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    Inhibitors of P2X3
    21.
    发明授权
    Inhibitors of P2X3 有权

    公开(公告)号：US07491821B2

    公开(公告)日：2009-02-17

    申请号：US11502797

    申请日：2006-08-11

    申请人： Christine E. Brotherton-Pleiss ,  Michael Patrick Dillon ,  Shelley K. Gleason ,  Clara Jeou Jen Lin ,  Ryan Craig Schoenfeld ,  Marzia Villa ,  Yansheng Zhai

    发明人： Christine E. Brotherton-Pleiss ,  Michael Patrick Dillon ,  Shelley K. Gleason ,  Clara Jeou Jen Lin ,  Ryan Craig Schoenfeld ,  Marzia Villa ,  Yansheng Zhai

    IPC分类号： C07D403/12 ,  C07D413/12 ,  C07D417/12 ,  C07D295/194

    CPC分类号： C07D213/81 ,  C07D231/56 ,  C07D239/42 ,  C07D401/12 ,  C07D403/12 ,  C07D405/12 ,  C07D409/14 ,  C07D413/12 ,  C07D417/12 ,  C07D471/04 ,  C07D487/04 ,  C07D495/04

    摘要： Compounds of formula 1 are modulators of P2X3 useful for the treatment of pain and genitourinary, gastrointestinal, and respiratory disorders: wherein R1 is —C(═S)CH3, pyridyl, pyrimidinyl, pyrazinyl, thiazolyl, furyl, furylcarbonyl, acetyl, or carbamoyl; R2a and R2b are independently H, methyl, or ethyl; R3 is H or methyl; Y is a bond, —(CR4R5)n— or —CR4═CR5—; wherein R4 and R5 are each independently H or methyl and n is 1 or 2; X is N or CH; A is phenyl, 5-membered heterocyclyl, or 6-membered heterocyclyl; R6, R7 and R8 are each independently H, halo, lower alkyl, cycloalkyl, alkylthio, alkylthio-lower alkyl, alkylsulfonyl-lower alkyl, di(lower alkyl)amino-lower alkyl, morpholinyl-lower alkyl, 4-methyl-piperazinyl-methyl, trifluoromethyl, pyridyl, tetrazolyl, thiophenyl, phenyl, biphenyl, or benzyl (where thiophenyl, phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoromethyl, lower alkoxy or lower alkylthio) or R6 and R7 together form a 5-membered or 6-membered carbocyclic or heterocyclic ring substituted with 0-3 substituents selected from the group consisting of lower alkyl, lower alkoxy, oxo, halo, thiophenyl-lower alkyl, phenyl, benzyl (where phenyl and benzyl are substituted with 0-3 lower alkyl, halo, sulfonamido, trifluoro-methyl, lower alkoxy, lower alkylthio, amino-lower alkyl, lower alkylamino-lower alkyl, or di(lower alkyl)amino-lower alkyl); and pharmaceutically acceptable salts thereof; wherein when R1 is pyrimidin-2-yl, X is N, Y is a bond and A is oxazol-5-yl the carbon atom at position 4 in said oxazol-5-yl is not substituted by propyl when the carbon atom at position 2 in said oxazol-5-yl is substituted by substituted phenyl and the carbon atom at position 4 in said oxazol-5-yl is not substituted by phenyl when the carbon atom at position 2 is substituted by unsubstituted or substituted phenyl.