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Alternative syntheses of methylated sugars. XI. 2,4-Di-O-methyl- and 3,4-di-O-methyl-D-xylopyranose

P. Kováč and J. Hirsch

Institut of Chemistry, Slovak Academy of Sciences, 809 33 Bratislava

 

Abstract: 2-0-Benzyl- and 3-0-benzyl-D-xylose, intermediates bearing nonmigratory substituents important in carbohydrate syntheses, have been prepared. Treatment of these with methanolic hydrogen chloride gave crystalline methyl glycopyranosides, which, upon methylation and removal of the blocking groups, yielded 2,4-di-O-methyl- and 3,4-di-O-methyl-D-xylopyranose.

Full paper in Portable Document Format: 275a668.pdf

 

Chemical Papers 27 (5) 668–675 (1973)

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