4-O-acetyl-3-O-tert-butyldimethylsilyl-L-rhamnal:: a building block in the stereoselective synthesis of 2-deoxy-α-L-rhamnopyranosides

The stereoselective synthesis of 2-deoxy-alpha-L-glycosides by addition of various acceptors to 4-O-acetyl-3-O-tert-butyldimethylsilyi-L-rhamnal promoted by triphenylphosphine-hydrogen bromide is developed. (c) 2006 Elsevier Ltd. All rights reserved.