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Wu X, Smet E, Brandi F, Raikwar D, Zhang Z, Maes BUW, Sels BF. Advancements and Perspectives toward Lignin Valorization via O-Demethylation. Angew Chem Int Ed Engl 2024; 63:e202317257. [PMID: 38128012 DOI: 10.1002/anie.202317257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/20/2023] [Accepted: 12/21/2023] [Indexed: 12/23/2023]
Abstract
Lignin represents the largest aromatic carbon resource in plants, holding significant promise as a renewable feedstock for bioaromatics and other cyclic hydrocarbons in the context of the circular bioeconomy. However, the methoxy groups of aryl methyl ethers, abundantly found in technical lignins and lignin-derived chemicals, limit their pertinent chemical reactivity and broader applicability. Unlocking the phenolic hydroxyl functionality through O-demethylation (ODM) has emerged as a valuable approach to mitigate this need and enables further applications. In this review, we provide a comprehensive summary of the progress in the valorization of technical lignin and lignin-derived chemicals via ODM, both catalytic and non-catalytic reactions. Furthermore, a detailed analysis of the properties and potential applications of the O-demethylated products is presented, accompanied by a systematic overview of available ODM reactions. This review primarily focuses on enhancing the phenolic hydroxyl content in lignin-derived species through ODM, showcasing its potential in the catalytic funneling of lignin and value-added applications. A comprehensive synopsis and future outlook are included in the concluding section of this review.
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Affiliation(s)
- Xian Wu
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Ewoud Smet
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Francesco Brandi
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Deepak Raikwar
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Zhenlei Zhang
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Bert U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Bert F Sels
- Center for Sustainable Catalysis and Engineering, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
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2
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Wang Y, Chen M, Yang Y, Ralph J, Pan X. Efficient O-demethylation of lignin-derived aromatic compounds under moderate conditions. RSC Adv 2023; 13:5925-5932. [PMID: 36816077 PMCID: PMC9936356 DOI: 10.1039/d3ra00245d] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 02/09/2023] [Indexed: 02/19/2023] Open
Abstract
Lignin is a potential feedstock to produce renewable aromatic chemicals. However, lignin-derived aromatics are heavily methoxylated, which affects their reactivity in some downstream valorization attempts. Herein, we report an efficient method for the demethylation of the aromatics derived from lignin depolymerization using acidic concentrated lithium bromide (ACLB) under moderate conditions (e.g., 1.5 M HCl, 110 °C, and 2 h). Aromatics with one or two methoxy groups (G-type and S-type), alkyl hydroxyl and carbonyl groups, and electron-donating and electron-withdrawing substituents were used to investigate the demethylation mechanisms. S-type aromatics were demethylated faster than their G-type analogs. Alkyl hydroxyl groups were brominated under the conditions. Carbonyl groups (aldehydes and ketones) promoted unwelcome condensation. Electron-donating substituents promoted demethylation, whereas electron-withdrawing substituents retarded the demethylation. An ortho-carboxylic group enhanced the demethylation because of the formation of a stable intermediate.
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Affiliation(s)
- Yueqing Wang
- Department of Biological Systems Engineering, University of Wisconsin-Madison 460 Henry Mall Madison WI 53706 USA
| | - Mingjie Chen
- Wisconsin Energy Institute, University of Wisconsin–Madison1552 University AvenueMadisonWI 53726USA
| | - Yang Yang
- Department of Chemistry, University of Wisconsin–Madison1101 University AvenueMadisonWI 53706USA
| | - John Ralph
- Wisconsin Energy Institute, University of Wisconsin–Madison1552 University AvenueMadisonWI 53726USA
| | - Xuejun Pan
- Department of Biological Systems Engineering, University of Wisconsin-Madison 460 Henry Mall Madison WI 53706 USA
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3
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Mandal SC, Das A, Roy D, Das S, Nair AS, Pathak B. Developments of the heterogeneous and homogeneous CO2 hydrogenation to value-added C2+-based hydrocarbons and oxygenated products. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Liu M, Han B, Dyson PJ. Simultaneous Generation of Methyl Esters and CO in Lignin Transformation. Angew Chem Int Ed Engl 2022; 61:e202209093. [PMID: 35979750 PMCID: PMC9826404 DOI: 10.1002/anie.202209093] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Indexed: 01/11/2023]
Abstract
Lignin is an abundant renewable carbon source. Due to its complex structure, utilization of lignin is very challenging. Herein, we describe an efficient strategy for the simultaneous utilization of lignin, in which the methoxy groups in lignin react with carboxylic acids to generate methyl carboxylates and the other alkyl and phenyl carbons react with oxygen to predominantly form CO that can be used directly in carbonylation reactions. The method was applied to the methylation of various functionalized aryl and alkyl carboxylic acids, including natural compounds, to produce valuable chemicals, including pharmaceuticals. No solid or liquid residues remain after the reaction. Mechanistic studies demonstrate that a well-ordered C-C and C-O bond activation sequence takes place to realize total transformation of lignin. This work opens a way for transformation of the entire lignin polymer into valuable products, exemplified by the synthesis of the pharmaceutical, Ramipril, on a gram scale.
