ChemInform Abstract: Magnetic Fe<sub>3</sub>O<sub>4</sub> Nanoparticles as Efficient and Reusable Catalyst for the Green Synthesis of 2‐Amino‐4H‐chromene in Aqueous Media.

Safari, Javad; Zarnegar, Zohre; Heydarian, Marzieh

doi:10.1002/chin.201315140

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“…The newly prepared nanocatalyst structure was characterized using various techniques, including FT-IR (Fourier transform infrared), TGA (Thermogravimetric analysis), XRD (X-ray diffraction), BET (Brunauer-Emmett-Teller), VSM (vibrating-sample magnetometer), EDX (energy dispersive X-ray spectroscopy) and SEM (scanning electron microscopy). D in the mentioned equation represents the average crystalline, and K shows a dimensionless shape factor of about 0.9, λ is the X-ray wavelength; β is the line broadening at half the maximum intensity, as well as θ, is the Bragg angle 35 .…”

Section: Catalyst Characterizationmentioning

confidence: 99%

Fe3O4@Glycerol-Cu as a novel heterogeneous magnetic nanocatalyst for the green synthesis of 2-amino-4H-chromenes

Marjani

Asadzadeh

Asl

2022

Sci Rep

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In the present study, the Fe3O4@Glycerol-Cu complex supported magnetically as a nanoparticle was prepared by grafting. Firstly, Fe3O4 NPs were synthesized by FeCl3.6H2O and FeCl2.4H2O according to the reported method, and subsequently, the prepared MNP with 3-chloropropyltrimethoxysilane. After that, the support-glycerol was functionalized on the surface of MNP-(CH2)3Cl for graft and stabilization of copper metal. Our purpose is to use the Fe3O4@Glycerol-Cu as a green, recoverable, novel, and affordable nanocatalyst in the effective synthesis of 2-amino-4H-chromenes. FT-IR, XRD, TGA, BET, VSM, TEM, and SEM–EDX techniques were examined to characterize this nanocatalyst. This result demonstrates that copper and organic compounds have appropriately reacted, with the support of MNP-(CH2)3Cl, and the crystalline structure have preserved in the MNP-(CH2)3Cl/Glycerol-Cu nanocatalyst confirmed the formation of the base Cu complex grafted on the surface of the nanoparticles. Finally, as can be seen, the nanoparticle size is 5–15 nm. This heterogeneous nanocatalyst illustrated excellent recyclable behavior, and can be used several times without notable reduction of its activity.

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Section: Catalyst Characterizationmentioning

confidence: 99%

Fe3O4@Glycerol-Cu as a novel heterogeneous magnetic nanocatalyst for the green synthesis of 2-amino-4H-chromenes

Marjani

Asadzadeh

Asl

2022

Sci Rep

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ChemInform Abstract: Magnetic Fe₃O₄ Nanoparticles as Efficient and Reusable Catalyst for the Green Synthesis of 2‐Amino‐4H‐chromene in Aqueous Media.

Abstract: Synthesis of 2-Amino-4H-chromene in Aqueous Media. -The catalyst is found to be reusable for five cycles without any appreciable loss of its activity. -(SAFARI*, J.; ZARNEGAR, Z.; HEYDARIAN, M.; Bull. Chem. Soc. Jpn. 85 (2012) 12, 1332-1338, http://dx.doi.org/10.

Cited by 1 publication

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Fe3O4@Glycerol-Cu as a novel heterogeneous magnetic nanocatalyst for the green synthesis of 2-amino-4H-chromenes

Fe3O4@Glycerol-Cu as a novel heterogeneous magnetic nanocatalyst for the green synthesis of 2-amino-4H-chromenes

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ChemInform Abstract: Magnetic Fe3O4 Nanoparticles as Efficient and Reusable Catalyst for the Green Synthesis of 2‐Amino‐4H‐chromene in Aqueous Media.

Abstract: Synthesis of 2-Amino-4H-chromene in Aqueous Media. -The catalyst is found to be reusable for five cycles without any appreciable loss of its activity. -(SAFARI*, J.; ZARNEGAR, Z.; HEYDARIAN, M.; Bull. Chem. Soc. Jpn. 85 (2012) 12, 1332-1338, http://dx.doi.org/10.

Cited by 1 publication

References 1 publication

Fe3O4@Glycerol-Cu as a novel heterogeneous magnetic nanocatalyst for the green synthesis of 2-amino-4H-chromenes

Fe3O4@Glycerol-Cu as a novel heterogeneous magnetic nanocatalyst for the green synthesis of 2-amino-4H-chromenes

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ChemInform Abstract: Magnetic Fe₃O₄ Nanoparticles as Efficient and Reusable Catalyst for the Green Synthesis of 2‐Amino‐4H‐chromene in Aqueous Media.