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SHANGHAI TONGCHEN BIOTECH CO., LTD.

Shanghai City, CN

SHANGHAI TONGCHEN BIOTECH CO., LTD. Patent applications
Patent application numberTitlePublished
20100292462PROCESS FOR SYNTHESIZING AND PURIFYING SUCRALOSE - The present invention discloses a process for synthesizing sucralose, which comprises reacting sucrose with acetic anhydride in the solvent of a N-amide compound in the presence of an organic complex alkali metal salt catalyst to produce sucrose-6-acetate, and then chlorinating and deacetylating the sucrose-6-acetate to give sucralose. The present invention also discloses a process for purifying sucralose, which comprises purifying crude sucralose with one or more organic solvents to obtain purified sucralose.11-18-2010