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Zhao L, Wang M, Zhang L, Sadeghzadeh SM. Impact of chitosan extracted from shrimp shells on the shrinkage and mechanical properties of cement-based composites using dendritic fibrous nanosilica. Heliyon 2024; 10:e31576. [PMID: 38832282 PMCID: PMC11145228 DOI: 10.1016/j.heliyon.2024.e31576] [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: 02/21/2024] [Revised: 04/12/2024] [Accepted: 05/19/2024] [Indexed: 06/05/2024] Open
Abstract
Dendritic fibrous nanosilica (DFNS) was functionalized using microcrystalline chitosan, derived from shrimp exoskeletons, to act as a robust anchor, resulting in DFNS@Chitosan. In order to prevent the restacking of chitosan sheets, the supramolecular polymerized chitosan not only served as a spacer but was also incorporated into cement-based composites. The physical-chemical characteristics of DFNS@Chitosan were assessed through various analytical techniques such as TEM, SEM, TGA, FTIR, AFM, XPS, and EDX. The potency and auto-induced contraction of Cement-based composite materials fortified with DFNS@Chitosan were probed. The incorporation of DFNS@Chitosan resulted in an increase in both compressive and interfacial stretching potency of the cement-based composites. Furthermore, the presence of DFNS@Chitosan effectively inhibited the occurrence of auto-induced contraction in the cement-based paste. This research endeavor is anticipated to promote an alternative utilization of DFNS and shrimp waste shells in the development of sustainable building materials.
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Affiliation(s)
- Liyuan Zhao
- School of Civil Engineering and Architecture, XinXiang University, XinXiang, 453003, China
| | - Man Wang
- School of Civil and Architectural Engineering, Zhengzhou University of Science and Technology, Zhengzhou, 450064, China
| | - Liwei Zhang
- School of Civil Engineering and Architecture, XinXiang University, XinXiang, 453003, China
| | - Seyed Mohsen Sadeghzadeh
- Department of chemistry, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
- New Materials Technology and Processing Research Center, Neyshabur Branch, Islamic Azad University, Neyshabur, Iran
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2
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El Hallaoui A, Merroun Y, Chehab S, Boukhris S, Hassoune H, Ghailane R, Souizi A. Efficient synthesis of symmetrically substituted pyridines and substituted alkenes through green and heterogeneous catalysis with zinc phosphate. Org Biomol Chem 2023; 21:6368-6378. [PMID: 37491970 DOI: 10.1039/d3ob00634d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/27/2023]
Abstract
This study presents a new environmentally sustainable catalytic method for the synthesis of symmetrically substituted pyridine derivatives and substituted alkene derivatives using zinc phosphate (Zn3(PO4)2·4H2O) as a non-toxic and green heterogeneous catalyst. The catalytic support was prepared by a co-precipitation method, and it was applied for the first time as a heterogeneous catalyst in organic synthesis. Trisubstituted pyridine derivatives were prepared with excellent yields (82-94%) via a three-component, one-pot synthesis of aromatic aldehydes, substituted acetophenones, and ammonium acetate in the presence of 0.4 mol% of Zn3(PO4)2·4H2O using an ethanol/water (4/1) mixture as the solvent, while substituted alkenes were synthesized with up to 90% yield using the prepared catalyst. The experimental results demonstrate the efficiency of these new catalytic syntheses that present various advantages such as short reaction times, excellent yields, and an environmentally friendly profile.
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Affiliation(s)
- Achraf El Hallaoui
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Youssef Merroun
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Soukaina Chehab
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Said Boukhris
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Hicham Hassoune
- Department of Chemical and Biochemical Sciences (CBS), Mohammed VI Polytechnic University (UM6P), Hay Moulay Rachid, Ben Guerir, 43150, Morocco
| | - Rachida Ghailane
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
| | - Abedelaziz Souizi
- Organic, Inorganic Chemistry, Electrochemistry, and Environment Laboratory, University of Ibn Tofail, Faculty of Sciences, Po Box 133, 14000 Kenitra, Morocco.
