Pyrazolopyride derivative and phosphodiesterase ( pde) inhibitors containing the same as active ingredient
申请人:Kohno Yasushi
公开号:US20090318385A1
公开(公告)日:2009-12-24
A novel pyrazolopyridine derivative is provided which is useful as a pharmaceutical drug having phosphodiesterase inhibitory activity.
The pyrazolopyridine derivative is represented by the following general formula (1):
[wherein R
1
is a hydrogen atom, an optionally substituted alkyl group having 1 to 6 carbon atoms, or the like, R
2
is an optionally substituted alkyl group having 1 to 6 carbon atoms or the like, R
5
and R
6
are independently a hydrogen atom or a halogen atom, R
13
is a hydrogen atom or a halogen atom, n is 0 or 1,
is a single or double bond, R
3
is a hydrogen atom, a hydroxyl group, or the like, and R
4
is a hydrogen atom, a phenyl group, or the like] or a pharmaceutically acceptable salt thereof, and a hydrate thereof.
提供了一种新的吡唑吡啶衍生物,其可用作具有磷酸二酯酶抑制活性的药物。该吡唑吡啶衍生物由以下通式(1)表示:[其中,R1是氢原子、1至6个碳原子的可选取代烷基或类似物,R2是1至6个碳原子的可选取代烷基或类似物,R5和R6独立地是氢原子或卤素原子,R13是氢原子或卤素原子,n为0或1,为单键或双键,R3是氢原子、羟基或类似物,R4是氢原子、苯基或类似物]或其药学上可接受的盐和水合物。