Derivatives of camptothecin as represented by the general formula:
are described, wherein when R1 is H, R. is a C2-C4 alkyl group, a C6-C15 alkyl group, a C3-C8 cycloalkyl group, a C2-C15 alkenyl group or a C2-C15 epoxy group; and when R2 is a nitro group or an amino group, R1 is a C1-C15 alkyl group, a C1-C15 alkenyl group, a C3-C8 cycloalkyl group, or an epoxy group. Liposomal prodrugs including these specific derivatives of camptothecin restrained by a liposomal delivery system are also described. Processes for making these prodrugs and for using them in cancer treatment are also disclosed.
通用公式所代表的
紫杉醇衍
生物如下所述:
其中当R1为H时,R为C2-C4烷基、C6-C15烷基、C3-C8环烷基、C2-C15烯基或C2-C15环氧基;当R2为硝基或
氨基时,R1为C1-C15烷基、C1-C15烯基、C3-C8环烷基或环氧基。还描述了包括这些特定
紫杉醇衍
生物的脂质体前药,其受限于脂质体传递系统。还公开了制备这些前药以及在癌症治疗中使用它们的方法。