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A Novel Cobalt Organic-Inorganic Hybrid Magnetic Nanocatalyst for Convenient Four-Component Synthesis of 3,4-Dihydropyridones | ||
Iranian Journal of Catalysis | ||
دوره 12، شماره 4، اسفند 2022، صفحه 417-429 اصل مقاله (1.53 M) | ||
نوع مقاله: Articles | ||
شناسه دیجیتال (DOI): 10.30495/ijc.2022.1959315.1938 | ||
نویسندگان | ||
Maryam Barazandehdoust1؛ Manouchehr Mamaghani* 2، 1؛ Hassan Kefayati1 | ||
1Department of Chemistry, Rasht Branch, Islamic Azad University, Rasht, Iran | ||
2Department of Chemistry, Faculty of Sciences, University of Guilan, P.O. Box 41335-1914, Rasht, Iran | ||
چکیده | ||
Densely functionalized 3,4-dihydropyridones were synthesized by a four-component reaction of Meldrumʼs acid, ethyl acetoacetate, ammonium acetate, and proper aromatic aldehydes in the presence of novel organic-inorganic cobalt incorporated magnetic nanocatalyst (γ-Fe2O3@HAp/Co(II)) using ethanol as a green solvent at reflux condition. This new synthetic method provided the target compounds in a high yield (70-95%) and lower reaction time (20-75 min). The protocol benefits from the high purity of the products, environmentally friendly, milder reaction conditions, recyclability of the catalyst, and facile workup procedure. The structure of the synthesized novel nanocatalyst was confirmed by FT-IR, XRD, FSEM, TEM, EDS, and TGA analyses. The catalyst was used in eight cycles without any notable variation in catalytic activities. | ||
تازه های تحقیق | ||
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کلیدواژهها | ||
3؛ 4-Dihydropyridone؛ One-pot؛ Four-component؛ Meldrumʼs acid؛ Nanocatalyst؛ γ-Fe2O3@HAp/Co(II) | ||
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مراجع | ||
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