[EN] SUBSTITUTED 1,2,3-TRIAZOLO[1,5-a]QUINAZOLINES FOR ENHANCING COGNITION<br/>[FR] 1,2,3-TRIAZOLO[1,5-a]QUINAZOLINES SUBSTITUE NOOTROPE
                        
                            
                                申请人:MERCK SHARP & DOHME
                            
                            
                                公开号:WO2001044250A1
                            
                            
                                公开(公告)日:2001-06-21
                            
                            The present invention provides a compound of formula (I) in which R1 is generally hydrogen or CF¿3, R?2 is generally hydrogen, W is a cyclic amine, a heterocycle or a group L-Y-X where L-Y is a linking portion and X is generally an aromatic or non-aromatic heterocycle, alkyl or alkylcarbonyl and Z is generally a heterocycle such as 5-methylisoxazol-3-yl, and pharmaceutically acceptable salts thereof for enhancing cognition in conditions such as Alzheimer's Disease, pharmaceutical compositions comprising them, their use for manufacturing medicaments and methods of treatment using them.