A. F. Bochkov, Valeria M. Kalinevitch
1974
Citations
0
Influential Citations
7
Citations
Journal
Carbohydrate Research
Abstract
Abstract 3,6-Anhydro-α- D -galactopyranose 1,2-(methyl orthoacetate) and its 4-acetate were synthesized from 2,3,4-tri- O -acetyl-6- O -tosyl-α- D -galactopyranosyl bromide. Condensation of the above-mentioned, acetylated ortho ester with 1,2:3,4-di- O -isopropylidene-α- D -galactopyranose gave 6- O -(2,4-di- O -acetyl-3,6-anhydro-β- D -galactopyranosyl)-1,2:3,4-di- O -isopropylidene-α- D -galactopyranose. The same disaccharide derivative was synthesised from 6- O -β- D -galactopyranosyl-1,2:3,4-di- O -isopropylidene-α- D -galactopyranose by mono- O -tosylation followed by treatment with alkali and acetylation.