Design, Synthesis, and Biological Evaluation of Novel Nucleoside and Nucleotide Analogues as Agents against DNA Viruses and/or Retroviruses
作者:Gholam Hossein Hakimelahi、Tai Wei Ly、Ali A. Moosavi-Movahedi、Moti L. Jain、Maryam Zakerinia、Hady Davari、Hui-Ching Mei、Thota Sambaiah、Ali A. Moshfegh、Shahram Hakimelahi
DOI:10.1021/jm010216r
日期:2001.10.1
exhibited greater antiviral activity than acyclovir alone. 7-[2-(Phosphonomethoxy)ethyl]adenine (20) was also synthesized. The key step involved the reaction of 9-(2-cyanoethyl)adenine (15) with methyl iodoacetate in the presence of lithium 2,2,6,6-tetramethylpiperidine in THF. Unlike 9-[2-(phosphonomethoxy)ethyl]adenine (PMEA, 4), the N(7)-isomer 20 was not phosphorylated effectively by 5-phosphoribosyl
已开发出用于合成N(7)-嘌呤无环核苷9和14的新策略。关键步骤涉及[2-(对甲氧基苯氧基)乙氧基]氯甲烷与N(9)-三苯甲基化的核碱基6或6的反应。 11,随之而来的是自毁性。N(7)-鸟嘌呤无环核苷9表现出抗病毒活性,但被HSV和Vero细胞胸苷激酶磷酸化。因此,与阿昔洛韦相比,它显示出更强的细胞毒性(2)。N(7)-腺嘌呤无环核苷14被发现是一种出色的抗病毒剂,也是小牛粘膜腺苷脱氨酶的良好抑制剂。这种抑制特性使抗病毒剂(例如N(9)-腺嘌呤无环核苷1和ara-A(3))的抗病毒活性得到更大的表达。化合物14既不被单纯疱疹病毒(HSV)胸苷激酶磷酸化,也不被Vero细胞胸苷激酶磷酸化,但是它增强了HSV胸苷激酶对阿昔洛韦(2)单磷酸化的速率常数。因此,阿昔洛韦(2)和14的组合比单独使用阿昔洛韦具有更大的抗病毒活性。还合成了7- [2-(膦氧基甲氧基)乙基]腺嘌呤(20)。关键步骤涉及