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Rezayati S, Moghadam MM, Naserifar Z, Ramazani A. Schiff Base Complex of Copper Immobilized on Core-Shell Magnetic Nanoparticles Catalyzed One-Pot Syntheses of Polyhydroquinoline Derivatives under Mild Conditions Supported by a DFT Study. Inorg Chem 2024; 63:1652-1673. [PMID: 38194483 DOI: 10.1021/acs.inorgchem.3c03861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
We synthesized a stable and reusable Schiff base complex of copper immobilized on core-shell magnetic nanoparticles [Cu(II)-SB/GPTMS@SiO2@Fe3O4] with simple, efficient, and available materials. A variety of characterization analyses including Fourier transform infrared (FT-IR), X-ray photoelectron spectroscopy (XPS), field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET), thermogravimetric analysis (TGA), X-ray diffraction (XRD), vibrating-sample magnetometry (VSM), energy-dispersive X-ray spectrometry (EDX), and inductively coupled plasma (ICP) confirm that our synthesized nanocatalyst was obtained. The particle size distribution from the TEM image was obtained in the range of 42-55 nm. The existence of cupric species (Cu2+) in the catalyst was determined with XPS analysis and clearly indicated two peaks at 933.7 and 953.7 eV for Cu 2p3/2 and Cu 2p1/2, respectively. BET results showed that our catalyst synthesized with a mesoporous structure and with a specific area of 48.82 m2 g-1. After detailed characterization, the resulting nanocatalyst exhibited excellent catalytic performance for the explored catalytic reactions in the one-pot synthesis of polyhydroquinoline derivatives by the Hantzsch reaction of dimedone, ethyl acetoacetate, ammonium acetate, and various aldehydes under sustainable and mild conditions. The corresponding products 5a-l are achieved in yields of 88-97%. Additionally, density functional theory (DFT) calculations were carried out to investigate the electrostatic potential root (ESP), natural bond orbital (NBO), and molecular orbitals (MOs), drawing the reaction mechanism using the total energy of the reactant and product and the study of structural parameters.
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Affiliation(s)
- Sobhan Rezayati
- The Organic Chemistry Research Laboratory (OCRL), Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Maryam Manafi Moghadam
- The Organic Chemistry Research Laboratory (OCRL), Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Zahra Naserifar
- The Organic Chemistry Research Laboratory (OCRL), Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Ali Ramazani
- The Organic Chemistry Research Laboratory (OCRL), Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
- The Convergent Sciences & Technologies Laboratory (CSTL), Research Institute of Modern Biological Techniques (RIMBT), University of Zanjan, Zanjan 45371-38791, Iran
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Partovi M, Rezayati S, Ramazani A, Ahmadi Y, Taherkhani H. Recyclable mesalamine-functionalized magnetic nanoparticles (mesalamine/GPTMS@SiO 2@Fe 3O 4) for tandem Knoevenagel-Michael cyclocondensation: grinding technique for the synthesis of biologically active 2-amino-4 H-benzo[ b]pyran derivatives. RSC Adv 2023; 13:33566-33587. [PMID: 38020042 PMCID: PMC10658220 DOI: 10.1039/d3ra06560j] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 10/31/2023] [Indexed: 12/01/2023] Open
Abstract
In the present study, mesalamine-functionalized on magnetic nanoparticles (mesalamine/GPTMS@SiO2@Fe3O4) is fabricated as an efficient and magnetically recoverable nanocatalyst. The as-prepared nanocatalyst was successfully synthesized in three steps using a convenient and low-cost method via modification of the surface of Fe3O4 nanoparticles with silica and GPTMS, respectively, to afford GPTMS@SiO2@Fe3O4. Finally, treatment with mesalamine as a powerful antioxidant generates the final nanocatalyst. Then, its structure was characterized by FT-IR, SEM, TEM, EDX, XRD, BET, VSM, and TGA techniques. The average size was found to be approximately 38 nm using TEM analysis and the average crystallite size was found to be approximately 27.02 nm using XRD analysis. In particular, the synthesized nanocatalyst exhibited strong thermal stability up to 400 °C and high magnetization properties. The activity of the synthesized nanocatalyst was evaluated in the tandem Knoevenagel-Michael cyclocondensation of various aromatic aldehydes, dimedone and malononitrile under a dry grinding method at room temperature to provide biologically active 2-amino-4H-benzo[b]pyran derivatives products in a short time with good yields. The presented procedure offers several advantages including gram-scale synthesis, good green chemistry metrics (GCM), easy fabrication of the catalyst, atom economy (AE), no use of column chromatography, and avoiding the generation of toxic materials. Furthermore, the nanocatalyst can be reused for 8 cycles with no loss of performance by using an external magnet.
