申请人:Tsutsumi Hideo
公开号:US20050222159A1
公开(公告)日:2005-10-06
A pyrazine derivative of the following formula (I):
wherein
R
1
is hydrogen or optionally substituted lower alkyl; X is hydrogen, halogen, hydroxy, cyano, acyl, or amino, aryl, heterocyclic group or the like; Y is hydrogen, halogen, hydroxy, acyl, amino, or the like; Z is aryl or heteroaryl, each of which is optionally substituted; or a salt thereof. The pyrazine compound (I) and a 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.
以下是公式(I)的吡嗪衍生物:
其中
R
1
为氢或可选择取代的较低烷基;X为氢、卤素、羟基、氰基、酰基、氨基、芳基、杂环基或类似基团;Y为氢、卤素、羟基、酰基、氨基或类似基团;Z为芳基或杂环芳基,每个都可选择取代;或其盐。本发明的吡嗪化合物(I)及其盐是腺苷拮抗剂,可用于预防和/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等)、帕金森病、焦虑症、疼痛、脑血管疾病(如中风等)、心力衰竭等。