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Shakib P, Dekamin MG, Valiey E, Karami S, Dohendou M. Ultrasound-Promoted preparation and application of novel bifunctional core/shell Fe 3O 4@SiO 2@PTS-APG as a robust catalyst in the expeditious synthesis of Hantzsch esters. Sci Rep 2023; 13:8016. [PMID: 37198267 DOI: 10.1038/s41598-023-33990-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 04/21/2023] [Indexed: 05/19/2023] Open
Abstract
In this work, D-(-)-α-phenylglycine (APG)-functionalized magnetic nanocatalyst (Fe3O4@SiO2@PTS-APG) was designed and successfully prepared in order to implement the principles of green chemistry for the synthesis of polyhydroquinoline (PHQ) and 1,4-dihydropyridine (1,4-DHP) derivatives under ultrasonic irradiation in EtOH. After preparing of the nanocatalyst, its structure was confirmed by different spectroscopic methods or techniques including Fourier transform infrared (FTIR) spectroscopy, energy-dispersive X-ray spectroscopy (EDS), field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), vibrating sample magnetometer (VSM) and thermal gravimetric analysis (TGA). The performance of Fe3O4@SiO2@PTS-APG nanomaterial, as a heterogeneous catalyst for the Hantzsch condensation, was examined under ultrasonic irradiation and various conditions. The yield of products was controlled under various conditions to reach more than 84% in just 10 min, which indicates the high performance of the nanocatalyst along with the synergistic effect of ultrasonic irradiation. The structure of the products was identified by melting point as well as FTIR and 1H NMR spectroscopic methods. The Fe3O4@SiO2@PTS-APG nanocatalyst is easily prepared from commercially available, lower toxic and thermally stable precursors through a cost-effective, highly efficient and environmentally friendly procedure. The advantages of this method include simplicity of the operation, reaction under mild conditions, the use of an environmentally benign irradiation source, obtaining pure products with high efficiency in short reaction times without using a tedious path, which all of them address important green chemistry principles. Finally, a reasonable mechanism is proposed for the preparation of polyhydroquinoline (PHQ) and 1,4-dihydropyridine (1,4-DHP) derivatives in the presence of Fe3O4@SiO2@PTS-APG bifunctional magnetic nanocatalyst.
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Affiliation(s)
- Peyman Shakib
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 1684613114, Iran
| | - Mohammad G Dekamin
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 1684613114, Iran.
| | - Ehsan Valiey
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 1684613114, Iran
| | - Shahriar Karami
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 1684613114, Iran
| | - Mohammad Dohendou
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 1684613114, Iran
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de Oliveira WL, de Oliveira EF, da Cruz TDS, Batista WVFDC, Moraes C, Pereira FV, Forim MR, Atta Diab GA, Teixeira IF, Pereira MC, de Mesquita JP. Preparation and Characterization of a Coordination Polymer Based on Iron (III)-Cyamelurate as a Superior Catalyst for Heterogeneous Fenton-Like Processes. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:5002-5011. [PMID: 36989403 DOI: 10.1021/acs.langmuir.2c03496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/19/2023]
Abstract
We report on a new iron (iii)-cyamelurate-based coordination polymer. The new material based on a heptazine derivative was prepared in aqueous medium and characterized by a variety of techniques including TGA, FTIR, XRD, HRTEM, and STEM. Due to the high structural stability of the complex in aqueous media, its heterogeneous Fenton-like catalytic activity was evaluated using a model molecule. The results obtained showed a high catalytic activity in both in basic and acid media. The pseudo-first-order rate constants normalized by iron(III) concentrations was approximately 1000 times higher than the result obtained for traditional heterogeneous catalysts based on iron(III) oxyhydroxides. The best observed catalytic activities were attributed to the increase in the binding sites of Fe3+ ions, in parallel with the increased exposure of the catalytic sites, leading to a higher atomic efficiency of the reaction.
