Sg. Sun et Ja. Piccirilli, SYNTHESIS OF 3'-THIORIBOURIDINE, 3'-THIORIBOCYTIDINE, AND THEIR PHOSPHORAMIDITES, Nucleosides & nucleotides, 16(7-9), 1997, pp. 1543-1545
3'-Thio-3'-deoxyribonucleosides (U and C) have been synthesized via Vo
rbruggen-type glycosylation with 3-S-benzoyl-5-O-toluoyl-1,2-O-diacety
lfuranose, which was obtained from 3-O-trifluoromethanesulfonyl-alpha-
D-xylofuranose. 3'-Thio-3'-deoxyuridine has been converted to its phos
phoramidite.