1,4-di-substituted piperidines and medicaments useful as muscarinic antagonists

    公开(公告)号:NZ333513A

    公开(公告)日:2000-04-28

    申请号:NZ33351397

    申请日:1997-07-08

    Applicant: SCHERING CORP

    Abstract: A 1,4-di-substituted piperidine muscarinic antagonist of formula (I) or a pharmaceutically acceptable salt, ester, or solvate thereof is claimed wherein: X is a bond, -O-, -S-, -SO-, -SO2-, -CO-, -C(OR7)2-, -CH2-O-, -O-CH2-, -CH=CH-, -CH2-, -CH- alkyl-, -C-(alkyl)2-, -CONR17-, -NR17CO-, -SO2NR17- or -NR17SO2-; R is cycloalkyl or a group of formula (a), (b), (c), (d) or (e) or an optionally substituted phenyl or pyridyl; R1 is H, -CN, -CF3, alkyl, cycloalkyl, cycloalkenyl, alkenyl, -COR15, -CO2-(alkyl), -CO2-aryl, -CO2-heteroaryl, -CO2-(alkyl)aryl or -CO2-alkylheteroaryl, alkylaryl, alkylheteroaryl or -CON(R13)2; R2 is cycloalkyl, cycloalkenyl, t-butoxycarbonyl or optionally substituted 4-piperidinyl; R3 and R4 are independently H, halo, -CF3, alkyl, alkoxy or -OH; R5 and R6 are independently H, alkyl, -CF3, alkoxy, -OH, alkylcarbonyl, alkoxycarbonyl, R13CONH-, R14OCONH-, R13NHCONH- or NH2CONR13-; R7 is H or alkyl, or the two R7 groups may form -(CH2)2-4; R13, R15 and R17 are as defined in the specification. A pharmaceutical composition containing a compound of formula I useful for treating cognitive disorders such as Alzheimer's disease is claimed.

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