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.
以下是化学式为(I)的吡唑吡嗪化合物,其中R1为氢或适当的取代基;R2为氢或卤素,或其盐。本发明的吡唑吡嗪化合物(I)及其盐是腺苷受体拮抗剂,用于预防和/或治疗抑郁症、痴呆症(如阿尔茨海默病、脑血管性痴呆、帕金森病伴随的痴呆症等)、帕金森病、焦虑症、疼痛、脑血管疾病(如中风等)、心力衰竭等。