Environmentally-friendly method for catalytic synthesis of curcumin from alkaline ionic liquid

The invention discloses an environmentally-friendly method for catalytic synthesis of curcumin from alkaline ionic liquid. The method comprises the following steps of: protecting methylene of acetylacetone by boric anhydride; adding the alkaline ionic liquid to catalyze condensation reaction of acet...

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Main Authors HOU XIULIANG, GAO LIHONG, YUAN SHUNFU, GAO HAIYAN, HUANG JIEFANG, WANG HAIJUN, YUE JUAN, CAI LI
Format Patent
LanguageChinese
English
Published 19.09.2012
Subjects
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Summary:The invention discloses an environmentally-friendly method for catalytic synthesis of curcumin from alkaline ionic liquid. The method comprises the following steps of: protecting methylene of acetylacetone by boric anhydride; adding the alkaline ionic liquid to catalyze condensation reaction of acetylacetone and 4-hydroxyl-3-methoxy benzaldehyde; subsequently adding diluted acetic acid solution to dissolve a product obtained by the condensation reaction; and performing post-treatment. The method provided by the invention has the advantages of easiness in operation, superior reaction performance, easiness in separation of products, capability of repeatedly utilizing a catalyst, environmental friendliness and the like.
Bibliography:Application Number: CN20121171442