1
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Gao S, Cao CQ, Liu ZJ, Yao ZJ. Half-Sandwich Iridium Complexes: A Recyclable and Stable Catalyst for Dehydrogenation of Alcohols to Carboxylic Acids. Inorg Chem 2024; 63:13311-13320. [PMID: 38977684 DOI: 10.1021/acs.inorgchem.4c01066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
A series of acylhydrazone-based N,N-chelate half-sandwich iridium complexes have been synthesized through a facile route in good yields. The dehydrogenation of a series of aromatic and aliphatic primary alcohols to corresponding carboxylic acids has been accomplished catalyzed by the prepared air stable iridium complexes under mild reaction conditions. Carboxylic acids were obtained in high yields under open flask condition with broad substrates and good tolerance to sensitive functional groups. Such a half-sandwich iridium catalyst system exhibited high catalytic activity and stability, and a high TOF of 316.7 h-1 could be achieved with a catalyst loading as low as 0.05 mol %. Furthermore, the sustainable catalyst could be reused at least five times without obviously losing its activity, highlighting its potential application in industry. Molecular structure of iridium complex 1 was confirmed by single-crystal X-ray analysis.
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Affiliation(s)
- Song Gao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Chuan-Qi Cao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Zhen-Jiang Liu
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
| | - Zi-Jian Yao
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai 201418, China
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
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2
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Culver DB, Boncella JM. Double Intramolecular 1,2 C-H Addition of o-Methyl Groups To Form Ruthenium Pincer Double Tuck-In Complexes. Inorg Chem 2023; 62:19383-19388. [PMID: 37971401 DOI: 10.1021/acs.inorgchem.3c02499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Ruthenium pincer complexes have a rich history of coordination and reaction chemistries. In this work, we report our discoveries of previously unreported Ru pincer coordination geometries. We found that mono tuck-in κ4-ArPNHPRuLCl complexes react with NaN(SiMe3)2 producing double tuck-in mer-κ5-ArPNHPRuL complexes. Interestingly, when κ4-MesPNHPRuCl is dehydrohalogenated, the resulting double tuck-in complex binds N2, forming the nitrogen complex κ5-MesPNHPRuN2. The mer-κ5-ArPNHPRuL complexes thermally isomerize to the fac-κ5-ArPNHPRuL isomers, which is an uncommon reaction for pincer complexes. The mer-κ5-ArPNHPRuL complexes react with CO and CO2 to form amide κ4-ArPNHPRu(CO)L or carbamate κ5-ArPN(CO2)PRuL complexes, respectively, supporting the hypothesis that the κ4-ArPNPRuL amide intermediates are accessible and reactive.
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Affiliation(s)
- Damien B Culver
- Washington State University, Pullman, Washington 99164, United States
| | - James M Boncella
- Washington State University, Pullman, Washington 99164, United States
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
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3
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Paul T, Saikia PP, Borah D, Mahanta N, Baruah A, Borah JM, Saikia BJ, Raidongia K, Gogoi RK, Gogoi R. Ni(OH)
2
nanoparticles as a recyclable catalyst in acceptorless dehydrogenation of alcohols to acids/acid salts under aerobic conditions. ChemistrySelect 2023. [DOI: 10.1002/slct.202204713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Affiliation(s)
- Tumpa Paul
- Department of Chemistry Darrang College 784001 Tezpur India
| | | | | | | | - Arabinda Baruah
- Department of Chemistry Gauhati University 781014 Guwahati India
| | | | | | | | | | - Raktim Gogoi
- Department of Chemistry IIT Guwahati 781039 Guwahati India
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4
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Zeolitic Imidazolate Framework-8 as an Efficient and Facile Heterogeneous Catalyst for the Acceptorless Alcohol Dehydrogenation to Carboxylates. J Catal 2022. [DOI: 10.1016/j.jcat.2022.12.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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5
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Kar S, Milstein D. Oxidation of Organic Compounds Using Water as the Oxidant with H 2 Liberation Catalyzed by Molecular Metal Complexes. Acc Chem Res 2022; 55:2304-2315. [PMID: 35881940 PMCID: PMC9386904 DOI: 10.1021/acs.accounts.2c00328] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Oxidation reactions of organic compounds play a central role in both industrial chemical and material synthesis as well as in fine chemical and pharmaceutical synthesis. While traditional laboratory-scale oxidative syntheses have relied on the use of strong oxidizers, modern large-scale oxidation processes preferentially utilize air or pure O2 as an oxidant, with other oxidants such as hydrogen peroxide, nitric acid, and aqueous chlorine solution also being used in some processes. The use of molecular oxygen or air as an oxidant has been very attractive in recent decades because of the abundance of air and the lack of wasteful byproduct generation. Nevertheless, the use of high-pressure air or, in particular, pure oxygen can lead to serious safety concerns with improper handling and also necessitates the use of sophisticated high-pressure reactors