1
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Engineering synergistic effects of immobilized cooperative catalysts. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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2
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Adegoke KA, Oyedotun KO, Ighalo J, Amaku JF, Olisah C, Adeola AO, Iwuozor KO, Akpomie KG, Conradie J. Cellulose derivatives and cellulose-metal-organic frameworks for CO2 adsorption and separation. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.102163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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3
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Quantifying the fraction and activity of catalytic sites at different surface densities of aminosilanes in SBA-15 for the aldol reaction and condensation. J Catal 2022. [DOI: 10.1016/j.jcat.2022.08.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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4
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Biesemans B, De Clercq J, Stevens CV, Thybaut JW, Lauwaert J. Recent advances in amine catalyzed aldol condensations. CATALYSIS REVIEWS 2022. [DOI: 10.1080/01614940.2022.2048570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Bert Biesemans
- Laboratory for Chemical Technology (LCT), Department of Materials, Textiles, and Chemical Engineering, Ghent University, Technologiepark 125, 9052 Ghent, Belgium
| | - Jeriffa De Clercq
- Industrial Catalysis and Adsorption Technology (INCAT), Department of Materials, Textiles, and Chemical Engineering, Ghent University, Valentin Vaerwyckweg 1, 9000 Ghent, Belgium
| | - Christian V. Stevens
- SynBioC Research Group, Department of Green Chemistry and Technology, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Joris W. Thybaut
- Laboratory for Chemical Technology (LCT), Department of Materials, Textiles, and Chemical Engineering, Ghent University, Technologiepark 125, 9052 Ghent, Belgium
| | - Jeroen Lauwaert
- Industrial Catalysis and Adsorption Technology (INCAT), Department of Materials, Textiles, and Chemical Engineering, Ghent University, Valentin Vaerwyckweg 1, 9000 Ghent, Belgium
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5
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Cleveland JW, Choi JI, Sekiya RS, Cho J, Moon HJ, Jang SS, Jones CW. Cooperativity in the Aldol Condensation Using Bifunctional Mesoporous Silica-Poly(styrene) MCM-41 Organic/Inorganic Hybrid Catalysts. ACS APPLIED MATERIALS & INTERFACES 2022; 14:11235-11247. [PMID: 35229600 DOI: 10.1021/acsami.1c21738] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This work explores the efficacy of silica/organic hybrid catalysts, where the organic component is built from linear aminopolymers appended to the silica support within the support mesopores. Specifically, the role of molecular weight and polymer chain composition in amine-bearing atom transfer radical polymerization-synthesized poly(styrene-co-2-(4-vinylbenzyl)isoindoline-1,3-dione) copolymers is probed in the aldol condensation of 4-nitrobenzaldehyde and acetone. Controlled polymerization produces protected amine-containing poly(styrene) chains of controlled molecular weight and dispersity, and a grafting-to thiol-ene coupling approach followed by a phthalimide deprotection step are used to covalently tether and activate the polymer hybrid catalysts prior to the catalytic reactions. Site-normalized batch kinetics are used to assess the role of polymer molecular weight and chain composition in the cooperative catalysis. Lower-molecular-weight copolymers are demonstrated to be more active than catalysts built from only molecular organic components or from higher-molecular-weight chains. Molecular dynamics simulations are used to probe the role of polymer flexibility and morphology, whereby it is determined that higher-molecular-weight hybrid structures result in congested pores that inhibit active site cooperativity and the diffusivity of reagents, thus resulting in lower rates during the reaction.
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Affiliation(s)
- Jacob W Cleveland
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332-0100, United States
| | - Ji Il Choi
- School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Dr., Atlanta, Georgia 30332-0245, United States
| | - Ryoh-Suke Sekiya
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332-0100, United States
| | - Jinwon Cho
- School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Dr., Atlanta, Georgia 30332-0245, United States
| | - Hyun June Moon
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332-0100, United States
| | - Seung Soon Jang
- School of Materials Science and Engineering, Georgia Institute of Technology, 771 Ferst Dr., Atlanta, Georgia 30332-0245, United States
| | - Christopher W Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, Georgia 30332-0100, United States
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6
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Xiao W, Wang Z, Yang J, Chen T, Yi C, Xu Z. Engineering of Polystyrene-Supported Acid-Base Catalysts for Aldol Condensation in Water. NEW J CHEM 2022. [DOI: 10.1039/d2nj01241c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Aldol reaction in water can effectively limit the formation of Schiff bases that deactivate active amine sites. To date, regulation of cooperative behaviors and morphologies of polymer-supported acid-base catalysts remains...