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Affiliation(s)
- Wanessa Lima de Oliveira
- Department of Chemistry, Federal University of Jequitinhonha and Mucuri Valleys, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG CEP 39100-000, Brazil
| | - Eduarda Ferreira de Oliveira
- Department of Chemistry, Federal University of Jequitinhonha and Mucuri Valleys, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG CEP 39100-000, Brazil
| | - Taís Dos Santos da Cruz
- Department of Chemistry, Federal University of Jequitinhonha and Mucuri Valleys, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG CEP 39100-000, Brazil
| | - Walker Vinícius Ferreira do Carmo Batista
- Department of Chemistry, Federal University of Jequitinhonha and Mucuri Valleys, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG CEP 39100-000, Brazil
| | - Carlos Moraes
- Department of Chemistry, Federal University of São Carlos. Rod. Washington Luís km 235 - SP-310, São Carlos, SP CEP 13565-905, Brazil
| | - Fabiano Vargas Pereira
- Department of Chemistry, Federal University of Minas Gerais. Av. Antônio Carlos, 6627 - Pampulha - Belo Horizonte, MG CEP 31270-901, Brazil
| | - Moacir Rossi Forim
- Department of Chemistry, Federal University of São Carlos. Rod. Washington Luís km 235 - SP-310, São Carlos, SP CEP 13565-905, Brazil
| | - Gabriel Ali Atta Diab
- Department of Chemistry, Federal University of São Carlos. Rod. Washington Luís km 235 - SP-310, São Carlos, SP CEP 13565-905, Brazil
| | - Ivo Freitas Teixeira
- Department of Chemistry, Federal University of São Carlos. Rod. Washington Luís km 235 - SP-310, São Carlos, SP CEP 13565-905, Brazil
| | - Marcio Cesar Pereira
- Instituto de Ciência, Engenharia e Tecnologia, Federal University of Jequitinhonha and Mucuri Valleys, Rua do Cruzeiro, n° 01, Bairro Jardim São Paulo, Teófilo Otoni, MG CEP 39803-371, Brazil
| | - João Paulo de Mesquita
- Department of Chemistry, Federal University of Jequitinhonha and Mucuri Valleys, Rodovia MGT 367 - Km 583, n° 5000, Alto da Jacuba, Diamantina, MG CEP 39100-000, Brazil
- Department of Chemistry, Federal University of São Carlos. Rod. Washington Luís km 235 - SP-310, São Carlos, SP CEP 13565-905, Brazil
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Multicomponent Synthesis of Unsymmetrical Derivatives of 4-Methyl-Substituted 5-Nitropyridines. Processes (Basel) 2023. [DOI: 10.3390/pr11020576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
The multicomponent reaction of 2-nitroacetophenone (or nitroacetone), acetaldehyde diethyl acetal, β-dicarbonyl compound, and ammonium acetate in an acetic acid solution allowed the acquisition of previously undescribed 4-methyl-substituted derivatives of 5-nitro-1,4-dihydropyridine in satisfactory yields. The oxidation of the obtained 5-nitro-1,4-dihydropyridine derivatives resulted in the corresponding 2,4-dimethyl-5-nitropyridines. In addition, for the first time in the synthesis of unsymmetrical 1,4-dihydropyridines by the Hantzsch reaction acetaldehyde, diethyl acetal was used as a source of acetaldehyde. The use of more volatile and sufficiently reactive acetaldehyde in this reaction did not lead to a controlled synthesis of unsymmetrical 5-nitro-1,4-dihydropyridines. The proposed multicomponent approach to the synthesis of 4-methyl-substituted 5-nitro-1,4-dihydropyridines and their subsequent aromatization into pyridines made it possible to obtain previously undescribed and hardly accessible substituted 5(3)-nitropyridines.
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Fe 3O 4/SiO 2 decorated trimesic acid-melamine nanocomposite: a reusable supramolecular organocatalyst for efficient multicomponent synthesis of imidazole derivatives. Sci Rep 2023; 13:401. [PMID: 36624142 PMCID: PMC9829914 DOI: 10.1038/s41598-023-27408-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 01/02/2023] [Indexed: 01/11/2023] Open
Abstract
This article describes supramolecular Fe3O4/SiO2 decorated trimesic acid-melamine (Fe3O4/SiO2-TMA-Me) nanocomposite that can be prepared with features that combine properties of different materials to fabricate a structurally unique hybrid material. In particular, we have focused on design, synthesis and evaluation a heterogeneous magnetic organocatalyst containing acidic functional-groups for the synthesis of biologically important imidazole derivatives in good to excellent yields. The introduced Fe3O4/SiO2-TMA-Me nanomaterial was characterized by different techniques such as FTIR, XRD, EDX, FESEM, TEM, TGA and DTA. As a noteworthy point, the magnetic catalytic system can be recycled and reused for more than seven consecutive runs while its high catalytic activity remains under the optimized conditions.
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Preparation and application of ZnFe2O4@SiO2–SO3H, as a novel heterogeneous acidic magnetic nanocatalyst for the synthesis of tetrahydrobenzo[b]pyran and 2,3-dihydroquinazolin-4(1H)-one derivative. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04890-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Taghizadeh A, Noroozi Pesyan N, Alamgholiloo H, Sheykhaghaei G. Immobilization of Nickel on Kryptofix 222 Modified Fe
3
O
4
@PEG Core‐Shell Nanosphere for the Clean Synthesis of 2‐Aryl‐2,3‐dihydroquinazolin‐4(1
H
)‐ones. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Akram Taghizadeh
- Department of Organic Chemistry, Faculty of Chemistry Urmia University 57159 Urmia Iran
| | - Nader Noroozi Pesyan
- Department of Organic Chemistry, Faculty of Chemistry Urmia University 57159 Urmia Iran
| | - Hassan Alamgholiloo
- Department of Organic Chemistry, Faculty of Chemistry Urmia University 57159 Urmia Iran
| | - Golaleh Sheykhaghaei
- Department of Chemistry, Science and Research Branch Islamic Azad University Tehran Iran
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