The Oxidation of Glycosides. XI. Oxidation of Methyl beta-D-xylopyranoside and Methyl beta-D-ribopyranoside.

Abstract
Methyl [beta]-D-xylopyranoside was oxidised with chromium trioxide in acetone and the resulting oxo-xylosides fractionated. The 2-oxo-, 3-oxo- and 4-oxo-methylxylosides were isolated as amorphous materials. Platinum catalysed oxidation of methyl [beta]-D-ribopyranoside gave methyl [beta]-D-3-oxo-xylopyranoside (methyl [beta]-D-3-oxo-ribopyrano-side) as the principal oxidation product.

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