POTASSIUM CHANNEL INHIBITORS
    2.
    发明公开
    POTASSIUM CHANNEL INHIBITORS 失效
    钾通道阻断剂

    公开(公告)号:EP0923543A1

    公开(公告)日:1999-06-23

    申请号:EP97934996.0

    申请日:1997-07-23

    IPC分类号: A61P9 A61K31 A61P43 C07C311 C07C335

    CPC分类号: C07C311/20 C07C2602/08

    摘要: Compounds of general formula (I) wherein R1 is H, alkyl or is selected from the group consisting of an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted heterocyclyl and an optionally substituted carbocycloalkyl; R2 is selected from the group consisting of alkyl, an optionally substituted aryl, an optionally substituted heteroaryl, an optionally substituted heterocyclyl and an optionally substituted carbocycloalkyl; R3 is hydrogen or methyl; R4 is hydrogen or methyl; X1 is C=O, C=S, or SO¿2; X?2 is C=O or SO¿2; Y?1 is O, (CH¿2?)p, CH2O, HC=CH or NH; wherein p is 0, 1 or 2; Y?2¿ is O, (CH¿2?)q, HC=CH or NH; wherein q is 0 or 1; Z is H, OR?5 or NR6R7¿; wherein R5 is H, (CH¿2)m-R?8; or C(O)-(CH¿2)m-R?8; m = 1 to 5; R?8 is N(R9)¿2, N(R9)3L or CO2R9; wherein each R9 is independently selected from H or alkyl; and L is a counter ion; R6 is H or alkyl; R7 is H, alkyl or CO¿2R?10; wherein R10 is alkyl; or pharmaceutically acceptable salts or prodrugs thereof are useful as potassium channel inhibitors and useful for the treatment of cardiac arrhythmias and cell proliferative disorders.