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Sadjadi S, Heydari A. Palladated Cyclodextrin Nanosponge-Alginate Dual Bead as an Efficient Catalyst for Hydrogenation of Nitroarenes in Aqueous Solution. Polymers (Basel) 2023; 15:3240. [PMID: 37571132 PMCID: PMC10422427 DOI: 10.3390/polym15153240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
In this study, we present a novel composite material consisting of β-cyclodextrin nanosponge and sodium alginate, used as a support for the immobilization of palladium (Pd) nanoparticles. The composite alginate-cyclodextrin nanosponge beads were prepared, taking advantage of the 3D polymeric network and β-cyclodextrin cavity of the nanosponge. These beads exhibited excellent encapsulation capabilities for hydrophobic substrates, allowing their transfer in aqueous media. The cyclodextrin nanosponge served as a stabilizer for Pd nanoparticles and facilitated phase transfer. Additionally, the sodium alginate bead contributed to the robustness of the structure and improved the recovery and recyclability of the composite material. Comparative studies with control catalysts confirmed the beneficial effect of incorporating cyclodextrin nanosponge within alginate beads, particularly for more hydrophobic substrates. Optimization of reaction conditions revealed that employing 0.03 g of catalyst per mmol of nitroarene at 45 °C resulted in the maximum yield within 90 min. Evaluation of the substrate scope demonstrated the hydrogenation capability of various substrates with different electronic properties under the developed protocol. Notably, the nitro group was selectively reduced in substrates featuring competing functionalities. Furthermore, the recyclability and stability of the composite catalyst were confirmed, making it a promising candidate for sustainable catalysis.
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Affiliation(s)
- Samahe Sadjadi
- Gas Conversion Department, Faculty of Petrochemicals, Iran Polymer and Petrochemical Institute, P.O. Box 14975-112, Tehran 14977-13115, Iran
| | - Abolfazl Heydari
- Polymer Institute of the Slovak Academy of Sciences, Dúbravská cesta 9, 845 41 Bratislava, Slovakia;
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Naidu BR, Lakshmidevi J, Venkateswarlu K, Lakkaboyana SK. Highly economic and waste valorization strategy for multicomponent and Knoevenagel reactions using water extract of tamarind seed ash. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:71420-71429. [PMID: 35441290 DOI: 10.1007/s11356-022-20124-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 04/03/2022] [Indexed: 06/14/2023]
Abstract
The application of solid organic waste-originated products in the preparation of synthetically and biologically significant compounds in aqueous media or pure water is a highly desired task in chemical synthesis that shows an effective solution to the circular economy and sustainable environment. In this article, we describe our research on the development of highly economic and sustainable protocols for the synthesis of biologically important oxygen-heterocycles (using a multicomponent reaction) and synthetically important olefins (via the Knoevenagel condensation reaction) using water extract of tamarind seed ash (WETS) as catalyst and aqueous reaction medium. The reactions are carried out at room temperature (RT) under toxic/problematic/volatile organic solvent-free conditions. Products of the current methods have been purified by using recrystallization technique. WETS was characterized from its FTIR, powder XRD, SEM, and EDAX data. Problematic and non-renewable solvents were avoided throughout the process from their synthesis to purification. The utilization of solid organic waste-originated catalyst and aqueous media, avoid of non-renewable substances as catalysts, media, separation solvents and promoters, and unobligating heating conditions can surely attract the attention of chemists towards exploring the waste-based products in chemical transformations.
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Affiliation(s)
- Bandameeda Ramesh Naidu
- Laboratory for Synthetic & Natural Products Chemistry Department of Chemistry, Yogi Vemana University, Kadapa, 516005, India
| | - Jangam Lakshmidevi
- Laboratory for Synthetic & Natural Products Chemistry Department of Chemistry, Yogi Vemana University, Kadapa, 516005, India
| | - Katta Venkateswarlu
- Laboratory for Synthetic & Natural Products Chemistry Department of Chemistry, Yogi Vemana University, Kadapa, 516005, India.
