Zeolites as catalysts in organic reactions. Claisen-Schmidt condensation of acetophenone with benzaldehyde |
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| Authors: | M. J. Climent H. Garcia J. Primo A. Corma |
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| Affiliation: | (1) Departamento de Química, ETSII, Universidad Politécnica de Valencia, Apartado 22012, 46071 Valencia, Spain;(2) Instituto de Catálisis y Petroleoquímica, C.S.I.C., Serrano 119, 28006 Madrid, Spain |
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| Abstract: | HY zeolites catalyze the crossed aldol condensation of acetophenone with benzaldehyde, in benzene at 80 °C, to give trans- and cis-chalcones. Together with these expected products, 3,3-diphenylpropiophenone is also produced. In the analogous basic condensation, using phase transfer catalysis, the Michael adduct was not detected, and besides chalcone a small percentage of the Cannizzaro reaction product was observed. |
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