期刊
APPLIED ORGANOMETALLIC CHEMISTRY
卷 32, 期 12, 页码 -出版社
WILEY
DOI: 10.1002/aoc.4573
关键词
Iron catalyst; Magnetic nanoparticles; Quinazoline; Recyclable; Solvent-free
A practical and efficient method is developed for efficient synthesis of quinazoline derivatives through condensation reaction of 2-aminoaryl ketone, an aldehyde, and ammonium acetate, over magnetic Fe3O4@SiO2-PrNH2-Fe3+ NPs as a recyclable nanocatalyst, under solvent-free conditions. The as-prepared nanocatalyst was characterized using Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), and vibrating sample magnetometer (VSM). Mild conditions, easy work up, high purity of the products, recyclability, readily availability, nontoxicity, economical, and environmental-friendly nature of the iron catalyst are the attractive features of this methodology.
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