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In this review, we have formulated productive methods for the synthesis of glycosyl donors with 2-thioacetyl (SAc) groups in get to synthesize 2-deoxysugars with absolute α/β-configuration. Setting up from no cost methyl glycosides, 4 methyl 2-SAc glycosides were being synthesized with significant efficiency primarily through the double serial inversion technique, and further turned into 4 corresponding 1-OAc, 2-SAc α-glycosyl donors (manno-, gluco-, galacto- and talo-types) and 4 corresponding 1-STol, 2-SAc 1,2- cis -glycosyl donors (manno-, gluco-, galacto- and talo-styles). Glycosylation of the 1-OAc, 2-SAc donors and additional 2-deoxysugar synthesis have also been investigated in this research.
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