Stereselectivity control in anomeric O-alkylation. Application to the synthesis of C2 symmetric glycoconjugates

Article abstract of DOI:10.1016/S0040-4039(97)00830-7

Tetrbutylammonium salts strongly influence the stereoselectivity of O-anomeric alkylation and allows to shift from β to α selectivity. Allyl glucosaminide 7 prepared in this way, was used to synthesize die new type of C₂ symmetric neoglycoconju