The use of SrFe<sub>12</sub>O<sub>19</sub> magnetic nanoparticles as an efficient catalyst in the modified Niementowski reaction

Ziarani, Ghodsi Mohammadi; Asl, Zhila Kazemi; Gholamzadeh, Parisa; Badiei, Alireza; Afshar, Morteza

doi:10.1002/aoc.3830

Cited by 26 publications

(5 citation statements)

References 44 publications

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“…The spinel compounds with a general formula of AB 2 X 4 are a category of minerals with special characteristics resulting from their cubic, isomeric crystal system, including high corrosion resistance and exceptional optical and mechanical properties. Because of their remarkable properties, spinels have extensive applications in various fields of magnetism, electronics, storage and transformation of energy, and catalysts 1 – 6 . Hercynite (FeAl 2 O 3 ) has a tetrahedral structure, in which the distribution of ferrous and aluminum cations in its network is such that one eighth of sites are occupied by ferrous cations and aluminum cations occupy half of these sites (Fig.…”

Section: Introductionmentioning

confidence: 99%

Palladium doped PDA-coated hercynite as a highly efficient catalyst for mild hydrogenation of nitroareness

Beheshti,

Motavalizadehkakhky,

Zhiani

et al. 2024

Sci Rep

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Hercynite magnetic nanoparticles were produced through the co-precipitation of ferrous and aluminum cations. The surface of hercynite was respectively coated with silica, 2,4,6-trichloro-1,3,5-triazine, and 1H-pyrazole-3,5-dicarboxylic acid to provide a suitable substrate for Pd(II) loading, furnishing Pd@Her-TCT-PDA. Subsequently, the introduced Pd(II) was reduced to Pd(0) using NaBH4. FT-IR, EDS, XRD, TGA, TEM and SEM images were the characteristic methods to prove the success of catalyst synthesis. The SEM image illustrated the particles with a nanosize of 25–50 nm and TEM image confirmed the presence of Pd nanoparticles with sizes lower than 2 nm. EDS elemental analysis of the catalyst proved the existence of Pd, Fe, and Al atoms along with the C, O, N, and Si atoms belong to the heterocyclic moieties. VSM analysis clarified a considerable drop in the magnetic properties of the hercynite core of the final catalyst due to its modified surface. TGA curve demonstrated that Pd@Her-TCT-PDA contains 20% organic content, attributed to the anchored heterocyclic ligands. Finally, Pd@Her-TCT-PDA was employed along with NaBH4 as a catalytic system to reduce completely the nitro group of aromatic compounds to their corresponding amines. The recyclability tests showed low drop in the catalytic activity of Pd@Her-TCT-PDA after third run with negligible leaching of Pd NPs.

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Section: Introductionmentioning

confidence: 99%

Palladium doped PDA-coated hercynite as a highly efficient catalyst for mild hydrogenation of nitroareness

Beheshti,

Motavalizadehkakhky,

Zhiani

et al. 2024

Sci Rep

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“…According to our previous works, [ 34–40 ] herein, tetrahydroacenaphtho[1,2‐ b ]indolones are synthesized by magnetic nanocatalysts.…”

Section: Introductionmentioning

confidence: 99%

The synthesis of Fe₃O₄@SiO₂@Pr‐N (CH₂CH₂OH)₃ and Fe₃O₄@SiO₂@Pr‐N (CH₂CH₂‐ OBuSO₃H)₃ as nanomagnetic catalysts and their application in the synthesis of tetrahydroacenaphtho[1,2‐b]indolones and docking studies

Kheilkordi

Ziarani

Mohajer

et al. 2023

Applied Organom Chemis

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3 as magnetic nanocatalyst with Fe 3 O 4 core has been synthesized and used in the synthesis of tetrahydroacenaphtho[1,2-b]indolones, which was accomplished through the one-pot four-component reaction of 5,5-dimethyl cyclohexane-1,3-dione, acenaphthoquinone, arylamines, and active methylenes under solvent-free conditions at 80 C. Fe 3 O 4 @SiO 2 @Pr-N (CH 2 CH 2 -OBuSO 3 H) 3 with high magnetical and nontoxic properties has a core-shell structure. The molecular docking was performed against the cancer target like the crystal structure of the motor protein kinesin spindle protein in complex with adenosine-5'-diphosphate and monastrol (pdb: 1Q0B) (2) and crystal structure of Mcl-1 in complex with compound 7-(4-carboxyphenyl)-3-[3-(naphthalen-1-yloxy)propyl]pyrazolo[1,5-a] pyridine-2-carboxylic acid (pdb: 3WIX) (3).

