Sucralose pentaester production
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United States of America Patent
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Mar 29, 1994
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N/A
app pub date -
Mar 12, 1993
filing date -
Mar 12, 1993
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Abstract
A process for producing substantially pure sucralose pentaester from a mixture of 6-O-acyl-4,1' ,6' -trichloro-4,1',6'-trideoxygalactosucrose in a reaction medium comprising a tertiary amide, wherein said process comprises the steps of: (a) recovering the 6-O-acyl-4,1' ,6' -trichloro-4,1' ,6' -trideoxygalactosucrose from said mixture; (b) peracylating the 6-O-acyl-4,1' ,6' -trichloro-4,1' ,6' -trideoxygalactosucrose product of step (a) to produce thereby 4,1',6' -trichloro-4,1' ,6' -trideoxygalactosucrose pentaester; and (c) crystallizing the 4,1',6' -trichloro-4,1' ,6' -trideoxygalactosucrose pentaester product of step (b) to produce substantially pure 4,1',6' -trichloro-4,1' ,6' -trideoxygalactosucrose pentaester.
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