Process for producing metal complex of aminooligosaccharide...

C - Chemistry – Metallurgy – 07 – H

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C07H 1/06 (2006.01) A61K 49/00 (2006.01) C07H 15/04 (2006.01) C07H 23/00 (2006.01) C08B 37/08 (2006.01)

Patent

CA 2400327

A process for producing a highly purified metal complex of an aminooligosaccharide derivative by effectively removing impurities, by- products, excess eluates, etc. generated in the step of synthesizing the aminooligosaccharide derivative and the step of forming the metal complex thereof. The process comprises subjecting a crude liquid reaction mixture containing an aminooligosaccharide derivative to the step of complexing with metal ions and to a purification step, wherein the purification step comprises at least one stage by the solvent extraction method, anion-exchange method, filter membrane separation method, electrodialysis, or adsorption method.

L'invention concerne un procédé de production d'un complexe métallique fortement purifié d'un dérivé aminooligosaccharide par élimination efficace des impuretés, des produits dérivés, des éluats en excès, etc. générés lors de la synthèse du dérivé aminooligosaccharide et de la formation du complexe métallique de ce dernier. Le procédé consiste à soumettre un mélange de réaction liquide brut contenant un dérivé aminooligosaccharide à l'étape de complexion avec des ions métalliques et à une étape de purification, cette dernière consistant au moins d'une phase réalisée selon le procédé d'extraction par solvant, le procédé d'échange d'anions, le procédé de séparation de membrane de filtre, l'électrodialyse ou le procédé d'absorption.

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