申请人:KYOWA HAKKO KOGYO KABUSHIKI KAISHA
公开号:EP0272063A1
公开(公告)日:1988-06-22
Mitomycin derivatives having potent anti-tumour activity having the formula:
wherein A is selected from the following (i) to (v):-
wherein R1 is selected from unsubstituted or substituted alkyl (wherein the substituent is one or more members independently selected from lower alkoxycarbonyl, benzyloxy, benzyloxycarbonyl, carboxy, halogen, hydroxy, lower alkoxy, lower alkanoyloxy, trilower alkylsilyloxy, amino, lower alkylamino, dilower alkylamino and benzyloxycarbonylamino), unsubstituted or substituted cycloalkyl (wherein the substituent is one or more members independently selected from lower alkyl, lower alkoxycarbonyl, benzyloxycarbonyl, carboxy, halogen, hydroxy, lower alkoxy, lower alkanoyloxy, trilower alkylsilyloxy, amino, lower alkylamino, dilower alkylamino and benzyloxycarbonylamino), unsubstituted or substituted aralkyl (wherein the benzene nucleus is substituted by one or more members independently selected from lower alkoxy, halogen, lower alkyl, nitro, hydroxy, amino, cyano and carboxy), 2-benzyloxycarbonyl-1-phenylethyl and
(wherein R3 is selected from hydrogen, benzyl, lower alkyl, lower alkanoyl and benzyloxycarbonyl; and p is 0 or 1) and R2 represents hydrogen; or R1 and R2 each independently represents alkyl;
(ii) morpholino;
wherein R4 is selected from hydrogen, hydroxy, lower alkoxy, lower alkanoyloxy, lower alkylamino, dilower alkylamino, benzyloxycarbonylamino and benzyl; and q is 0 or 1;
wherein R5 represents hydrogen or hydroxy; Y represents hydroxy, lower alkoxy, benzyloxy, lower alkanoyloxymethoxy, amino, lower alkylamino, dilower alkylamino, benzylamino or
(wherein Re represents hydrogen or hydroxy); and
wherein R7 is selected from hydrogen, lower alkanoyl, trifluoroacetyl, benzoyl, benzyloxycarbonyl, lower alkoxycarbonyl, lower alkyl and benzyl; and R8 represents hydrogen or lower alkyl; . n is 0 or 1, provided that when n is 0, X represents oxygen or sulphur and when n is 1, X is oxygen; m is an integer of from 2 to 8; and Ra and Rb each independently represents hydrogen or methyl provided that Ra and Rb do not both represent hydrogen, and carboxylic acid salts thereof.
具有强效抗肿瘤活性的丝裂霉素衍生物,其式如下
其中 A 选自以下(i)至(v)项:-
其中 R1 选自未取代或取代的烷基(其中取代基是一个或多个成员,独立选自低 级烷氧基羰基、苄氧基、苄氧羰基、羧基、卤素、羟基、低级烷氧基、低级烷酰氧基、 三低级烷基硅氧基、氨基、低级烷基氨基、稀低级烷基氨基和苄氧羰基氨基)、未取代或取代 的环烷基(其中取代基是一个或多个成员,独立选自低级烷基、未取代或取代的芳烷基(其中苯核被一个或多个独立选自下烷氧基、卤素、下烷基、硝基、羟基、氨基、氰基和羧基的成员取代)、2-苄氧羰基-1-苯乙基和 2-苄氧羰基-1-苯乙基(其中 R3 独立选自下烷氧基、卤素、下烷基、硝基、羟基、氨基、氰基和羧基)。
(其中 R3 选自氢、苄基、低级烷基、低级烷酰基和苄氧羰基;p 为 0 或 1),R2 代表氢;或 R1 和 R2 各自独立地代表烷基;
(ii) 吗啉基;
其中 R4 选自氢、羟基、低级烷氧基、低级烷酰氧基、低级烷基氨基、稀释烷基 氨基、苄氧羰基氨基和苄基;且 q 为 0 或 1;
其中 R5 代表氢或羟基;Y 代表羟基、低级烷氧基、苄氧基、低级烷酰氧基甲氧基、氨基、低级烷基氨基、稀释烷基氨基、苄基氨基或苄基。
(其中 Re 代表氢或羟基);以及
其中 R7 选自氢、低级烷酰基、三氟乙酰基、苯甲酰基、苄氧羰基、低级烷氧羰基、低级烷基和苄基;R8 代表氢或低级烷基;.n 为 0 或 1,条件是当 n 为 0 时,X 代表氧或硫,而当 n 为 1 时,X 代表氧;m 为 2 至 8 的整数;Ra 和 Rb 各自独立地代表氢或甲基,条件是 Ra 和 Rb 不同时代表氢,以及它们的羧酸盐。