Mitomycin derivatives having the formula
wherein X is acyl, lower alkyl, alkoxycarbonyl aryloxycarbonyl or aralkoxycarbonyl;
Y is hydrogen or methyl;
Z is hydrogen, methyl, acyl or aryloxycarbonyl;
one of R₁ and R₂ represents carbamoyloxymethyl and the other represents hydrogen, or R₁ and R₂ together represent methylene, show antibacterial and antitumour activities.
具有以下式子的丝
裂霉素衍
生物
其中 X 是酰基、低级烷基、烷氧羰基芳氧羰基或芳氧羰基;
Y 是氢或甲基
Z 是氢、甲基、酰基或芳氧羰基;
R₁ 和 R₂ 中的一个代表
氨基甲酰氧甲基,另一个代表氢,或 R₁ 和 R₂ 共同代表亚甲基,具有抗菌和抗肿瘤活性。