Process for preparing cyclooctaamylose

Details Process for preparing cyclooctaamylose Process for preparing cyclooctaamylose

C - Chemistry, Metallurgy

12

P

195/138

C12P 19/18 (2006.01) C08B 37/16 (2006.01)

Patent

CA 1300061

PROCESS FOR PREPARING CYCLOOCTAAMYLOSE ABSTRACT OF THE DISCLOSURE A process for preparing cyclooctaamylose by enzymatic cleavage of an aqueous preparation of starch in the presence of a complexing agent is disclosed. As a selective com- plexing agent for cyclooctaamylose, a compound of the formula I is employed. (I) Image in which A, B, D and E, independently of one another, represent Image , and (R = hydrogen, alkyl, hydroxyl, alkoxy or carboxyl radical), and m, n, o and p are within the limits 0 to 20, with the proviso that the number of atoms forming the ring is within the limits from 13 to 24. The compounds prepared by the process of the invention are useful in the medicaments sector, in crop protection and cosmetics, or in the foodstuffs industry.

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