Nucleosides. 154. 2'-Azido-2',3'-dideoxypyrimidine nucleosides. Synthesis and antiviral activity against human immunodeficiency virus
作者:James A. Warshaw、Kyoichi A. Watanabe
DOI:10.1021/jm00168a020
日期:1990.6
four 2'-azido-2',3'-dideoxypyrimidine nucleosides were synthesized and their activity against human immunodeficiency virus was explored. 2,2'-Anhydro-5-O-benzoyluridine (6a) was prepared from 5-O-benzoyluridine (5a) and converted into 3'-deoxy analogue 8a by imidazolylthiocarbonylation followed by Bu3SnH reduction. Treatment of 8a with LiN3 in DMF followed by saponification afforded 2'-azido-2',3'-dideoxyuridine
合成了一系列四个2'-叠氮基2',3'-二脱氧嘧啶核苷,并探讨了它们对人免疫缺陷病毒的活性。由5-O-苯甲酰尿苷(5a)制备2,2'-脱水-5-O-苯甲酰尿苷(6a),并通过咪唑基硫代羰基化然后Bu 3 SnH还原将其转化为3'-脱氧类似物8a。在DMF中用LiN3处理8a,然后进行皂化,得到2'-叠氮基-2',3'-二脱氧尿苷(1a)。通过卤化和脱苯甲酰化将5′-O-苯甲酰化的核苷9a进一步转化为5-溴和5-碘类似物(1b和1c)。将2',3'-O-异亚丙基亚尿苷(3)分两步转化为胸腺嘧啶核苷,将其进行苯甲酰化和脱-O-异亚丙基化,得到5'-O-苯甲酰基-5-甲基尿苷(5d)。2'-Azido-2',3' -dideoxy-5-methyluridine(1d)是从5d合成的,合成方法类似于从5a合成1a的方法。这些新的核苷与AZT密切相关,但是在使用H9细胞的组织培养中未表现出任何显着的抗HIV活性。