مشخصات پژوهش

عنوان	Amino acid ionic liquid‐based titanomagnetite nanoparticles: An efficient and green nanocatalyst for the synthesis of 1,4‐dihydropyrano[2,3‐c]pyrazoles
نوع پژوهش	مقاله چاپ‌شده در مجلات علمی
کلیدواژه‌ها	1,4‐dihydropyrano[2,3‐c]pyrazoles, amino acid ionic liquid, ionic liquid‐based magnetic nanocatalyst, one‐pot three‐component synthesis, titanomagnetite nanoparticles
چکیده	The amino acid ionic liquid tetrabutylammonium asparaginate (TBAAsp) was immobilized on titanomagnetite (Fe3−xTixO4) nanoparticles in a facile one‐pot process using an organosilane compound (TMSP) as spacer. The modified Fe3−xTixO4@TMSP@TBAAsp magnetic nanoparticles were characterized using Fourier transform spectroscopy, scanning electron microscopy, energy‐dispersive X‐ray spectroscopy, vibrating sample magnetometry and thermogravimetric analysis. The resulting analytical data clearly verified the successful immobilization of the ionic liquid on the magnetic substrate. The magnetic ionic liquid‐based nanoparticles exhibited high catalytic activity in the synthesis of 1,4‐dihydropyrano[2,3‐c]pyrazole derivatives via a one‐pot three‐component reaction under mild reaction conditions. The catalyst was easily recycled and reused for at least six runs without any considerable loss of activity.
پژوهشگران	داود آذری فر (نفر اول)، ام البنین بدل خانی (نفر دوم)، یونس عباسی (نفر سوم)