1
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Ghoshal S, Sarkar P. First-Principles Insights into the Mechanism of CO 2 Hydrogenation Reactions by Fe-PNP Pincer Complex. Chemphyschem 2024:e202400425. [PMID: 38758533 DOI: 10.1002/cphc.202400425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 05/18/2024]
Abstract
Using the state of the art theoretical methods, we have provided a comprehensive mechanistic understanding of the CO2 hydrogenation into HCOOH, H2CO, and CH3OH by 2,6-bis(diisopropylphosphinomethyl)pyridine (PNP)-ligated Fe pincer complex, featuring one CO and two H as co-ligands. For the computational investigation, a verified structural model containing methyl groups in place of the experimental isopropyl groups was used. Three catalytic conversions involving hydrogenation of CO2 into formic acid (HCOOH), HCOOH into formaldehyde and methanol were studied in different solvent medium. Our modelled complex appears to be a viable base-free catalyst for the conversion of CO2 into HCOOH and HCOOH into H2CO, based on the free energy profiles, which show apparent activation energy barriers of 16.28 kcal/mol and 23.63 kcal/mol for the CO2 to HCOOH and HCOOH to H2CO conversion, respectively. However, the computed results show that, due to the huge energy span of H2CO to CH3OH conversion, complete hydrogenation of CO2 into methanol could not occur under moderate conditions. Morpholine co-catalyst, which can lower the hydrogenation barrier by taking part in a simultaneous H-atom donation-acceptance process, could have assisted in completing this step.
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Affiliation(s)
- Sourav Ghoshal
- Department of Chemistry, Visva-Bharati University, Santiniketan, 731235
| | - Pranab Sarkar
- Department of Chemistry, Visva-Bharati University, Santiniketan, 731235
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2
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Intrator JA, Velazquez DA, Fan S, Mastrobattista E, Yu C, Marinescu SC. Electrocatalytic CO 2 reduction to formate by a cobalt phosphino-thiolate complex. Chem Sci 2024; 15:6385-6396. [PMID: 38699267 PMCID: PMC11062087 DOI: 10.1039/d3sc06805f] [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: 12/19/2023] [Accepted: 02/09/2024] [Indexed: 05/05/2024] Open
Abstract
Electrochemical conversion of CO2 to value-added products serves as an attractive method to store renewable energy as energy-dense fuels. Selectivity in this type of conversion can be limited, often leading to the formation of side products such as H2. The activity of a cobalt phosphino-thiolate complex ([Co(triphos)(bdt)]+) towards the selective reduction of CO2 to formate is explored in this report. In the presence of H2O, selective production of formate (as high as 94%) is observed at overpotentials of 750 mV, displaying negligible current degradation during long-term electrolysis experiments ranging as long as 24 hours. Chemical reduction studies of [Co(triphos)(bdt)]+ indicates deligation of the apical phosphine moiety is likely before catalysis. Computational and experimental results suggest a metal-hydride pathway, indicating an ECEC based mechanism.
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Affiliation(s)
- Jeremy A Intrator
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - David A Velazquez
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Sicheng Fan
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Ellie Mastrobattista
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Christine Yu
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
| | - Smaranda C Marinescu
- Department of Chemistry, University of Southern California Los Angeles CA 900089 USA
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3
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Luo SH, Zhao XJ, Cao MF, Xu J, Wang WL, Lu XY, Huang QT, Yue XX, Liu GK, Yang L, Ren B, Tian ZQ. Signal2signal: Pushing the Spatiotemporal Resolution to the Limit by Single Chemical Hyperspectral Imaging. Anal Chem 2024; 96:6550-6557. [PMID: 38642045 DOI: 10.1021/acs.analchem.3c04609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2024]
Abstract
There is growing interest in developing a high-performance self-supervised denoising algorithm for real-time chemical hyperspectral imaging. With a good understanding of the working function of the zero-shot Noise2Noise-based denoising algorithm, we developed a self-supervised Signal2Signal (S2S) algorithm for real-time denoising with a single chemical hyperspectral image. Owing to the accurate distinction and capture of the weak signal from the random fluctuating noise, S2S displays excellent denoising performance, even for the hyperspectral image with a spectral signal-to-noise ratio (SNR) as low as 1.12. Under this condition, both the image clarity and the spatial resolution could be significantly improved and present an almost identical pattern with a spectral SNR of 7.87. The feasibility of real-time denoising during imaging was well demonstrated, and S2S was applied to monitor the photoinduced exfoliation of transition metal dichalcogenide, which is hard to accomplish by confocal Raman spectroscopy. In general, the real-time denoising capability of S2S offers an easy way toward in situ/in vivo/operando research with much improved spatial and temporal resolution. S2S is open-source at https://github.com/3331822w/Signal2signal and will be accessible online at https://ramancloud.xmu.edu.cn/tutorial.
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Affiliation(s)
- Si-Heng Luo
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Xiao-Jiao Zhao
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Mao-Feng Cao
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jing Xu
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Wei-Li Wang
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Xin-Yu Lu
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Qiu-Ting Huang
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Xia-Xia Yue
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Guo-Kun Liu
- State Key Laboratory of Marine Environmental Science, Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, Center for Marine Environmental Chemistry & Toxicology, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
| | - Liu Yang
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Bin Ren
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Zhong-Qun Tian
- State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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4
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Tang Y, Pu M, Lei M. Cyclopentadienone Diphosphine Ruthenium Complex: A Designed Catalyst for the Hydrogenation of Carbon Dioxide to Methanol. J Org Chem 2024; 89:2431-2439. [PMID: 38306607 DOI: 10.1021/acs.joc.3c02438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2024]
Abstract
The development of homogeneous metal catalysts for the efficient hydrogenation of carbon dioxide (CO2) into methanol (CH3OH) remains a significant challenge. In this study, a new cyclopentadienone diphosphine ligand (CPDDP ligand) was designed, which could coordinate with ruthenium to form a Ru-CPDDP complex to efficiently catalyze the CO2-to-methanol process using dihydrogen (H2) as the hydrogen resource based on density functional theory (DFT) mechanistic investigation. This process consists of three catalytic cycles, stage I (the hydrogenation of CO2 to HCOOH), stage II (the hydrogenation of HCOOH to HCHO), and stage III (the hydrogenation of HCHO to CH3OH). The calculated free energy barriers for the hydrogen transfer (HT) steps of stage I, stage II, and stage III are 7.5, 14.5, and 3.5 kcal/mol, respectively. The most favorable pathway of the dihydrogen activation (DA) steps of three stages to regenerate catalytic species is proposed to be the formate-assisted DA step with a free energy barrier of 10.4 kcal/mol. The calculated results indicate that the designed Ru-CPDDP and Ru-CPDDPEt complexes could catalyze hydrogenation of CO2 to CH3OH (HCM) under mild conditions and that the transition-metal owning designed CPDDP ligand framework be one kind of promising potential efficient catalysts for HCM.
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Affiliation(s)
- Yanhui Tang
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
- School of Materials Design and Engineering, Beijing Institute of Fashion Technology, Beijing 100029, P.R. China
| | - Min Pu
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, P.R. China
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5
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Tsai CP, Chen CY, Lin YL, Lan JC, Tsai ML. Catalytic Dehydrogenation of Formic Acid Promoted by Triphos-Co Complexes: Two Competing Pathways for H 2 Production. Inorg Chem 2024; 63:1759-1773. [PMID: 38217506 DOI: 10.1021/acs.inorgchem.3c02959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2024]
Abstract
In this study, we reported the synthesis and structural characterization of a triphos-CoII complex [(κ3-triphos)CoII(CH3CN)2]2+ (1) and a triphos-CoI-H complex [(κ2-triphos)HCoI(CO)2] (4). The facile synthetic pathways from 1 to [(κ3-triphos)CoII(κ2-O2CH)]+ (1') and [(κ3-triphos)CoI(CH3CN)]+ (2), respectively, as well as the interconversion between [(κ3-triphos)CoI(CO)2]+ (3) and 4 have been established. The activation energy barrier, associated with the dehydrogenation of a coordinated formate fragment in 1' yielding the corresponding 2 accompanied by the formation of H2 and CO2, was experimentally determined as 23.9 kcal/mol. With 0.01 mol % loading of 1, a maximum TON ∼ 1735 within 18 h and TOF ∼ 483 h-1 for the first 3 h could be achieved. Kinetic isotope effect (KIE) values of 2.25 (kHCOOH/kDCOOH) and 1.36 (kHCOOH/kHCOOD) for the dehydrogenation of formic acid and its deuterated derivatives, respectively, implicate that the H-COOH bond cleavage is likely the rate-determining step. The catalytic mechanism proposed by density functional theory (DFT) calculations coupled with experimental 1H NMR and gas chromatography-mass spectrometry (GC-MS) analysis unveils two competing pathways for H2 production; specifically, deprotonating a HCOO-H bond by a proposed Co-H intermediate C and homolytic cleavage of the CoII-H moiety of C, presumably via a dimeric Co intermediate D containing a [Co2(μ-H)2]2+ core, to yield the corresponding 2 and H2.
