Zeolite an efficient catalyst for the Biginelli condensation reaction |
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Authors: | Mojgan Zendehdel A Mobinikhaledi A Asgari |
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Institution: | (1) Chemistry Department, Arak University, Dr. Beheshti Ave, Arak, Iran |
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Abstract: | A zeolite catalyzed, single step and environmentally friendly process for synthesis of classical Biginelli reaction was investigated.
For this reaction Transition metal/Y zeolites were prepared by microwave solid-state and aqueous solution ion-exchange methods.
The yield of reactions was increased in order of CuY > CoY > NiY > MnY ≈ FeY > VY > CrY > ZnY for the solid-state zeolite
ion-exchange and CuY > CoY > NiY > MnY > CrY > VY > ZnY > FeY for the aqueous solution ion-exchange. The solid-state ion-exchange
zeolite by microwave irradiation showed higher activity compared to the aqueous solution exchange. The yield of the product
in the present of CuY zeolite was in order of 22–50%. |
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Keywords: | Tetrahydropyrimidinones Zeolite Acid sites Biginelli |
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