Journal
JOURNAL OF THE IRANIAN CHEMICAL SOCIETY
Volume 17, Issue 9, Pages 2243-2256Publisher
SPRINGER
DOI: 10.1007/s13738-020-01918-x
Keywords
Nano-Fe3O4; Saponin; Cadmium acetate; beta-aminoketones; Green chemistry
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A novel recyclable magnetic core-shell nanoparticles Fe3O4@saponin/Cd was synthesized by the combination of nano-Fe3O4@saponin with cadmium acetate. The structure, magnetic features, and morphology of magnetic nanoparticles (MNPs) Fe3O4@saponin/Cd were studied totally via different experiments, such as Fourier transform infrared (FT-IR) spectroscopy, energy-dispersive X-ray spectroscopy (EDS), thermogravimetric analysis (TGA), X-ray diffraction (XRD), vibrating sample magnetometer (VSM), scanning electron microscopy (SEM), inductively coupled plasma (ICP), high-resolution transmission electron microscopy (HR-TEM), and Brunauer-Emmett-Teller (BET). It was found that the catalyst was active for the synthesis of beta-aminoketone derivatives via one-pot three-component Mannich-type reactions of ketones, aromatic aldehydes, aromatic amines under eco-friendly solvent, at room temperature. Furthermore, this catalyst can be easily recovered magnetically and can be reused for other runs without any reduction in the activity.
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