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Affiliation(s)
- Chou-Pen Tsai
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Chih-Yao Chen
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Yi-Lin Lin
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Jen-Chen Lan
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Ming-Li Tsai
- Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
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6
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Groll L, Kelly JA, Inoue S. Reactivity of NHI-Stabilized Heavier Tetrylenes towards CO 2 and N 2 O. Chem Asian J 2024; 19:e202300941. [PMID: 37996985 DOI: 10.1002/asia.202300941] [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: 10/26/2023] [Revised: 11/22/2023] [Accepted: 11/23/2023] [Indexed: 11/25/2023]
Abstract
A heteroleptic amino(imino)stannylene (TMS2 N)(It BuN)Sn: (TMS=trimethylsilyl, It Bu=C[(N-t Bu)CH]2 ) as well as two homoleptic NHI-stabilized tetrylenes, (It BuN)2 E: (NHI=N-heterocyclic imine, E=Ge, Sn) are presented. VT-NMR investigations of (It BuN)2 Sn: (2) reveal an equilibrium between the monomeric stannylene at room temperature and the dimeric form at -80 °C as well as in the solid state. Upon reaction of the homoleptic tetrylenes with CO2 , both compounds insert two equivalents of CO2 , however differing bonding modes can be observed. (It BuN)2 Sn: (2) inserts one equivalent of CO2 into each Sn-N bond, giving carbamato groups coordinated κ2 O,O' to the metal center. With (It BuN)2 Ge: (3), the Ge-N bonds stay intact upon activation, being bridged by one molecule of CO2 respectively, forming 4-membered rings. Furthermore, the reactivity of 2 towards N2 O was investigated, resulting in partial oxidation to form stannylene dimer [((It BuN)3 SnO)(It BuN)Sn:]2 (6).
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Affiliation(s)
- Lisa Groll
- TUM School of Natural Sciences, Department of Chemistry, Institute of Silicon Chemistry and Catalysis Research Center, Technische Universität München, Lichtenbergstraße 4, 85748, Garching, Germany
| | - John A Kelly
- TUM School of Natural Sciences, Department of Chemistry, Institute of Silicon Chemistry and Catalysis Research Center, Technische Universität München, Lichtenbergstraße 4, 85748, Garching, Germany
| | - Shigeyoshi Inoue
- TUM School of Natural Sciences, Department of Chemistry, Institute of Silicon Chemistry and Catalysis Research Center, Technische Universität München, Lichtenbergstraße 4, 85748, Garching, Germany
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7
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Gelman-Tropp S, Kirillov E, Hey-Hawkins E, Gelman D. Hydrogenation of CO 2 by a Bifunctional PC(sp 3 )P Iridium(III) Pincer Complex Equipped with Tertiary Amine as a Functional Group. Chemistry 2023; 29:e202301915. [PMID: 37602815 DOI: 10.1002/chem.202301915] [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: 06/16/2023] [Revised: 08/12/2023] [Accepted: 08/16/2023] [Indexed: 08/22/2023]
Abstract
Reversible hydrogen storage in the form of stable and mostly harmless chemical substances such as formic acid (FA) is a cornerstone of a fossil fuels-free economy. In the past, we have reported a primary amine-functionalized bifunctional iridium(III)-PC(sp3 )P pincer complex as a mild and chemoselective catalyst for the additive-free decomposition of neat formic acid. In this manuscript, we report on the successful application of a redesigned complex bearing tertiary amine functionality as a catalyst for mild hydrogenation of CO2 to formic acid. The catalyst demonstrates TON up to 6×104 and TOF up to 1.7×104 h-1 . In addition to the practical value of the catalyst, experimental and computational mechanistic studies provide the rationale for the design of improved next-generation catalysts.
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Affiliation(s)
- Stanislav Gelman-Tropp
- Institute of Chemistry, The Hebrew University, Edmond Safra Campus, Givat Ram, 91904, Jerusalem, Israel
| | - Evgueni Kirillov
- Université de Rennes, CNRS, Institut des Sciences Chimiques de Rennes (ISCR), UMR 6226, 35042, Rennes, France
| | - Evamarie Hey-Hawkins
- Faculty of Chemistry and Mineralogy, Institute of Inorganic Chemistry, Leipzig University, Johannisallee 29, 04103, Leipzig, Germany
| | - Dmitri Gelman
- Institute of Chemistry, The Hebrew University, Edmond Safra Campus, Givat Ram, 91904, Jerusalem, Israel
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8
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Grover J, Maji S, Teja C, Al Thabaiti SA, Mostafa MM, Lahiri GK, Maiti D. Base Metal Catalyst for Indirect Hydrogenation of CO 2. ACS ORGANIC & INORGANIC AU 2023; 3:299-304. [PMID: 37810409 PMCID: PMC10557122 DOI: 10.1021/acsorginorgau.3c00023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 10/10/2023]
Abstract
We herein report a novel Mn-SNS-based catalyst, which is capable of performing indirect hydrogenation of CO2 to methanol via formylation. In this domain of CO2 hydrogenation, pincer ligands have shown a clear predominance. Our catalyst is based on the SNS-type tridentate ligand, which is quite stable and cheap as compared to the pincer type ligands. The catalyst can also be recycled effectively after the formylation reaction without any significant change in efficiency. Various amines including both primary and secondary amines worked well under the protocol to provide the desired formylated product in good yields. The formed formylated amines can also be reduced further at higher pressures of hydrogen. As a whole, we have developed a protocol that involves indirect CO2 hydrogenation to methanol that proceeds via formylation of amines.
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Affiliation(s)
- Jagrit Grover
- Department
of Chemistry, IIT Bombay, Powai, Mumbai 400076, India
| | - Suman Maji
- Department
of Chemistry, IIT Bombay, Powai, Mumbai 400076, India
| | - Chitrala Teja
- Department
of Chemistry, IIT Bombay, Powai, Mumbai 400076, India
| | - Shaeel A. Al Thabaiti
- K.
A. CARE Energy Research and Innovation Center, King Abdulaziz University,
Jeddah 21589, Saudi Arabia, Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Mohamed Mokhtar
M. Mostafa
- K.
A. CARE Energy Research and Innovation Center, King Abdulaziz University,
Jeddah 21589, Saudi Arabia, Chemistry Department, Faculty of Science, King Abdulaziz University, P.O. Box 80203, Jeddah 21589, Saudi Arabia
| | - Goutam K. Lahiri
- Department
of Chemistry, IIT Bombay, Powai, Mumbai 400076, India
| | - Debabrata Maiti
- Department
of Chemistry, IIT Bombay, Powai, Mumbai 400076, India
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9
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Vallejo Narváez WE, Vera de la Garza CG, Fomine S. Enhancing CO 2 reduction through the catalytic effect of a novel silicon haeckelite-inspired 2D material. Phys Chem Chem Phys 2023; 25:25862-25870. [PMID: 37725098 DOI: 10.1039/d3cp02783j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/21/2023]
Abstract
We propose a novel 2D material based on silicon haeckelite (Hck), whose structure contains a silicon atom arranged in a periodic pattern of pentagons and heptagons. Stacking the two layers gives rise to a planar geometry of the layers that compose it. This new structure presents a semiconductor character with a band gap of 0.17 eV. Furthermore, we studied CO2 reduction using molecular hydrogen to form formic acid, carbon monoxide, formaldehyde, methanol, and methane. All these have been studied theoretically at the Grimme D3BJ corrected TPSS/def2-SVP level. A massive biflake containing 132 Si atoms was used to model the Hck surface. According to the results, CO2 capture with Hck is a spontaneous step; in contrast, the same process for silicene mono- and bi-flakes studied previously was endergonic. After the capture of CO2, the addition of H2 to the substrate passes through an intermediate containing a Si-H bond. The formation of Si-H intermediates is the origin of the catalytic effect, facilitating H2 dissociation and acting as the hydrogen atom donor for the substrate. These intermediates are transformed by adding hydrogen atoms and losing water molecules, producing formic acid and formaldehyde as the most probable products, with rate-controlling steps of 29.2 and 27 kcal mol-1, whose values were less than those exhibited by the silicene biflake. This means that the silicon haeckelite biflake presents better catalytic activity than the silicene biflake. The results show that the novel 2D silicon hackelite material has remarkable potential for CO2 capture and reduction. The theoretical analysis of this innovative 2D structure provides valuable insights into the potential applications of silicene-based materials.