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7
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Di Carmine G, Forster L, Wang S, Parlett C, Carlone A, D'Agostino C. NMR relaxation time measurements of solvent effects in an organocatalysed asymmetric aldol reaction over silica SBA-15 supported proline. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00471a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The behaviour of solvents in solid-supported proline organocatalysts is explored using NMR relaxation measurements coupled with reaction screening. Solvents with a lower affinity for the solid surface lead to a higher reactivity.
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Affiliation(s)
- Graziano Di Carmine
- Department of Chemical, Pharmaceutical and Agricultural Sciences (DOCPAS), University of Ferrara, Via Luigi Borsari 46, I-44121, Ferrara, Italy
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
| | - Luke Forster
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
| | - Simeng Wang
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
| | - Christopher Parlett
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
- Diamond Light Source, Harwell Science and Innovation Campus, OX11 0DE, Didcot, Oxfordshire, UK
- The University of Manchester at Harwell, Harwell Science and Innovation Campus, OX11 0DE, Didcot, Oxfordshire, UK
- Catalysis Hub, Research Complex at Harwell, Rutherford Appleton Laboratory, OX11 0FA, Harwell, Oxfordshire, UK
| | - Armando Carlone
- Department of Physical and Chemical Sciences, Università degli Studi dell'Aquila, Via Vetoio, 67100 L'Aquila, Italy
| | - Carmine D'Agostino
- Department of Chemical Engineering and Analytical Science (CEAS), The University of Manchester, M13 9PL, Manchester, UK
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8
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A bifunctional zeolitic porous liquid with incompatible Lewis pairs for antagonistic cascade catalysis. Chem 2021. [DOI: 10.1016/j.chempr.2021.08.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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9
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Geißler D, Nirmalananthan-Budau N, Scholtz L, Tavernaro I, Resch-Genger U. Analyzing the surface of functional nanomaterials-how to quantify the total and derivatizable number of functional groups and ligands. Mikrochim Acta 2021; 188:321. [PMID: 34482449 PMCID: PMC8418596 DOI: 10.1007/s00604-021-04960-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 08/08/2021] [Indexed: 12/04/2022]
Abstract
Functional nanomaterials (NM) of different size, shape, chemical composition, and surface chemistry are of increasing relevance for many key technologies of the twenty-first century. This includes polymer and silica or silica-coated nanoparticles (NP) with covalently bound surface groups, semiconductor quantum dots (QD), metal and metal oxide NP, and lanthanide-based NP with coordinatively or electrostatically bound ligands, as well as surface-coated nanostructures like micellar encapsulated NP. The surface chemistry can significantly affect the physicochemical properties of NM, their charge, their processability and performance, as well as their impact on human health and the environment. Thus, analytical methods for the characterization of NM surface chemistry regarding chemical identification, quantification, and accessibility of functional groups (FG) and surface ligands bearing such FG are of increasing importance for quality control of NM synthesis up to nanosafety. Here, we provide an overview of analytical methods for FG analysis and quantification with special emphasis on bioanalytically relevant FG broadly utilized for the covalent attachment of biomolecules like proteins, peptides, and oligonucleotides and address method- and material-related challenges and limitations. Analytical techniques reviewed include electrochemical titration methods, optical assays, nuclear magnetic resonance and vibrational spectroscopy, as well as X-ray based and thermal analysis methods, covering the last 5-10 years. Criteria for method classification and evaluation include the need for a signal-generating label, provision of either the total or derivatizable number of FG, need for expensive instrumentation, and suitability for process and production control during NM synthesis and functionalization.
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Affiliation(s)
- Daniel Geißler
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division Biophotonics (BAM-1.2), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Nithiya Nirmalananthan-Budau
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division Biophotonics (BAM-1.2), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Lena Scholtz
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division Biophotonics (BAM-1.2), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Isabella Tavernaro
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division Biophotonics (BAM-1.2), Richard-Willstätter-Str. 11, 12489, Berlin, Germany
| | - Ute Resch-Genger
- Bundesanstalt für Materialforschung und -prüfung (BAM), Division Biophotonics (BAM-1.2), Richard-Willstätter-Str. 11, 12489, Berlin, Germany.
