Natural phosphate and potassium fluoride doped natural phosphate: efficient catalysts for the construction of a carbon-nitrogen bond |
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| Institution: | a Laboratoire de Catalyse, Synthèse et Environnement, UFR de Chimie Appliquée, Faculté des Sciences et Techniques, Université Hassan II, Mohammadia B.P. 146, 20650 Morocco
b Laboratoire de Chimie Organique, Appliquée et Catalyse (LCOAC), Faculté des Sciences, Ben M'Sik B.P. 7955, Casablanca, Morocco |
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| Abstract: | The application of natural phosphates doped with potassium fluoride as heterogeneous catalysts for the Michael addition of aromatic and aliphatic amines to α,β-unsaturated carbonyl compounds is presented. The natural phosphate catalyst can be regenerated and reused without loss of activity, which makes it an attractive alternative to homogeneous basic reagents. Doping natural phosphate with potassium fluoride significantly enhances the rate and yield of the reaction. |
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| Keywords: | Natural phosphate Potassium fluoride Heterogeneous catalysis β-amino derivatives Recyclable catalyst |
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