FIELD: chemical technology. SUBSTANCE: product: D-glucosamine hydrochloride, yield is 76% Reagent 1: chitin. Reagent 2: concentrated HCl. Reaction conditions: heating, cooling up to the room temperature, crystallization and precipitate separation, its washing with organic solvent, dissolving in water and removal of impurities by filtration and centrifugation. Product is used as medicinal agent. EFFECT: improved method of synthesis. 1 tbl
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Authors
Dates
1995-08-27—Published
1992-11-02—Filed