Chemical synthesis of UDP-Glc-2,3-diNAcA, a key intermediate in cell surface polysaccharide biosynthesis in the human respiratory pathogens B. pertussis and P. aeruginosa
作者:Martin Rejzek、Velupillai Sri Kannathasan、Corin Wing、Andrew Preston、Erin L. Westman、Joseph S. Lam、James H. Naismith、Duncan J. Maskell、Robert A. Field
DOI:10.1039/b819607a
日期:——
In connection with studies on lipopolysaccharide biosynthesis in respiratory pathogens we had a need to access potential biosynthetic intermediate sugar nucleotides. Herein we report the chemicalsynthesis of uridine 5′-diphospho 2,3-diacetamido-2,3-dideoxy-α-D-glucuronic acid (UDP-Glc-2,3-diNAcA) (1) from N-acetyl-D-glucosamine in 17 steps and ∼9% overall yield. This compound has proved invaluable