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Affiliation(s)
- Wilmer Esteban Vallejo Narváez
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Apartado Postal 70-360, CU, Coyoacán, 04510 Ciudad de Mexico, Mexico.
| | - Cesar Gabriel Vera de la Garza
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Apartado Postal 70-360, CU, Coyoacán, 04510 Ciudad de Mexico, Mexico.
| | - Serguei Fomine
- Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Apartado Postal 70-360, CU, Coyoacán, 04510 Ciudad de Mexico, Mexico.
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10
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Grømer B, Saito S. Hydrogenation of CO 2 to MeOH Catalyzed by Highly Robust (PNNP)Ir Complexes Activated by Alkali Bases in Alcohol. Inorg Chem 2023; 62:14116-14123. [PMID: 37589272 DOI: 10.1021/acs.inorgchem.3c02412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
Despite receiving significant attention, well-defined homogeneous complexes for hydrogenation of carbon dioxide (CO2) to methanol (MeOH) are scarce and suffer issues of low catalyst turnover numbers (TONs) at high catalyst concentrations and deactivation in the presence of CO and at elevated temperatures. Herein, we disclose a system deploying sterically demanded (PNNP)Ir complexes for a sustained activity for hydrogenation of CO2 to MeOH at temperatures ∼200 °C in an alcohol solvent. Through reaction optimization, we achieved a TON of ∼9000 for MeOH formation, which exceeds most active homogeneous systems reported to date, and robustness on par with or exceeding most reactive systems utilizing amine additives was demonstrated. The key to achieving sustained catalyst turnover for the system was utilizing a catalytic amount of an alkali base additive, which serves the dual purpose of facilitating more efficient outer-sphere reduction of CO2 and HCO2Et and enhancing the selectivity of MeOH over in situ formed CO.
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Affiliation(s)
- Bendik Grømer
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
| | - Susumu Saito
- Graduate School of Science, Nagoya University, Chikusa, Nagoya 464-8602, Japan
- Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Chikusa, Nagoya 464-8602, Japan
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11
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Zeng L, Zhao M, Lin B, Song J, Tucker JHR, Wen J, Zhang X. Cobalt-Catalyzed Enantioselective Hydrogenation of Diaryl Ketones with Ferrocene-Based Secondary Phosphine Oxide Ligands. Org Lett 2023; 25:6228-6233. [PMID: 37585346 DOI: 10.1021/acs.orglett.3c02530] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
A new class of cobalt catalytic system for asymmetric hydrogenation of ketones was herein reported, involving the development of novel ferrocene-based secondary phosphine oxide ligands. An unusual P-O bidentate coordination pattern with cobalt was confirmed by an X-ray diffraction study. The bichelating tetrahedral cobalt(II) complexes afforded high reactivities (up to 99% yield) and good to excellent enantioselectivities (up to 92% ee) in the AH of various ortho-substituted diaryl ketones. In addition, the diferrocenyl cobalt complex was characterized with intriguing UV-vis absorption and electrochemical properties.
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Affiliation(s)
- Liyao Zeng
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Menglong Zhao
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Bijin Lin
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Jingyuan Song
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - James H R Tucker
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K
| | - Jialin Wen
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
- Academy for Advanced Interdisciplinary Studies, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
| | - Xumu Zhang
- Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, 1088 Xueyuan Road, Shenzhen 518055, China
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12
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Kuehn MA, Fernandez W, Zall CM. Structure and Thermodynamic Hydricity in Cobalt(triphosphine)(monophosphine) Hydrides. Inorg Chem 2023. [PMID: 37216471 DOI: 10.1021/acs.inorgchem.2c04124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The mononuclear cobalt hydride complex [HCo(triphos)(PMe3)], in which triphos = PhP(CH2CH2PPh2)2, was synthesized and characterized by X-ray crystallography and by 1H and 31P NMR spectroscopy. The geometry of the compound is a distorted trigonal bipyramid in which the axial positions are occupied by the hydride and the central phosphorus atom of the triphos ligand, while the PMe3 and terminal triphos donor atoms occupy the equatorial positions. Protonation of [HCo(triphos)(PMe3)] generates H2 and the Co(I) cation, [Co(triphos)(PMe3)]+, and this reaction is reversible under an atmosphere of H2 when the proton source is weakly acidic. The thermodynamic hydricity of HCo(triphos)(PMe3) was determined to be 40.3 kcal/mol in MeCN from measurements of these equilibria. The reactivity of the hydride is, therefore, well suited to CO2 hydrogenation catalysis. Density functional theory (DFT) calculations were performed to evaluate the structures and hydricities of a series of analogous cobalt(triphosphine)(monophosphine) hydrides where the phosphine substituents are systematically changed from Ph to Me. The calculated hydricities range from 38.5 to 47.7 kcal/mol. Surprisingly, the hydricities of the complexes are generally insensitive to substitution at the triphosphine ligand, as a result of competing structural and electronic trends. The DFT-calculated geometries of the [Co(triphos)(PMe3)]+ cations are more square planar when the triphosphine ligand possesses bulkier phenyl groups and more tetrahedrally distorted when the triphosphine ligand has smaller methyl substituents, reversing the trend observed for [M(diphosphine)2]+ cations. More distorted structures are associated with an increase in ΔGH-°, and this structural trend counteracts the electronic effect in which methyl substitution at the triphosphine is expected to yield smaller ΔGH-° values. However, the steric influence of the monophosphine follows the normal trend that phenyl substituents give more distorted structures and increased ΔGH-° values.
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Affiliation(s)
- Makenzie A Kuehn
- Department of Chemistry, Sam Houston State University, 1003 Bowers Boulevard, Huntsville, Texas 77341, United States
| | - William Fernandez
- Department of Chemistry, Sam Houston State University, 1003 Bowers Boulevard, Huntsville, Texas 77341, United States
| | - Christopher M Zall
- Department of Chemistry, Sam Houston State University, 1003 Bowers Boulevard, Huntsville, Texas 77341, United States
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13
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Onishi N, Himeda Y. Homogeneous catalysts for CO2 hydrogenation to methanol and methanol dehydrogenation to hydrogen generation. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214767] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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14
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Kuß DA, Hölscher M, Leitner W. Combined Computational and Experimental Investigation on the Mechanism of CO 2 Hydrogenation to Methanol with Mn-PNP-Pincer Catalysts. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Affiliation(s)
- David A. Kuß
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany
- Max-Planck-Institut für chemische Energiekonversion, Stiftstraße 34-36, 45470 Mülheim a.d. Ruhr, Germany
| | - Markus Hölscher
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany
| | - Walter Leitner
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany
- Max-Planck-Institut für chemische Energiekonversion, Stiftstraße 34-36, 45470 Mülheim a.d. Ruhr, Germany
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15
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Kongkaew S, Puripat M, Kuamit T, Parasuk W, Parasuk V. Importance of amine in carbon dioxide conversion to methanol catalyzed by Ru-PNP complex. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Adamson TT, Uttley KB, Kelley SP, Bernskoetter WH. Coordination Chemistry of (Triphos)Fe(0) Ethylene Complexes and Their Application to CO 2 Valorization. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tristan T. Adamson
- The Department of Chemistry, The University of Missouri, Columbia, Missouri 65211, United States
| | - Katherine B. Uttley
- The Department of Chemistry, The University of Missouri, Columbia, Missouri 65211, United States
| | - Steven P. Kelley
- The Department of Chemistry, The University of Missouri, Columbia, Missouri 65211, United States
| | - Wesley H. Bernskoetter
- The Department of Chemistry, The University of Missouri, Columbia, Missouri 65211, United States
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17
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Sen R, Goeppert A, Surya Prakash GK. Homogeneous Hydrogenation of CO 2 and CO to Methanol: The Renaissance of Low-Temperature Catalysis in the Context of the Methanol Economy. Angew Chem Int Ed Engl 2022; 61:e202207278. [PMID: 35921247 PMCID: PMC9825957 DOI: 10.1002/anie.202207278] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Indexed: 01/11/2023]
Abstract
The traditional economy based on carbon-intensive fuels and materials has led to an exponential rise in anthropogenic CO2 emissions. Outpacing the natural carbon cycle, atmospheric CO2 levels increased by 50 % since the pre-industrial age and can be directly linked to global warming. Being at the core of the proposed methanol economy pioneered by the late George A. Olah, the chemical recycling of CO2 to produce methanol, a green fuel and feedstock, is a prime channel to achieve carbon neutrality. In this direction, homogeneous catalytic systems have lately been a major focus for methanol synthesis from CO2 , CO and their derivatives as potential low-temperature alternatives to the commercial processes. This Review provides an account of this rapidly growing field over the past decade, since its resurgence in 2011. Based on the critical assessment of the progress thus far, the present key challenges in this field have been highlighted and potential directions have been suggested for practically viable applications.
