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Ahadi N, Mobinikhaledi A, Ebrahimi AH. Zn complexed on hybrid manganese doped cobalt ferrite nanoparticles covered by silica as a catalyst in the synthesis of 2-amino-4 H-pyran and N- arylquinoline derivatives. Heliyon 2024; 10:e30620. [PMID: 38765097 PMCID: PMC11098855 DOI: 10.1016/j.heliyon.2024.e30620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2024] [Revised: 04/27/2024] [Accepted: 04/30/2024] [Indexed: 05/21/2024] Open
Abstract
In the present work, Zn complexed on hybrid manganese doped cobalt ferrite nanoparticles covered by silica were synthesized. These MNPs were characterized using different techniques including Fourier-transform infrared spectroscopy (FT-IR), X-ray diffraction analysis (XRD), Field emission-scanning electron micro-scope (FE-SEM), Energy-dispersive X-ray spectroscopy (EDS), Vibration sample magnetometer (VSM), Inductively coupled plasma atomic emission spectroscopy (ICP), Zeta potential and Thermogravimetric analysis (TGA). FE-SEM Images showed uniform spherical shape with rough surfaces and an aggregation in structure of MNPs. A decrease in Ms is visible in VSM analysis due to the increase in particle diameter as a result of loading the organic coating on the surface of the magnetic nanoparticles. According to TGA analysis, the synthesized MNPs have good stability up to 125 °C. The ICP analysis indicates the presence of 0.13 mmol/g zinc on the surface of loaded MNPs. The effect of these prepared MNPs as a catalyst was studied in the synthesis of 2-amino-4H-pyran and N- arylquinoline derivatives. This method provides excellent yield of products with short reaction time, simple purification and easy separation of the catalyst. Furthermore, the reusability of the catalyst during five periods was not associated with a significant decrease in its activity.
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Affiliation(s)
- Najmieh Ahadi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran
| | - Akbar Mobinikhaledi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran
- Institute of Nanosciences and Nanotechnology, Arak University, Arak, Iran
| | - Amir Hossain Ebrahimi
- Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-88138, Iran
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Maurya MR, Kumar N, Avecilla F. Controlled Modification of Triaminoguanidine-Based μ 3 Ligands in Multinuclear [V IVO]/[V VO 2] Complexes and Their Catalytic Potential in the Synthesis of 2-Amino-3-cyano-4 H-pyrans/4 H-chromenes. Inorg Chem 2024; 63:2505-2524. [PMID: 38243891 DOI: 10.1021/acs.inorgchem.3c03704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2024]
Abstract
Reaction of tris(2-hydroxybenzylidene)-triaminoguanidinium chloride (I·HCl) and tris(5-bromo-2-hydroxybenzylidene)-triaminoguanidinium chloride (II·HCl) with [VIVO(acac)2] (1:1 molar ratio) in refluxing methanol resulted in mononuclear [VIVO] complexes, [VIVO(H2L1')(MeOH)] (1) and [VIVO(H2L2')(MeOH)] (2), respectively, where I and II undergo intramolecular triazole ring formation. Aerial oxidation of 1 and 2 in MeOH in the presence of Cs2CO3 gave corresponding cis-[VVO2] complexes Cs[(VO2)(H2L1')] (3) and Cs[(VO2)(H2L2')] (4). However, reaction of an aerially oxidized methanolic solution of [VIVO(acac)2] with I·HCl and II·HCl in the presence of Cs2CO3 (in 1:1:1 molar ratio) gave mononuclear complexes Cs[(VO2)(H3L1)] (5) and Cs[(VO2)(H3L2)] (6) without intramolecular triazole ring formation. Similar anionic trinuclear complexes Cs2[(VO2)3(L1)] (7) and Cs2[(VO2)3(L2)] (8) were isolable upon increasing the amounts of the vanadium precursor and Cs2CO3 to 3 equiv to the reaction applied for 5 and 6. Keeping the reaction mixture of 1 in MeOH under air gave [VVO(H2L1')(OMe)] (9). Structures of 3, 7, 8, and 9 were confirmed by X-ray crystal structure study. A permanent porosity in the crystalline metal-organic framework of 7 confirmed by single-crystal X-ray investigation was further verified by the BET study. Along with a suitable reaction mechanism, these synthesized compounds were explored as effective catalysts for the synthesis of biomolecules 4H-pyran/4H-chromenes.
