TSAO analogues. Stereospecific synthesis and anti-HIV-1 activity of 1- [2',5'-bis-O-(tert-butyldimethylsilyl)-β-D-ribofuranosyl]-3'-spiro-5''-(4''- amino-1'',2''-oxathiole 2'',2''-dioxide) pyrimidine and pyrimidine-modified nucleosides

Article abstract of DOI:10.1021/jm00094a009

Several analogues of a new lead for anti-HIV-1 agents [1-[2',5'-bis-O- (tert-butyldimethylsilyl)-β-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,