Process for the preparation of pentaacetyl-.beta.-D-glucopyranose
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United States of America Patent
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Feb 26, 2002
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N/A
app pub date -
Feb 18, 2000
filing date -
Feb 19, 1999
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Expired
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Abstract
In a process for the preparation of pentaacetyl-.beta.-D-glucopyranose by reacting D-glucose with acetic anhydride in the presence of sodium acetate catalyst, the improvement is provided wherein 5-10 mols of acetic anhydride are used per mol of D-glucose and the reaction is performed in an organic solvent. Pentaacetyl-.beta.-D-glucopyranose is useful as intermediates for the synthesis of raw materials for industrial chemicals, medicines, cosmetics and the like.
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