申请人:Societe de Conseils de Recherches et d'Applications Scientifiques
公开号:US05981542A1
公开(公告)日:1999-11-09
A camptothecin analog characterized in that the hydroxy lactone of the camptothecin is a .beta.-hydroxy lactone or the corresponding .beta.-hydroxyacid, resulting from the opening of said lactone, or a derivative of said .beta.-hydroxyacid, or a Pharmaceutically acceptable salt thereof, is disclosed. In particular, compounds of formulae (I) and (II) are disclosed. Methods for preparing the compounds of formulae (I) and (II), pharmaceutical compositions containing said containing said compounds, and their use, particularly as topoisomerase inhibitors and antitumoral drugs, are also disclosed.
本发明揭示了一种伯氧化内酯的卡莫司亭类似物,其特征在于卡莫司亭的羟基内酯是β-羟基内酯或由该内酯开环得到的相应的β-羟基酸,或者是该β-羟基酸的衍生物或其药学上可接受的盐。特别地,本发明揭示了式(I)和式(II)化合物。本发明还揭示了制备式(I)和式(II)化合物的方法、含有这些化合物的制药组合物以及它们的用途,特别是作为拓扑异构酶抑制剂和抗肿瘤药物。