Journal
CATALYSIS LETTERS
Volume 149, Issue 9, Pages 2528-2534Publisher
SPRINGER
DOI: 10.1007/s10562-019-02845-0
Keywords
Heterogeneous catalysis; Multicomponent reactions; 9-Aryl-hexahydro-acridine-1; 8-dione; Iron; 4 angstrom Molecular sieves
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Funding
- Budapest University of Technology and Economics (BME)
- Jozsef Varga Foundation
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A series of 9-aryl-hexahydroacridine-1,8-diones are synthetized with good to excellent yields (50-99%) via a one-pot four-component reaction of dimedone, aromatic aldehydes and ammonium acetate in the presence of 4 angstrom molecular sieves modified with iron(III) as an efficient heterogeneous catalyst, in ethanol. The process offers the advantages of high yields, mild reaction conditions and easy work-up procedure. The catalyst can be reused without significant loss of activity. [GRAPHICS] .
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