for the processes.Several research groups, including ours, have investigated in recent times the possibility of carrying out catalytic oxidation reactions using water as the formal oxidant, with no added conventional oxidants. Along with the abundant availability of water, these processes also generate dihydrogen gas as the reaction coproduct, which is a highly valuable fuel. Several well-defined molecular metal complexes have been reported in recent years to catalyze these unusual oxidative reactions with water. A ruthenium bipyridine-based PNN pincer complex was reported by us to catalyze the oxidation of primary alcohols to carboxylate salts with alkaline water along with H2 liberation, followed by reports by other groups using other complexes as catalysts. At the same time, ruthenium-, iridium-, and rhodium-based complexes have been reported to catalyze aldehyde oxidation to carboxylic acids using water. Our group has combined the catalytic aqueous alcohol and aldehyde oxidation activity of a ruthenium complex to achieve the oxidation of biomass-derived renewable aldehydes such as furfural and 5-hydroxymethylfurfural (HMF) to furoic acid and furandicarboxylic acid (FDCA), respectively, using alkaline water as the oxidant, liberating H2. Ruthenium complexes with an acridine-based PNP ligand have also been employed by our group for the catalytic oxidation of amines to the corresponding lactams, or to carboxylic acids via a deaminative route, using water. Similarly, we also reported molecular complexes for the catalytic Markovnikov oxidation of alkenes to ketones using water, similar to Wacker-type oxidation, which, however, does not require any terminal oxidant and produces H2 as the coproduct. At the same time, the oxidation of enol ethers to the corresponding esters with water has also been reported. This account will highlight these recent advances where water was used as an oxidant to carry out selective oxidation reactions of organic compounds, catalyzed by well-defined molecular complexes, with H2 liberation. The oxidation of alcohols, aldehydes, amines, alkenes, and enol ethers will be discussed to provide an outlook toward other functional groups' oxidation. We hope that this will aid researchers in devising other oxidative dehydrogenative catalytic systems using water, complementing traditional oxidative processes involving strong oxidants and molecular oxygen.
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6
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Tabasi NS, Genç S, Gülcemal D. Tuning the selectivity in iridium-catalyzed acceptorless dehydrogenative coupling of primary alcohols. Org Biomol Chem 2022; 20:6582-6592. [PMID: 35913502 DOI: 10.1039/d2ob01142e] [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
An acceptorless dehydrogenative coupling of primary alcohols to carboxylic acids/carboxylates, esters, and Guerbet alcohols (via both homo- and cross-β-alkylation of the alcohols) in the presence of an N-heterocyclic carbene iridium(I) catalyst was developed under aerobic conditions. The product selectivity can be easily tuned among the products with a single catalyst through simple modification of the reaction conditions, such as the catalyst and base amounts, the choice of base, and the reaction temperature.
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Affiliation(s)
- Nihal S Tabasi
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
| | - Sertaç Genç
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
| | - Derya Gülcemal
- Ege University, Chemistry Department, 35100 Bornova, Izmir, Turkey.
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7
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Wang Q, Xia Y, Chen Z, Wang Y, Cheng F, Qin L, Zheng Z. Hydrogen Production via Aqueous-Phase Reforming of Ethanol Catalyzed by Ruthenium Alkylidene Complexes. Organometallics 2022. [DOI: 10.1021/acs.organomet.1c00555] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Qian Wang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yihao Xia
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Zhijian Chen
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yifan Wang
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Fanrui Cheng
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Lei Qin
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Zhiping Zheng
- Department of Chemistry, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
- Shenzhen Grubbs Institute and Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen 518055, China
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8
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Acceptorless Dehydrogenation of Primary Alcohols to Carboxylic Acids by Self-Supported NHC-Ru Single-Site Catalysts. J Catal 2022. [DOI: 10.1016/j.jcat.2022.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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9
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Promchana P, Choojun K, Leesakul N, Saithong S, Chainok K, Sooknoi T. Experimental insights into catalytic oxidation of 1,6-hexanediol to ε-caprolactone over ( p-cymene)RuCl 2(L) complexes in non-polar media. REACT CHEM ENG 2022. [DOI: 10.1039/d2re00159d] [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
The activity-pocket site dimension (θc) dependence of (p-cymene)RuCl2(L) supports associative interchange mechanism for 1,6-hexandiol oxidation to ε-caprolactone. Methyl isobutyl carbinol, a H-accepting product, reacts with Ru, causing deactivation.
