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Imidazolium Hydrogen Sulphate Supported on Copper Oxide Nanoparticles as an efficient simple Heterogeneous Acidic Catalyst for Multi-component Synthesis of 1, 4- dihydro Pyrano [2, 3-c] pyrazoles Derivatives | ||
Iranian Journal of Catalysis | ||
مقاله 6، دوره 11، شماره 2، شهریور 2021، صفحه 165-174 اصل مقاله (948.5 K) | ||
نوع مقاله: Articles | ||
نویسندگان | ||
Elham Fadavipoor* 1؛ Rashid Badri2 | ||
1Department of Chemistry, Sousangerd Branch, Islamic Azad University, Sousangerd, Iran | ||
2Department of Chemistry, College of Science, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran | ||
چکیده | ||
Si-Im/HSO4(1-methyl-3-(3-(trimethoxysilyl) propyl) imidazolium hydrogen sulphate functionalized Copper oxide nanoparticles(CuO NPs )as a novel supporting ionic liquid was prepared and characterized by FT-IR spectroscopy, FE-SEM, XRD, TGA, and EDX techniques. It was used as a recyclable catalyst for the one-pot, three-component synthesis of 1, 4- dihydro Pyrano [2, 3-c] pyrazoles derivatives. The results showed that the catalyst was very efficient, and in addition, at the end of the reaction the catalyst could be easily isolated and reused for the next reaction without any appreciable loss of its catalytic activity. The reused catalyst was also characterized by the FE-SEM and EDX techniques. | ||
تازه های تحقیق | ||
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کلیدواژهها | ||
CuO NPs؛ functionalize؛ Imidazolium؛ Multi-component reactions | ||
مراجع | ||
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