A Green Solventless Protocol for the Synthesis ofβ-Enaminones andβ-Enamino Esters Using Silica Sulfuric Acid as a Highly Efficient, Heterogeneous and Reusable Catalyst
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Silica sulfuric acid is utilized as a green, highly efficient, heterogeneous and recyclable catalyst for the preparation ofβ-enaminones andβ-enamino esters from amines andβ-dicarbonyl compounds under solvent-free conditions at 80 °C. Using this method, the title compounds are produced in high to excellent yields and in short reaction times.
2006 ◽
Vol 7
(7)
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pp. 494-498
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2011 ◽
Vol 14
(10)
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pp. 934-943
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2006 ◽
Vol 2006
(4)
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pp. 218-219
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