| | - Sivarama Krishna Lakkaboyana
- Department of Chemistry Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology Avadi, Chennai, 600062, India
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Xia C, Jin X, Parandoust A, Sheibani R, Khorsandi Z, Montazeri N, Wu Y, Van Le Q. Chitosan-supported metal nanocatalysts for the reduction of nitroaromatics. Int J Biol Macromol 2023; 239:124135. [PMID: 36965557 DOI: 10.1016/j.ijbiomac.2023.124135] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 03/17/2023] [Accepted: 03/19/2023] [Indexed: 03/27/2023]
Abstract
The second most abundant natural polymer in the earth's crust is chitosan (CS). The unique physical, chemical, structural, and mechanical features of this natural polymer have led to its increased application in a variety of fields such as medicine, catalysis, removal of pollutants, etc. To eliminate various pollutants, it is preferable to employ natural compounds as their use aids the removal of contaminants from the environment. Consequently, employing CS to eliminate contaminants is a viable choice. For this aim, CS can be applied as a template and support for metal nanoparticles (MNPs) and prevent the accumulation of MNPs as well as a reducing and stabilizing agent for the fabrication of MNPs. Among the pollutants present in nature, nitro compounds are an important and wide category of biological pollutants. 4-Nitrophenol (4-NP) is one of the nitro pollutants. There are different ways for the removal of 4-NP, but the best and most effective method for this purpose is the application of a metallic catalyst and a reducing agent. In this review, we report the recent developments regarding CS-supported metallic (nano)catalysts for the reduction of nitroaromatics such as nitrophenols, nitroaniline compounds, nitrobenzene, etc. in the presence of reducing agents. The metals investigated in this study include Ag, Au, Ni, Cu, Ru, Pt, Pd, etc.
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Affiliation(s)
- Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Xin Jin
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Ahmad Parandoust
- Farabi Educational Institute, Moghadas Ardebili St., Mahmoodiye St., No 13, 1986743413 Tehran, Iran
| | - Reza Sheibani
- Amirkabir University of Technology-Mahshahr Campus, University St., Nahiyeh san'ati, Mahshahr, Khouzestan, Iran.
| | - Zahra Khorsandi
- Department of Chemistry, Isfahan University of Technology, Isfahan 415683111, Iran
| | - Narjes Montazeri
- Department of Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Yingji Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
| | - Quyet Van Le
- Department of Materials Science and Engineering, Institute of Green Manufacturing Technology, Korea University, 145, Anam-ro, Seongbuk-gu, Seoul 02841, Republic of Korea
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6
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Heteroployacid on the composite of boehmite and polyionic liquid as a catalyst for alcohol oxidation and tandem alcohol oxidation Knoevenagel condensation reactions. Sci Rep 2022; 12:16395. [PMID: 36180555 PMCID: PMC9525677 DOI: 10.1038/s41598-022-20699-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Accepted: 09/16/2022] [Indexed: 11/18/2022] Open
Abstract
Using boehmite as an available and low-cost natural compound, a bi-functional catalytic composite is prepared through vinyl-functionalization of boehmite, followed by polymerization with the as-prepared bis-vinylimidazolium bromide ionic liquid and supporting of phosphotungstic acid. The catalyst was characterized via ICP, XRD, TGA, FTIR, SEM/EDS and elemental mapping analysis and applied for promoting alcohol oxidation reaction and one-pot tandem alcohol oxidation/Knoevenagel condensation reaction in aqueous media under mild reaction condition. The results indicated high catalytic activity of the catalyst for both reactions. This protocol showed high generality and aliphatic, aromatic and heterocyclic alcohols could be applied as substrates to furnish the corresponding products in high to excellent yields. Furthermore, hot filtration test confirmed true heterogeneous nature of the catalysis. The catalyst could also be recovered readily and reused for at least five runs of the reaction with low loss of the activity and phosphotungstic acid leaching upon each run.
