3'-Spiro nucleosides, a new class of specific human immunodeficiency virus type 1 inhibitors: synthesis and antiviral activity of [2', 5'-bis-O-(tert-butyldimethylsilyl)-.beta.-D-xylo- and -ribofuranose]-3'-spiro-5''-[4''-amino-1'', 2''-oxathiole 2'', 2''-dioxide] (TSAO) pyrimidine nucleosides
作者:Maria Jose Camarasa、Maria Jesus Perez-Perez、Ana San-Felix、Jan Balzarini、Erik De Clercq
DOI:10.1021/jm00093a002
日期:1992.7
A series of 3'-spiro nucleosides have been synthesized and evaluated as anti-HIV-1 agents. Reaction of O-mesylcyanohydrins of furanos-3'-ulosyl nucleosides with base afforded [1-[2',5'-bis-O- (tert-butyldimethylsilyl)-beta-D-xylo- and -ribofuranosyl]]-3'-spiro-5"- [4"-amino-1",2"-oxathiole 2",2"-dioxide] derivatives of thymine, uracil and 4-N-acetylcytosine 11 and 12. Desilylation of 11 and 12 gave
已经合成了一系列的3'-螺核苷,并被评估为抗HIV-1药物。呋喃糖-3'-核糖基核苷酸的O-甲磺酰基氰醇与碱反应,得到[1- [2',5'-双-O-(叔丁基二甲基甲硅烷基)-β-D-二甲苯基和-呋喃呋喃糖基]]-3'胸腺嘧啶,尿嘧啶和4-N-乙酰胞嘧啶11和12的-spiro-5“-[4”-氨基-1“,2”-草硫醇2“,2”-二氧化物]衍生物11和12的甲硅烷基化可得到全部去保护的3'-螺木糖核糖核苷酸和核呋喃糖基核苷13和14或部分5'-O-去保护的3'-螺β-D-木糖和核糖核苷15和16,或2'-O-去保护的- 3′-螺β-D-核糖核苷17。17的2′-脱氧得到2′-脱氧-3′-螺β-D-赤型-五呋喃糖基衍生物18。这3′。评价了螺-螺衍生物的抗HIV-1活性。具有木糖构型的所有3'-螺核苷均未显示出任何抗HIV-1活性。在C-2'或C-5'处没有或仅有一个甲硅烷基或2'-脱氧衍生物的