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Magnesium-iron bimetal oxides as an effective magnetized solid-base catalyst for the synthesis of substituted 2-aminthiophenes | ||
Iranian Journal of Catalysis | ||
مقاله 7، دوره 10، شماره 4، اسفند 2020، صفحه 319-324 اصل مقاله (934.78 K) | ||
نوع مقاله: Articles | ||
نویسندگان | ||
Rayhaneh Ashkevar-Vakili؛ Farid Moeinpour* | ||
Department of Chemistry, Bandar Abbas Branch, Islamic Azad University, Bandar Abbas 7915893144, Iran | ||
چکیده | ||
< p>Mg-Fe bi-metal oxide was prepared and utilized as a magnetized renewable solid base catalyst for formation of 2-aminothiophenes by means of Gewald’s reaction. The prepared heterogeneous basic solid catalyst can be separated by a magnet and reused without considerable wastage in this activity. The structure of the aforementioned magnetized basic nano-catalyst was studied by XRD (X-ray diffraction), SEM (scanning electron microscopy), TEM (transmission electron microscopy), EDS (energy dispersive x-ray spectroscopy) and VSM (vibrating sample magnetometry) techniques. The present methodology offers several advantages such as high yields of products, shorter reaction times, environmentally friendly conditions, low catalyst dosage, high endurance and facile work-up. | ||
تازه های تحقیق | ||
• A magnetic solid base nano-catalyst was synthesized for 2-amniothiophenes synthesis. • Mg-Fe bi-metal oxide shows high efficiency for 2-amniothiophenes synthesis. • The prepared solid base catalyst can be recovered for five courses without a significant reduction in its efficiency. | ||
کلیدواژهها | ||
Solid base catalyst؛ Magnetic nanoparticles؛ 2-aminothiophene؛ Gewald reaction | ||
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مراجع | ||
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