申请人:Otsuka Pharmaceutical Co., Ltd.
公开号:US08269011B2
公开(公告)日:2012-09-18
The present invention provides a quinolone compound represented by General Formula (1)
or a salt thereof, wherein R1 represents a hydrogen atom, etc.; R2 represents a hydrogen atom, etc.; R3 represents a phenyl group optionally being substituted with one or more substituents, etc.; R4 represents a halogen atom; R5 represents a hydrogen atom or halogen atom; R6 represents a hydrogen atom; and R7 represents a hydroxyl group, etc. The quinolone compound have a functional improvement effect, which suppresses progression of neurological dysfunction by inhibiting the chronic progression of Parkinson's disease or protecting dopamine neurons from the disease etiology, thereby prolonging the period before first administration begins.
本发明提供一种喹诺酮化合物,其由通式(1)表示或其盐,其中R1代表氢原子等;R2代表氢原子等;R3代表苯基,可选地被一个或多个取代基取代等;R4代表卤原子;R5代表氢原子或卤原子;R6代表氢原子;R7代表羟基等。该喹诺酮化合物具有功能改善效果,通过抑制帕金森病的慢性进展或保护多巴胺神经元免受疾病病因的影响,从而延长首次给药前的期间,抑制神经功能障碍的进展。