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Affiliation(s)
- Raktim Sen
- Loker Hydrocarbon Research Institute and Department of ChemistryUniversity of Southern CaliforniaUniversity ParkLos AngelesCA90089-1661USA
| | - Alain Goeppert
- Loker Hydrocarbon Research Institute and Department of ChemistryUniversity of Southern CaliforniaUniversity ParkLos AngelesCA90089-1661USA
| | - G. K. Surya Prakash
- Loker Hydrocarbon Research Institute and Department of ChemistryUniversity of Southern CaliforniaUniversity ParkLos AngelesCA90089-1661USA
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18
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Prakash SG, Sen R, Goeppert A. Homogeneous Hydrogenation of CO2 and CO to Methanol: The Renaissance of Low Temperature Catalysis in the Context of the Methanol Economy. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Surya G. Prakash
- University of Southern California Loker Hydrocarbon Research Institute 837 Bloom WalkUniversity Park 90089-1661 Los Angeles UNITED STATES
| | - Raktim Sen
- University of Southern California Loker Hydrocarbon Res. Inst., and Department box Chemistry UNITED STATES
| | - Alain Goeppert
- University of Southern California Loker Hydrocarbon Res. Inst., and Department of Chemistry UNITED STATES
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19
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Hydrogenation of CO2 to formate catalyzed by SBA-15-supported cyclic (alkyl)(amino)carbene-iridium. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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20
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Yan X, Hao Y, Zhu Z, Chang T, Yang X. Unexpected role of two ortho-OH groups for the hydrogenation of CO2 to methanol catalyzed by Fe bipyridinol complexes. MOLECULAR CATALYSIS 2022. [DOI: 10.1016/j.mcat.2022.112559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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21
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Pan Y, Luo ZL, Yang J, Han J, Yang J, yao Z, Xu L, Wang P, Shi Q. Cobalt‐Catalyzed Selective Transformation of Levulinic Acid and Amines into Pyrrolidines and Pyrrolidinones under H2. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | | | | | | | - zhen yao
- Renmin University of China CHINA
| | - Lijin Xu
- Renmin University of China CHINA
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22
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Singh T, Jalwal S, Chakraborty S. Homogeneous First‐row Transition Metal Catalyzed Carbon dioxide Hydrogenation to Formic acid/Formate, and Methanol. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Tushar Singh
- IIT Jodhpur: Indian Institute of Technology Jodhpur Chemistry INDIA
| | - Sachin Jalwal
- IIT Jodhpur: Indian Institute of Technology Jodhpur Chemistry INDIA
| | - Subrata Chakraborty
- Indian Institute of Technology Jodhpur Chemistry Department of ChemistryNH62, Nagaur RoadKarwar 342037 Jodhpur INDIA
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23
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Chandrashekhar VG, Baumann W, Beller M, Jagadeesh RV. Nickel-catalyzed hydrogenative coupling of nitriles and amines for general amine synthesis. Science 2022; 376:1433-1441. [PMID: 35737797 DOI: 10.1126/science.abn7565] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Efficient and general methods for the synthesis of amines remain in high demand in the chemical industry. Among the many known processes, catalytic hydrogenation is a cost-effective and industrially proven reaction and currently used to produce a wide array of such compounds. We report a homogeneous nickel catalyst for hydrogenative cross coupling of a range of aromatic, heteroaromatic, and aliphatic nitriles with primary and secondary amines or ammonia. This general hydrogenation protocol is showcased by straightforward and highly selective synthesis of >230 functionalized and structurally diverse amines including pharmaceutically relevant and chiral products, as well as 15N-isotope labeling applications.
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Affiliation(s)
| | | | - Matthias Beller
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Str. 29a, D-18059 Rostock, Germany
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24
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Das C, Grover J, Tannu, Das A, Maiti D, Dutta A, Lahiri GK. Recent developments in first-row transition metal complex-catalyzed CO 2 hydrogenation. Dalton Trans 2022; 51:8160-8168. [PMID: 35587113 DOI: 10.1039/d2dt00663d] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Our modern civilization is currently standing at a crossroads due to excessive emission of anthropogenic CO2 leading to adverse climate change effects. Hence, a proper CO2 management strategy, including appropriate CO2 capture, utilization, and storage (CCUS), has become a prime concern globally. On the other hand, C1 chemicals such as methanol (CH3OH) and formic acid (HCOOH) have emerged as leading materials for a wide range of applications in various industries, including chemical, biochemical, pharmaceutical, agrochemical, and even energy sectors. Hence, there is a concerted effort to bridge the gap between CO2 management and methanol/formic acid production by employing CO2 as a C1-synthon. CO2 hydrogenation to methanol and formic acid has emerged as one of the primary routes for directly converting CO2 to a copious amount of methanol and formate, which is typically catalyzed by transition metal complexes. In this frontier article, we have primarily discussed the abundant first-row transition metal-driven hydrogenation reaction that has exhibited a significant surge in activity over the past few years. We have also highlighted the potential future direction of the research while incorporating a comparative analysis for the competitive second and third-row transition metal-based hydrogenation.
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Affiliation(s)
- Chandan Das
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Jagrit Grover
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Tannu
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India. .,Interdisciplinary Programme Climate Studies, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
| | - Ayon Das
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India. .,Interdisciplinary Programme Climate Studies, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
| | - Arnab Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India. .,Interdisciplinary Programme Climate Studies, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
| | - Goutam Kumar Lahiri
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India.
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25
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Wiedner ES, Appel AM, Raugei S, Shaw WJ, Bullock RM. Molecular Catalysts with Diphosphine Ligands Containing Pendant Amines. Chem Rev 2022; 122:12427-12474. [PMID: 35640056 DOI: 10.1021/acs.chemrev.1c01001] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Pendant amines play an invaluable role in chemical reactivity, especially for molecular catalysts based on earth-abundant metals. As inspired by [FeFe]-hydrogenases, which contain a pendant amine positioned for cooperative bifunctionality, synthetic catalysts have been developed to emulate this multifunctionality through incorporation of a pendant amine in the second coordination sphere. Cyclic diphosphine ligands containing two amines serve as the basis for a class of catalysts that have been extensively studied and used to demonstrate the impact of a pendant base. These 1,5-diaza-3,7-diphosphacyclooctanes, now often referred to as "P2N2" ligands, have profound effects on the reactivity of many catalysts. The resulting [Ni(PR2NR'2)2]2+ complexes are electrocatalysts for both the oxidation and production of H2. Achieving the optimal benefit of the pendant amine requires that it has suitable basicity and is properly positioned relative to the metal center. In addition to the catalytic efficacy demonstrated with [Ni(PR2NR'2)2]2+ complexes for the oxidation and production of H2, catalysts with diphosphine ligands containing pendant amines have also been demonstrated for several metals for many different reactions, both in solution and immobilized on surfaces. The impact of pendant amines in catalyst design continues to expand.
