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Si D, Teng X, Xiong B, Chen L, Shi J. Electrocatalytic functional group conversion-based carbon resource upgrading. Chem Sci 2024; 15:6269-6284. [PMID: 38699249 PMCID: PMC11062096 DOI: 10.1039/d4sc00175c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 03/23/2024] [Indexed: 05/05/2024] Open
Abstract
The conversions of carbon resources, such as alcohols, aldehydes/ketones, and ethers, have been being one of the hottest topics most recently for the goal of carbon neutralization. The emerging electrocatalytic upgrading has been regarded as a promising strategy aiming to convert carbon resources into value-added chemicals. Although exciting progress has been made and reviewed recently in this area by mostly focusing on the explorations of valuable anodic oxidation or cathodic reduction reactions individually, however, the reaction rules of these reactions are still missing, and how to purposely find or rationally design novel but efficient reactions in batches is still challenging. The properties and transformations of key functional groups in substrate molecules play critically important roles in carbon resources conversion reactions, which have been paid more attention to and may offer hidden keys to achieve the above goal. In this review, the properties of functional groups are addressed and discussed in detail, and the reported electrocatalytic upgrading reactions are summarized in four categories based on the types of functional groups of carbon resources. Possible reaction pathways closely related to functional groups will be summarized from the aspects of activation, cleavage and formation of chemical bonds. The current challenges and future opportunities of electrocatalytic upgrading of carbon resources are discussed at the end of this review.
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Affiliation(s)
- Di Si
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular and Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 China
| | - Xue Teng
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular and Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 China
| | - Bingyan Xiong
- Shanghai Tenth People's Hospital, Shanghai Frontiers Science Center of Nanocatalytic Medicine, School of Medicine, Tongji University Shanghai 200072 P. R. China
| | - Lisong Chen
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, State Key Laboratory of Petroleum Molecular and Process Engineering, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 China
- Institute of Eco-Chongming Shanghai 202162 China
| | - Jianlin Shi
- Shanghai Institute of Ceramics, Chinese Academy of Sciences Shanghai 200050 P. R. China
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Derosa J, Garrido-Barros P, Peters JC. Electrocatalytic Reduction of C-C π-Bonds via a Cobaltocene-Derived Concerted Proton-Electron Transfer Mediator: Fumarate Hydrogenation as a Model Study. J Am Chem Soc 2021; 143:9303-9307. [PMID: 34138550 DOI: 10.1021/jacs.1c03335] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Reductive concerted proton-electron transfer (CPET) is poorly developed for the reduction of C-C π-bonds, including for activated alkenes that can succumb to deleterious pathways (e.g., a competing hydrogen evolution reaction or oligomerization) in a standard electrochemical reduction. We demonstrate herein that selective hydrogenation of the C-C π-bond of fumarate esters can be achieved via electrocatalytic CPET (eCPET) using a CPET mediator comprising cobaltocene with a tethered Brønsted base. High selectivity for electrocatalytic hydrogenation is observed only when the mediator is present. Mechanistic analysis sheds light on two distinct kinetic regimes based on the substrate concentration: low fumarate concentrations operate via rate-limiting CPET followed by an electron-transfer/proton-transfer (ET/PT) step, whereas high concentrations operate via CPET followed by a rate-limiting ET/PT step.
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Affiliation(s)
- Joseph Derosa
- Division of Chemistry and Chemical Engineering, California Institute of Technology (Caltech), Pasadena, California 91125, United States
| | - Pablo Garrido-Barros
- Division of Chemistry and Chemical Engineering, California Institute of Technology (Caltech), Pasadena, California 91125, United States
| | - Jonas C Peters
- Division of Chemistry and Chemical Engineering, California Institute of Technology (Caltech), Pasadena, California 91125, United States
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Annenkov VV, Gordon R, Zelinskiy SN, Danilovtseva EN. The Probable Mechanism for Silicon Capture by Diatom Algae: Assimilation of Polycarbonic Acids with Diatoms-Is Endocytosis a Key Stage in Building of Siliceous Frustules? JOURNAL OF PHYCOLOGY 2020; 56:1729-1737. [PMID: 32767752 DOI: 10.1111/jpy.13062] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/28/2020] [Indexed: 06/11/2023]
Abstract
Many organisms including unicellular (diatoms, radiolaria, and chrysophytes), higher plants (rice and horsetail) and animals (sponges) use silica as a main part of skeletons. The bioavailable form of silicon is silicic acid and the mechanism of silicic acid penetration into living cells is still an enigma. Macropinocytosis was assumed as a key stage of the silicon capture by diatoms but assimilation of monomeric silicic acid by this way requires enormous amounts of water to be passed through the cell. We hypothesized that silicon can be captured by diatoms via endocytosis in the form of partially condensed silicic acid (oligosilicates) whose formation on the diatom surface was supposed. Oligosilicates are negatively charged nanoparticles and similar to coils of poly(acrylic acid) (PAA). We have synthesized fluorescent tagged PAA as well as several neutral and positively charged polymers. Cultivation of the diatom Ulnaria ferefusiformis in the presence of these polymers showed that only PAA is able to penetrate into siliceous frustules. The presence of PAA in the frustules was confirmed with chromatography and PAA causes various aberrations of the valve morphology. Growth of U. ferefusiformis and two other diatoms in the presence of tri- and tetracarbonic fluorescent tagged acids points to the ability of diatoms to recognize substances that bear four acidic groups and to include them into siliceous frustules. Thus, partial condensation of silicic acid is a plausible first stage of silicon assimilation.