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“…Moreover, these bare iron oxide nanoparticles have more affinity towards aerial oxidation [29] . Due to the increasing consideration for the use of nanomagnetic catalysts in organic syntheses, [30,31] efforts have been made to modify the surface of MNPs to increase their catalytic efficiency. The surfaces of MNPs have been modified with various organic and inorganic compounds [32–37] .…”

Section: Introductionmentioning

confidence: 99%

Immobilization of Polyoxometalate onto Modified Magnetic Nanoparticles: A New Catalyst for the Synthesis of Dihydropyranopyrazole Derivatives

et al. 2021

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A new nanocatalyst Fe3O4@carbon@polyoxometalate (Fe@C@Mo6O18) consisting of a cluster of Fe3O4 nanoparticles as core, a carbon layer as inner shell, and a Lindqvist type polyoxometalate as the outer shell was prepared. The prepared nanocatalyst structure was characterized by energy dispersive X‐ray (EDX), scanning electron microscopy (SEM), vibration sample magnetometer (VSM), thermogravimetric analysis (TGA), and Fourier transform infrared (FT‐IR) spectroscopy techniques and their catalytic activity was evaluated for the synthesis of dihydropyranopyrazole derivatives. The results were excellent regarding the high yield of the products and short reaction time. The new nanocatalyst showed good recoverability with a significant loss of activity and selectivity within successive runs. Most importantly, these materials can be easily recovered by simple magnetic separation.

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The use of SrFe₁₂O₁₉ magnetic nanoparticles as an efficient catalyst in the modified Niementowski reaction

Cited by 26 publications

References 44 publications

Palladium doped PDA-coated hercynite as a highly efficient catalyst for mild hydrogenation of nitroareness

Palladium doped PDA-coated hercynite as a highly efficient catalyst for mild hydrogenation of nitroareness

The synthesis of Fe₃O₄@SiO₂@Pr‐N (CH₂CH₂OH)₃ and Fe₃O₄@SiO₂@Pr‐N (CH₂CH₂‐ OBuSO₃H)₃ as nanomagnetic catalysts and their application in the synthesis of tetrahydroacenaphtho[1,2‐b]indolones and docking studies

Immobilization of Polyoxometalate onto Modified Magnetic Nanoparticles: A New Catalyst for the Synthesis of Dihydropyranopyrazole Derivatives

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The use of SrFe12O19 magnetic nanoparticles as an efficient catalyst in the modified Niementowski reaction

Cited by 26 publications

References 44 publications

Palladium doped PDA-coated hercynite as a highly efficient catalyst for mild hydrogenation of nitroareness

Palladium doped PDA-coated hercynite as a highly efficient catalyst for mild hydrogenation of nitroareness

The synthesis of Fe3O4@SiO2@Pr‐N (CH2CH2OH)3 and Fe3O4@SiO2@Pr‐N (CH2CH2‐ OBuSO3H)3 as nanomagnetic catalysts and their application in the synthesis of tetrahydroacenaphtho[1,2‐b]indolones and docking studies

Immobilization of Polyoxometalate onto Modified Magnetic Nanoparticles: A New Catalyst for the Synthesis of Dihydropyranopyrazole Derivatives

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The use of SrFe₁₂O₁₉ magnetic nanoparticles as an efficient catalyst in the modified Niementowski reaction

The synthesis of Fe₃O₄@SiO₂@Pr‐N (CH₂CH₂OH)₃ and Fe₃O₄@SiO₂@Pr‐N (CH₂CH₂‐ OBuSO₃H)₃ as nanomagnetic catalysts and their application in the synthesis of tetrahydroacenaphtho[1,2‐b]indolones and docking studies