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Affiliation(s)
- Pratya Promchana
- Department of Chemistry, School of Science, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok, 10520, Thailand
| | - Kittisak Choojun
- Department of Chemistry, School of Science, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok, 10520, Thailand
- Catalytic Chemistry Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok, 10520, Thailand
| | - Nararak Leesakul
- Division of Physical Science and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla, 90112, Thailand
| | - Saowanit Saithong
- Division of Physical Science and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Hat-Yai, Songkhla, 90112, Thailand
| | - Kittipong Chainok
- Materials and Textile Technology, Faculty of Science and Technology, Thammasat University, Khlong Luang, Pathum Thani, 12121 Thailand
| | - Tawan Sooknoi
- Department of Chemistry, School of Science, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok, 10520, Thailand
- Catalytic Chemistry Research Unit, School of Science, King Mongkut's Institute of Technology Ladkrabang, Chalongkrung Road, Ladkrabang, Bangkok, 10520, Thailand
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10
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Deolka S, Fayzullin RR, Khaskin E. Bulky PNP ligands blocking metal-ligand cooperation allow for isolation of Ru(0), and lead to catalytically active Ru complexes in acceptorless alcohol dehydrogenation. Chemistry 2021; 28:e202103778. [PMID: 34741487 DOI: 10.1002/chem.202103778] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Indexed: 11/12/2022]
Abstract
We synthesized two 4Me-PNP ligands which block metal-ligand cooperation (MLC) with the Ru center and compared their Ru complex chemistry to their two traditional analogues used in acceptorless alcohol dehydrogenation catalysis. The corresponding 4Me-PNP complexes, which do not undergo dearomatization upon addition of base, allowed us to obtain rare, albeit unstable, 16 electron mono CO Ru(0) complexes. Reactivity with CO and H 2 allows for stabilization and extensive characterization of bis CO Ru(0) 18 electron and Ru(II) cis and trans dihydride species that were also shown to be capable of C(sp2)-H activation. Reactivity and catalysis are contrasted to non-methylated Ru(II) species, showing that an MLC pathway is not necessary, with dramatic differences in outcomes during catalysis between i Pr and t Bu PNP complexes within each of the 4Me and non-methylated backbone PNP series being observed. Unusual intermediates are characterized in one of the new and one of the traditional complexes, and a common catalysis deactivation pathway was identified.
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Affiliation(s)
- Shubham Deolka
- Okinawa Institute of Science and Technology Graduate University, Chemistry, JAPAN
| | - Robert R Fayzullin
- Arbuzov Institute of Organic and Physical Chemistry FRC Kazan Scientific Center of Russian Academy of Sciences: Institut organicheskoj i fizicheskoj khimii imeni A E Arbuzova KazNC RAN, Organic and Physical Chemistry, RUSSIAN FEDERATION
| | - Eugene Khaskin
- Okinawa Institute of Science and Technology Graduate University, Chemistry, 1919-1 Tancha, 904-0495, Onna, JAPAN
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11
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Trincado M, Bösken J, Grützmacher H. Homogeneously catalyzed acceptorless dehydrogenation of alcohols: A progress report. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213967] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Nad P, Mukherjee A. Acceptorless Dehydrogenative Coupling Reactions by Manganese Pincer Complexes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100249] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Pinaki Nad
- Department of Chemistry Indian Institute of Technology Bhilai GEC Campus Sejbahar Raipur, Chhattisgarh 492015 India
| | - Arup Mukherjee
- Department of Chemistry Indian Institute of Technology Bhilai GEC Campus Sejbahar Raipur, Chhattisgarh 492015 India
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13
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Chen Z, Kacmaz A, Xiao J. Recent Development in the Synthesis and Catalytic Application of Iridacycles. CHEM REC 2021; 21:1506-1534. [PMID: 33939250 DOI: 10.1002/tcr.202100051] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/23/2021] [Accepted: 03/24/2021] [Indexed: 12/12/2022]
Abstract
Cyclometallated complexes are well-known and have found many applications. This article provides a short review on the progress made in the synthesis and application to catalysis of cyclometallated half-sandwich Cp*Ir(III) complexes (Cp*: pentamethylcyclopentadienyl) since 2017. Covered in the review are iridacycles featuring conventional C,N chelates and less common metallocene and carbene-derived C,N and C,C ligands. This is followed by an overview of the studies of their applications in catalysis ranging from asymmetric hydrogenation, transfer hydrogenation, hydrosilylation to dehydrogenation.