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Affiliation(s)
- Mahdiyeh Partovi
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
| | - Sobhan Rezayati
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
| | - Ali Ramazani
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
- Department of Biotechnology, Research Institute of Modern Biological Techniques (RIMBT), University of Zanjan Zanjan 45371-38791 Iran
| | - Yavar Ahmadi
- Department of Chemistry Education, Farhangian University P. O. Box 14665-889, Tehran Iran
| | - Hooman Taherkhani
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
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Karimi M, Ramazani A, Sajjadifar S, Rezayati S. A copper(ii) complex containing pyridine-2-carbaldehyde and its direct binding onto ethylenediamine functionalized with Fe 3O 4@SiO 2 nanoparticles for catalytic applications. RSC Adv 2023; 13:29121-29140. [PMID: 37800129 PMCID: PMC10548530 DOI: 10.1039/d3ra05649j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/23/2023] [Indexed: 10/07/2023] Open
Abstract
In the present study, a copper(ii) complex containing a pyridine-2-carbaldehyde ligand and its direct binding onto ethylenediamine functionalized with Fe3O4@SiO2 nanoparticles [Cu(ii)-Schiff base-(CH2)3-SiO2@Fe3O4] as a heterogeneous magnetic nanocatalyst can be easily prepared using a multi-step method. Next, the structural and magnetic properties of the synthesized nanoparticles were identified using Fourier-transform infrared spectroscopy (FT-IR), inductively coupled plasma (ICP), vibrating-sample magnetometry (VSM), transmission electron microscopy (TEM), field-emission scanning electron microscopy (FE-SEM), thermogravimetric analysis (TGA), PXRD (Powder X-ray diffraction), Brunauer-Emmett-Teller (BET), and energy-dispersive X-ray spectrometry (EDX) techniques. TEM images reveal that the average particle size distribution was found to be in the range of 45-55 nm with spherical shape. The PXRD analysis indicated that the crystallite size was found to be 35.2 nm. The synthesized nanocatalyst exhibited a very good catalytic ability in the synthesis reaction of pyran derivatives and 2-benzylidenemalononitrile derivatives. Product 2-amino-7,7-dimethyl-4-(4-nitrophenyl)-5-oxo-5,6,7,8-tetrahydrobenzo[b]pyran 4e was achieved in 97% yield with a TON of 129.3 and a TOF of 646.6 h-1 and product 2-(4-cyanobenzylidene)malononitrile 3j was achieved in 96% yield with a TON of 128 and a TOF of 984.6 h-1. In addition, the synthesized nanocatalyst was easily separated from the reaction mixture by a magnet and used 7 consecutive times without significant loss of catalytic activity. Also, leaching of copper metal from the synthesized nanocatalyst was very insignificant for this reaction.