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10
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Lam E, Hemraz UD. Preparation and Surface Functionalization of Carboxylated Cellulose Nanocrystals. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:1641. [PMID: 34206698 PMCID: PMC8306899 DOI: 10.3390/nano11071641] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 01/31/2023]
Abstract
In recent years, cellulose nanocrystals (CNCs) have emerged as a leading biomass-based nanomaterial owing to their unique functional properties and sustainable resourcing. Sulfated cellulose nanocrystals (sCNCs), produced by sulfuric acid-assisted hydrolysis of cellulose, is currently the predominant form of this class of nanomaterial; its utilization leads the way in terms of CNC commercialization activities and industrial applications. The functional properties, including high crystallinity, colloidal stability, and uniform nanoscale dimensions, can also be attained through carboxylated cellulose nanocrystals (cCNCs). Herein, we review recent progress in methods and feedstock materials for producing cCNCs, describe their functional properties, and discuss the initial successes in their applications. Comparisons are made to sCNCs to highlight some of the inherent advantages that cCNCs may possess in similar applications.
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Affiliation(s)
| | - Usha D. Hemraz
- Aquatic and Crop Resource Development Research Centre, National Research Council of Canada, Montreal, QC H4P 2R2, Canada;
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11
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Sadeghi S, Karimi M, Radfar I, Gavinehroudi RG, Saberi D, Heydari A. Efficient strategy for interchangeable roles in a green and sustainable redox catalytic system: IL/Pd II-decorated SBA-15 as a mesoporous nanocatalyst. NEW J CHEM 2021. [DOI: 10.1039/d0nj05459c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Green synthesis of catalyst for the aerobic oxidation of alcohols using air as a green oxidant, and efficient and straightforward synthesis method for amine formation using formic acid as a green reductant.
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Affiliation(s)
| | | | - Iman Radfar
- Chemistry Department
- Tarbiat Modare University
- Tehran
- Iran
| | | | - Dariush Saberi
- Department of Chemistry, Faculty of Nano and Bio Science and Technology, Persian Gulf University
- Bushehr 75169
- Iran
| | - Akbar Heydari
- Chemistry Department
- Tarbiat Modare University
- Tehran
- Iran
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12
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Co(III)-Salen immobilized cellulose nanocrystals for efficient catalytic CO 2 fixation into cyclic carbonates under mild conditions. Carbohydr Polym 2020; 256:117558. [PMID: 33483060 DOI: 10.1016/j.carbpol.2020.117558] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 12/16/2020] [Accepted: 12/18/2020] [Indexed: 12/25/2022]
Abstract
Searching for green, recyclable and highly efficient catalyst for the synthesis of cyclic carbonates from CO2 is of great importance because it is profitable for reducing the greenhouse effects and meets the principles of green chemistry. Herein, a series of cellulose nanocrystals, either the pristine or modified ones (TEMPO oxidized and Co(III)salen immobilized), were explored as catalysts for cycloaddition of epoxides and carbon dioxide. The impact of surface properties on the performance of the as-made catalysts was investigated. Co(III)-salen grafted cellulose nanocrystals was proven to be the most effective catalyst in this study, which could afford excellent yield up to 99 % after 24 h even under low CO2 pressures of 0.1 MPa. They can be easily recovered and reused for at least 4 times, demonstrating their excellent stability. We found that the surface functional groups such as enriched sulfate or carboxylic groups could also account for the enhanced catalytic activity. This work highlights the applications of green and sustainable nanoparticles in a cycloaddition reaction and offers a sustainable solution in industrial catalysis related to CO2 conversions.
