An extremely mild and stereocontrolled construction of 1,2-cis-α-glycosidic linkages via benzyl-protected glycopyranosyl diethyl phosphites
Abstract
A highly stereocontrolled 1,2-cis-α-glycosidation reaction under conditions mild enough for acid-labile alcohols has been developed using benzyl-protected glycopyranosyl diethyl phosphites as glycosyl donors in the presence of 2,6-di-tert-butylpyridinium iodide and tetrabutylammonium iodide.