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Affiliation(s)
- Mingyang Liu
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Colloid and Interface and ThermodynamicsCAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing100190P. R. China
- Institute of Chemical Sciences and EngineeringSwiss Federal Institute of Technology (EPFL)1015LausanneSwitzerland
- School of Chemistry and Chemical EngineeringUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Buxing Han
- Beijing National Laboratory for Molecular SciencesKey Laboratory of Colloid and Interface and ThermodynamicsCAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing100190P. R. China
- School of Chemistry and Chemical EngineeringUniversity of Chinese Academy of SciencesBeijing100049P. R. China
| | - Paul J. Dyson
- Institute of Chemical Sciences and EngineeringSwiss Federal Institute of Technology (EPFL)1015LausanneSwitzerland
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5
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Simultaneous Generation of Methyl Esters and CO in Lignin Transformation. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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6
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Trano S, Corsini F, Pascuzzi G, Giove E, Fagiolari L, Amici J, Francia C, Turri S, Bodoardo S, Griffini G, Bella F. Lignin as Polymer Electrolyte Precursor for Stable and Sustainable Potassium Batteries. CHEMSUSCHEM 2022; 15:e202200294. [PMID: 35363435 PMCID: PMC9322549 DOI: 10.1002/cssc.202200294] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/01/2022] [Indexed: 06/14/2023]
Abstract
Potassium batteries show interesting peculiarities as large-scale energy storage systems and, in this scenario, the formulation of polymer electrolytes obtained from sustainable resources or waste-derived products represents a milestone activity. In this study, a lignin-based membrane is designed by crosslinking a pre-oxidized Kraft lignin matrix with an ethoxylated difunctional oligomer, leading to self-standing membranes that are able to incorporate solvated potassium salts. The in-depth electrochemical characterization highlights a wide stability window (up to 4 V) and an ionic conductivity exceeding 10-3 S cm-1 at ambient temperature. When potassium metal cell prototypes are assembled, the lignin-based electrolyte attains significant electrochemical performances, with an initial specific capacity of 168 mAh g-1 at 0.05 A g-1 and an excellent operation for more than 200 cycles, which is an unprecedented outcome for biosourced systems in potassium batteries.
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Affiliation(s)
- Sabrina Trano
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
| | - Francesca Corsini
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoPiazza Leonardo da Vinci 3220133MilanoItaly
| | - Giuseppe Pascuzzi
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoPiazza Leonardo da Vinci 3220133MilanoItaly
| | - Elisabetta Giove
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
| | - Lucia Fagiolari
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
| | - Julia Amici
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
| | - Carlotta Francia
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
| | - Stefano Turri
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoPiazza Leonardo da Vinci 3220133MilanoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
| | - Silvia Bodoardo
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
| | - Gianmarco Griffini
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoPiazza Leonardo da Vinci 3220133MilanoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
| | - Federico Bella
- Department of Applied Science and TechnologyPolitecnico di TorinoCorso Duca degli Abruzzi 2410129TorinoItaly
- National Interuniversity Consortium of Material Science and Technology (INSTM)Via Giuseppe Giusti 950121FirenzeItaly
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He M, Sun Y, Han B. Green Carbon Science: Efficient Carbon Resource Processing, Utilization, and Recycling towards Carbon Neutrality. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202112835] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Mingyuan He
- Shanghai Key Laboratory of Green Chemistry & Chemical Processes Department of Chemistry East China Normal University Shanghai 200062 China
- Research Institute of Petrochem Processing, SINOPEC Beijing 100083 China
| | - Yuhan Sun
- Low Carbon Energy Conversion Center Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201203 China
- Shanghai Low Carbon Technology Innovation Platform Shanghai 210620 China
| | - Buxing Han
- Shanghai Key Laboratory of Green Chemistry & Chemical Processes Department of Chemistry East China Normal University Shanghai 200062 China
- Beijing National Laboratory for Molecular Sciences Institute of Chemistry Chinese Academy of Sciences Beijing 100190 China
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He M, Sun Y, Han B. Green Carbon Science: Efficient Carbon Resource Processing, Utilization, and Recycling Towards Carbon Neutrality. Angew Chem Int Ed Engl 2021; 61:e202112835. [PMID: 34919305 DOI: 10.1002/anie.202112835] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Indexed: 11/10/2022]
Abstract
Green carbon science is defined as "Study and optimization of the transformation of carbon containing compounds and the relevant processes involved in the entire carbon cycle from carbon resource processing, carbon energy utilization, and carbon recycling to use carbon resources efficiently and minimize the net CO2 emission." [1] Green carbon science is related closely to carbon neutrality, and the relevant fields have developed quickly in the last decade. In this Minireview, we proposed the concept of carbon energy index, and the recent progresses in petroleum refining, production of liquid fuels, chemicals, and materials using coal, methane, CO2, biomass, and waste plastics are highlighted in combination with green carbon science, and an outlook for these important fields is provided in the final section.
