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A green method for the synthesis of indeno[1,2-b]pyridines using Fe3O4@SiO2@PrSO3H as a nanomagnetic catalyst | ||
Iranian Journal of Catalysis | ||
مقاله 7، دوره 10، شماره 1، خرداد 2020، صفحه 65-70 اصل مقاله (1.71 M) | ||
نوع مقاله: Articles | ||
نویسندگان | ||
Zohreh Kheilkordi1؛ Ghodsi Mohammadi Ziarani* 1؛ Alireza Badiei2؛ Hossein Vojoudi3 | ||
1Department of Chemistry, Alzahra University, Vanak Square, P.O. Box 1993893973, Tehran, Iran. | ||
2School of Chemistry, College of Science, University of Tehran, Tehran, Iran. | ||
3School of Chemistry, College of Science, University of Tehran, Tehran, Iran | ||
چکیده | ||
The acidic agent (SO3H) was stabilized on the silica coated Fe3O4 magnetic nanoparticles to produce Fe3O4@SiO2@Pr-SO3H, as a heterogeneous acidic catalyst, was designed, and then fully studied and characterized by FT-IR, XRD, TGA, DTA, TEM, and SEM analysis. Subsequently, the catalytic activity of Fe3O4@SiO2@PrSO3H was investigated by the one-pot four- component condensation reaction between 1,3-indandione, aromatic aldehydes, acetophenone or propiophenone and ammonium acetate under the solvent-free condition at 80 ℃. The main advantages of this magnetic and heterogeneous acidic catalyst are high product yields, being environmentally benign, short reaction times, and easily separated from the reaction mixture using an external magnet. | ||
کلیدواژهها | ||
Fe3O4@SiO2@PrSO3H؛ Nanomagnetic heterogeneous catalyst؛ Indeno[1؛ 2-b]pyridines؛ Multi component reaction؛ Solvent-free condition | ||
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مراجع | ||
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