The iron containing ionic liquid 1-butyl-3-methylimidazolium tetrachloroferrate ([C4mim]C1/FeCl3; Z = 0.5) proved to be an efficient catalyst for the solvent-free metal catalyzed Michael addition of β-keto esters a...The iron containing ionic liquid 1-butyl-3-methylimidazolium tetrachloroferrate ([C4mim]C1/FeCl3; Z = 0.5) proved to be an efficient catalyst for the solvent-free metal catalyzed Michael addition of β-keto esters and enones. Due to the ionic structure of the catalyst, a significant acceleration of the reaction rate was observed under microwave conditions. Furthermore, recycling of the ionic liquid catalyst could be performed after simply distilling off the products.展开更多
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文摘The iron containing ionic liquid 1-butyl-3-methylimidazolium tetrachloroferrate ([C4mim]C1/FeCl3; Z = 0.5) proved to be an efficient catalyst for the solvent-free metal catalyzed Michael addition of β-keto esters and enones. Due to the ionic structure of the catalyst, a significant acceleration of the reaction rate was observed under microwave conditions. Furthermore, recycling of the ionic liquid catalyst could be performed after simply distilling off the products.