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26
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Zhou L, Peng L, Ji J, Ma W, Hu J, Wu Y, Geng J, Hu X. Cyclic (alkyl)(amino)carbene-copper supported on SBA-15 as an efficient and recyclable catalyst for CO2 hydrogenation to formate. J CO2 UTIL 2022. [DOI: 10.1016/j.jcou.2022.101910] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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27
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Zhang L, Zhao Y, Liu C, Pu M, Lei M, Cao Z. Hydroboration of CO 2 to Methyl Boronate Catalyzed by a Manganese Pincer Complex: Insights into the Reaction Mechanism and Ligand Effect. Inorg Chem 2022; 61:5616-5625. [PMID: 35357141 DOI: 10.1021/acs.inorgchem.2c00285] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The conversion of carbon dioxide to fuels, polymers, and chemicals is an attractive strategy for the synthesis of high-value-added products and energy-storage materials. Herein, the density functional theory method was employed to investigate the reaction mechanism of CO2 hydroboration catalyzed by manganese pincer complex, [Mn(Ph2PCH2SiMe2)2NH(CO)2Br]. The carbonyl association and carbonyl dissociation mechanisms were investigated, and the calculated results showed that the carbonyl association mechanism is more favorable with an energetic span of 27.0 kcal/mol. Meanwhile, the solvent effect of the reaction was explored, indicating that the solvents could reduce the catalytic activity of the catalyst, which was consistent with the experimental results. In addition, the X ligand effect (X = CO, Br, H, PH3) on the catalytic activity of the manganese complex was explored, indicating that the anionic complexes [MnI - Br]- and [MnI - H]- have higher catalytic activity. This may not only shed light on the fixation and conversion of CO2 catalyzed by earth-abundant transition-metal complexes but also provide theoretical insights to design new transition-metal catalysts.
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Affiliation(s)
- Lin Zhang
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 360015, China
| | - Yaqi Zhao
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Chong Liu
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Min Pu
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zexing Cao
- State Key Laboratory of Physical Chemistry of Solid Surfaces and Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 360015, China
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28
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Hydrogenation of CO2 or CO2 Derivatives to Methanol under Molecular Catalysis: A Review. ENERGIES 2022. [DOI: 10.3390/en15062011] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
The atmospheric CO2 concentration has been continuously increasing due to fossil fuel combustion. The transformations of CO2 and CO2 derivatives into high value-added chemicals such as alcohols are ideal routes to mitigate greenhouse gas emissions. Among alcohol products, methanol is very promising as it fulfills the carbon neutral cycle and can be used for direct methanol fuel cells. Herein, we summarize the recent progress in the hydrogenation of CO2 or CO2 derivatives to methanol, and focus on those systems with homogeneous catalysts and molecular hydrogen as the reductant. Discussions on the catalytic systems, efficiencies, and future outlooks will be given.
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29
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Cauwenbergh R, Goyal V, Maiti R, Natte K, Das S. Challenges and recent advancements in the transformation of CO 2 into carboxylic acids: straightforward assembly with homogeneous 3d metals. Chem Soc Rev 2022; 51:9371-9423. [DOI: 10.1039/d1cs00921d] [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
Transformation of carbon dioxide (CO2) into valuable organic carboxylic acids is essential for maintaining sustainability. In this review, such CO2 thermo-, photo- and electrochemical transformations under 3d-transition metal catalysis are described from 2017 until 2022.
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Affiliation(s)
- Robin Cauwenbergh
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Vishakha Goyal
- Chemical and Material Sciences Division, CSIR-Indian Institute of Petroleum, Dehradun-248005, India
- Academy of Scientific and Innovative Research (AcSIR), CSIR-HRDC Campus, Joggers Road, Kamla Nehru Nagar, Ghaziabad, Uttar Pradesh 201 002, India
| | - Rakesh Maiti
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
| | - Kishore Natte
- Department of Chemistry, Indian Institute of Technology, Hyderabad, Kandi, Sangareddy, 502 285, Telangana, India
| | - Shoubhik Das
- Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerpen, Belgium
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30
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Zhou L, Yao C, Ma W, Hu J, Wu Y, Zhang Z, Hu X. CO2 hydrogenation to formate catalyzed by highly stable and recyclable carbene-iridium under mild condition. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101769] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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31
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Sen R, Koch CJ, Galvan V, Entesari N, Goeppert A, Prakash GS. Glycol assisted efficient conversion of CO2 captured from air to methanol with a heterogeneous Cu/ZnO/Al2O3 catalyst. J CO2 UTIL 2021. [DOI: 10.1016/j.jcou.2021.101762] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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32
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Cramer H, Ye S, Neese F, Werlé C, Leitner W. Cobalt-Catalyzed Hydrosilylation of Carbon Dioxide to the Formic Acid, Formaldehyde, and Methanol Level-How to Control the Catalytic Network? JACS AU 2021; 1:2058-2069. [PMID: 34849511 PMCID: PMC8620560 DOI: 10.1021/jacsau.1c00350] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Indexed: 06/13/2023]
Abstract
The selective hydrosilylation of carbon dioxide (CO2) to either the formic acid, formaldehyde, or methanol level using a molecular cobalt(II) triazine complex can be controlled based on reaction parameters such as temperature, CO2 pressure, and concentration. Here, we rationalize the catalytic mechanism that enables the selective arrival at each product platform. Key reactive intermediates were prepared and spectroscopically characterized, while the catalytic mechanism and the energy profile were analyzed with density functional theory (DFT) methods and microkinetic modeling. It transpired that the stepwise reduction of CO2 involves three consecutive catalytic cycles, including the same cobalt(I) triazine hydride complex as the active species. The increasing kinetic barriers associated with each reduction step and the competing hydride transfer steps in the three cycles corroborate the strong influence of the catalyst environment on the product selectivity. The fundamental mechanistic insights provide a consistent description of the catalytic system and rationalize, in particular, the experimentally verified opportunity to steer the reaction toward the formaldehyde product as the chemically most challenging reduction level.
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Affiliation(s)
- Hanna
H. Cramer
- Max
Planck Institute for Chemical Energy Conversion, Stiftstr. 34−36, 45470 Mülheim an der Ruhr, Germany
- Institut
für Technische und Makromolekulare Chemie (ITMC), RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany
| | - Shengfa Ye
- State
Key Laboratory of Catalysis, Dalian Institute
of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr, Germany
| | - Frank Neese
- Max-Planck-Institut
für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr, Germany
| | - Christophe Werlé
- Max
Planck Institute for Chemical Energy Conversion, Stiftstr. 34−36, 45470 Mülheim an der Ruhr, Germany
- Ruhr
University Bochum, Universitätsstr.
150, 44801 Bochum, Germany
| | - Walter Leitner
- Max
Planck Institute for Chemical Energy Conversion, Stiftstr. 34−36, 45470 Mülheim an der Ruhr, Germany
- Institut
für Technische und Makromolekulare Chemie (ITMC), RWTH Aachen University, Worringer Weg 2, 52074 Aachen, Germany
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33
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Kumar A, Daw P, Milstein D. Homogeneous Catalysis for Sustainable Energy: Hydrogen and Methanol Economies, Fuels from Biomass, and Related Topics. Chem Rev 2021; 122:385-441. [PMID: 34727501 PMCID: PMC8759071 DOI: 10.1021/acs.chemrev.1c00412] [Citation(s) in RCA: 97] [Impact Index Per Article: 32.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
![]()
As the world pledges
to significantly cut carbon emissions, the
demand for sustainable and clean energy has now become more important
than ever. This includes both production and storage of energy carriers,
a majority of which involve catalytic reactions. This article reviews
recent developments of homogeneous catalysts in emerging applications
of sustainable energy. The most important focus has been on hydrogen
storage as several efficient homogeneous catalysts have been reported
recently for (de)hydrogenative transformations promising to the hydrogen
economy. Another direction that has been extensively covered in this
review is that of the methanol economy. Homogeneous catalysts investigated
for the production of methanol from CO2, CO, and HCOOH
have been discussed in detail. Moreover, catalytic processes for the
production of conventional fuels (higher alkanes such as diesel, wax)
from biomass or lower alkanes have also been discussed. A section
has also been dedicated to the production of ethylene glycol from
CO and H2 using homogeneous catalysts. Well-defined transition
metal complexes, in particular, pincer complexes, have been discussed
in more detail due to their high activity and well-studied mechanisms.
