1
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Wu Y, Hu Q, Che Y, Niu Z. Opportunities and challenges for plastic depolymerization by biomimetic catalysis. Chem Sci 2024; 15:6200-6217. [PMID: 38699266 PMCID: PMC11062090 DOI: 10.1039/d4sc00070f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 03/20/2024] [Indexed: 05/05/2024] Open
Abstract
Plastic waste has imposed significant burdens on the environment. Chemical recycling allows for repeated regeneration of plastics without deterioration in quality, but often requires harsh reaction conditions, thus being environmentally unfriendly. Enzymatic catalysis offers a promising solution for recycling under mild conditions, but it faces inherent limitations such as poor stability, high cost, and narrow substrate applicability. Biomimetic catalysis may provide a new avenue by combining high enzyme-like activity with the stability of inorganic materials. Biomimetic catalysis has demonstrated great potential in biomass conversion and has recently shown promising progress in plastic degradation. This perspective discusses biomimetic catalysis for plastic degradation from two perspectives: the imitation of the active centers and the imitation of the substrate-binding clefts. Given the chemical similarity between biomass and plastics, relevant work is also included in the discussion to draw inspiration. We conclude this perspective by highlighting the challenges and opportunities in achieving sustainable plastic recycling via a biomimetic approach.
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Affiliation(s)
- Yanfen Wu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University Beijing 100084 China
| | - Qikun Hu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University Beijing 100084 China
| | - Yizhen Che
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University Beijing 100084 China
| | - Zhiqiang Niu
- State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University Beijing 100084 China
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2
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Chen S, Davaritouchaee M. Nature-inspired pretreatment of lignocellulose - Perspective and development. BIORESOURCE TECHNOLOGY 2023; 369:128456. [PMID: 36503090 DOI: 10.1016/j.biortech.2022.128456] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/02/2022] [Accepted: 12/04/2022] [Indexed: 06/17/2023]
Abstract
As sustainability gains increasing importance in addition to cost-effectiveness as a criterion for evaluating engineering systems and practices, biological processes for lignocellulose pretreatment have attracted growing attention. Biological systems such as white and brown rot fungi and wood-consuming insects offer fascinating examples of processes and systems built by nature to effectively deconstruct plant cell walls under environmentally benign and energy-conservative environments. Research in the last decade has resulted in new knowledge that advanced the understanding of these systems, provided additional insights into these systems' functional mechanisms, and demonstrated various applications of these processes. The new knowledge and insights enable the adoption of a nature-inspired strategy aiming at developing technologies that are informed by the biological systems but superior to them by overcoming the inherent weakness of the natural systems. This review discusses the nature-inspired perspective and summarizes related advancements, including the evolution from biological systems to nature-inspired processes, the features of biological pretreatment mechanisms, the development of nature-inspired pretreatment processes, and future perspective. This work aims to highlight a different strategy in the research and development of novel lignocellulose pretreatment processes and offer some food for thought.
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Affiliation(s)
- Shulin Chen
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA.
| | - Maryam Davaritouchaee
- Department of Biological Systems Engineering, Washington State University, Pullman, WA 99164, USA
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3
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Cao YX, Zhu G, Li Y, Le Breton N, Gourlaouen C, Choua S, Boixel J, Jacquot de Rouville HP, Soulé JF. Photoinduced Arylation of Acridinium Salts: Tunable Photoredox Catalysts for C-O Bond Cleavage. J Am Chem Soc 2022; 144:5902-5909. [PMID: 35316065 DOI: 10.1021/jacs.1c12961] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A photoinduced arylation of N-substituted acridinium salts has been developed and has exhibited a high functional group tolerance (e.g., halogen, nitrile, ketone, ester, and nitro). A broad range of well-decorated C9-arylated acridinium-based catalysts with fine-tuned photophysical and photochemical properties, namely, excited-state lifetimes and redox potentials have been synthetized in a one-step procedure. These functionalized acridinium salts were later evaluated in the photoredox-catalyzed fragmentation of 1,2-diol derivatives (lignin models). Among them, 2-bromophenyl substituted N-methyl acridinium has outperformed all photoredox catalysts, including commercial Fukuzumi's catalyst, for the selective CβO-Ar bond cleavage of diol monoarylethers to afford 1,2-diols in good yields.