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Affiliation(s)
- Zhenyu Chen
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
| | - Aysecik Kacmaz
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK.,Department of Chemistry, Faculty of Engineering, Istanbul University - Cerrahpasa, Avcilar, Istanbul, 34320, Turkey
| | - Jianliang Xiao
- Department of Chemistry, University of Liverpool, Liverpool, L69 7ZD, UK
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14
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Seo CSG, Tsui BTH, Gradiski MV, Smith SAM, Morris RH. Enantioselective direct, base-free hydrogenation of ketones by a manganese amido complex of a homochiral, unsymmetrical P–N–P′ ligand. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00446h] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Base-free direct hydrogenation of ketones using a Mn(PNP′)(CO)2 complex is more enantioselective than that of a related base-activated iron complex.
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15
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Abstract
AbstractOxidation of primary alcohols to carboxylic acids is a fundamental transformation in organic chemistry, yet despite its simplicity, extensive use, and relationship to pH, it remains a subject of active research for synthetic organic chemists. Since 2013, a great number of new methods have emerged that utilize transition-metal compounds as catalysts for acceptorless dehydrogenation of alcohols to carboxylates. The interest in this reaction is explained by its atom economy, which is in accord with the principles of sustainability and green chemistry. Therefore, the methods for the direct synthesis of carboxylic acids from alcohols is ripe for a modern survey, which we provide in this review.1 Introduction2 Thermodynamics of Primary Alcohol Oxidation3 Oxometalate Oxidation4 Transfer Dehydrogenation5 Acceptorless Dehydrogenation6 Electrochemical Methods7 Outlook
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16
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Fanara PM, MacMillan SN, Lacy DC. Planar-Locked Ru-PNN Catalysts in 1-Phenylethanol Dehydrogenation. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00327] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Paul M. Fanara
- Department of Chemistry, University at Buffalo, SUNY, Buffalo, New York 14260-3000, United States
| | - Samantha N. MacMillan
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - David C. Lacy
- Department of Chemistry, University at Buffalo, SUNY, Buffalo, New York 14260-3000, United States
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17
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Yazdani E, Heydari A. Acceptorless dehydrogenative oxidation of primary alcohols to carboxylic acids and reduction of nitroarenes via hydrogen borrowing catalyzed by a novel nanomagnetic silver catalyst. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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18
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Toyooka G, Fujita KI. Synthesis of Dicarboxylic Acids from Aqueous Solutions of Diols with Hydrogen Evolution Catalyzed by an Iridium Complex. CHEMSUSCHEM 2020; 13:3820-3824. [PMID: 32449604 DOI: 10.1002/cssc.202001052] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 05/20/2020] [Indexed: 06/11/2023]
Abstract
A catalytic system for the synthesis of dicarboxylic acids from aqueous solutions of diols accompanied by the evolution of hydrogen was developed. An iridium complex bearing a functional bipyridonate ligand with N,N-dimethylamino substituents exhibited a high catalytic performance for this type of dehydrogenative reaction. For example, adipic acid was synthesized from an aqueous solution of 1,6-hexanediol in 97 % yield accompanied by the evolution of four equivalents of hydrogen by the present catalytic system. It should be noted that the simultaneous production of industrially important dicarboxylic acids and hydrogen, which is useful as an energy carrier, was achieved. In addition, the selective dehydrogenative oxidation of vicinal diols to give α-hydroxycarboxylic acids was also accomplished.
