Propane-1,3-diyl dithioacetals of carbohydrates; part 7: Preparation of aminocyclitols and iminosugars by intramolecular cyclizations of D-glucosamine propane-1,3-diyl dithioacetal derivatives

Article abstract of DOI:10.1055/s-2006-942430

Versatile 3,4,5-tri-O-protected 2-acylamino-2-deoxy-6-O-tosyl-D-glucose propane-1,3-diyl dithioacetal intermediates were efficiently synthesized from D-glucosamine propane-1,3-diyl dithioacetal or its derivatives. Intramolecular cyclizations from these in