Process for the preparation of 1,6-dichloro-1,6-...

Details Process for the preparation of 1,6-dichloro-1,6-... Process for the preparation of 1,6-dichloro-1,6-...

C - Chemistry, Metallurgy

07

H

260/233

C07H 5/02 (2006.01) C07H 13/04 (2006.01) C07H 13/06 (2006.01)

Patent

CA 1273918

ABSTRACT OF THE DISCLOSURE A process for the preparation of 1,6- dichloro-1,6-dideoxy-.beta.-D-fructofuranosyl-4-chloro-4- deoxy-.alpha.-galactopyranoside comprising the steps of (a) reacting sucrose with a tritylating agent; (b) acetylating the tritylated reaction product; (c) detritylating the acetylated reaction product; (d) isomerizing the resulting penta-acetate; (e) chlorinating the isomerized product; and (f) deacetylating the chlorinated reaction product. This compound is a potent sweetener, having a sweetness several hundred times that of sucrose. The above process enables to provide an acetyl migration step without utilizing a weak acid.

520914

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