Anomeric deoxy and unsaturated methyl pentofuranosides and pentopyranosides

Abstract
Both the anomers for methyl 2,3-dideoxy-D-glycero-pent-2-enofuranoside were characterized and hydrogenated to the corresponding methyl 2,3-dideoxy-D-glycero-pentofuranosides. The similar compounds were prepared in the pyranoside ring form but in the L-glycero configuration. The anomeric forms for methyl 3-deoxy-L-erythro-pentopyranoside are reported together with a number of their derivatives of interest for the study of solvation effects on conformational equilibria (21). The molar rotations of the deoxy and unsaturated glycosides are discussed as are the conformational properties of the various compounds.

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