Process for preparing sugar acetonides

Details Process for preparing sugar acetonides Process for preparing sugar acetonides

C - Chemistry, Metallurgy

07

H

C07H 9/04 (2006.01)

Patent

CA 2131643

ABSTRACT The present invention relates to a new method of preparing sugar acetonides, such as for example 1,2:5,6- Di-O-isopropylidene-.alpha.-D-glucofuranose, by reacting the corresponding sugar, e.g. D-(+)-glucose, with acetone Image in the presence of a Lewis acid and a carboxylic acid derivative of general formula Image wherein X represents a leaving group which may be substituted by a hydroxyl group.

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