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7
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Pd on cyclotriphosphazen-hexa imine decorated boehmite as an efficient catalyst for hydrogenation of nitro arenes under mild reaction condition. Sci Rep 2022; 12:15040. [PMID: 36057643 PMCID: PMC9440888 DOI: 10.1038/s41598-022-19288-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/26/2022] [Indexed: 11/24/2022] Open
Abstract
Cyclotriphosphazen-hexa imine ligand was prepared through successive reactions of phosphonitrilchloride trimer with 4-hydroxybenzaldehyde and (3-aminopropyl) triethoxy silane. The as-prepared ligand was then covalently grafted on boehmite to furnish an efficient support for the immobilization of Pd nanoparticles and synthesis of a novel heterogeneous catalyst for hydrogenation of nitro arenes. The catalytic tests revealed that the catalyst had excellent catalytic activity for hydrogenation of various nitro arenes with different steric and electronic features under mild reaction condition in aqueous media. Noteworthy, the catalyst was highly selective and in the substrates with ketone or aldehyde functionalities, reduction of nitro group was only observed. The catalyst was also recyclable and only slight loss of activity was detected after each recycling run. Hot filtration test also approved true heterogeneous nature of catalysis.
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8
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Farrokhi Z, Sadjadi S, Raouf F, Bahri-Laleh N. Novel bio-based Pd/chitosan-perlite composite bead as an efficient catalyst for rapid decolorization of azo dye. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109734] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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9
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Chitosan-EDTA-Cellulose network as a green, recyclable and multifunctional biopolymeric organocatalyst for the one-pot synthesis of 2-amino-4H-pyran derivatives. Sci Rep 2022; 12:8642. [PMID: 35606381 PMCID: PMC9126885 DOI: 10.1038/s41598-022-10774-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Accepted: 04/13/2022] [Indexed: 12/17/2022] Open
Abstract
AbstractIn this research, cellulose grafted to chitosan by EDTA (Cs-EDTA-Cell) bio-based material is reported and characterized by a series of various methods and techniques such as FTIR, DRS-UV–Vis, TGA, FESEM, XRD and EDX analysis. In fact, the Cs-EDTA-Cell network is more thermally stable than pristine cellulose or chitosan. There is a plenty of both acidic and basic sites on the surface of this bio-based and biodegradable network, as a multifunctional organocatalyst, to proceed three-component synthesis of 2-amino-4H-pyran derivatives at room temperature in EtOH. The Cs-EDTA-Cell nanocatalyst can be easily recovered from the reaction mixture by using filtration and reused for at least five times without significant decrease in its catalytic activity. In general, the Cs-EDTA-Cell network, as a heterogeneous catalyst, demonstrated excellent catalytic activity in an environmentally-benign solvent to afford desired products in short reaction times and required simple experimental and work-up procedure compared to many protocols using similar catalytic systems.
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10
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Singh SK, Mishra N, Kumar S, Jaiswal MK, Tiwari VK. Growing Impact of Carbohydrate‐Based Organocatalysts. ChemistrySelect 2022. [DOI: 10.1002/slct.202201314] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Sumit K. Singh
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 INDIA
| | - Nidhi Mishra
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 INDIA
| | - Sunil Kumar
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 INDIA
| | - Manoj K. Jaiswal
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 INDIA
| | - Vinod K. Tiwari
- Department of Chemistry Institute of Science Banaras Hindu University Varanasi 221005 INDIA
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11
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Ortiz-Bustos J, Cruz P, Pérez Y, Hierro ID. Prolinate-based heterogeneous catalyst for Knoevenagel condensation reaction: Insights into mechanism reaction using solid-state electrochemical studies. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Hernawan, Purwono B, Triyono, Hanafi M. Amino-functionalized porous chitosan as a solid base catalyst for solvent-free synthesis of chalcones. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2022.104354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Gogoi C, Nagarjun N, Rana A, Dhakshinamoorthy A, Biswas S. Diamino group-functionalized Zr-based metal-organic framework for fluorescence sensing of free chlorine in the aqueous phase and Knoevenagel condensation. Dalton Trans 2022; 51:6964-6975. [PMID: 35452068 DOI: 10.1039/d2dt00194b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We developed a porous diamino group-functionalized Zr(IV) metal-organic framework (MOF). The synthesized MOF has a similar structure to DUT-52 (DUT = Dresden University of Technology), which has a face-centered cubic structure with an Fm3̄m space group. The synthesized material (DUT-52-(NH2)2-1) was solvent exchanged with methanol (MeOH) and activated at 100 °C overnight. Both the as-synthesized and activated materials (DUT-52-(NH2)2-1') are thermally stable until 300 °C. The Brunauer-Emmett-Teller (BET) surface area of DUT-52-(NH2)2-1' was found to be 413 m2 g-1. DUT-52-(NH2)2-1' showed a significant quenching of fluorescence response after coming in contact with free chlorine (ClO-) in an aqueous medium. The selectivity of DUT-52-(NH2)2-1' towards ClO- was not significantly hampered in the presence of any competitive ion. The limit of detection (LOD) value was found to be 0.08 μM in phosphate-buffered saline (PBS, pH = 7.4). DUT-52-(NH2)2-1' is recyclable and very sensitive towards ClO-. Moreover, the paper strip method was developed for onsite identification of ClO-. Furthermore, the catalytic activity of DUT-52-(NH2)2-1' was tested in the Knoevenagel condensation between benzaldehyde and cyanoacetamide. The experimental results clearly indicate that DUT-52-(NH2)2-1' exhibits high activity with very high selectivity towards condensation products. The solid was reusable three times with no decay in its activity, as evidenced by powder X-ray diffraction (PXRD), field emission scanning electron microscopy (FE-SEM) and fourier transform infrared (FT-IR).