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Affiliation(s)
- Yi-Xuan Cao
- Univ Rennes, CNRS, UMR 6226, F-3500 Rennes, France
| | - Gan Zhu
- Univ Rennes, CNRS, UMR 6226, F-3500 Rennes, France.,Department of Chemistry, Jinan University, 511443 Guangzhou, China
| | - Yiqun Li
- Department of Chemistry, Jinan University, 511443 Guangzhou, China
| | - Nolwenn Le Breton
- Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Christophe Gourlaouen
- Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Sylvie Choua
- Institut de Chimie de Strasbourg, CNRS UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
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4
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Zhu Q, Nocera DG. Catalytic C(β)–O Bond Cleavage of Lignin in a One-Step Reaction Enabled by a Spin-Center Shift. ACS Catal 2021. [DOI: 10.1021/acscatal.1c04008] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Qilei Zhu
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138−2902, United States
| | - Daniel G. Nocera
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138−2902, United States
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5
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Singh AK, Bilal M, Iqbal HMN, Raj A. Lignin peroxidase in focus for catalytic elimination of contaminants - A critical review on recent progress and perspectives. Int J Biol Macromol 2021; 177:58-82. [PMID: 33577817 DOI: 10.1016/j.ijbiomac.2021.02.032] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 02/05/2023]
Abstract
Lignin peroxidase (LiP) seems to be a catalyst for cleaving high-redox potential non-phenolic compounds with an oxidative cleavage of CC and COC bonds. LiP has been picked to seek a practical and cost-effective alternative to the sustainable mitigation of diverse environmental contaminants. LiP has been an outstanding tool for catalytic cleaning and efficient mitigation of environmental pollutants, including lignin, lignin derivatives, dyes, endocrine-disrupting compounds (EDCs), and persistent organic pollutants (POPs) for the past couple of decades. The extended deployment of LiP has proved to be a promising method for catalyzing these environmentally related hazardous pollutants of supreme interest. The advantageous potential and capabilities to act at different pH and thermostability offer its working tendencies in extended environmental engineering applications. Such advantages led to the emerging demand for LiP and increasing requirements in industrial and biotechnological sectors. The multitude of the ability attributed to LiP is triggered by its stability in xenobiotic and non-phenolic compound degradation. However, over the decades, the catalytic activity of LiP has been continuing in focus enormously towards catalytic functionalities over the available physiochemical, conventional, catalyst mediated technology for catalyzing such molecules. To cover this literature gap, this became much more evident to consider the catalytic attributes of LiP. In this review, the existing capabilities of LiP and other competencies have been described with recent updates. Furthermore, numerous recently emerged applications, such as textile effluent treatment, dye decolorization, catalytic elimination of pharmaceutical and EDCs compounds, have been discussed with suitable examples.
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Affiliation(s)
- Anil Kumar Singh
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
| | - Abhay Raj
- Environmental Microbiology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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6
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Abstract
Supported gold and platinum particles on titanium oxide catalysts were evaluated in the oxidative depolymerization of lignins toward high added value aromatics under mild conditions (T: 150 °C, Pair: 20 bar, CNaOH: 10 g/L, 1 h). Kraft and ethanol Organosolv lignins were engaged in the study. Gold catalyst showed a strong tendency to further oxidize aromatics produced from lignin depolymerization to volatile compounds leading to very low yield in target molecules. On the contrary, platinum-based catalysts were allowed to observe enhanced yields that were attributed to its ability to preserve lignin’s substructure during the reaction. A kinetic model was constructed based on the results observed, which allowed us to identify the occurrence of condensation reactions during lignin oxidation and degradation of the produced aromatic compounds as the main limitations to reach high product yields. Insights on lignin oxidation and the catalyst’s role lead through this study would help to reach higher control over lignin valorization.
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7
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Bao H, Sagues WJ, Wang Y, Peng W, Zhang L, Yang S, Xiao D, Tong Z. Depolymerization of Lignin into Monophenolics by Ferrous/Persulfate Reagent under Mild Conditions. CHEMSUSCHEM 2020; 13:6582-6593. [PMID: 33078554 DOI: 10.1002/cssc.202002240] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2020] [Revised: 10/18/2020] [Indexed: 06/11/2023]
Abstract
This study aimed to use a persulfate together with transition metal ions as the reagent to effectively depolymerize lignin into monophenolic compounds under mild conditions (ambient pressure, temperature <100 °C). The Box-Behnken experimental design in combination with the response surface methodology was applied to obtain optimized reaction conditions. The results showed that this reagent could depolymerize up to 99 % of lignin dimers to mainly veratraldehyde. This reaction also successfully depolymerized industrial lignins with a high yield of phenolic oils and monophenolic compounds. Quantum chemistry calculations using the density functional theory level indicated that the persulfate free radical attacks Cβ to break the β-O-4 bond of lignin through a five-membered ring mechanism. This mechanism using persulfate free radicals has a lower activation barrier than that using hydroxyl radicals. Gel permeation chromatography and 2D-NMR spectroscopy demonstrated the effective cleavage of the β-O-4 bonds of lignin after depolymerization.
