Sweet chlorine-substituted disaccharides

Details Sweet chlorine-substituted disaccharides Sweet chlorine-substituted disaccharides

C - Chemistry, Metallurgy

07

H

99/140, 260/233

C07H 5/02 (2006.01) A23L 1/236 (2006.01)

Patent

CA 1183133

ABSTRACT New compounds of the general formula Image (in which the 3'- and 4'- substituents have a trans configuration with respect to each other) are potent sweeteners and can be formulated as compositions. They can be made by direct chlorination of a sucrose derivative blocked at the 6- position; by chlorination of 4-chloro-4- deoxy-.beta.-D-fructofuranosyl .alpha.-D-glucopyranoside blocked at the 6- position; or by introducing the 4'- chloro substituent by treatment with diethylazo- dicarboxylate and triphenylphosphine followed by contact with a source of chloride ions, the other chloro substituents being introduced into the molecule before or after this reaction.

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