Crystalline l-carnosine zinc complex and production thereof

Details Crystalline l-carnosine zinc complex and production thereof Crystalline l-carnosine zinc complex and production thereof

C - Chemistry, Metallurgy

07

K

260/314, 530/5.0

C07K 5/06 (2006.01) C07D 233/54 (2006.01) C07F 3/00 (2006.01) C07K 1/02 (2006.01)

Patent

CA 1313725

Abstract A novel cyrstalline L-carnosine zinc complex is produced by reacting L-carnosine, a zinc salt and an alkali metal compound in an anhydrous or hydrous polar organic solvent. The crystalline L-carnosine zinc complex substantially corresponds to the formula C9H12N4O3Zn and has physical properties clearly different from the known amorphous L-carnosine zinc complex. As compared with the amorphous complex, the crystalline complex is very low in impurity, stable to heat and moisture, and easy to filtrate; and has higher antiulcer activity.

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