Method for preparing 3-hydroxytetrahydrofuran using cyclodehydration
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United States of America Patent
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Feb 28, 2012
Grant Date -
Jan 1, 2009
app pub date -
Jan 10, 2006
filing date -
Jan 10, 2006
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Abstract
Disclosed is a method of preparing 3-hydroxytetrahydrofuran using cyclodehydration. More particularly, this invention relates to a method of preparing 3-hydroxytetrahydrofuran, including subjecting 1,2,4-butanetriol to cyclodehydration under reaction conditions of a reaction temperature of 30˜180° C. and reaction pressure of 5000 psig or less in the presence of a strong acid cation exchange resin catalyst having a sulfonic acid group as an exchange group. According to the method of this invention, 3-hydroxytetrahydrofuran can be economically prepared at higher yield and productivity than when using conventional methods.
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