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Affiliation(s)
- Mingyuan He
- East China Normal University, Department of Chemistry, 200062, Shanghai, CHINA
| | - Yuhan Sun
- Chinese Academy of Sciences, Shanghai Advanced Research Institute, 201203, Shanghai, CHINA
| | - Buxing Han
- Chinese Academy of Sciences, Institute of Chemistry, Beiyijie number 2, Zhongguancun, 100190, Beijing, CHINA
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Asare Bediako BB, Qian Q, Han B. Synthesis of C 2+ Chemicals from CO 2 and H 2 via C-C Bond Formation. Acc Chem Res 2021; 54:2467-2476. [PMID: 33844914 DOI: 10.1021/acs.accounts.1c00091] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
ConspectusThe severity of global warming necessitates urgent CO2 mitigation strategies. Notably, CO2 is a cheap, abundant, and renewable carbon resource, and its chemical transformation has attracted great attention from society. Because CO2 is in the highest oxidation state of the C atom, the hydrogenation of CO2 is the basic means of converting it to organic chemicals. With the rapid development of H2 generation by water splitting using electricity from renewable resources, reactions using CO2 and H2 have become increasingly important. In the past few decades, the advances of CO2 hydrogenation have mostly been focused on the synthesis of C1 products, such as CO, formic acid and its derivatives, methanol, and methane. In many cases, the chemicals with two or more carbons (C2+) are more important. However, the synthesis of C2+ chemicals from CO2 and H2 is much more difficult because it involves controlled hydrogenation and simultaneous C-C bond formation. Obviously, investigations on this topic are of great scientific and practical significance. In recent years, we have been targeting this issue and have successfully synthesized the basic C2+ chemicals including carboxylic acids, alcohols, and liquid hydrocarbons, during which we discovered several important new reactions and new reaction pathways. In this Account, we systematically present our work and insights in a broad context with other related reports.1.We discovered a reaction of acetic acid production from methanol, CO2 and H2, which is different from the well-known methanol carbonylation. We also discovered a reaction of C3+ carboxylic acids syntheses using ethers to react with CO2 and H2, which proceeds via olefins as intermediates. Following the new reaction, we realized the synthesis of acetamide by introducing various amines, which may inspire the development of further catalytic schemes for preparing a variety of special chemicals using carbon dioxide as a building block.2.We designed a series of homogeneous catalysts to accelerate the production of C2+ alcohols via CO2 hydrogenation. In the heterogeneously catalyzed CO2 hydrogenation, we discovered the role of water in enhancing the synthesis of C2+ alcohols. We also developed a series of routes for ethanol production using CO2 and H2 to react with some substrates, such as methanol, dimethyl ether, aryl methyl ether, lignin, or paraformaldehyde.3.We designed a catalyst that can directly hydrogenate CO2 to C5+ hydrocarbons at 200 °C, not via the traditional CO or methanol intermediates. We also designed a route to couple homogeneous and heterogeneous catalysis, where exceptional results are achieved at 180 °C.
