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Nano-cellulose-OSnCl4-x: Green and natural-based renewable nanocatalyst for one-pot synthesis of 2-amino-3-phenylsulfonyl-4H-pyran derivatives | ||
Iranian Journal of Catalysis | ||
دوره 12، شماره 4، اسفند 2022، صفحه 407-416 اصل مقاله (1.07 M) | ||
نوع مقاله: Articles | ||
شناسه دیجیتال (DOI): 10.30495/ijc.2022.1958448.1933 | ||
نویسندگان | ||
Sayed Rasul Shafe-Mehrabadi1؛ Bahareh Sadeghi* 2؛ Mohammad Hossein Mosslemin1؛ Saeedeh Hashemian1 | ||
1Department of Chemistry, Yazd Branch, Islamic Azad University, Yazd, Iran | ||
2Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran, Iran | ||
چکیده | ||
A highly efficient, eco-friendly procedure has been proposed for the synthesis of 2-amino-3-phenylsulfonyl-4H-pyran derivatives via nano-cellulose-OSnCl4-x catalyst prepared from cotton as support treated with tin tetrachloride (SnCl4). This catalyst is characterized by FT-IR, FESEM, TEM, TGA, and EDX. The TEM results confirmed the size of the nano-cellulose-OSnCl4-x catalyst was below 30 nm. The efficiency of this solid acid catalyst was investigated in one-pot, three-component condensation reactions with aromatic aldehydes, dimedone, and phenylsulfonylacetonitrile under reflux conditions. As a result, 2-amino-3-phenylsulfonyl-4H-pyran derivatives were produced under facile conditions in high yield (84-95%) and high rate (30-50 min) using nano-cellulose-OSnCl4-x as a recyclable catalyst. | ||
تازه های تحقیق | ||
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کلیدواژهها | ||
Phenylsulfonylacetonitrile؛ pyran derivatives؛ dimedone؛ green chemistry؛ nano-cellulose-OSnCl4-x | ||
مراجع | ||
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