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Affiliation(s)
- Genki Toyooka
- Graduate School of Human and Environmental Studies, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan
| | - Ken-Ichi Fujita
- Graduate School of Human and Environmental Studies, Kyoto University, Sakyo-ku, Kyoto, 606-8501, Japan
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19
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Abstract
Our planet urgently needs sustainable solutions to alleviate the anthropogenic global warming and climate change. Homogeneous catalysis has the potential to play a fundamental role in this process, providing novel, efficient, and at the same time eco-friendly routes for both chemicals and energy production. In particular, pincer-type ligation shows promising properties in terms of long-term stability and selectivity, as well as allowing for mild reaction conditions and low catalyst loading. Indeed, pincer complexes have been applied to a plethora of sustainable chemical processes, such as hydrogen release, CO2 capture and conversion, N2 fixation, and biomass valorization for the synthesis of high-value chemicals and fuels. In this work, we show the main advances of the last five years in the use of pincer transition metal complexes in key catalytic processes aiming for a more sustainable chemical and energy production.
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20
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Hazra S, Malik E, Nair A, Tiwari V, Dolui P, Elias AJ. Catalytic Oxidation of Alcohols and Amines to Value‐Added Chemicals using Water as the Solvent. Chem Asian J 2020; 15:1916-1936. [DOI: 10.1002/asia.202000299] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 04/20/2020] [Indexed: 01/12/2023]
Affiliation(s)
- Susanta Hazra
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Ekta Malik
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Abhishek Nair
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Vikas Tiwari
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Pritam Dolui
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
| | - Anil J. Elias
- Department of ChemistryIndian Institute of Technology, Delhi Hauz Khas New Delhi 110016 India
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21
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Tindall DJ, Menche M, Schelwies M, Paciello RA, Schäfer A, Comba P, Rominger F, Hashmi ASK, Schaub T. Ru0 or RuII: A Study on Stabilizing the “Activated” Form of Ru-PNP Complexes with Additional Phosphine Ligands in Alcohol Dehydrogenation and Ester Hydrogenation. Inorg Chem 2020; 59:5099-5115. [DOI: 10.1021/acs.inorgchem.0c00337] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Daniel J. Tindall
- Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
| | - Maximilian Menche
- Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
- BASF SE, Quantum Chemistry & Molecular Simulation, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
| | - Mathias Schelwies
- BASF SE, Organic Synthesis, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
| | - Rocco A. Paciello
- BASF SE, Organic Synthesis, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
| | - Ansgar Schäfer
- BASF SE, Quantum Chemistry & Molecular Simulation, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
| | - Peter Comba
- Institute of Inorganic Chemistry & Interdisciplinary Center for Scientific Computing, Heidelberg University, Im Neuenheimer Feld 275, D-69120 Heidelberg, Germany
| | - Frank Rominger
- Institute of Organic Chemistry, Heidelberg University, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
| | - A. Stephen K. Hashmi
- Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
- Institute of Organic Chemistry, Heidelberg University, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
| | - Thomas Schaub
- Catalysis Research Laboratory (CaRLa), Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
- BASF SE, Organic Synthesis, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
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22
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Pradhan DR, Pattanaik S, Kishore J, Gunanathan C. Cobalt-Catalyzed Acceptorless Dehydrogenation of Alcohols to Carboxylate Salts and Hydrogen. Org Lett 2020; 22:1852-1857. [DOI: 10.1021/acs.orglett.0c00193] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Deepak Ranjan Pradhan
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar 752050, India
| | - Sandip Pattanaik
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar 752050, India
| | - Jugal Kishore
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar 752050, India
| | - Chidambaram Gunanathan
- School of Chemical Sciences, National Institute of Science Education and Research, HBNI, Bhubaneswar 752050, India
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23
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Budweg S, Junge K, Beller M. Catalytic oxidations by dehydrogenation of alkanes, alcohols and amines with defined (non)-noble metal pincer complexes. Catal Sci Technol 2020. [DOI: 10.1039/d0cy00699h] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The present review highlights the latest developments in the field of transition metal-catalysed oxidations, in particular C–C–, C–O– and C–N-bond dehydrogenations.
