Process for preparing cyclopentenones

Details Process for preparing cyclopentenones Process for preparing cyclopentenones

C - Chemistry, Metallurgy

07

C

C07C 49/597 (2006.01) C07C 45/66 (2006.01)

Patent

CA 2239545

A process for preparing a cyclopentenone by forming a two-phase mixture of a 1,4-diketone, a water immiscible organic solvent, and an aqueous base solution, and heating the mixture so as to convert the 1,4-diketone to a cyclopentenone which collects in the organic solvent phase.

Cette invention concerne un procédé de préparation d'une cyclopenténone qui consiste à former un mélange à deux phases constitué d'une 1,4-dicétone, d'un solvant organique non miscible dans l'eau et d'une solution de base aqueuse, et à chauffer ledit mélange de manière à transformer la 1,4-dicétone en une cyclopenténone qui est recueillie dans la phase du solvant organique.

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