POLYSACCHARIDE DERIVATIVE PRODUCTION METHOD AND LIGNIN DERIVATIVE PRODUCTION METHOD
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United States of America Patent
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May 19, 2022
app pub date -
Mar 5, 2020
filing date -
Mar 5, 2020
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Abstract
An object of the present invention is to provide a method for producing a polysaccharide derivative in which the use of a reagent such as an acid catalyst is not needed and a reaction can be smoothly progressed without causing any side reactions. A method for producing a polysaccharide derivative of the present invention includes a step of dissolving a raw material including a polysaccharide in at least one ionic liquid having an anion which is a non-carboxylate anion and reacting the raw material with an acyl group donor, a conjugate acid of the anion having a pKa of 4 or higher in vacuum.
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