Abstract
The first synthesis of azapyranosyl pseudo-disaccharide was described. Glycosidation of N-Boc-5- amino-5-deoxy- d-arabinose with N-acetyl-6-thio- d-glucosaminide in the presence of TsOH gave the corresponding 1,2- cis linked thioglycoside exclusively. The interglycosidic linkage was proved to be stable enough for the deprotection of N-Boc group by TFA.
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