Abstract
Starting from 2'-azido-2'-deoxyadenosine (1), sugar-acetylated 6-chloro compound (5) was synthesized by successive deamination, acetylation and chlorination. Using the compound 5 as intermediate 6-monomethylamino-, dimethylamino-, mercapto- and methylthio 2'-azido nucleosides (6, 8, 11 and 12) were obtained. Palladium-catalyzed hydrogenation of compound 6 and 8 afforded 2'-amino nucleosides (7 and 9) respectively.
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