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Affiliation(s)
- Hanxi Bao
- Agricultural and Biological Engineering, University of Florida, 1741 Museum Rd, Gainesville, FL, 32603, USA
| | - William J Sagues
- Department of Forest Biomaterials, North Carolina State University, 2820, Faucette Dr, Raleigh, NC 27606, USA
| | - Yigui Wang
- Center for Integrative Materials Discovery Department of Chemistry and Chemical Engineering, University of New Haven, 300 Boston Post Rd, West Haven, CT, 06516, USA
| | - Wenbo Peng
- Agricultural and Biological Engineering, University of Florida, 1741 Museum Rd, Gainesville, FL, 32603, USA
| | - Lin Zhang
- Agricultural and Biological Engineering, University of Florida, 1741 Museum Rd, Gainesville, FL, 32603, USA
| | - Shunchang Yang
- Agricultural and Biological Engineering, University of Florida, 1741 Museum Rd, Gainesville, FL, 32603, USA
| | - Dequan Xiao
- Center for Integrative Materials Discovery Department of Chemistry and Chemical Engineering, University of New Haven, 300 Boston Post Rd, West Haven, CT, 06516, USA
| | - Zhaohui Tong
- Agricultural and Biological Engineering, University of Florida, 1741 Museum Rd, Gainesville, FL, 32603, USA
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8
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Gao K, Xu M, Cai C, Ding Y, Chen J, Liu B, Xia Y. Cobalt-Catalyzed Reductive C-O Bond Cleavage of Lignin β-O-4 Ketone Models via In Situ Generation of the Cobalt-Boryl Species. Org Lett 2020; 22:6055-6060. [PMID: 32697919 DOI: 10.1021/acs.orglett.0c02117] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
An efficient and mild method for reductive C-O bond cleavage of lignin β-O-4 ketone models was developed to afford the corresponding ketones and phenols with PDI-CoCl2 as the precatalyst and diboron reagent as the reductant. The synthetic utility of the methodology was demonstrated by depolymerization of a polymeric model and gram-scale transformation. Mechanistic studies suggested that this transformation involves steps of carbonyl insertion, 1,2-Brook type rearrangement, β-oxygen elimination, and rate-limiting regeneration of the catalytic active Co-B species.
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Affiliation(s)
- Kecheng Gao
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Man Xu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Cheng Cai
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yanghao Ding
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Jianhui Chen
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Bosheng Liu
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
| | - Yuanzhi Xia
- College of Chemistry and Materials Engineering, Wenzhou University, Wenzhou 325035, China
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9
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Chen J, Yang H, Fu H, He H, Zeng Q, Li X. Electrochemical oxidation mechanisms for selective products due to C-O and C-C cleavages of β-O-4 linkages in lignin model compounds. Phys Chem Chem Phys 2020; 22:11508-11518. [PMID: 32393942 DOI: 10.1039/d0cp01091j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Electrochemical oxidation is a promising and effective method for lignin depolymerization owing to its selective oxidation capacity and environmental friendliness. Herein, the electrooxidation of non-phenolic alkyl aryl ether monomers and β-O-4 dimers was experimentally (by cyclic voltammetry, in situ spectroelectrochemistry, and gas chromatography-mass spectroscopy) and theoretically (by DFT calculations) explored in detail. Compared to the reported literature (T. Shiraishi, T. Takano, H. Kamitakahara and F. Nakatsubo, Holzforschung, 2012, 66(3), 303-309), 1-(4-ethoxyphenyl)ethanol showed a distinguishable oxidation pathway, where the resulting carbonyl product surprisingly underwent a bond cleavage on alkyl-aryl ether to ultimately produce a quinoid like compound. In contrast, β-O-4 dimers, like 2-phenoxy-1-phenethanol and 2-phenoxyacetophenone also demonstrated electrochemical oxidation induced by Cβ-O and Cα-Cβ bond cleavages. For the oxidation products, the presence of the Cα-hydroxyl group in dimers was the key to selectively generate aldehyde-containing species under mild electrochemical conditions, otherwise it produces alcohol-containing products following a different mechanism compared to the Cα[double bond, length as m-dash]O containing dimers.