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Affiliation(s)
- Svenja Budweg
- Leibniz-Institut für Katalyse e.V
- Rostock 18059
- Germany
| | - Kathrin Junge
- Leibniz-Institut für Katalyse e.V
- Rostock 18059
- Germany
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24
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Borah D, Saha B, Sarma B, Das P. A cyclometalated Ir(III)-NHC complex as a recyclable catalyst for acceptorless dehydrogenation of alcohols to carboxylic acids. Dalton Trans 2020; 49:16866-16876. [PMID: 33179681 DOI: 10.1039/d0dt02341h] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this work, we have synthesized two new [C, C] cyclometalated Ir(iii)-NHC complexes, [IrCp*(C∧C:NHC)Br](1a,b), [Cp* = pentamethylcyclopentadienyl; NHC = (2-flurobenzyl)-1-(4-methoxyphenyl)-1H-imidazoline-2-ylidene (a); (2-flurobenzyl)-1-(4-formylphenyl)-1H-imidazoline-2-ylidene (b)] via intramolecular C-H bond activation. The molecular structure of complex 1a was determined by X-ray single crystal analysis. The catalytic potentials of the complexes were explored for acceptorless dehydrogenation of alcohols to carboxylic acids with concomitant hydrogen gas evolution. Under similar experimental conditions, complex 1a was found to be slightly more efficient than complex 1b. Using 0.1 mol% of complex 1a, good-to-excellent yields of carboxylic acids/carboxylates have been obtained for a wide range of alcohols, both aliphatic and aromatic, including those involving heterocycles, in a short reaction time with a low loading of catalyst. Remarkably, our method can produce benzoic acid from benzyl alcohol on a gram scale with a catalyst-to-substrate ratio as low as 1 : 5000 and exhibit a TON of 4550. Furthermore, the catalyst could be recycled at least three times without losing its activity. A mechanism has been proposed based on controlled experiments and in situ NMR study.
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Affiliation(s)
- Dhrubajit Borah
- Department of Chemistry, Dibrugarh University, Dibrugarh, Assam 786004, India.
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25
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Highly Efficient N-Heterocyclic Carbene/Ruthenium Catalytic Systems for the Acceptorless Dehydrogenation of Alcohols to Carboxylic Acids: Effects of Ancillary and Additional Ligands. Catalysts 2019. [DOI: 10.3390/catal10010010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Abstract
The transition-metal-catalyzed alcohol dehydrogenation to carboxylic acids has been identified as an atom-economical and attractive process. Among various catalytic systems, Ru-based systems have been the most accessed and investigated ones. With our growing interest in the discovery of new Ru catalysts comprising N-heterocyclic carbene (NHC) ligands for the dehydrogenative reactions of alcohols, we designed and prepared five NHC/Ru complexes ([Ru]-1–[Ru]-5) bearing different ancillary NHC ligands. Moreover, the effects of ancillary and additional ligands on the alcohol dehydrogenation with KOH were thoroughly explored, followed by the screening of other parameters. Accordingly, a highly active catalytic system, which is composed of [Ru]-5 combined with an additional NHC precursor L5, was discovered, affording a variety of acid products in a highly efficient manner. Gratifyingly, an extremely low Ru loading (125 ppm) and the maximum TOF value until now (4800) were obtained.
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26
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Cherepakhin V, Williams TJ. Catalyst Evolution in Ruthenium-Catalyzed Coupling of Amines and Alcohols. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03679] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Valeriy Cherepakhin
- Donald P. and Katherine B. Loker Hydrocarbon Institute and Department of Chemistry, University of Southern California, Los Angeles, California 90089-1661, United States
| | - Travis J. Williams
- Donald P. and Katherine B. Loker Hydrocarbon Institute and Department of Chemistry, University of Southern California, Los Angeles, California 90089-1661, United States
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27
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Smith NE, Bernskoetter WH, Hazari N. The Role of Proton Shuttles in the Reversible Activation of Hydrogen via Metal-Ligand Cooperation. J Am Chem Soc 2019; 141:17350-17360. [PMID: 31617710 DOI: 10.1021/jacs.9b09062] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The reversible activation of H2 via a pathway involving metal-ligand cooperation (MLC) is proposed to be important in many transition metal catalyzed hydrogenation and dehydrogenation reactions. Nevertheless, there is a paucity of experimental information probing the mechanism of this transformation. Here, we present an in-depth kinetic study of the 1,2-addition of H2 via an MLC pathway to the widely used iron catalyst [(iPrPNP)FeH(CO)] (1) (iPrPNP = N(CH2CH2PiPr2)2-). We report one of the first experimental demonstrations of an enhancement in rate for the activation of H2 using protic additives, which operate as "proton shuttles". Our results indicate that proton shuttles need to be able to both simultaneously donate and accept a proton, and the best shuttles are molecules that are strong hydrogen bond donors but sufficiently weak acids to avoid deleterious protonation of the transition metal complex. Additionally, comparison of the rate of H2 activation via an MLC pathway between 1 and two widely used ruthenium catalysts enables more general conclusions about the role of the metal, ancillary ligand, and proton shuttles in H2 activation. The results of this study provide guidance about the design of catalysts and additives to promote H2 activation via an MLC pathway.