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13
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Wan J, Fu L, Yang H, Wang K, Xi F, Pan L, Li Y, Liu Y. TiO 2–ZrO 2 Composite Oxide as an Acid–Base Bifunctional Catalyst for Self-Condensation of Cyclopentanone. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c03605] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jinmeng Wan
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Lin Fu
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Haixia Yang
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Kai Wang
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Fengcao Xi
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
| | - Langsheng Pan
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- National & Local United Engineering Research Center for Chemical Process Simulation and Intensification, Xiangtan University, Xiangtan 411105, China
| | - Yongfei Li
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- National & Local United Engineering Research Center for Chemical Process Simulation and Intensification, Xiangtan University, Xiangtan 411105, China
| | - Yuejin Liu
- School of Chemical Engineering, Xiangtan University, Xiangtan 411105, China
- National & Local United Engineering Research Center for Chemical Process Simulation and Intensification, Xiangtan University, Xiangtan 411105, China
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14
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Ellebracht NC, Jones CW. Functionalized cellulose nanofibril aerogels as cooperative acid-base organocatalysts for liquid flow reactions. Carbohydr Polym 2020; 233:115825. [PMID: 32059881 DOI: 10.1016/j.carbpol.2019.115825] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2019] [Revised: 12/13/2019] [Accepted: 12/31/2019] [Indexed: 10/25/2022]
Abstract
Cellulose nanomaterial aerogels are macroscopic porous solids with relatively high surface areas and are thus an interesting basis for renewable catalyst materials. Cross-linked acid-base bifunctional catalyst aerogels are produced here from TEMPO-oxidized cellulose nanofibrils (TOCNF) and demonstrated in both batch and flow catalysis. Recently established acid-base modification for catalysis is expanded upon for chemical or physical cross-linking with small molecules and polymers. Low density and relatively high surface area (up to 74 m2 g-1) aerogel catalysts are produced with a variety of processing approaches and then freeze-dried from water or tert-butyl alcohol/water mixtures. Finer pore structure and increased surface area are achieved with tert-butyl alcohol as co-solvent. Chemical cross-linking improved aerogel stability to solvents. Homogeneous and aerogel TOCNF catalysts are shown to be effective acid-base cooperative catalysts for aldol condensation reactions in batch reactions. Continuous flow reactions are performed with glass column reactors packed with aerogel catalysts that showed improved rates relative to batch experiments, while also demonstrating physical stability. Catalyst deactivation in flow reactions is observed and observations of deactivation support previously reported mechanisms of site poisoning by competitive chemisorption of reactants in analogous acid-base catalysts. This report is a key demonstration of cellulose nanofibril aerogels for catalysis in continuous liquid flow reactions.
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Affiliation(s)
- Nathan C Ellebracht
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA, 30332-0100, United States.
| | - Christopher W Jones
- School of Chemical & Biomolecular Engineering, Georgia Institute of Technology, 311 Ferst Dr., Atlanta, GA, 30332-0100, United States.
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15
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Meninno S. Valorization of Waste: Sustainable Organocatalysts from Renewable Resources. CHEMSUSCHEM 2020; 13:439-468. [PMID: 31634413 DOI: 10.1002/cssc.201902500] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Indexed: 06/10/2023]
Abstract
One of the greatest challenges facing our society is to reconcile our need to develop efficient and sophisticated chemical processes with the limited resources of our planet and its restricted ability to adsorb pollution. Organocatalysis has allowed many issues to be addressed in the development of sophisticated, but less polluting, processes. However, minimizing waste also means an efficient utilization of raw and renewable materials. Waste biomass represents an alternative to conventional petroleum-based chemical manufacturing and is a highly attractive renewable resource for the production of chemicals and high-value-added organocatalysts. Recent achievements in the use of renewable biomass feedstocks for the synthesis of organocatalysts are presented. Their application in synthetic methodologies, including multicomponent reactions, which are performed under solvent-free conditions or in eco-friendly reaction media, as well as recycling and reusing the organocatalysts, is illustrated. A few pioneering examples that demonstrate the potential of these promoters in asymmetric synthesis have also been documented. In particular, this review covers examples on the use of hetero- and homogeneous organocatalysts derived from 1) waste biopolymers, such as chitosan, alginic acid, and cellulose; ii) renewable platform molecules, such as levoglucosenone, isosorbide, mannose, d-glucosamine, and lecithin; 3) terpenes and rosin, such as pinane, isosteviol, and abietic acid; and iv) natural proteins (gelatin, bovine tendons, silk fibroin proteins).
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Affiliation(s)
- Sara Meninno
- Dipartimento di Chimica e Biologia, University of Salerno, Via Giovanni Paolo II, 84084, Fisciano, Italy
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16
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Meng S, Sun S, Qi Y, Jiang D, Wei W, Chen M. Synthesis of an iron-doped 3D-ordered mesoporous cobalt phosphide material toward efficient electrocatalytic overall water splitting. Inorg Chem Front 2020. [DOI: 10.1039/d0qi00575d] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The development of porous metal phosphides with abundant active sites is of great importance for efficient electrocatalytic water splitting.
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Affiliation(s)
- Suci Meng
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Shichao Sun
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Yue Qi
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Deli Jiang
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
| | - Wenxian Wei
- Testing Center
- Yangzhou University
- Yangzhou 225009
- China
| | - Min Chen
- School of Chemistry and Chemical Engineering
- Jiangsu University
- Zhenjiang 212013
- China
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17
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De Vylder A, Lauwaert J, De Clercq J, Van Der Voort P, Jones CW, Thybaut JW. Aminated poly(ethylene glycol) methacrylate resins as stable heterogeneous catalysts for the aldol reaction in water. J Catal 2020. [DOI: 10.1016/j.jcat.2019.11.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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