مشخصات پژوهش

عنوان	Sulfonic acid‑functionalized titanomagnetite nanoparticles as recyclable heterogeneous acid catalyst for one‑pot solvent‑free synthesis of 3,4‑dihydropyrimidin‑2(1H)‑ones/thiones
نوع پژوهش	مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها	Titanomagnetite · Fe3−xTixO4@SO3H nanoparticles · Magnetic nanoparticle · Nanocatalyst · Dihydropyrimidin-2(1H)-one
چکیده	Sulfonic acid-functionalized titanomagnetite (Fe3−xTixO4@SO3H) nanoparticles were prepared by grafting sulfonic acid groups on Fe3−xTixO4 nanoparticles. This new heterogeneous acid nanocatalyst demonstrated an efficient catalytic performance in the one-pot synthesis of dihydropyrimidin-2(1H)-one/thione derivatives under solvent-free conditions with high yields. The nanocatalyst could easily be separated from the reaction mixture simply by using an external magnet, recycled and reused for several times with no significant loss of catalytic activity. These nanoparticles were characterized by different physicochemical techniques, such as Fourier transform infrared, scanning electron microscopy, energy-dispersive X-ray analysis, thermogravimetric and vibrating sample magnetometer (VSM) analyses.
پژوهشگران	داود آذری فر (نفر اول)، یونس عباسی (نفر دوم)، ام البنین بدل خانی (نفر سوم)