Prodrugs of analogs of the anti-tumor antibiotic CC-1065 having a cleavable protective group containing a sulfonic acid containing phenyl carbamate, in which the protecting group confers enhanced water solubility upon the prodrug, and in which the prodrug also has a moiety, such as a sulfide or a disulfide, that can conjugate to a cell binding reagent such as an antibody. The therapeutic use of such prodrug conjugates is also described; such prodrugs of cytotoxic agents have therapeutic use because they can deliver cytotoxic prodrugs to a specific cell population for enzymatic conversion to cytoxic drugs in a targeted fashion.
抗肿瘤抗生素CC-1065的类似物的前药具有可切割的保护基,其中保护基包含含有
磺酸基的
苯基氨基甲酸酯,保护基赋予前药增强的
水溶性,并且前药还具有一种基团,例如
硫化物或二
硫化物,可以与细胞结合试剂(例如
抗体)结合。还描述了这种前药偶联物的治疗用途;这种细胞毒素前药的前药具有治疗用途,因为它们可以以靶向的方式将细胞毒素前药传递到特定的细胞群体,以进行酶促转化为细胞毒素药物。