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Affiliation(s)
- Masoud Karimi
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
| | - Ali Ramazani
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
- Department of Biotechnology, Research Institute of Modern Biological Techniques (RIMBT), University of Zanjan Zanjan 45371-38791 Iran
| | - Sami Sajjadifar
- Department of Chemistry, Payame Noor University PO BOX 19395-4697 Tehran Iran
| | - Sobhan Rezayati
- Department of Chemistry, Faculty of Science, University of Zanjan Zanjan 45371-38791 Iran
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Rezayati S, Kalantari F, Ramazani A, Sajjadifar S, Aghahosseini H, Rezaei A. Magnetic Silica-Coated Picolylamine Copper Complex [Fe 3O 4@SiO 2@GP/Picolylamine-Cu(II)]-Catalyzed Biginelli Annulation Reaction. Inorg Chem 2021; 61:992-1010. [PMID: 34962386 DOI: 10.1021/acs.inorgchem.1c03042] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An efficient and heterogeneous novel magnetic silica-coated picolylaminecopper complex [Fe3O4@SiO2@GP/Picolylamine-Cu(II)] was synthesized, characterized, and employed as a magnetically recoverable nanocatalyst in Biginelli condensation for the preparation of biologically active 3,4-dihydropyrimidinones. Fe3O4@SiO2@GP/Picolylamine-Cu(II) was synthesized easily using chemical attachment of the picolylaminecompound on Fe3O4@SiO2@GP, followed by treatment with copper salt in ethanol under reflux conditions. Fe3O4@SiO2@GP/Picolylamine-Cu(II) was affirmed by various analyses such as Fourier transform infrared, thermogravimetric analysis, X-ray diffraction, vibrating-sample magnetometry, field-emission scanning electron microscopy, transmission electron microscopy, DLS, inductively coupled plasma, energy-dispersive X-ray spectrometry, X-ray photoelectron spectroscopy, and Brunauer-Emmett-Teller. The resulting catalyst system was successfully used in the Biginelli reaction through a variety of compounds such as aromatic aldehyde, urea, and ethyl acetoacetate under solvent-free conditions or ethylene glycol at 80 °C and yielded the desired products with high conversions with powerful reusability. The current approach was convenient and clean, and only 0.01 g of the catalyst could be used to perform the reaction. The easy work-up procedure, gram-scale synthesis, usage of nontoxic solvent, improved yield, short reaction times, and high durability of the catalyst are several remarkable advantages of the current approach. Also, the Fe3O4@SiO2@GP/Picolylamine-Cu(II) nanocatalyst could be recycled by an external magnet for eight runs with only a significant loss in the product yields.
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Affiliation(s)
- Sobhan Rezayati
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Fatemeh Kalantari
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Ali Ramazani
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran.,Department of Biotechnology, Research Institute of Modern Biological Techniques (RIMBT), University of Zanjan, Zanjan 45371-38791, Iran
| | - Sami Sajjadifar
- Department of Chemistry, Payame Noor University, P.O. Box, Tehran 19395-4697, Iran
| | - Hamideh Aghahosseini
- Department of Chemistry, Faculty of Science, University of Zanjan, Zanjan 45371-38791, Iran
| | - Aram Rezaei
- Nano Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 6715847141, Iran
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Rezayati S, Ramazani A, Sajjadifar S, Aghahosseini H, Rezaei A. Design of a Schiff Base Complex of Copper Coated on Epoxy-Modified Core-Shell MNPs as an Environmentally Friendly and Novel Catalyst for the One-Pot Synthesis of Various Chromene-Annulated Heterocycles. ACS OMEGA 2021; 6:25608-25622. [PMID: 34632217 PMCID: PMC8495884 DOI: 10.1021/acsomega.1c03672] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Indexed: 05/04/2023]
Abstract
An ecofriendly inorganic-organic hybrid and novel Schiff base complex of copper coated on epoxy-modified Fe3O4@SiO2 MNPs was successfully designed and prepared from readily available chemicals. In this method, a Schiff base complex as a linker is utilized to protect copper nanoparticles to the core-shell Fe3O4 exterior without agglomeration. The resulted Schiff base complex of copper coated on epoxy-modified Fe3O4@SiO2 MNPs was characterized and confirmed via different analyses such as FT-IR, TGA, XRD, VSM, FE-SEM, TEM, ICP, EDX, and BET. The novel catalyst was examined for the synthesis of various chromene-annulated heterocycles through the one-pot three component reaction of aromatic aldehydes, various phenols (2-hydroxynaphthalene-1,4-dione/resorcinol/β-naphthol), and malononitrile in ethanol at reflux conditions. This method includes important aspects like no usage of column chromatography, very short reaction times, simplicity of product isolation using ethanol, excellent yields, simple procedures, and magnetic recoverability of the catalyst. All in all, our method makes a novel and significant advancement in the synthesis of various chromene-annulated heterocycles.
