Abstract

We present the application of N-difluoroacetylglucosamine (GlcNDFA) in a chemical evolution strategy to synthesize oligosaccharides. In comparison to conventional N-trifluoroacetylglucosamine, GlcNDFA exhibits superior substrate compatibility with glycosyltransferases as well as stability in aqueous environments. Using our 16-step assembly line, GlcNDFA can be used to produce homogeneous dekaparin, a heparin-like medication, with a yield of 62.2%. This underscores the significant potential of GlcNDFA as a chemical evolution precursor in the precise synthesis of structurally defined polysaccharides.

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