HETEROCYCLYL ANTHRACYCLINONE DERIVATIVES
    4.
    发明授权
    HETEROCYCLYL ANTHRACYCLINONE DERIVATIVES 有权
    杂环ANTHRACYCLINONDERIVATE

    公开(公告)号:EP1062212B1

    公开(公告)日:2004-05-12

    申请号:EP99915564.1

    申请日:1999-03-04

    摘要: A compound of formula (1) wherein R1 is hydrogen, hydroxy, a group of formula OR5 wherein R5 is C1-C6 alkyl, C2-C6 alkenyl or C3-C8 cycloalkyl, halogen, amino which may be unsubstituted or mono or disubstituted by C1-C6 alkyl, C2-C6 alkenyl, aralkyl, acyl or trifluoroacetyl; R2 is hydrogen, hydroxy, a group NR6R7 wherein R6 and R7 independently represent hydrogen, an optionally substituted C1-C6 alkyl, C2-C6 alkenyl, C3-C8 cycloalkyl or, taken together with the nitrogen atom, represent an optionally substituted C3-C8 heterocyclic ring; R3 is hydrogen, hydroxy; R4 is a 2-substituted thiazolyl or imidazolyl system and the pharmaceutically acceptable salt thereof, is useful in the treatment of amyloidosis. Processes for the preparation and pharmaceutical compositions are also described.