Potential prodrug derivatives of 2',3'-didehydro-2',3'-dideoxynucleosides. Preparations and antiviral activities
作者:Khairuzzaman B. Mullah、T. Sudhakar Rao、Jan Balzarini、Erik De Clercq、Wesley G. Bentrude
DOI:10.1021/jm00093a003
日期:1992.7
prodrug forms of the antivirals 2',3'-didehydro-2',3'-dideoxyadenosine (D4A) and 2',3'-didehydro-2',3'-dideoxycytosine (D4C) are reported. The 5'-phenyl- and 5'-methylphosphonates (4, 6, 8, and 10) and their phosphonothionate congeners (5, 7, 9, and 11), with the exception of 10, were inactive in vitro against HIV-1 and HIV-2. However, the 5'-phenyl, 5'-methyl, and 5'-(3'-thymidyl) phosphate diesters
一系列(4-17)潜在的前药形式的抗病毒药2',3'-didehydro-2',3'-dideoxyadenosine(D4A)和2',3'-didehydro-2'的制备和抗病毒活性,报告了3'-脱氧胞嘧啶(D4C)。5'-苯基和5'-甲基膦酸酯(4、6、8和10)及其膦硫代酸酯同源物(5、7、9和11)(除10外)在体外对HIV-1没有活性和HIV-2。然而,磷酸5'-苯基,5'-甲基和5'-(3'-胸苷基)磷酸二酯(12-17)抑制了HIV-1和HIV-2的细胞病变作用(EC50约为1-60 microM)和细胞毒性(CC50约为35-200 microM),其浓度水平与其母体化合物D4A和D4C相当。这强烈表明二酯被水解成核苷D4A和D4C和/或它们的5'-单磷酸酯。在含有10%胎牛血清的培养基中证明了12和13容易水解为这些产物。这些分子可以用作游离核苷及其5'-单磷酸酯的现成前