申请人:KYOWA HAKKO KOGYO CO., Ltd.
公开号:EP0918058A1
公开(公告)日:1999-05-26
DC107 derivatives represented by formula (I) or pharmaceutically acceptable salts thereof which have antimicrobial activity and antitumor activity are provided:
wherein R1 represents hydrogen, lower alkoxyalkyl, aralkyloxyalkyl, lower alkoxyalkoxyalkyl, lower alkoxyalkoxyalkoxyalkyl, aralkyl, tetrahydropyranyl, COR4, or the like; R2 represents hydrogen or COR6; R3 represents -CH2OCOR7, phthalimidomethyl, or the like; and W represents oxygen or NR8 (wherein R8 represents hydroxy, lower alkoxy, lower alkenyloxy, aralkyloxy, substituted or unsubstituted arylsulfonylamino, or lower alkoxycarbonylamino).
提供了具有抗菌活性和抗肿瘤活性的式 (I) 所代表的 DC107 衍生物或其药学上可接受的盐:
其中 R1 代表氢、低级烷氧基烷基、芳氧基烷基、低级烷氧基烷氧基烷基、低级烷氧基烷氧基烷基、芳基、四氢吡喃基、COR4 或类似物;R2 代表氢或 COR6;R3 代表-CH2OCOR7、邻苯二甲酰亚胺基甲基或类似物;W 代表氧或 NR8(其中 R8 代表羟基、低级烷氧基、低级烯氧基、芳基氧基、取代或未取代的芳基磺酰基氨基或低级烷氧基羰基氨基)。