申请人:SCHERING CORP
公开号:WO2000000488A1
公开(公告)日:2000-01-06
Heterocyclic derivatives of di-N-substituted piperazine or 1,4 di-substituted piperidine compounds in accordance with formula (I) (including all isomers, salts and solvates), wherein one of Y and Z is -N- and the other is -N- or -CH-; X is -O-, -S-, -SO-, -SO2- or -CH2-; Q is (1), (2), (3); R is alkyl, cycloalkyl, optionally substituted aryl or heteroaryl; R?1, R2 and R3¿ are H or alkyl; R4 is alkyl, cyclolalkyl or (4); R5 is H, alkyl, -C(O)alkyl, arylcarbonyl, -SO¿2?alkyl, aryl-sulfonyl-C(O)Oalkyl, aryloxycarbonyl, -C(O)NH-alkyl or aryl-aminocarbonyl, wherein the aryl portion is optionally substituted; R?6¿ is H or alkyl; and R7 is H, alkyl, hydroxyalkyl or alkoxyalkyl; are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of treatment are also disclosed.