Catalyst for preparing lactone and a method for preparing lactone
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United States of America Patent
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Nov 27, 2001
Grant Date -
Jul 26, 2001
app pub date -
Dec 15, 2000
filing date -
Jan 14, 2000
priority date (Note) -
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Abstract
The present invention relates to a catalyst for preparing a lactone, which is prepared by supporting a cupric compound, a zinc compound and at least one alkaline earth metal compound on the supporter. The present invention also relates to a method for preparing a lactone, which comprises a dehydrocyclization reaction of a diol under a gas phase in the presence of the aforementioned catalyst after activating said catalyst. The catalyst for preparing lactone of the present invention is quite economic because of its high activity, long lifetime and high selectivity of products.
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