CF3SO3H–SiO2 as catalyst for Ferrier rearrangement: an efficient procedure for the synthesis of pseudoglycosides
2013
Abstract An efficient method for the conversion of 2,4,6-tri- O -acetyl- d -glucal to 2,3-unsaturated glycosides by using triflic acid on SiO 2 as catalyst has been established. A series of 2,3-unsaturated glucosides were synthesized in good yield and high anomeric selectivity under transition metal-free conditions.
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