group, a dialkylamino group, a carbamoyl group, an alkyloxycarbonyl group, a monoalkylaminocarbonyl group, a dialkylaminocarbonyl group, an alkylcarbonylamino group, a saturated heterocyclic group, an optionally substituted alkyl group, an optionally substituted cycloalkyl group or an optionally substituted heteroaryl group.
[本发明要解决的问题]
本发明的主要目的是提供一种新型吡啶衍生物或其药学上可接受的盐。
[解决问题的方法]
由下式[1]代表的吡啶衍生物或其药学上可接受的盐。
在式[1]中,R 代表芳基或杂芳基,其中每个芳基和杂芳基可被一个或两个取代基取代,这些取代基独立地选自任选取代的烷基、羟基、卤素原子和通式[2]所代表的基团组成的组。在式 [2] 中
-L1-L2-L3-RA
L1 和 L3 各自代表单键、亚烷基或环烷基;L2 代表单键、O 或 NRB;RB 代表 H 或任选取代的烷基;RA 代表 H、氨基、氰基、羟基、烷氧基、芳基、单烷基氨基、二烷基氨基、氨基甲酰基、烷氧基羰基、单烷基氨基羰基、二烷基氨基羰基、烷基羰基氨基、饱和杂环基、任选取代的烷基、任选取代的环烷基或任选取代的杂芳基。