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Affiliation(s)
- Bernard Baffour Asare Bediako
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Qingli Qian
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, No. 5 Yanqi East Second Street, Beijing 101400, China
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid, Interface and Chemical Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, No. 5 Yanqi East Second Street, Beijing 101400, China
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, China
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10
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Lin L, Mei Q, Han X, Parker SF, Yang S. Investigations of Hydrocarbon Species on Solid Catalysts by Inelastic Neutron Scattering. Top Catal 2020. [DOI: 10.1007/s11244-020-01389-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
AbstractThe status of surface species on solid catalysts during heterogeneous catalysis is often mysterious. Investigations of these surface species are crucial to deconvolute the reaction network and design more efficient catalysts. Vibrational spectroscopy is a powerful technique to study the interactions between surface species and the catalysts and infrared (IR) and Raman spectroscopies have been widely applied to study reaction mechanisms in heterogeneous catalysis. However, IR/Raman spectra are difficult to model computationally and important vibrational modes may be IR-, Raman- (or both) inactive due to restrictions by optical selection rules. Inelastic neutron scattering (INS) is another form of vibrational spectroscopy and relies on the scattering of neutrons by the atomic nucleus. A consequence of this is that INS is not subject to any optical selection rules and all vibrations are measurable in principle. INS spectroscopy has been used to investigate surface species on catalysts in a wide range of heterogeneous catalytic reactions. In this mini-review, we focus on applications of INS in two important fields: petrochemical reactions and C1 chemistry. We introduce the basic principles of the INS technique, followed by a discussion of its application in investigating two key catalytic systems: (i) the behaviour of hydrocarbons on metal-oxide and zeolite catalysts and (ii) the formation of hydrocarbonaceous species on methane reforming and Fischer–Tropsch catalysts. The power of INS in studying these important catalytic systems is demonstrated.
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11
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Shen X, Xin Y, Liu H, Han B. Product-oriented Direct Cleavage of Chemical Linkages in Lignin. CHEMSUSCHEM 2020; 13:4367-4381. [PMID: 32449257 DOI: 10.1002/cssc.202001025] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/24/2020] [Indexed: 06/11/2023]
Abstract
Lignin is one of the most important biomacromolecules in the plant biomass and the largest renewable source of aromatic building blocks in nature. Selectively producing value-added chemicals from the catalytic transformation of renewable lignin is of strategic significance and meet sustainability targets owing to the excessive consumption of non-renewable petroleum resource, but remains a long-term challenge owing to the complexity of lignin structure. This Minireview provides a summary and perspective of the extensive research that provides insight into selectively catalytic transformations of lignin and its derived monomers via directed scissor of chemical linkages (C-O and C-C bonds) with product-oriented targets. Furthermore, some challenges and opportunities of lignin catalytic transformation are provided based on existing problems in this field for readers to discuss future research directions.
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Affiliation(s)
- Xiaojun Shen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing, 101407, P. R. China
| | - Yu Xin
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing, 101407, P. R. China
| | - Huizhen Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing, 101407, P. R. China
| | - Buxing Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Colloid and Interface and Thermodynamics, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- School of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Physical Science Laboratory, Huairou National Comprehensive Science Center, Beijing, 101407, P. R. China
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12
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Li H, Bunrit A, Li N, Wang F. Heteroatom-participated lignin cleavage to functionalized aromatics. Chem Soc Rev 2020; 49:3748-3763. [DOI: 10.1039/d0cs00078g] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heteroatom-containing reagents triggered the catalytic cleavage of lignin linkages and functionalization of products simultaneously.
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Affiliation(s)
- Hongji Li
- State Key Laboratory of Catalysis (SKLC)
- Dalian National Laboratory for Clean Energy (DNL)
- Dalian Institute of Chemical Physics (DICP)
- Dalian 116023
- China
| | - Anon Bunrit
- State Key Laboratory of Catalysis (SKLC)
- Dalian National Laboratory for Clean Energy (DNL)
- Dalian Institute of Chemical Physics (DICP)
- Dalian 116023
- China
| | - Ning Li
- State Key Laboratory of Catalysis (SKLC)
- Dalian National Laboratory for Clean Energy (DNL)
- Dalian Institute of Chemical Physics (DICP)
- Dalian 116023
- China
| | - Feng Wang
- State Key Laboratory of Catalysis (SKLC)
- Dalian National Laboratory for Clean Energy (DNL)
- Dalian Institute of Chemical Physics (DICP)
- Dalian 116023
- China
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