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Affiliation(s)
- Chiranjib Gogoi
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039 Assam, India.
| | - Nagarathinam Nagarjun
- School of Chemistry, Madurai Kamaraj University, Madurai 625 021, Tamil Nadu, India.
| | - Abhijeet Rana
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039 Assam, India.
| | | | - Shyam Biswas
- Department of Chemistry, Indian Institute of Technology Guwahati, 781039 Assam, India.
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Johari S, Johan MR, Khaligh NG. An Overview of Metal-free Sustainable Nitrogen-based Catalytic Knoevenagel Condensation Reaction . Org Biomol Chem 2022; 20:2164-2186. [DOI: 10.1039/d2ob00135g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Knoevenagel condensation reaction counts as a vital condensation in organic chemistry due to the synthesis of valuable intermediates, heterocycles, and fine chemicals from commercially available reactants through forming new C=C...
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Wojaczyńska E, Steppeler F, Iwan D, Scherrmann MC, Marra A. Synthesis and Applications of Carbohydrate-Based Organocatalysts. Molecules 2021; 26:7291. [PMID: 34885873 PMCID: PMC8659088 DOI: 10.3390/molecules26237291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 11/22/2021] [Accepted: 11/24/2021] [Indexed: 12/22/2022] Open
Abstract
Organocatalysis is a very useful tool for the asymmetric synthesis of biologically or pharmacologically active compounds because it avoids the use of noxious metals, which are difficult to eliminate from the target products. Moreover, in many cases, the organocatalysed reactions can be performed in benign solvents and do not require anhydrous conditions. It is well-known that most of the above-mentioned reactions are promoted by a simple aminoacid, l-proline, or, to a lesser extent, by the more complex cinchona alkaloids. However, during the past three decades, other enantiopure natural compounds, the carbohydrates, have been employed as organocatalysts. In the present exhaustive review, the detailed preparation of all the sugar-based organocatalysts as well as their catalytic properties are described.
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Affiliation(s)
- Elżbieta Wojaczyńska
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50 370 Wrocław, Poland
| | - Franz Steppeler
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50 370 Wrocław, Poland
| | - Dominika Iwan
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50 370 Wrocław, Poland
| | - Marie-Christine Scherrmann
- Institut de Chimie Moléculaire et des Matériaux d'Orsay (ICMMO), Université Paris-Saclay, Bâtiment 420, 91405 Orsay, France
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM-UMR 5247), Université de Montpellier, Pôle Chimie Balard Recherche, 1919 Route de Mende, 34293 Montpellier, France
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16
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Homogeneous Catalyzed Valorization of Furanics: A Sustainable Bridge to Fuels and Chemicals. Catalysts 2021. [DOI: 10.3390/catal11111371] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
The development of efficient biomass valorization is imperative for the future sustainable production of chemicals and fuels. Particularly, the last decade has witnessed the development of a plethora of effective and selective transformations of bio-based furanics using homogeneous organometallic catalysis under mild conditions. In this review, we describe some of the advances regarding the conversion of target furanics into value chemicals, monomers for high-performance polymers and materials, and pharmaceutical key intermediates using homogeneous catalysis. Finally, the incorporation of furanic skeletons into complex chemical architectures by multifunctionalization routes is also described.