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Affiliation(s)
- Vadim V Annenkov
- Limnological Institute of Siberian Branch of the Russian Academy of Sciences, 3, Ulan-Bator Str., Irkutsk, 664033, Russia
| | - Richard Gordon
- Gulf Specimen Marine Laboratory & Aquarium, 222 Clark Drive, Panacea, Florida, 32346, USA
- C.S. Mott Center for Human Growth &, Development Department of Obstetrics & Gynecology, Wayne State University, 275 E. Hancock, Detroit, Michigan, 48201, USA
| | - Stanislav N Zelinskiy
- Limnological Institute of Siberian Branch of the Russian Academy of Sciences, 3, Ulan-Bator Str., Irkutsk, 664033, Russia
| | - Elena N Danilovtseva
- Limnological Institute of Siberian Branch of the Russian Academy of Sciences, 3, Ulan-Bator Str., Irkutsk, 664033, Russia
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Fotouhi L, Heravi MM, Zadsirjan V, Atoi PA. Electrochemically Induced Michael Addition Reaction: An Overview. CHEM REC 2018; 18:1633-1657. [PMID: 29920924 DOI: 10.1002/tcr.201800022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Accepted: 05/24/2018] [Indexed: 11/09/2022]
Abstract
Due to its high potential for the formation of carbon-carbon bonds, Michael addition reaction is one of the closest reactions to the heart of synthetic organic chemists. Electrochemistry presents a very stimulating and divergent resource for selective oxidation and reduction in organic chemistry, generating activated species, for example radical anions or radical cations. In this review, we try to underscore usefulness of electrogenerated Michael addition reaction with the hope of encouraging synthetic organic chemists to contemplate it, as an efficient and green strategy when it is required in their designed multi-step reaction pathways.
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Affiliation(s)
- Lida Fotouhi
- Department of Chemistry, Alzahra University, Vanak, Tehran, Iran
| | - Majid M Heravi
- Department of Chemistry, Alzahra University, Vanak, Tehran, Iran
| | | | - Paria Asadi Atoi
- Department of Chemistry, Alzahra University, Vanak, Tehran, Iran
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Yan M, Kawamata Y, Baran PS. Synthetic Organic Electrochemical Methods Since 2000: On the Verge of a Renaissance. Chem Rev 2017; 117:13230-13319. [PMID: 28991454 PMCID: PMC5786875 DOI: 10.1021/acs.chemrev.7b00397] [Citation(s) in RCA: 1891] [Impact Index Per Article: 270.1] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Electrochemistry represents one of the most intimate ways of interacting with molecules. This review discusses advances in synthetic organic electrochemistry since 2000. Enabling methods and synthetic applications are analyzed alongside innate advantages as well as future challenges of electroorganic chemistry.
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Affiliation(s)
| | | | - Phil S. Baran
- Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, United States
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Schäfer HJ, Harenbrock M, Klocke E, Plate M, Weiper-Idelmann A. Electrolysis for the benign conversion of renewable feedstocks. PURE APPL CHEM 2007. [DOI: 10.1351/pac200779112047] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A large variety of C,C-bond forming reactions and functional group interconversions can be achieved by electron transfer. For the conversion of renewable feedstocks, electrolysis has been applied to coupling of radicals generated by anodic decarboxylation of fatty acids and carboxylic acids of carbohydrates. Furthermore, a derivative of L-gulonic acid is converted nearly quantitatively into L-xylonolacton. Trimethyl aconitate from trimethyl citronate is dimerized stereoselectively at the cathode in 72 % yield to a cyclic hexamethyl ester by an inter- and intramolecular Michael addition. Two acetoxy groups are added anodically to methyl conjuenate (obtained from methyl linoleate) to form methyl (E)-9,12-diacetoxy-10-octenoate and methyl (E)-10,13-diacetoxy-11-octenoate in 85 % yield. The primary hydroxy groups in mono- and disaccharides can be oxidized to carboxylic acid groups in good yield and high selectivity by anodic oxidation with 2,2,6,6-tetramethylpiperidine-N-oxyl (TEMPO) as mediator. The results demonstrate that electrolysis is in good accordance with many of the 12 principles of green chemistry.
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Affiliation(s)
- Hans J. Schäfer
- 1Institute of Organic Chemistry, University of Münster, D-48149 Münster, Correns-Strasse 40, Germany
| | - Michael Harenbrock
- 1Institute of Organic Chemistry, University of Münster, D-48149 Münster, Correns-Strasse 40, Germany
| | - Elisabeth Klocke
- 1Institute of Organic Chemistry, University of Münster, D-48149 Münster, Correns-Strasse 40, Germany
| | - Mark Plate
- 1Institute of Organic Chemistry, University of Münster, D-48149 Münster, Correns-Strasse 40, Germany
| | - Andreas Weiper-Idelmann
- 1Institute of Organic Chemistry, University of Münster, D-48149 Münster, Correns-Strasse 40, Germany
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Witthaut D, Fröhlich R, Schäfer HJ. Heterocyclen durch Dominoreaktionen mit Aconitsäuretrimethylester, einem vielseitigen Synthesebaustein. Angew Chem Int Ed Engl 2001. [DOI: 10.1002/1521-3757(20011119)113:22<4354::aid-ange4354>3.0.co;2-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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