[EN] PYRAZOLOPYRIDINE COMPOUND AND PHARMACEUTICAL USE THEREOF<br/>[FR] COMPOSE DE PYRAZOLOPYRIDINE ET SON UTILISATION PHARMACEUTIQUE
申请人:FUJISAWA PHARMACEUTICAL CO
公开号:WO2002018382A1
公开(公告)日:2002-03-07
A pyrazolopyridine compound of formula (I) wherein: R1 is hydro gen, lower alkyl optionally substituted by susbtituent(s), or cyclo(lower)alkyl which may be interrupted by an oxygen or nitrogen atom and optionally substituted by substituent(s); R2 is hydrogen, halogen or lower alkoxy; R3 is a substituent; and n is an integer from 1 to 4, provided R3 may be different from each other when n is 2, 3 or 4, or a salt thereof. The pyrazolopyridine compound (I) and salt thereof of the present invention are adnosine 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.