Pyrazolopyrazine compound pharmaceutical use thereof
申请人:——
公开号:US20040152706A1
公开(公告)日:2004-08-05
A pyrazolopyrazine compound of the following formula (I).
1
wherein
R
1
is hydrogen or a suitable substituent; and
R
2
is hydrogen or halogen,
or a salt thereof.
The pyrazolopyrazine compound (I) and salt thereof of the present invention are adenosine antagonists and are useful for the prevention and/or treatment of depression, dementia (e.g. Alzheimer's disease, cerebrovascular dementia, dementia accompanying Parkinson's disease, etc.), Parkinson's disease, anxiety, pain, cerebrovascular disease (e.g. stroke, etc.), heart failure and the like.
Pyrazolopyrazine compound and pharmaceutical use thereof
申请人:Astellas Pharma Inc.
公开号:US07030121B2
公开(公告)日:2006-04-18
A pyrazolopyrazine compound of the following formula (I).
wherein
R1 is hydrogen or a suitable substituent; and
R2 is hydrogen or halogen,
or a salt thereof.
The pyrazolopyrazine compound (I) and salt thereof of the present invention are adenosine antagonists and are useful for the prevention and/or treatment of depression, dementia (e.g. Alzheimer's disease, cerebrovascular dementia, dementia accompanying Parkinson's disease, etc.), Parkinson's disease, anxiety, pain, cerebrovascular disease (e.g. stroke, etc.), heart failure and the like.