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Affiliation(s)
- Amit Kumar
- School of Chemistry, University of St. Andrews, North Haugh, Fife, U.K., KY16 9ST
| | - Prosenjit Daw
- Department of Chemical Sciences, Indian Institute of Science Education and Research Berhampur, Govt. ITI (transit Campus), Berhampur 760010, India
| | - David Milstein
- Department of Molecular Chemistry and Materials Science, Weizmann Institute of Science, Rehovot 76100, Israel
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34
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Avasare VD. Ascendancy of Nitrogen Heterocycles in the Computationally Designed Mn(I)PNN Pincer Catalysts on the Hydrogenation of Carbon Dioxide to Methanol. Inorg Chem 2021; 61:1851-1868. [PMID: 34714058 DOI: 10.1021/acs.inorgchem.1c02689] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The development of sustainable catalysts to get methanol from CO2 under milder conditions and without any additives is still considered an arduous task. In many instances, transition-metal-catalyzed carbon dioxide to formic acid formation is more facile than methanol formation. This article provides comprehensive density functional theoretic investigations of six new Mn(I)PNN complexes, which are designed to perform CO2 to methanol conversion under milder reaction conditions. All these six catalysts have similar structural features except at terminal nitrogen, -N (1), where adenine-inspired nitrogen heterocycles containing pyridine and pyrimidine moieties are attached to instill an electron withdrawing effect on the central metal and thus to facilitate dihydrogen polarization during the catalyst regeneration. All these computationally modeled Mn(I)PNN complexes demonstrate the promising catalytic activity to get methanol through cascade catalytic cycles at 298.15 K. The metal-ligand cooperative (MLC) as well as noncooperative (NC) pathways are investigated for each catalytic cycle. The NC pathway is the preferred pathway for formic acid and formaldehyde formation, whereas methanol formation proceeds through only the MLC pathway. Different nitrogen heterocycles attached to the -N (1) terminal manifested a considerable amount of impact on the Gibbs free energies, overall activation energies, and computed turnover frequencies (TOFs). Among all the catalysts, SPCAT02 provides excellent TOFs for HCO2H (500 151 h-1), HCHO (11 912 h-1), and CH3OH (2 372 400 h-1) formation at 50 °C. SPCAT04 is found to be a better catalyst for the selective formation of formic acid formation at room temperature than the rest of the catalysts. The computed TOF results are found reliable upon comparison with experimentally established catalysts. To establish the structure-activity relationship, the activation strain model and Fukui function calculations are performed on all the catalysts. Both these studies provide complementary results. The present study revealed a very important finding that a more electrophilic metal center could facilitate the CO2 hydrogenation reaction robustly. All computationally designed catalysts could be cheaper and better alternatives to convert CO2 to methanol under mild reaction conditions in an aqueous medium.
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Affiliation(s)
- Vidya D Avasare
- Department of Chemistry, Sir Parashurambhau College, Tilak Road, Pune, Maharashtra 411030, India
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35
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Alberico E, Leischner T, Junge H, Kammer A, Sang R, Seifert J, Baumann W, Spannenberg A, Junge K, Beller M. HCOOH disproportionation to MeOH promoted by molybdenum PNP complexes. Chem Sci 2021; 12:13101-13119. [PMID: 34745541 PMCID: PMC8513996 DOI: 10.1039/d1sc04181a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Accepted: 08/31/2021] [Indexed: 12/15/2022] Open
Abstract
Molybdenum(0) complexes with aliphatic aminophosphine pincer ligands have been prepared which are competent for the disproportionation of formic acid, thus representing the first example so far reported of non-noble metal species to catalytically promote such transformation. In general, formic acid disproportionation allows for an alternative access to methyl formate and methanol from renewable resources. MeOH selectivity up to 30% with a TON of 57 could be achieved while operating at atmospheric pressure. Selectivity (37%) and catalyst performance (TON = 69) could be further enhanced when the reaction was performed under hydrogen pressure (60 bars). A plausible mechanism based on experimental evidence is proposed. Mo(0) complexes with aliphatic PNP-pincer ligands enable the first example of non-noble metal catalyzed formic acid disproportionation leading to methanol with a selectivity of up to 37% and a turnover number up to 69.![]()
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Affiliation(s)
- Elisabetta Alberico
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany .,Istituto di Chimica Biomolecolare, Consiglio Nazionale delle Ricerche tr. La Crucca 3 07100 Sassari Italy
| | - Thomas Leischner
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Henrik Junge
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Anja Kammer
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Rui Sang
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Jenny Seifert
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Wolfgang Baumann
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Anke Spannenberg
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V. Albert-Einstein Straße 29a 18059 Rostock Germany
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36
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Cannon AT, Saouma CT. Ru catalyzed hydrogenation of CO2 to formate under basic and acidic conditions. Polyhedron 2021. [DOI: 10.1016/j.poly.2021.115375] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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37
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Lluna‐Galán C, Izquierdo‐Aranda L, Adam R, Cabrero‐Antonino JR. Catalytic Reductive Alcohol Etherifications with Carbonyl-Based Compounds or CO 2 and Related Transformations for the Synthesis of Ether Derivatives. CHEMSUSCHEM 2021; 14:3744-3784. [PMID: 34237201 PMCID: PMC8518999 DOI: 10.1002/cssc.202101184] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 07/07/2021] [Indexed: 05/27/2023]
Abstract
Ether derivatives have myriad applications in several areas of chemical industry and academia. Hence, the development of more effective and sustainable protocols for their production is highly desired. Among the different methodologies reported for ether synthesis, catalytic reductive alcohol etherifications with carbonyl-based moieties (aldehydes/ketones and carboxylic acid derivatives) have emerged in the last years as a potential tool. These processes constitute appealing routes for the selective production of both symmetrical and asymmetrical ethers (including O-heterocycles) with an increased molecular complexity. Likewise, ester-to-ether catalytic reductions and hydrogenative alcohol etherifications with CO2 to dialkoxymethanes and other acetals, albeit in less extent, have undergone important advances, too. In this Review, an update of the recent progresses in the area of catalytic reductive alcohol etherifications using carbonyl-based compounds and CO2 have been described with a special focus on organic synthetic applications and catalyst design. Complementarily, recent progress made in catalytic acetal/ketal-to-ether or ester-to-ether reductions and other related transformations have been also summarized.
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Affiliation(s)
- Carles Lluna‐Galán
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
| | - Luis Izquierdo‐Aranda
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
| | - Rosa Adam
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
| | - Jose R. Cabrero‐Antonino
- Instituto de Tecnología QuímicaUniversitat Politécnica de València-Consejo Superior Investigaciones Científicas (UPV-CSIC)Avda. de los Naranjos s/n46022ValenciaSpain
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38
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Sancho-Sanz I, Korili S, Gil A. Catalytic valorization of CO 2 by hydrogenation: current status and future trends. CATALYSIS REVIEWS 2021. [DOI: 10.1080/01614940.2021.1968197] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- I. Sancho-Sanz
- INAMAT^2, Departamento De Ciencias, Edificio De Los Acebos, Universidad Pública De Navarra, Pamplona, Spain
| | - S.A. Korili
- INAMAT^2, Departamento De Ciencias, Edificio De Los Acebos, Universidad Pública De Navarra, Pamplona, Spain
| | - A. Gil
- INAMAT^2, Departamento De Ciencias, Edificio De Los Acebos, Universidad Pública De Navarra, Pamplona, Spain
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39
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Trivedi M, Sharma P, Pandey IK, Kumar A, Kumar S, Rath NP. Acid-assisted hydrogenation of CO 2 to methanol using Ru(II) and Rh(III) RAPTA-type catalysts under mild conditions. Chem Commun (Camb) 2021; 57:8941-8944. [PMID: 34397067 DOI: 10.1039/d1cc03049c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A highly efficient homogeneous catalyst system for production of CH3OH from CO2 using single molecular defined ruthenium and rhodium RAPTA-type catalysts [Ru(η6-p-cymene)X2(PTA)] (X = I(1), Cl(2); PTA = 1,3,5-triaza-7-phosphaadamantane) and rhodium catalysts [Rh(η5-C5Me5)X2(PTA/PTA-BH3)] (X = Cl(3), H(4) and PTA-BH3, H(5)) developed in acidic media under mild conditions. A TON of 4752 is achieved using a [Ru(η6-p-cymene)I2(PTA)] catalyst which represents the first example of CO2 hydrogenation to CH3OH using single molecular defined Ru and Rh RAPTA-type catalysts.