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17
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Synthesis and characterization of CuO/ZnO/Al2O3 particles and its utilization as a catalyst for acrylamide derivatives. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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18
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Cirujano FG, Dhakshinamoorthy A. Challenges and Opportunities for the Encapsulation of Enzymes over Porous Solids for Biodiesel Production and Cellulose Valorization into Glucose. ChemCatChem 2021. [DOI: 10.1002/cctc.202100943] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Francisco G. Cirujano
- Institute of Molecular Science (ICMOL) Universidad de Valencia 46980 Paterna Valencia Spain
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19
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Pandey R, Singh D, Thakur N, Raj KK. Catalytic C-H Bond Activation and Knoevenagel Condensation Using Pyridine-2,3-Dicarboxylate-Based Metal-Organic Frameworks. ACS OMEGA 2021; 6:13240-13259. [PMID: 34056473 PMCID: PMC8158822 DOI: 10.1021/acsomega.1c01155] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Accepted: 04/23/2021] [Indexed: 05/08/2023]
Abstract
Three 1D coordination polymers (CPs) [M(pdca)(H2O)2] n (M = Zn, Cd, and Co; 1-3), and a 3D coordination framework {[(CH3)2NH2][CuK(2,3-pdca)(pa)(NO3)2]} n (4) (2,3-pdca = pyridine-2,3-dicarboxylate and pa = picolinic acid), have been synthesized adopting a solvothermal reaction strategy. The CPs have been thoroughly characterized using various spectral techniques, that is, elemental analyses, FT-IR, TGA, DSC, UV/vis, and luminescence. Structural information on 1-4 was obtained by PXRD and X-ray single-crystal analyses, whereas morphological insights were attained through FESEM, AFM, EDX, HRTEM, and BET surface area analyses. Roughness parameters were calculated from AFM analysis, whereas dimensions of small domains and interplanar spacing were defined with the aid of HRTEM. CPs 1-3 are 1D isostructural networks, whereas 4 is a 3D framework. Moreover, 1-4 display moderate luminescence at rt. In addition, 1-4 have been applied as economic and efficient porous catalysts for the Knoevenagel condensation reaction and C-H bond activation under mild conditions with good yields (95-98 and 97-99%), respectively. Notably, 1-3 can be reused up to seven cycles, whereas 4 can be reused up to five catalytic cycles with retained catalytic efficiency. Relative catalytic efficacy toward the Knoevenagel condensation reaction follows in the order 2 > 1 > 3 > 4, whereas 2 > 4 > 1 > 3 for C-H activation. The present result demonstrates synthetic, structural, optical, morphological, and catalytic aspects of 1-4.
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Affiliation(s)
- Rampal Pandey
- Department
of Chemistry, National Institute of Technology
Uttarakhand, Srinagar, Uttarakhand 246174, India
| | - Durgesh Singh
- Department
of Chemistry, Dr. Harisingh Gour University, Sagar, Madhya Pradesh 470003, India
| | - Neha Thakur
- Department
of Chemistry, National Institute of Technology
Uttarakhand, Srinagar, Uttarakhand 246174, India
| | - Krishna K. Raj
- Department
of Chemistry, Dr. Harisingh Gour University, Sagar, Madhya Pradesh 470003, India
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20
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Yang G, Liang J, Hu X, Liu M, Zhang X, Wei Y. Recent Advances on Fabrication of Polymeric Composites Based on Multicomponent Reactions for Bioimaging and Environmental Pollutant Removal. Macromol Rapid Commun 2021; 42:e2000563. [PMID: 33543565 DOI: 10.1002/marc.202000563] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 11/08/2020] [Indexed: 12/30/2022]
Abstract
As the core of polymer chemistry, manufacture of functional polymers is one of research hotspots over the past several decades. Various polymers are developed for diverse applications due to their tunable structures and unique properties. However, traditional step-by-step preparation strategies inevitably involve some problems, such as separation, purification, and time-consuming. The multicomponent reactions (MCRs) are emerging as environmentally benign synthetic strategies to construct multifunctional polymers or composites with pendant groups and designed structures because of their features, such as efficient, fast, green, and atom economy. This mini review summarizes the latest advances about fabrication of multifunctional fluorescent polymers or adsorptive polymeric composites through different MCRs, including Kabachnik-Fields reaction, Biginelli reaction, mercaptoacetic acid locking imine reaction, Debus-Radziszewski reaction, and Mannich reaction. The potential applications of these polymeric composites in biomedical and environmental remediation are also highlighted. It is expected that this mini-review will promote the development preparation and applications of functional polymers through MCRs.