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Affiliation(s)
- Jing Chen
- School of Chemistry and Chemical Engineering, State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, Guangdong, 510640, China.
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10
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Wang M, Wang F. Catalytic Scissoring of Lignin into Aryl Monomers. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1901866. [PMID: 31821648 DOI: 10.1002/adma.201901866] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 06/10/2019] [Indexed: 06/10/2023]
Abstract
Lignin is an aromatic polymer, which is the biggest and most sustainable reservoir for aromatics. The selective conversion of lignin polymers into aryl monomers is a promising route to provide aromatics, but it is also a challenging task. Compared to cellulose, lignin remains the most poorly utilized biopolymer due to its complex structure. Although harsh conditions can degrade lignin, the aromatic rings are usually destroyed. This article comprehensively analyzes the challenges facing the scissoring of lignin into aryl monomers and summarizes the recent progress, focusing on the strategies and the catalysts to address the problems. Finally, emphasis is given to the outlook and future directions of this research.
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Affiliation(s)
- Min Wang
- State Key Laboratory of Fine Chemicals, Zhang Dayu School of Chemistry, Dalian University of Technology, Dalian, 116024, Liaoning, China
| | - Feng Wang
- State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, Liaoning, China
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11
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Barbieri A, Kasper JB, Mecozzi F, Lanzalunga O, Browne WR. Origins of Catalyst Inhibition in the Manganese-Catalysed Oxidation of Lignin Model Compounds with H 2 O 2. CHEMSUSCHEM 2019; 12:3126-3133. [PMID: 31001914 PMCID: PMC6617720 DOI: 10.1002/cssc.201900689] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 04/13/2019] [Indexed: 05/26/2023]
Abstract
The upgrading of complex bio-renewable feedstock, such as lignocellulose, through depolymerisation benefits from the selective reactions at key functional groups. Applying homogeneous catalysts developed for selective organic oxidative transformations to complex feedstock such as lignin is challenged by the presence of interfering components. The selection of appropriate model compounds is essential in applying new catalytic systems and identifying such interferences. Here, it was shown by using as an example the oxidation of a model substrate containing a β-O-4 linkage with H2 O2 and an in situ-prepared manganese-based catalyst, capable of efficient oxidation of benzylic alcohols, that interference from compounds liberated during the reaction can prevent its application to lignocellulose depolymerisation.
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Affiliation(s)
- Alessia Barbieri
- Dipartimento di ChimicaUniversita'di Roma “La Sapienza”P.le A. Moro 5I-00185RomeItaly
| | - Johann B. Kasper
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
| | - Francesco Mecozzi
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
| | - Osvaldo Lanzalunga
- Dipartimento di ChimicaUniversita'di Roma “La Sapienza”P.le A. Moro 5I-00185RomeItaly
| | - Wesley R. Browne
- Molecular Inorganic ChemistryStratingh Institute for ChemistryFaculty of Science and EngineeringUniversity of GroningenNijenborgh 49747AGGroningenThe Netherlands
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12
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Magallanes G, Kärkäs MD, Bosque I, Lee S, Maldonado S, Stephenson CRJ. Selective C–O Bond Cleavage of Lignin Systems and Polymers Enabled by Sequential Palladium-Catalyzed Aerobic Oxidation and Visible-Light Photoredox Catalysis. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04172] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Gabriel Magallanes
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Markus D. Kärkäs
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Department of Chemistry, Organic Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Irene Bosque
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Sudarat Lee
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
| | - Stephen Maldonado
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
- Program in Applied Physics, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Corey R. J. Stephenson
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109, United States
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13
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Zhou W, Nakahashi J, Miura T, Murakami M. Light/Copper Relay for Aerobic Fragmentation of Lignin Model Compounds. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800520] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Wang Zhou
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615-8510 Japan
| | - Junki Nakahashi
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615-8510 Japan
| | - Tomoya Miura
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615-8510 Japan
| | - Masahiro Murakami
- Department of Synthetic Chemistry and Biological Chemistry Kyoto University, Katsura Kyoto 615-8510 Japan
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14
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Zhang J. Conversion of Lignin Models by Photoredox Catalysis. CHEMSUSCHEM 2018; 11:3071-3080. [PMID: 29989337 DOI: 10.1002/cssc.201801370] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/06/2018] [Indexed: 06/08/2023]
Abstract
One prominent goal of 21st century research is to develop a sustainable carbon-neutral biorefinery. Lignin is an important component of lignocellulosic biomass; however, it is currently underutilized owing to its highly cross-linked, complex, and randomly polymerized composition, which poses a significant challenge to its depolymerization and valorization. Chemical catalytic approaches based on transition metals represent the primary research area to drive degradation reactions. Recently, alternative photocatalytic strategies that employ sustainable solar energy to initiate the transformation of lignin have started to emerge. This Concept article examines new developments of photocatalyzed reactions and provides insight into C-O and C-C bond-cleavage reactions of lignin models in both homogeneous and heterogeneous systems.