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Affiliation(s)
- Manoj Trivedi
- Department of Chemistry, University of Delhi, Delhi-110007, India. and Department of Chemistry, Sri Venkateswara College, University of Delhi, New Delhi-110021, India
| | - Pooja Sharma
- Department of Chemistry, Dhirendra Mahila PG College, Varanasi-221005, India
| | | | - Abhinav Kumar
- Department of Chemistry, University of Lucknow, Lucknow-226007, India
| | - Sanjay Kumar
- Department of Chemistry, Sri Venkateswara College, University of Delhi, New Delhi-110021, India
| | - Nigam P Rath
- Department of Chemistry & Biochemistry and Centre for Nanoscience, University of Missouri-St. Louis, One University Boulevard, St. Louis, MO 63121-4499, USA.
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40
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Persaud RR, Fang Z, Zall CM, Appel AM, Dixon DA. Computational Study of Triphosphine-Ligated Cu(I) Catalysts for Hydrogenation of CO 2 to Formate. J Phys Chem A 2021; 125:6600-6610. [PMID: 34297558 DOI: 10.1021/acs.jpca.1c04050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The catalyzed hydrogenation of CO2 to formate via a triphosphine-ligated Cu(I) was studied computationally at the density functional theory level in the presence of a self-consistent reaction field. Of the four functionals benchmarked, M06 was generally in the best agreement with the available experimentally estimated values. Two bases, DBU and TBD, were studied in the context of two proposed mechanisms in the MeCN solvent. Activation of H2 was explored by using LCu(DBU)+ to form LCuH. Dissociation of a ligand arm results in higher barriers to form the key hydride complex, LCuH. The preferred mechanism passes through a transition state, where the H2 has one H atom interacting with the copper center and the other H atom interacting with the N atom of the base, similar to H2 insertion into a frustrated Lewis pair. There is no significant difference between the choice of a base, DBU or TBD, with respect to the proposed mechanisms. We propose that the experimentally observed differences between DBU and TBD reactivities for this mechanism are due to off-pathway changes.
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Affiliation(s)
- Rudradatt R Persaud
- Department of Chemistry and Biochemistry, The University of Alabama, Shelby Hall, Tuscaloosa, Alabama 35487-0336, United States
| | - Zongtang Fang
- Department of Chemistry and Biochemistry, The University of Alabama, Shelby Hall, Tuscaloosa, Alabama 35487-0336, United States
| | - Christopher M Zall
- Department of Chemistry, Sam Houston State University, 1003 Bowers Boulevard, Huntsville, Texas 77341, United States
| | - Aaron M Appel
- Pacific Northwest National Laboratory, P.O. Box 999, MS K2-57, Richland, Washington 99352, United States
| | - David A Dixon
- Department of Chemistry and Biochemistry, The University of Alabama, Shelby Hall, Tuscaloosa, Alabama 35487-0336, United States
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41
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Wiedner ES, Preston AZ, Helm ML, Appel AM. Thermodynamic Trends for Reduction of CO by Molecular Complexes. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Eric S. Wiedner
- Catalysis Science Group, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - Andrew Z. Preston
- Catalysis Science Group, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - Monte L. Helm
- Catalysis Science Group, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
| | - Aaron M. Appel
- Catalysis Science Group, Pacific Northwest National Laboratory, P.O. Box 999, K2-57, Richland, Washington 99352, United States
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42
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Highlights and challenges in the selective reduction of carbon dioxide to methanol. Nat Rev Chem 2021; 5:564-579. [PMID: 37117584 DOI: 10.1038/s41570-021-00289-y] [Citation(s) in RCA: 126] [Impact Index Per Article: 42.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/10/2021] [Indexed: 12/15/2022]
Abstract
Carbon dioxide (CO2) is the iconic greenhouse gas and the major factor driving present global climate change, incentivizing its capture and recycling into valuable products and fuels. The 6H+/6e- reduction of CO2 affords CH3OH, a key compound that is a fuel and a platform molecule. In this Review, we compare different routes for CO2 reduction to CH3OH, namely, heterogeneous and homogeneous catalytic hydrogenation, as well as enzymatic catalysis, photocatalysis and electrocatalysis. We describe the leading catalysts and the conditions under which they operate, and then consider their advantages and drawbacks in terms of selectivity, productivity, stability, operating conditions, cost and technical readiness. At present, heterogeneous hydrogenation catalysis and electrocatalysis have the greatest promise for large-scale CO2 reduction to CH3OH. The availability and price of sustainable electricity appear to be essential prerequisites for efficient CH3OH synthesis.
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43
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Fujita H, Takemoto S, Matsuzaka H. Tin–Ruthenium Cooperative Catalyst for Disproportionation of Formic Acid to Methanol. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01344] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Hiroaki Fujita
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Shin Takemoto
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Hiroyuki Matsuzaka
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
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44
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Pal R, Kim S, Lee W, Mena MR, Khurshid A, Ghosh C, Groy TL, Chizmeshya AVG, Baik MH, Trovitch RJ. Reaction of a Molybdenum Bis(dinitrogen) Complex with Carbon Dioxide: A Combined Experimental and Computational Investigation. Inorg Chem 2021; 60:7708-7718. [PMID: 34008966 DOI: 10.1021/acs.inorgchem.1c00003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Refluxing Mo(CO)6 in the presence of the phosphine-functionalized α-diimine ligand Ph2PPrDI allowed for substitution and formation of the dicarbonyl complex, (Ph2PPrDI)Mo(CO)2. Oxidation with I2 followed by heating resulted in further CO dissociation and isolation of the corresponding diiodide complex, (Ph2PPrDI)MoI2. Reduction of this complex under a N2 atmosphere afforded the corresponding bis(dinitrogen) complex, (Ph2PPrDI)Mo(N2)2. The solid-state structures of all three compounds were found to feature a tetradentate chelate and cis-monodentate ligands. Notably, the addition of CO2 to (Ph2PPrDI)Mo(N2)2 is proposed to result in head-to-tail CO2 coupling to generate the corresponding metallacycle and ultimately a mixture of (Ph2PPrDI)Mo(CO)2 and the bis(oxo) dimer, [(κ3-Ph2PPrDI)Mo(O)(μ-O)]2. Computational studies have been performed to gain insight into the reaction and evaluate the importance of cis-coordination sites for selective head-to-tail CO2 reductive coupling, CO deinsertion, disproportionation, and stepwise CO2 deinsertion.
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Affiliation(s)
- Raja Pal
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Suyeon Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Center for Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Woojong Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Center for Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Matthew R Mena
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Afshan Khurshid
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Chandrani Ghosh
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Thomas L Groy
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Andrew V G Chizmeshya
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
| | - Mu-Hyun Baik
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Republic of Korea.,Center for Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, Republic of Korea
| | - Ryan J Trovitch
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
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45
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Zhang L, Pu M, Lei M. Hydrogenation of CO 2 to methanol catalyzed by a manganese pincer complex: insights into the mechanism and solvent effect. Dalton Trans 2021; 50:7348-7355. [PMID: 33960356 DOI: 10.1039/d1dt01243f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, density functional theory (DFT) calculations were employed to explore the reaction mechanism of three cascade cycles for the hydrogenation of carbon dioxide to methanol (CO2 + 3H2 → CH3OH + H2O) catalyzed by a manganese pincer complex [Mn(Ph2PCH2SiMe2)2N(CO)2]. The three cascade cycles involve: the hydrogenation of CO2 to formic acid, the hydrogenation of formic acid to methanediol and the decomposition of methanediol to formaldehyde and water, and the hydrogenation of formaldehyde to methanol. The calculated results demonstrate that hydrogen activation is the rate-determining step of each catalytic cycle under solvent-free conditions, and the energy span of the whole reaction is 27.1 kcal mol-1. Furthermore, the solvent was found to be of importance in this reaction. In three different solvents, the rate-determining steps of this reaction are all the hydrogen transfer step of the formic acid hydrogenation stage, and the corresponding energy spans in water, toluene and THF solvents are 21.3, 20.8 and 20.4 kcal mol-1, respectively. Such a low energy span implies that this manganese complex could be a promising catalyst for the efficient conversion of CO2 and H2 to methanol at temperatures below 100-150 °C.
