C. Bliard et al., GLYCOSYLATION OF ACIDS UNDER PHASE-TRANSFER CONDITIONS - PARTIAL SYNTHESIS OF SAPONINS, Tetrahedron letters, 35(33), 1994, pp. 6107-6108
beta-D-glycosyl esters are prepared in high yields by reaction of vari
ous carboxylic acids and acetobromosugars. The reaction uses potassium
carbonate under phase transfer conditions. Deacetylation affords the
beta-D-glycosyl carboxylates.