Processes for producing saccharide derivatives using solid ultrastrong acid
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United States of America Patent
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Jan 28, 2003
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N/A
app pub date -
Jan 30, 2001
filing date -
Aug 10, 1998
priority date (Note) -
Expired
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Abstract
This invention provides glycoside polymers or glycosides which are useful as a material for functional foods, biodegradable fibers or medicaments, said glycoside polymers being produced efficiently by subjecting a compound of the formula (1): ##STR1## wherein R.sup.1 is --OH, R.sup.2 is --OH or --NHCOCH.sub.3, R.sup.3 is --CH.sub.2 OH, --COOH or --CH.sub.3, to a melt polymerization or a solution polymerization in the presence of a solid superacid, and said glycosides being produced by reacting the compound (1) with a saturated or unsaturated alcohol in the presence of a solid superacid.
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