AN EFFICIENT SYNTHESIS OF SUGAR PYRUVIC ACID ACETALS

Article abstract of DOI:10.1016/S0040-4039(00)99475-9

4,6-O-(Carboxyethylidine)-glycopyranosides (e.g 10) may be prepared by oxidation of the corresponding furan-2-ylethylidene derivatives (e.g 7) which in turn are readily produced by acetal exchange between the 4,6-hydroxy groups of glycopyranosides.