THE STEPWISE SYNTHESIS OF OLIGO(GLYCOSYL PHOSPHATES) VIA GLYCOSYL HYDROGENPHOSPHONATES - THE CHEMICAL SYNTHESIS OF OLIGOMERIC FRAGMENTS FROM HANSENULA-CAPSULATA Y-1842 EXOPHOSPHOMANNAN AND FROM ESCHERICHIA-COLI K51 CAPSULAR ANTIGEN
Av. Nikolaev et al., THE STEPWISE SYNTHESIS OF OLIGO(GLYCOSYL PHOSPHATES) VIA GLYCOSYL HYDROGENPHOSPHONATES - THE CHEMICAL SYNTHESIS OF OLIGOMERIC FRAGMENTS FROM HANSENULA-CAPSULATA Y-1842 EXOPHOSPHOMANNAN AND FROM ESCHERICHIA-COLI K51 CAPSULAR ANTIGEN, Carbohydrate research, 242, 1993, pp. 91-107
A stepwise approach has been used in the syntheses of pentamannosyl te
traphosphate HO-[-6Man(alpha)-PO4-]4-6Man(alpha)-OMe and tetra(N-acety
lglucosaminyl) triphosphate HO-[-3GlcNAc(alpha)-PO4]3-3GlcNAc(beta)-OC
6H4NO2, which are fragments of the yeast and bacteria extracellular ph
ospho-glycans. Elongation of the chain was performed with the use of s
uitably protected glycosyl hydrogen-phosphonate derivatives for succes
sive introduction of glycosyl phosphate residues. Partially protected
monosaccharide derivatives and oligomeric blocks served as hydroxylic
components.