Process for the synthesis of curcumin-related compounds

Details Process for the synthesis of curcumin-related compounds Process for the synthesis of curcumin-related compounds

C - Chemistry, Metallurgy

07

C

C07C 49/255 (2006.01) C07C 45/74 (2006.01) C07C 49/248 (2006.01) C07C 51/367 (2006.01) C07C 59/90 (2006.01) C07C 67/343 (2006.01) C07C 69/738 (2006.01) C07C 201/12 (2006.01) C07C 205/45 (2006.01)

Patent

CA 2236600

The invention is directed to a process for the synthesis of curcumin and curcumin-related compounds by reacting the enol form of a 2,4-diketone with a monocarbocyclic aldehyde in the presence of an organic amine catalyst. The reactants are dissolved in a highly polar, aprotic organic solvent. The curcumin-related product is recovered in crystalline form by precipitation from the reaction mass and solvent recrystallization.

L'invention concerne un procédé de synthèse de curcumin et de composés à base de curcumin par réaction de la forme énole d'une 2,4-dicétone avec un aldéhyde monocarboxylique en présence d'un catalyseur amine organique. Les réactants sont dissous dans un solvant organique aprotique extrèmement polaire. Le produit à base de curcumin est récupéré sous forme cristalline par précipitation de la masse de réaction et recristallisation du solvant.

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