stable. Most prodrugs containing a dipeptidyl linker efficiently converted into the BCNA parent drug. In contrast, the Val‐Pro alkyldiamino prodrugs converted predominantly into their alkyldiamino prodrug intermediates in the presence of CD26 and human serum. A marked increase in water solubility was observed for all prodrugs. In contrast to the parent compound, a tetrapeptide prodrug containing the Val‐Val
合成了一种新型的双环抗病毒双环核苷类似物(
BCNA)双前药,该双环前药在Val-Pro二肽序列与母体化合物之间带有环化自切割间隔子,并通过
DPPIV / CD26酶进行了活化评估以及它们在人和牛血清中的稳定性。在缓冲溶液中,发现
氨基甲酸酯和酯前药是
化学稳定的。大多数含有二肽基接头的前药可有效地转化为
BCNA母体药物。相反,Val-Pro烷基二
氨基前药在存在CD26和人血清的情况下主要转化为烷基二
氨基前药中间体。观察到所有前药的
水溶性均显着增加。与母体化合物相比,