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- Title
Design, Preparation and Characterization of MoO<sub>3</sub>H-functionalized Fe<sub>3</sub>O<sub>4</sub>@SiO<sub>2</sub> Magnetic Nanocatalyst and Application for the One-pot Multicomponent Reactions.
- Authors
Kiani, Mahtab; Hendijani, Mehrnoosh; Mohammadipour, Mohammad; Zamanian, Ali
- Abstract
Molybdic acid-functionalized silica-based Fe3O4 nanoparticles (Fe3O4@SiO2-MoO3H) are found to be a powerful and magnetically recyclable nanocatalyst. The morphology and structure of this nanocatalyst were investigated by Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), thermo gravimetric analyses (TGA), X-ray diffraction (XRD) and vibrating sample magnetometer (VSM) techniques. The high catalytic activity of this catalyst was investigated in the synthesis of pyrano[2,3-c]chromenes, representing potent biologically active compounds. The catalyst can be readily separated by applying an external magnet device and recycled up to 8 times without significant decrease in its catalytic activity, which makes it highly beneficial to address the industrial needs and environmental concerns. Fe3O4@SiO2-MoO3H has many advantages, such as low cost, low toxicity, ease of preparation, good stability, high reusability and operational simplicity.
- Subjects
MOLYBDENUM compounds synthesis; MOLECULAR structure of molybdenum compounds; MAGNETIC nanoparticles; SILICA; FOURIER transform infrared spectroscopy
- Publication
Acta Chimica Slovenica, 2017, Vol 64, Issue 3, p707
- ISSN
1318-0207
- Publication type
Article
- DOI
10.17344/acsi.2017.3208