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Affiliation(s)
- Mannar R Maurya
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Naveen Kumar
- Department of Chemistry, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Fernando Avecilla
- Universidade da Coruña, Grupo NanoToxGen, Centro Interdisciplinar de Química y Biología (CICA), Departamento de Química, Facultade de Ciencias, Campus de A Coruña, 15071A Coruña, Spain
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Kumar PV, Madhumitha G. Clay based heterogeneous catalysts for carbon-nitrogen bond formation: a review. RSC Adv 2024; 14:4810-4834. [PMID: 38318622 PMCID: PMC10840681 DOI: 10.1039/d3ra06358e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 01/10/2024] [Indexed: 02/07/2024] Open
Abstract
Clay and modified clay-based catalysts are widely used in organic transformation. Owing to the interlayer ions and good ion exchange capacity of clay, replacement with another ion and incorporation of different nanomaterials can be done. Due to these significant properties of clay, it can be utilized in the synthesis of various organic compounds. Carbon-nitrogen bonded compounds possess diverse applications in different fields. These compounds are prepared using different solid acid heterogeneous catalysts. This review presents a detailed discussion on clay used for the carbon-nitrogen bond formation reaction, such as the Biginelli reaction and A3 and KA2 coupling reactions. Additionally, other C-N bond formation reactions using various clay-based catalysts such as bentonite, montmorillonite, hydrotalcite and halloysite clay with various metals, metal oxides, Kegging type heteropoly acid and various nanomaterial incorporated clay heterogeneous catalysts are discussed.
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Affiliation(s)
- P Vinoth Kumar
- Chemistry of Heterocycles & Natural Product Research Laboratory, Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore Tamilnadu India
| | - G Madhumitha
- Chemistry of Heterocycles & Natural Product Research Laboratory, Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore Tamilnadu India
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Maddila S, Kerru N, Jonnalagadda SB. Recent Progress in the Multicomponent Synthesis of Pyran Derivatives by Sustainable Catalysts under Green Conditions. Molecules 2022; 27:6347. [PMID: 36234888 PMCID: PMC9571218 DOI: 10.3390/molecules27196347] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 12/03/2022] Open
Abstract
Pyrans are one of the most significant skeletons of oxygen-containing heterocyclic molecules, which exhibit a broad spectrum of medicinal applications and are constituents of diverse natural product analogues. Various biological applications of these pyran analogues contributed to the growth advances in these oxygen-containing molecules. Green one-pot methodologies for synthesising these heterocyclic molecules have received significant attention. This review focuses on the recent developments in synthesising pyran ring derivatives using reusable catalysts and emphasises the multicomponent reaction strategies using green protocols. The advantages of the catalysts in terms of yields, reaction conditions, and recyclability are discussed.
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Affiliation(s)
- Suresh Maddila
- Department of Chemistry, GITAM School of Sciences, GITAM University, Visakhapatnam 530045, Andhra Pradesh, India
- School of Chemistry & Physics, University of KwaZulu-Natal, Westville Campus, Chiltern Hills, Durban 4000, South Africa
| | - Nagaraju Kerru
- School of Chemistry & Physics, University of KwaZulu-Natal, Westville Campus, Chiltern Hills, Durban 4000, South Africa
- Department of Chemistry, GITAM School of Science, GITAM University, Bengaluru Campus, Bengaluru 561203, Karnataka, India
| | - Sreekantha Babu Jonnalagadda
- School of Chemistry & Physics, University of KwaZulu-Natal, Westville Campus, Chiltern Hills, Durban 4000, South Africa
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Jadhav CK, Nipate AS, Chate AV, Gill CH. β‐Cyclodextrin: An Efficient Supramolecular Catalyst for the Synthesis of Pyranoquinolines Derivatives under Ultrasonic Irradiation in Water. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2021.1886125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Chetan K. Jadhav
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, 431004, India
| | - Amol S. Nipate
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, 431004, India
| | - Asha V. Chate
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, 431004, India
| | - Charansingh. H. Gill
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra, 431004, India
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Aher DS, Khillare KR, Chavan LD, Shelke VA, Shankarwar SG. A simple and efficient protocol for the synthesis of quinoxaline derivatives using recyclable H 5PW 6Mo 4V 2O 40·14H 2O catalyst. SYNTHETIC COMMUN 2022. [DOI: 10.1080/00397911.2022.2093645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Dipak S. Aher
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | - Kiran R. Khillare
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | | | - Vinod A. Shelke
- Indraraj Arts, Commerce and Science College, Aurangabad, India
| | - Sunil G. Shankarwar
- Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India
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H3PMo7W5O40·24H2O catalyzed access to fused pyrazolopyranopyrimidine derivatives via one-pot multicomponent synthesis: green chemistry. MONATSHEFTE FUR CHEMIE 2021. [DOI: 10.1007/s00706-021-02868-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Khillare KR, Aher DS, Chavan LD, Shankarwar SG. Cesium salt of 2-molybdo-10-tungstophosphoric acid as an efficient and reusable catalyst for the synthesis of uracil derivatives via a green route. RSC Adv 2021; 11:33980-33989. [PMID: 35497278 PMCID: PMC9042351 DOI: 10.1039/d1ra05190c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/04/2021] [Indexed: 12/28/2022] Open
Abstract
A solid catalyst, cesium salt of 2-molybdo-10-tungstophosphoric acid (Cs2.3H0.7PW10Mo2O40) named as Cs-3, was synthesized by a simple, cheap, clean, and eco-friendly method. The physicochemical properties of the synthesized catalyst were studied via FTIR spectroscopy, XRD, EDX, ICP-AES, SEM-TEM, and BET techniques. The precursor 2-molybdo-10-tungstophosphoric acid (H3PW10Mo2O40) was easily soluble in water and other polar solvents. Moreover, their cesium salts Cs x H3-x PW10Mo2 with Cs content in the range x = 2.0-2.5 were insoluble in water and other polar solvents. The surface area of the precursor (5.483 m2 g-1) increased after partial proton exchange by Cs+ ions (111.732 m2 g-1), and all samples with x > 1 were resistant to leaching of active components and can be recycled without obvious loss of activity. This catalyst used for the synthesis of uracil derivatives via a green route under solvent free conditions at 70 °C gives higher yield within a shorter reaction time. The catalyst was found to be more active and reusable over nine runs with a negligible loss of activity.