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Affiliation(s)
- Sobhan Rezayati
- Department
of Chemistry, Faculty of Science, University
of Zanjan, Zanjan 45371-38791, Iran
| | - Ali Ramazani
- Department
of Chemistry, Faculty of Science, University
of Zanjan, Zanjan 45371-38791, Iran
- Department
of Biotechnology, Research Institute of Modern Biological Techniques
(RIMBT), University of Zanjan, Zanjan 45371-38791, Iran
| | - Sami Sajjadifar
- Department
of Chemistry, Payame Noor University, PO BOX 19395-4697 Tehran, Iran
| | - Hamideh Aghahosseini
- Department
of Chemistry, Faculty of Science, University
of Zanjan, Zanjan 45371-38791, Iran
| | - Aram Rezaei
- Nano
Drug Delivery Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah 1673-67145, Iran
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Metal-based Lewis acid catalysts for conversion of a variety of aldehydes with acetic anhydride to gem 1,1-diacetates. RESEARCH ON CHEMICAL INTERMEDIATES 2020. [DOI: 10.1007/s11164-020-04176-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Koszelewski D, Ostaszewski R. The studies on chemoselective promiscuous activity of hydrolases on acylals transformations. Bioorg Chem 2019; 93:102825. [DOI: 10.1016/j.bioorg.2019.02.050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 02/17/2019] [Accepted: 02/22/2019] [Indexed: 12/27/2022]
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N-Propylsulfamic acid supported onto magnetic Fe3O4 nanoparticles (MNPs-PSA) as a green and reusable heterogeneous nanocatalyst for the chemoselective preparation and deprotection of acylals. RESEARCH ON CHEMICAL INTERMEDIATES 2017. [DOI: 10.1007/s11164-017-3014-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Rezayati S, Salehi E, Hajinasiri R, Afshari Sharif Abad S. Acetic acid functionalized ionic liquid systems: An efficient and recyclable catalyst for the regioselective ring opening of epoxides with NaN 3. CR CHIM 2017. [DOI: 10.1016/j.crci.2016.07.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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A recyclable Ag Supported on Hydroxyapatite–Core–Shell Magnetic γ-Fe2O3 Nanoparticles (γ-Fe2O3@HAp-Ag NPs): an Environmentally Benign and Magnetically Catalyst for the Oxidation of Sulfides to Sulfoxides. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION A-SCIENCE 2017. [DOI: 10.1007/s40995-017-0242-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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1-(1-Alkylsulfonic)-3-methylimidazolium chloride as a reusable Brønsted acid catalyst for the regioselective azidolysis of epoxides under solvent-free conditions. CHINESE CHEM LETT 2016. [DOI: 10.1016/j.cclet.2016.02.015] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Rezayati S, Abbasi Z, Nezhad ER, Hajinasiri R, Farrokhnia A. Three-component synthesis of pyrano[2,3-d]pyrimidinone derivatives catalyzed by Ni2+ supported on hydroxyapatite-core–shell-γ-Fe2O3 nanoparticles in aqueous medium. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-016-2555-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Rostami A, Tahmasbi B, Abedi F. Supported N-propylsulfamic acid onto Fe3O4 magnetic nanoparticles as a reusable and efficient nanocatalyst for the protection/deprotection of hydroxyl groups and protection of aldehydes. RESEARCH ON CHEMICAL INTERMEDIATES 2016. [DOI: 10.1007/s11164-015-2239-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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