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Affiliation(s)
- Nicholas E Smith
- The Department of Chemistry , Yale University , P.O. Box 208107, New Haven , Connecticut 06520 , United States
| | - Wesley H Bernskoetter
- The Department of Chemistry , The University of Missouri , Columbia , Missouri 65211 , United States
| | - Nilay Hazari
- The Department of Chemistry , Yale University , P.O. Box 208107, New Haven , Connecticut 06520 , United States
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28
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Mathis CL, Geary J, Ardon Y, Reese MS, Philliber MA, VanderLinden RT, Saouma CT. Thermodynamic Analysis of Metal–Ligand Cooperativity of PNP Ru Complexes: Implications for CO2 Hydrogenation to Methanol and Catalyst Inhibition. J Am Chem Soc 2019; 141:14317-14328. [DOI: 10.1021/jacs.9b06760] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Cheryl L. Mathis
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
| | - Jackson Geary
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
| | - Yotam Ardon
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
| | - Maxwell S. Reese
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
| | - Mallory A. Philliber
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
| | - Ryan T. VanderLinden
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
| | - Caroline T. Saouma
- Department of Chemistry, University of Utah, 315 S. 1400 E., Salt Lake City, Utah 84112, United States
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29
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Liu HM, Jian L, Li C, Zhang CC, Fu HY, Zheng XL, Chen H, Li RX. Dehydrogenation of Alcohols to Carboxylic Acid Catalyzed by in Situ-Generated Facial Ruthenium-CPP Complex. J Org Chem 2019; 84:9151-9160. [DOI: 10.1021/acs.joc.9b01100] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Hui-Min Liu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Lei Jian
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Chao Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Chun-Chun Zhang
- Analytical & Testing Center, Sichuan University, Chengdu 610064, Sichuan, P. R. China
| | - Hai-Yan Fu
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Xue-Li Zheng
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Hua Chen
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Rui-Xiang Li
- Key Laboratory of Green Chemistry & Technology, Ministry of Education College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
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30
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Kazemnejadi M, Alavi SA, Rezazadeh Z, Nasseri MA, Allahresani A, Esmaeilpour M. Fe3O4@SiO2@Im[Cl]Mn(III)-complex as a highly efficient magnetically recoverable nanocatalyst for selective oxidation of alcohol to imine and oxime. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2019.03.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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31
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Agapova A, Alberico E, Kammer A, Junge H, Beller M. Catalytic Dehydrogenation of Formic Acid with Ruthenium‐PNP‐Pincer Complexes: Comparing N‐Methylated and NH‐Ligands. ChemCatChem 2019. [DOI: 10.1002/cctc.201801897] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Anastasiya Agapova
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Elisabetta Alberico
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
- Istituto di Chimica BiomolecolareConsiglio Nazionale delle Ricerche tr. La Crucca 3 07100 Sassari Italy
| | - Anja Kammer
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Henrik Junge
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
| | - Matthias Beller
- Leibniz-Institut für Katalyse e. V. an derUniversität Rostock Albert-Einstein-Straße 29a 18059 Rostock Germany
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32
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Fujita KI. Development and Application of New Iridium Catalysts for Efficient Dehydrogenative Reactions of Organic Molecules. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20180301] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Ken-ichi Fujita
- Department of Interdisciplinary Environment, Graduate School of Human and Environmental Studies, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
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33
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Fujita KI. Development of Efficient Methods for Organic Synthesis, Hydrogen Storage, and Hydrogen Production Based on Catalytic Dehydrogenation of Organic Molecules. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.112] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ken-ichi Fujita
- Graduate School of Human and Environmental Studies, Kyoto University
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34
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Gong D, Hu B, Chen D. Bidentate Ru(ii)-NC complexes as catalysts for the dehydrogenative reaction from primary alcohols to carboxylic acids. Dalton Trans 2019; 48:8826-8834. [DOI: 10.1039/c9dt01414d] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Complex 1 is active for alcohol dehydrogenative reactions, and two critical intermediates were isolated and characterized.
