Solvent-free Mukaiyama aldol reaction of O-silyl dienolates catalyzed by benzoic acid |
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Authors: | Maria Rosaria Acocella |
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Affiliation: | Dipartimento di Chimica, Università di Salerno, 84081 Baronissi (Salerno), Italy |
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Abstract: | The vinylogous aldol reaction of O-silyl dienolates deriving from 2,2-dimethyl-[1,3]-dioxin-4-ones proceeds in moderate to excellent yields in the presence of catalytic amounts of PhCOOH under solvent-free conditions. Modest to good yields can be obtained by using silica gel or 3 Å molecular sieves as heterogeneous catalysts. |
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Keywords: | Aldol reaction Molecular sieves Silica gel Silyl dienolates |
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