Abstract
Ene-reactions occur generally at high temperature. Lewis acid catalysis allows ene-reactions under mild conditions. The ene-reaction of diethyloxomalonate, which is a very reactive enophile with olefins is catalyzed by kaolin, montmorillonite or H+ doped montmorillonite. The ene-reaction products are converted into γ-lactones, especially by acidic montmorillonite. The conversion of citronellal into isopulegol is catalyzed by montmorillonite.
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© 1986 D. Reidel Publishing Company, Dordrecht, Holland
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Roudier, J.F., Foucaud, A. (1986). Clay Catalyzed Ene-Reactions. Synthesis of γ-Lactones. In: Setton, R. (eds) Chemical Reactions in Organic and Inorganic Constrained Systems. NATO ASI Series, vol 165. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-4582-1_18
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DOI: https://doi.org/10.1007/978-94-009-4582-1_18
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