Synthesis of a New Type of Glycosidic Linkage: Acetal‐Linked Disaccharides and Trisaccharides of Acyclic and Cyclic Sugars

Abstract

New types of di-and trisaccharides related to a unique trisaccharide present in the cell walls of Proteus have been synthesized by coupling of acyclic sugar dithioacetals and di-and monohydroxy cyclic sugars. In this class of compounds an acyclic sugar is linked to a cyclic sugar through an acetal linkage. The formation of these acetal-linked pseudodi-and -trisaccharides has been achieved by a generalized reaction