The C-6 hydroxymethyl group of methyl d-galactopyranoside and oligosaccharides containing d-galactopyranosyl residues were found to be oxidized with oxygen by galactose oxidase to the corresponding carboxyl group via an aldehyde intermediate.
Preparation and characterization of β-d-fructofuranosyl O-(α-d-galactopyranosyl uronic acid)-(1→6)-O-α-d-glucopyranoside and O-(α-d-galactopyranosyl uronic acid)-(1→6)-d-glucose
作者:Frances M. Kelleher、Veerasingham P. Bhavanandan
DOI:10.1016/s0008-6215(00)90135-6
日期:1986.11
beta-D-Fructofuranosyl O-(alpha-D-galactopyranosyl uronic acid)-(1----6)-O-alpha-D-glucopyranoside (3) was prepared by treating raffinose with D-galactose oxidase, followed by hypoiodite oxidation of the resulting aldehyde. Mild acid hydrolysis of 3 gave O-(alpha-D-galactopyranosyl uronic acid)-(1----6)-D-glucose.