Rt. Li et al., STUDIES ON GLYCOSIDES .21. SOLID-LIQUID PHASE-TRANSFER-CATALYZED REACTION OF TETRA-O-ACETYLGLYCOPYRANOSYL BROMIDE WITH ACTIVE METHYLENE-COMPOUNDS, Synthetic communications, 27(8), 1997, pp. 1351-1357
2,3,4,6-Tetra-O-acetylglycopyranosyl bromide was reacted with active m
ethylene compounds under solid-liquid phase-transfer catalyst conditio
ns, involving anhydrous potassium phosphate as base and TBAB as cataly
st in acetonitrile at room temperature, to give the corresponding tetr
a-O-acetylglycoside 2 in moderate yields.