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Affiliation(s)
- Guang Yang
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Jie Liang
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Xin Hu
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Meiying Liu
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China.,Key Laboratory of Modern Preparation of TCM, Ministry of Education, Jiangxi University of Traditional Chinese Medicine, Nanchang, 330004, China
| | - Xiaoyong Zhang
- Department of Chemistry, Nanchang University, 999 Xuefu Avenue, Nanchang, 330031, China
| | - Yen Wei
- Department of Chemistry and the Tsinghua Center for Frontier Polymer Research, Tsinghua University, Beijing, 100084, P. R. China
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21
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Xin Y, Shen X, Liu H, Han B. Selective Utilization of N-acetyl Groups in Chitin for Transamidation of Amines. FRONTIERS IN CHEMICAL ENGINEERING 2021. [DOI: 10.3389/fceng.2020.634983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The selective transformation of chitin into various renewable N-containing chemicals and medicines has attracted increasing attention. However, the N-acetyl groups in chitin construct strong hydrogen bond networks, which restricts its depolymerization and transformation. The selective conversion of robust chitin commonly requires considerable base catalysts to remove the N-acetyl group as a byproduct in advance, which is non-compliance with the principle of atomic economy. Herein, for the first time we demonstrate a novel approach to achieve the selective utilization of the N-acetyl group in chitin for transamidation of chitin with amines. A series of amine derivatives, mainly including aliphatic amine, cyclic amine and functionalized aromatic amine, could be selectively converted into the corresponding amide products frequently found in pharmaceuticals. Furthermore, the solid residue after removing the acetyl group (denoted as De-chitin) with the sufficient exposure of -NH2 groups as a solid base catalyst shows excellent performance in the aldol condensation reaction of furfural and acetone to produce fuel precursors. Our process provides a strategy that exploiting every functional group adequately in substrates to obtain value-added chemicals.
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22
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Dhakshinamoorthy A, Jacob M, Vignesh NS, Varalakshmi P. Pristine and modified chitosan as solid catalysts for catalysis and biodiesel production: A minireview. Int J Biol Macromol 2020; 167:807-833. [PMID: 33144253 DOI: 10.1016/j.ijbiomac.2020.10.216] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/05/2020] [Accepted: 10/27/2020] [Indexed: 12/20/2022]
Abstract
Chitosan is one of the readily available polymers with relatively high abundance, biodegradable and sustainable materials with divergent functional groups that are employed in broad range of applications. Chitosan is widely used in many fields like adsorption, drug carrier for therapeutic activity, environmental remediation, drug formulation and among others. One of the unique features of chitosan is that it can be transformed to other forms like beads, films, flakes, sponges and fibres depending upon the applications. This review is aimed at showing the potential applications of chitosan and its modified solids in organic transformations. The number of existing articles is organized based on the nature of materials and subsequently with the types of reactions. After a brief description on the structural features of chitosan, properties, characterization methods including various analytical/microscopic techniques and some of the best practices to be followed in catalysis are also discussed. The next section of this review describes the catalytic activity of native chitosan without any modifications while the subsequent sections provide the catalytic activity of chitosan derivatives, chitosan covalently modified with metal complexes/salts through linkers and chitosan as support for metal nanoparticles (NPs). These sections discuss number of organic reactions that include Knoevenagel condensation, oxidation, reduction, heterocycles synthesis, cross-coupling reactions and pollutant degradation among others. A separate section provides the catalytic applications of chitosan and its modified forms for the production of fatty acid methyl esters (FAME) through esterification/transesterification reactions. The final section summarizes our views on the future directions of this field in the coming years.
