Regioselective and stereoselective benzoylation of 2-N-protected 4,6-O-ketal derivatives of D-glucosamines with 1-(benzoyloxy)benzotriazole

摘要

A highly regioelective and stereoselective benzoylation of the 2-N-protected 4,6-O-ketal derivvatives of D-glucosamines with 1-(benzoyloxy)benzotriazole that affords the corresponding #beta# anomeric benzoates in excellent yields is described herein.