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Affiliation(s)
- Lin Zhang
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Min Pu
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China.
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China.
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46
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Schnoor JK, Bettmer J, Kamp J, Wessling M, Liauw MA. Recycling and Separation of Homogeneous Catalyst from Aqueous Multicomponent Mixture by Organic Solvent Nanofiltration. MEMBRANES 2021; 11:membranes11060423. [PMID: 34073034 PMCID: PMC8230105 DOI: 10.3390/membranes11060423] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 11/16/2022]
Abstract
Organic solvent nanofiltration (OSN) has evolved to an established recycling method for homogeneous catalysts. However, commercial availability has not circumvented the need for classification and the scoping of possible applications for specific solvent mixtures. Therefore, Evonik’s DuraMem® 300 was assessed for the recycling of magnesium triflate at two transmembrane pressures from a mixture of ethanol, ethyl acetate and water. Catalyst retention up to 98% and permeability of up to 4.44·10−1∙L∙bar−1∙m−2∙h−1 were possible when less than 25% ethyl acetate was in the mixture. The retention of some of the components in the ternary mixture was observed while others were enriched, making the membrane also suitable for fractioning thereof.
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Affiliation(s)
- J.-Kilian Schnoor
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany;
- Correspondence: (J.-K.S.); (M.A.L.)
| | - Jens Bettmer
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany;
- Chair of Chemical Process Engineering, Aachener Verfahrenstechnik, RWTH Aachen University, Forckenbeckstrasse 51, 52074 Aachen, Germany; (J.K.); (M.W.)
| | - Johannes Kamp
- Chair of Chemical Process Engineering, Aachener Verfahrenstechnik, RWTH Aachen University, Forckenbeckstrasse 51, 52074 Aachen, Germany; (J.K.); (M.W.)
| | - Matthias Wessling
- Chair of Chemical Process Engineering, Aachener Verfahrenstechnik, RWTH Aachen University, Forckenbeckstrasse 51, 52074 Aachen, Germany; (J.K.); (M.W.)
- DWI-Leibniz Institute for Interactive Materials, Forckenbeckstr. 50, 52074 Aachen, Germany
| | - Marcel A. Liauw
- Institut für Technische und Makromolekulare Chemie, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany;
- Correspondence: (J.-K.S.); (M.A.L.)
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47
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Kuß DA, Hölscher M, Leitner W. Hydrogenation of CO
2
to Methanol with Mn‐PNP‐Pincer Complexes in the Presence of Lewis Acids: the Formate Resting State Unleashed. ChemCatChem 2021. [DOI: 10.1002/cctc.202100649] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- David A. Kuß
- Max-Planck-Institut für chemische Energiekonversion Stiftstraße 34–36 45470 Mülheim a. d. Ruhr Germany
- Institut für Technische und Makromolekulare Chemie RWTH Aachen University Worringer Weg 2 52074 Aachen Germany
| | - Markus Hölscher
- Institut für Technische und Makromolekulare Chemie RWTH Aachen University Worringer Weg 2 52074 Aachen Germany
| | - Walter Leitner
- Max-Planck-Institut für chemische Energiekonversion Stiftstraße 34–36 45470 Mülheim a. d. Ruhr Germany
- Institut für Technische und Makromolekulare Chemie RWTH Aachen University Worringer Weg 2 52074 Aachen Germany
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Xu L, Cui Y, Chen M, Wen X, Lv C, Wu X, Wu CE, Miao Z, Hu X. Screening Transition Metals (Mn, Fe, Co, and Cu) Promoted Ni-Based CO 2 Methanation Bimetal Catalysts with Advanced Low-Temperature Activities. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.1c00656] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Leilei Xu
- Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, 210044 Nanjing, China
| | - Yan Cui
- Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, 210044 Nanjing, China
| | - Mindong Chen
- Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, 210044 Nanjing, China
| | - Xueying Wen
- Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, 210044 Nanjing, China
| | - Chufei Lv
- Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, 210044 Nanjing, China
| | - Xianyun Wu
- Collaborative Innovation Center of the Atmospheric Environment and Equipment Technology, School of Environmental Science and Engineering, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science & Technology, 210044 Nanjing, China
| | - Cai-e Wu
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Zhichao Miao
- School of Chemistry and Chemical Engineering, Shandong University of Technology, Zibo 255049, China
| | - Xun Hu
- School of Material Science and Engineering, University of Jinan, Jinan 250022, China
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49
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Qi JL, Xu QQ, Zhou D, Yin JZ, Jiang QK. Preparation of Cu single atoms on N-doped carbon materials with supercritical CO2 deposition. J Supercrit Fluids 2021. [DOI: 10.1016/j.supflu.2021.105202] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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50
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Trivedi M, Kumar A, Husain A, Rath NP. Copper(I) Complexes Containing PCP Ligand Catalyzed Hydrogenation of Carbon Dioxide to Formate under Ambient Conditions. Inorg Chem 2021; 60:4385-4396. [PMID: 33735573 DOI: 10.1021/acs.inorgchem.0c01937] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The five new copper(I) complexes [Cu2(μ-Cl)2(κ1-PCPt-Bu)] (1), [Cu2(μ-Br)2(κ1-PCPt-Bu)] (2), [Cu2(μ-I)2(κ1-PCPt-Bu)] (3), [Cu2(μ-CN)2(κ1-PCPt-Bu)] (4), and [Cu4(μ3-SCN)4(κ1-PCPt-Bu)2]·CH2Cl2 (5) bearing a 1,3-bis[(di-tert-butylphosphino)methyl]benzene ligand were synthesized and characterized spectroscopically, and the molecular structures of 1, 3, and 5 were determined by single-crystal X-ray diffraction techniques. Structural studies for 1 and 3 revealed their binuclear structures with Cu···Cu separations of 2.609(3) and 2.6359(19) Å, respectively. However, 5 has a tetranuclear cubane structure with an 18-electron configuration at each copper without any metal-metal bonds. The two copper centers in 1 and 3 are bonded to one bridging PCPt-Bu ligand in a κ1-manner and two bridging (pseudo)halido ligands in a μ2-bonding mode to generate a nonplanar Cu2(μ-X)2 framework. The four copper centers in 5 are at the vertices of a tetrahedron. Each copper center has pseudo-tetrahedral coordination provided by two bridging PCPt-Bu ligands in a κ1-manner and the four bridging thiocyanate groups in a μ3-manner. These complexes were used as catalysts for the hydrogenation of CO2 to formate in the presence of DBU as a base to produce valuable energy-rich chemicals, and therefore it is a promising, safe, and simple strategy to conduct reactions under ambient pressure at room temperature. Among all of the five copper(I) complex based catalysts, 3 displayed the best catalytic performance with turnover number (TON) values of 38-8700 in 12-48 h of reaction at 25-80 °C. The outstanding catalytic performance of [Cu2(μ-I)2(κ1-PCPt-Bu)] (3) makes it a potential candidate for realizing the large-scale production of formate by CO2 hydrogenation.
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Affiliation(s)
- Manoj Trivedi
- Department of Chemistry, University of Delhi, Delhi 110007, India.,Department of Chemistry, Sri Vankateswara College, University of Delhi, New Delhi 110021, India
| | - Abhinav Kumar
- Department of Chemistry, University of Lucknow, Lucknow 226007, India
| | - Ahmad Husain
- Department of Chemistry, DAV University Jalandhar, Jalandhar 144012, India
| | - Nigam P Rath
- Department of Chemistry & Biochemistry and Centre for Nanoscience, University of Missouri-St. Louis, One University Boulevard, St. Louis, Missouri 63121-4499, United States
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