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Affiliation(s)
| | - Manju Jacob
- Department of Advanced Zoology and Biotechnology, Loyola College, Chennai 600 034, Tamil Nadu, India
| | - Nagamalai Sakthi Vignesh
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
| | - Perumal Varalakshmi
- Department of Molecular Microbiology, School of Biotechnology, Madurai Kamaraj University, Madurai, Tamil Nadu 625021, India
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23
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Wang F, Hu K, Bi Y, Wei X, Xue B. Knoevenagel condensation reaction on a new highly-efficient La2O2CO3-TiO2 mixed oxide catalyst: Composition-effects on C C bond formation. Chem Phys 2020. [DOI: 10.1016/j.chemphys.2020.110942] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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24
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Benzekri Z, El Aadad H, Sibous S, Serrar H, Boukhris S, Chahine A, Souizi A. Improvement of the catalytic performance of hybrid nanocomposite based on phosphate-benzimidazole in Knoevenagel condensation. Heliyon 2020; 6:e05293. [PMID: 33204868 PMCID: PMC7653287 DOI: 10.1016/j.heliyon.2020.e05293] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2020] [Revised: 08/17/2020] [Accepted: 10/14/2020] [Indexed: 11/30/2022] Open
Abstract
In this work, we have developed a simple and very effective experimental strategy for the reaction of Knoevenagel via the condensation of aromatic aldehydes substituted with active methylene compounds in the presence of hybrid nanocomposites xMCl2-yNaPO3 (MCl2 = 2,2′-dibenzimidazolyl butane dichlorhydrates), under ecological conditions. The Phosphate-Benzimidazole hybrid nanocomposite as heterogeneous catalysts has demonstrated a high catalytic activity for the Knoevenagel condensation in ethanol as an ecological solvent. It has several advantages such as light reaction conditions, a simple and ecological working procedure. Meanwhile, xMCl2-yNaPO3 can be recovered by simple filtration and this catalytic system having an interesting lifetime (five cycles) with no decrease in activity.
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Affiliation(s)
- Zakaria Benzekri
- Laboratory of Organic Chemistry, Organometallic and Theoretical, Department of Chemistry, Faculty of Sciences, Ibn Tofaïl University, BO 133, 14000, Kenitra, Morocco
| | - Halima El Aadad
- Laboratory of Physico-Chemistry of Vitreous and Crystallized Materials (LPCVCM), Faculty of Science, Ibn Tofail University, BP 133, 14000 Kenitra, Morocco
| | - Sarra Sibous
- Laboratory of Organic Chemistry, Organometallic and Theoretical, Department of Chemistry, Faculty of Sciences, Ibn Tofaïl University, BO 133, 14000, Kenitra, Morocco
| | - Houda Serrar
- Laboratory of Organic Chemistry, Organometallic and Theoretical, Department of Chemistry, Faculty of Sciences, Ibn Tofaïl University, BO 133, 14000, Kenitra, Morocco
| | - Said Boukhris
- Laboratory of Organic Chemistry, Organometallic and Theoretical, Department of Chemistry, Faculty of Sciences, Ibn Tofaïl University, BO 133, 14000, Kenitra, Morocco
| | - Abdelkrim Chahine
- Laboratory of Physico-Chemistry of Vitreous and Crystallized Materials (LPCVCM), Faculty of Science, Ibn Tofail University, BP 133, 14000 Kenitra, Morocco
| | - Abdelaziz Souizi
- Laboratory of Organic Chemistry, Organometallic and Theoretical, Department of Chemistry, Faculty of Sciences, Ibn Tofaïl University, BO 133, 14000, Kenitra, Morocco
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Jiao LY, Zhang Z, Hong Q, Ning ZH, Liu S, Sun M, Hao Q, Xu L, Li Z, Ma XX. Recyclable copper catalyst on chitosan for facile preparation of alkyl/aryl mixed phosphates via deaminated esterification between diphenylphosphoryl azides and aliphatic alcohols. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111120] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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