نوع مقاله : مقاله علمی پژوهشی
نویسندگان
1 دانشگاه علم و صنعت ایران
2 دانشجوی دکتری آزمایشگاه تحقیقاتی کاتالیزورها و سنتز آلی، دانشکده شیمی، دانشگاه علم و صنعت ایران، تهران، ایران
3 دانشجوی کارشناسی ارشد آزمایشگاه تحقیقاتی کاتالیزورها و سنتز آلی، دانشکده شیمی، دانشگاه علم و صنعت ایران، تهران، ایران
چکیده
کلیدواژه‌ها
عنوان مقاله [English]
نویسندگان [English]
The ZnS/CuFe2O4 magnetic hybrid nanocatalyst was synthesized for the first time by a simple procedure. Investigation and characterization of this catalyst were carried out using energy-dispersive X-ray spectroscopy (EDX), field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) analyses. Synthetic nanoparticles were used as a magnetic and heterogeneous catalyst for the one-pot synthesis of 2-amino-3-cyano-4H-pyran derivatives with condensation of dimedone, aromatic aldehydes and malononitrile in ethanol at room temperature. The reported method has advantages such as mild conditions, good yields, simple separation of products from the reaction mixture and the use of biocompatible solvent and inexpensive catalyst. Nanocatalyst ZnS/CuFe2O4 was easily separated from the reaction using an external magnetic field and reused several times in reactions without appreciable reduction in catalytic activity.
کلیدواژه‌ها [English]
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