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Affiliation(s)
- Jian Zhang
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE, 68588, USA
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
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15
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Review on Catalytic Cleavage of C–C Inter-unit Linkages in Lignin Model Compounds: Towards Lignin Depolymerisation. Top Catal 2018. [DOI: 10.1007/s11244-018-0909-2] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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16
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Peng C, Liu W, Ning S, Ge G, Zhao ZK. Oxidative Coupling of â- O
-4′ Dilignol Models Leading to Polycyclic Products with Rare Interlignol Linkages. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700529] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Chang Peng
- Division of Biotechnology; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
- University of Chinese Academy of Sciences; Beijing 100049 China
| | - Wujun Liu
- Division of Biotechnology; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
| | - Siyang Ning
- Division of Biotechnology; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
| | - Guangbo Ge
- Division of Biotechnology; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
| | - Zongbao K. Zhao
- Division of Biotechnology; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
- Dalian National Laboratory for Clean Energy; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
- State Key Laboratory of Catalysis; Dalian Institute of Chemical Physics, Chinese Academy of Sciences; Dalian 116023 China
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17
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Bosque I, Magallanes G, Rigoulet M, Kärkäs MD, Stephenson CRJ. Redox Catalysis Facilitates Lignin Depolymerization. ACS CENTRAL SCIENCE 2017; 3:621-628. [PMID: 28691074 PMCID: PMC5492418 DOI: 10.1021/acscentsci.7b00140] [Citation(s) in RCA: 118] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Indexed: 05/06/2023]
Abstract
Lignin is a recalcitrant and underexploited natural feedstock for aromatic commodity chemicals, and its degradation generally requires the use of high temperatures and harsh reaction conditions. Herein we present an ambient temperature one-pot process for the controlled oxidation and depolymerization of this potent resource. Harnessing the potential of electrocatalytic oxidation in conjugation with our photocatalytic cleavage methodology, we have developed an operationally simple procedure for selective fragmentation of β-O-4 bonds with excellent mass recovery, which provides a unique opportunity to expand the existing lignin usage from energy source to commodity chemicals and synthetic building block source.
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18
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Shen T, Tang J, Tang C, Wu J, Wang L, Zhu C, Ying H. Continuous Microflow Synthesis of Fuel Precursors from Platform Molecules Catalyzed by 1,5,7-Triazabicyclo[4.4.0]dec-5-ene. Org Process Res Dev 2017. [DOI: 10.1021/acs.oprd.7b00141] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Tao Shen
- College
of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
- National Engineering Technique Research Center for Biotechnology, Nanjing 211816, China
| | - Jingjing Tang
- College
of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
- National Engineering Technique Research Center for Biotechnology, Nanjing 211816, China
| | - Chenglun Tang
- College
of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
- National Engineering Technique Research Center for Biotechnology, Nanjing 211816, China
| | - Jinglan Wu
- College
of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
- National Engineering Technique Research Center for Biotechnology, Nanjing 211816, China
| | - Linfeng Wang
- State Key Laboratory of Motor Vehicle Biofuel Technology, Nanyang 473000, China
| | - Chenjie Zhu
- College
of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
- National Engineering Technique Research Center for Biotechnology, Nanjing 211816, China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing 211816, China
| | - Hanjie Ying
- College
of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
- National Engineering Technique Research Center for Biotechnology, Nanjing 211816, China
- Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing 211816, China
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19
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Wang L, Chen Y, Liu S, Jiang H, Wang L, Sun Y, Wan P. Study on the cleavage of alkyl-O-aryl bonds by in situ generated hydroxyl radicals on an ORR cathode. RSC Adv 2017. [DOI: 10.1039/c7ra11236j] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
˙OH selectively attacks the active sites opposite to phenolic hydroxyl groups and leads to bond-cleavage of ether bonds.