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Affiliation(s)
- Kiran R Khillare
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431 004 Maharashtra India
| | - Dipak S Aher
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431 004 Maharashtra India
| | - Laxmikant D Chavan
- Jawaharlal Nehru Engineering College Aurangabad 431003 Maharashtra India
| | - Sunil G Shankarwar
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431 004 Maharashtra India
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Aher DS, Khillare KR, Shankarwar SG. Incorporation of Keggin-based H 3PW 7Mo 5O 40 into bentonite: synthesis, characterization and catalytic applications. RSC Adv 2021; 11:11244-11254. [PMID: 35423621 PMCID: PMC8695863 DOI: 10.1039/d1ra01179k] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 02/26/2021] [Indexed: 11/21/2022] Open
Abstract
The Keggin-based molybdo-substituted tungstophosphoric acid, H3[PW7Mo5O40]·12H2O, were synthesized and incorporated with a bentonite clay by using a wetness impregnation method. The catalysts were characterized using several methods, such as inductively coupled plasma-atomic emission spectroscopy (ICP-AES), Fourier transform infrared spectroscopy (FT-IR), X-ray diffractometry (XRD), scanning electron microscopy energy-dispersive X-ray spectroscopy (SEM-EDS), transmission electron microscopy (TEM), and thermogravimetric and differential thermal analysis (TG-DTA). This extremely active catalytic system provides a green strategy for the synthesis of 1,8-dioxo-octahydroxanthene and 1,8-dioxo-decahydroacridine derivatives under solvent free conditions at 80 °C with a good reaction mass efficiency, effective mass yield, and excellent atom economy. Both the surface acidity and catalytic activity sharply increased after H3[PW7Mo5O40]·12H2O was impregnated with bentonite clay. In addition, the PW7Mo5/bentonite catalyst can be conveniently recovered and reused numerous times without demonstrating a significant loss in activity.
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Affiliation(s)
- Dipak S Aher
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 MS India
| | - Kiran R Khillare
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 MS India
| | - Sunil G Shankarwar
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431004 MS India
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Aher DS, Khillare KR, Chavan LD, Shankarwar SG. Tungsten-substituted molybdophosphoric acid impregnated with kaolin: effective catalysts for the synthesis of 3,4-dihydropyrimidin-2(1 H)-ones v ia biginelli reaction. RSC Adv 2021; 11:2783-2792. [PMID: 35424238 PMCID: PMC8693839 DOI: 10.1039/d0ra09811f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/04/2021] [Indexed: 11/21/2022] Open
Abstract
A series of highly reusable heterogeneous catalysts (10-25 wt% PMo7W5/kaolin), consisting of tungsten-substituted molybdophosphoric acid, H3PMo7W5O40·24H2O (PMo7W5) impregnated with acid treated kaolin clay was synthesized by the wetness impregnation method. The newly synthesized catalyst was fully characterized using inductively coupled plasma-atomic emission spectroscopy (ICP-AES), Fourier transform infrared (FT-IR), powder X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), transmission electron microscopy (TEM), Brunauer-Emmett-Teller (BET) analysis and thermal analysis (TG-DTA). The synthesized materials were shown to be efficient in the synthesis of 3,4-dihydropyrimidin-2(1H)-ones via Biginelli reaction under solvent-free conditions. The obtained results indicate that 20% PMo7W5/kaolin catalyst showed remarkably enhanced catalytic activity compared to the bulk PMo7W5 catalyst, and also the (10 and 15%) PMo7W5 catalyst supported on kaolin clay.
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Affiliation(s)
- Dipak S Aher
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431 004 M.S. India
| | - Kiran R Khillare
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431 004 M.S. India
| | | | - Sunil G Shankarwar
- Department of Chemistry, Dr Babasaheb Ambedkar Marathwada University Aurangabad 431 004 M.S. India
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C. Malakar C, Singh V, Kumar V, Singh D, Gujjarappa R. Efficient Approach towards the Polysubstituted 4H-Pyran Hybrid Quinolone Derivatives and Subsequent Copper-Catalyzed Hydroxylation of Haloarenes. HETEROCYCLES 2021. [DOI: 10.3987/com-20-14383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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