TSAO analogs. Stereospecific synthesis and anti-HIV-1 activity of 1-[2',5'-bis-O-(tert-butyldimethylsilyl)-.beta.-D-ribofuranosyl]-3'-spiro-5''-(4''-amino-1'',2''-oxathiole-2'',2''-dioxide)pyrimidine and pyrimidine-modified nucleosides
作者:Maria Jesus Perez-Perez、Ana San-Felix、Jan Balzarini、Erik De Clercq、Maria Jose Camarasa
DOI:10.1021/jm00094a009
日期:1992.8
Several analogues of a new lead for anti-HIV-1 agents [1-[2',5'-bis-O-(tert-butyldimethylsilyl)-beta-D-ribofuranosyl]-thymine] -3'-spiro-5''-(4''-amino-1'',2''-oxathiole 2'',2''-dioxide) (TSAO) modified at positions N-3, O-4 and C-5 of the thymine moiety, have been prepared and evaluated as inhibitors of HIV-1 replication. A new stereoselective synthetic procedure is described. Reaction of 1,2-di-
抗HIV-1药物[1- [2',5'-双-O-(叔丁基二甲基甲硅烷基)-β-D-呋喃呋喃糖基]-胸腺嘧啶]的新铅的几种类似物-3'-spiro-5'在胸腺嘧啶部分的N-3,O-4和C-5位修饰的'-(4''-氨基-1'',2''-草硫醇2'',2''-二氧化物)(TSAO),已经制备并评估为HIV-1复制的抑制剂。描述了一种新的立体选择性合成方法。1,2-二-O-乙酰基-5-O-苯甲酰基-3-C-氰基-3-O-甲磺酰基-D-呋喃呋喃糖与嘧啶碱的反应,然后用Cs2CO3处理,得到立体选择性的β-D-呋喃呋喃糖基-3'-螺核苷。2′,5′-O-脱酰并随后用叔丁基二甲基甲硅烷基氯处理得到TSAO衍生物。仅那些在C-5'和C-2'均具有tBDMSi基团的类似物 核糖部分的位置显示出有效的抗HIV-1活性。活性范围为0.060μM至1.0μM。在胸腺嘧啶环的N-3处引入烷基或烯基官能团可显着降低细胞