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Affiliation(s)
- Lei Wang
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
| | - Yongmei Chen
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
| | - Shuangyan Liu
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
| | - Haomin Jiang
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
| | - Linan Wang
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
| | - Yanzhi Sun
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
| | - Pingyu Wan
- National Fundamental Research Laboratory of New Hazardous Chemicals Assessment & Accident Analysis
- Beijing University of Chemical Technology
- 100029 Beijing
- P. R. China
- Institute of Applied Electrochemistry
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20
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Kärkäs MD, Matsuura BS, Monos TM, Magallanes G, Stephenson CRJ. Transition-metal catalyzed valorization of lignin: the key to a sustainable carbon-neutral future. Org Biomol Chem 2016; 14:1853-914. [PMID: 26732312 DOI: 10.1039/c5ob02212f] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The development of a sustainable, carbon-neutral biorefinery has emerged as a prominent scientific and engineering goal of the 21st century. As petroleum has become less accessible, biomass-based carbon sources have been investigated for utility in fuel production and commodity chemical manufacturing. One underutilized biomaterial is lignin; however, its highly crosslinked and randomly polymerized composition have rendered this biopolymer recalcitrant to existing chemical processing. More recently, insight into lignin's molecular structure has reinvigorated chemists to develop catalytic methods for lignin depolymerization. This review examines the development of transition-metal catalyzed reactions and the insights shared between the homogeneous and heterogeneous catalytic systems towards the ultimate goal of valorizing lignin to produce value-added products.
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Affiliation(s)
- Markus D Kärkäs
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Bryan S Matsuura
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Timothy M Monos
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Gabriel Magallanes
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
| | - Corey R J Stephenson
- Department of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, USA.
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21
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Kärkäs MD, Bosque I, Matsuura BS, Stephenson CRJ. Photocatalytic Oxidation of Lignin Model Systems by Merging Visible-Light Photoredox and Palladium Catalysis. Org Lett 2016; 18:5166-5169. [DOI: 10.1021/acs.orglett.6b02651] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Markus D. Kärkäs
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Irene Bosque
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Bryan S. Matsuura
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Corey R. J. Stephenson
- Department
of Chemistry, University of Michigan, Ann Arbor, Michigan 48109, United States
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22
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Luo J, Zhang J. Aerobic Oxidation of Olefins and Lignin Model Compounds Using Photogenerated Phthalimide-N-oxyl Radical. J Org Chem 2016; 81:9131-9137. [DOI: 10.1021/acs.joc.6b01704] [Citation(s) in RCA: 51] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jian Luo
- Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
| | - Jian Zhang
- Department of Chemistry, University of Nebraska—Lincoln, Lincoln, Nebraska 68588, United States
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23
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Jiang YY, Yan L, Yu HZ, Zhang Q, Fu Y. Mechanism of Vanadium-Catalyzed Selective C–O and C–C Cleavage of Lignin Model Compound. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00239] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Yuan-Ye Jiang
- Hefei
National Laboratory for Physical Sciences at the Microscale, iChEM,
CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key
Laboratory of Biomass Clean Energy, Department of Chemistry, University of Science and Technology of China, Hefei 230026, People’s Republic of China
| | - Long Yan
- Hefei
National Laboratory for Physical Sciences at the Microscale, iChEM,
CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key
Laboratory of Biomass Clean Energy, Department of Chemistry, University of Science and Technology of China, Hefei 230026, People’s Republic of China
| | - Hai-Zhu Yu
- Department
of Chemistry and Centre for Atomic Engineering of Advanced Materials, Anhui University, Hefei, 230601, People’s Republic of China
| | - Qi Zhang
- Hefei
National Laboratory for Physical Sciences at the Microscale, iChEM,
CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key
Laboratory of Biomass Clean Energy, Department of Chemistry, University of Science and Technology of China, Hefei 230026, People’s Republic of China
| | - Yao Fu
- Hefei
National Laboratory for Physical Sciences at the Microscale, iChEM,
CAS Key Laboratory of Urban Pollutant Conversion, Anhui Province Key
Laboratory of Biomass Clean Energy, Department of Chemistry, University of Science and Technology of China, Hefei 230026, People’s Republic of China
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