Abstract
The efficient and elegant synthesis of N-glycosides by N-glycosylation of asparagine-containing peptides is described. Glycosylation of primary amides with glycosyl N-phenyltrifluoroimidates in the presence of a catalytic amount of TMSOTf in nitromethane smoothly proceeded to provide the corresponding N-glycosyl amino acids in excellent yields. This coupling method was adaptable to the coupling of various glycosyl donors with amino acids and peptides.
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