Preparation of acylated sucrose derivatives
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United States of America Patent
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Aug 25, 1992
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N/A
app pub date -
Sep 26, 1989
filing date -
Sep 27, 1988
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Expired
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Abstract
Sucrose derivatives partially acylated in each ring can be obtained by treating a fully or partially acylated sucrose derivative with an enzyme having sucrose esterase activity capable of removing at least one acyl group from each ring, generally comprising or being a component of a lipase, esterase, amylase, .alpha.-galactosidase or protease preparation, the enzyme treatment being effected in an aqueous system. Sucralose can be obtained by using this method to obtain a sucrose 2,3,6,3',4'-penta ester which can then be chlorinated and de-esterfied. Some of the penta acetates, tetraacetates and mixed acetates/butyrates are new compounds.
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