申请人:Kyowa Hakko Kogyo Co., Ltd.
公开号:EP0887351A1
公开(公告)日:1998-12-30
DC107 derivatives represented by formula (I) or pharmaceutically acceptable salts thereof which have antimicrobial activity and antitumor activity are provided:
wherein R1 represents CO(CR4AR4B)n1(O(CH2)p1)n2OR5 wherein n1 represents an integer of 1 or 2; R4A and R4B are the same or different, and each represents hydrogen or lower alkyl; p1 and n2 each represents an integer of 1 to 10; and R5 represents hydrogen, lower alkyl, or the like), or
(wherein A1, A2, A3, and A4 are the same or different, and each represents hydrogen, hydroxy, or the like); R2 represents hydrogen or COR6 (wherein R6 represents lower alkyl, aralkyl, substituted or unsubstituted aryl, or the like); R3 represents lower alkyl, lower alkenyl, aralkyl having substituted or unsubstituted aryl, alicyclic alkanoyloxyalkyl, -CH2OCOR7, or the like, or is combined with Y to represent a bond; Y is combined together with R3 to represent a bond or is combined together with Z to represent a bond; Z represents hydrogen, or is combined together with Y to represent a bond; and W represents oxygen, or NR8.
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 CO(CR4AR4B)n1(O(CH2)p1)n2OR5 其中 n1 代表 1 或 2 的整数;R4A 和 R4B 相同或不同,且各自代表氢或低级烷基;p1 和 n2 各自代表 1 至 10 的整数;以及 R5 代表氢、低级烷基或类似物),或
(其中 A1、A2、A3 和 A4 相同或不同,且各自代表氢、羟基或类似物); R2 代表氢或 COR6(其中 R6 代表低级烷基、芳基、取代或未取代的芳基或类似物);R3 代表低级烷基、低级烯基、具有取代或未取代芳基的烷基、脂环烷氧基烷基、-CH2OCOR7 或类似物,或与 Y 结合代表键;Y 与 R3 结合代表键,或与 Z 结合代表键;Z 代表氢,或与 Y 结合代表键;W 代表氧或 NR8。