Carbohydrate Research p. 307 - 317 (1985)
Update date:2022-09-26
Topics:
Vuorinen, Tapani
Cellobiose, maltose, and 4-O-methyl-D-glucose were treated with 0.1-20mM 2-anthraquinonsulfonic acid in 0.1M sodium hydroxide at 40 deg C.The hydroxy carboxylic acids formed were separated by ion-exchange, and analyzed by g.l.c.-m.s. as their per(trimethylsilyl) derivatives.The acidic oxidation products of cellobiose were further fractionated into aldonic acids and carboxyaldoses by ion-exchange chromatography.The isolated carboxyaldoses were reduced with sodium borohydride, and then analyzed by g.l.c.-m.s. before and after hydrolysis.The O-D-glucosyl- and O-methyl-substituted products of the sugars consisted of erythronic, arabinonic, ribonic, gluconic, and mannonic acids, in addition to 2-C-carboxypentoses.The nonsubstituted products of the reducing D-glucose unit were formic, glycolic, 2-deoxytetronic, and 3-deoxypentonic acids, and 2-C-carboxy-3-deoxypentoses.
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(1986)
