SUGAR CHEMISTRY WITHOUT PROTECTING GROUPS-III. A FACILE CHEMICAL SYNTHESIS OF 6-O-ACYL-D-GLYCOPYRANOSES AND METHYL-6-O-ACYL-D-GLYCOPYRANOSIDES.

Article abstract of DOI:10.1016/S0040-4020(01)80906-6

Regioselective acylation of non protected glycopyranosides was performed using 3-acylthiazolidine-2-thiones 1 and the novel 3-acyl-5-methyl-1,3,4-thiadiazole-2(3H)-thiones 2 as the acylating reagents, yielding 6-O-acylated derivatives in high yields.Acyla