Process for making terpene esters
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United States of America Patent
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Apr 8, 2008
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N/A
app pub date -
Dec 4, 2006
filing date -
Dec 4, 2006
priority date (Note) -
Expired
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Abstract
A process for making terpene esters is disclosed. Reaction of a terpene alcohol with acetic anhydride in the presence of a high-boiling amine provides a terpene ester. Acetic acid, which is distilled from the reaction mixture as it forms can be recovered. The terpene ester is distilled from the high-boiling amine to provide a product that is substantially free of nitrogen-containing impurities. The reaction mixture can be reused for subsequent acylations. The simple, economical process gives high-quality terpene esters while avoiding waste-disposal issues of other common acylation procedures.
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