Formation of aureolic acid oligodeoxy mono-, di-, and trisaccharides employing the dibromomethyl methyl ether reaction

2,3-Isopropylidene D-rhamnopyranoside 2 obtained from mannose was treated with dibromomethyl methyl ether to give 2,6-dideoxy-2-bromo-glucopyranosyl bromide 5. Correspondingly, the D-talo precursor...