PROCESS FOR PREPARING WATER-SOLUBLE OLIGOSACCHARIDES Russian patent published in 1999 - IPC

Abstract RU 2126012 C1

FIELD: organic chemistry. SUBSTANCE: claimed process comprises treating chitin with sulfuric acid solution on heating and recovering the desired product. Chitin is added portionwise to reaction, chitin to sulfuric acid weight ratio being from 1:1-1.5. In order to recover the desired product, not more than 7.5 ml of acetone is used per 1 g of chitin. Amount of sulfuric acid and acetone is reduced by about 2 times. EFFECT: more efficient preparation process. 2 cl

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RU 2 126 012 C1

Authors

Maksimov V.I.

Rodoman V.E.

Maksimova E.V.

Dates

1999-02-10—Published

1997-03-17—Filed