DOI: 10.1039/d6ob01448h ISSN: 1477-0520

Chemical synthesis of the pentasaccharide repeating unit of O -antigen of Escherichia coli O83:K24:H31

Yi Zhang, Banhao Kuang, Yingjie Wang, Jingyang Wei, Xinhao Zhu, Yugen Zhu

A chemical synthesis of the E. coli O83:K24 O -antigen pentasaccharide repeating unit features gold(

i
)-catalyzed direct coupling of a partially protected GlcNAc donor and glycosylation at the poorly reactive GlcNAc and galactosyl 4-OH groups.

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