LK6-A DERIVATIVES
    1.
    发明公开
    LK6-A DERIVATIVES 有权
    LK6-A-衍生物

    公开(公告)号:EP1097934A4

    公开(公告)日:2001-10-04

    申请号:EP99929753

    申请日:1999-07-08

    CPC分类号: C07D471/06

    摘要: LK6-A derivatives represented by general formula (I) and pharmacologically acceptable salts thereof, which exhibit immunosuppressive, cytostatic and antitumor effects and so on, wherein R1 is a lower alkanoyl or acryloyl group which may be substituted with, e.g., lower alkoxy, or the like; R2 is hydrogen, halogeno or the like; R2' is hydrogen, or R2' together with R3 forms a bond; R3 is optionally substituted lower alkanoyl, or R3 together with R2' forms a bond; R?4 and R5¿ are each hydrogen, optionally substituted lower alkanoyl or the like; R6 is hydrogen or the like; and R?7 and R8¿ are each hydrogen, optionally substituted lower alkanoyl or the like, with the proviso that LK6-A corresponding to a compound of general formula (I) where R1 is (E)-methoxyacryloyl; R?2, R4, R5, R6 and R7¿ are each hydrogen; R8 is acetyl; and R?2' and R3¿ together form a bond is excepted.