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Affiliation(s)
- Dawei Gong
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage
- School of Chemical Engineering & Technology
- Harbin Institute of Technology
- Harbin 150001
- People's Republic of China
| | - Bowen Hu
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage
- School of Chemical Engineering & Technology
- Harbin Institute of Technology
- Harbin 150001
- People's Republic of China
| | - Dafa Chen
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage
- School of Chemical Engineering & Technology
- Harbin Institute of Technology
- Harbin 150001
- People's Republic of China
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35
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Wang ZQ, Tang XS, Yang ZQ, Yu BY, Wang HJ, Sang W, Yuan Y, Chen C, Verpoort F. Highly active bidentate N-heterocyclic carbene/ruthenium complexes performing dehydrogenative coupling of alcohols and hydroxides in open air. Chem Commun (Camb) 2019; 55:8591-8594. [DOI: 10.1039/c9cc03519b] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A highly active and robust bidentate NHC/Ru complex for the acceptorless dehydrogenative coupling of alcohols and hydroxides in open air.
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Affiliation(s)
- Zhi-Qin Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
- School of Materials Science and Engineering
| | - Xiao-Sheng Tang
- Key Laboratory of Optoelectronic Technology and Systems (Ministry of Education) College of Optoelectronic Engineering
- Chongqing University
- Chongqing 400044
- P. R. China
| | - Zhao-Qi Yang
- School of Pharmaceutical Sciences
- Jiangnan University
- Wuxi 214122
- China
| | - Bao-Yi Yu
- Key Laboratory of Urban Agriculture (North China)
- Ministry of Agriculture
- Beijing University of Agriculture
- Beijing 102206
- P. R. China
| | - Hua-Jing Wang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Wei Sang
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
- School of Materials Science and Engineering
| | - Ye Yuan
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Cheng Chen
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
| | - Francis Verpoort
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing
- Wuhan University of Technology
- Wuhan 430070
- P. R. China
- National Research Tomsk Polytechnic University
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36
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Shu S, Huang M, Jiang J, Qu LB, Liu Y, Ke Z. Catalyzed or non-catalyzed: chemoselectivity of Ru-catalyzed acceptorless dehydrogenative coupling of alcohols and amines via metal–ligand bond cooperation and (de)aromatization. Catal Sci Technol 2019. [DOI: 10.1039/c9cy00243j] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The mechanistic origin of the chemoselectivity for Ru-catalyzed acceptorless coupling of amines and alcohols.
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Affiliation(s)
- Siwei Shu
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Meijie Huang
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Jingxing Jiang
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
| | - Ling-Bo Qu
- College of Chemistry and Molecular Engineering
- Zhengzhou University
- Zhengzhou 450001
- P. R. China
| | - Yan Liu
- School of Chemical Engineering and Light Industry
- Guangdong University of Technology
- Guangzhou 510006
- P. R. China
| | - Zhuofeng Ke
- School of Materials Science and Engineering
- PCFM Lab
- Sun Yat-sen University
- Guangzhou 510275
- P. R. China
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37
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Monda F, Madsen R. Zinc Oxide-Catalyzed Dehydrogenation of Primary Alcohols into Carboxylic Acids. Chemistry 2018; 24:17832-17837. [PMID: 30273451 DOI: 10.1002/chem.201804402] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Indexed: 01/21/2023]
Abstract
Zinc oxide has been developed as a catalyst for the dehydrogenation of primary alcohols into carboxylic acids and hydrogen gas. The reaction is performed in mesitylene solution in the presence of potassium hydroxide, followed by workup with hydrochloric acid. The transformation can be applied to both benzylic and aliphatic primary alcohols and the catalytically active species was shown to be a homogeneous compound by a hot filtration test. Dialkylzinc and strongly basic zinc salts also catalyze the dehydrogenation with similar results. The mechanism is believed to involve the formation of a zinc alkoxide which degrades into the aldehyde and a zinc hydride. The latter reacts with the alcohol to form hydrogen gas and regenerate the zinc alkoxide. The degradation of a zinc alkoxide into the aldehyde upon heating was confirmed experimentally. The aldehyde can then undergo a Cannizzaro reaction or a Tishchenko reaction, which in the presence of hydroxide leads to the carboxylic acid.
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Affiliation(s)
- Fabrizio Monda
- Department of Chemistry, Technical University of Denmark, 2800, Kgs. Lyngby, Denmark
| | - Robert Madsen
- Department of Chemistry, Technical University of Denmark, 2800, Kgs. Lyngby, Denmark
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38
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Singh A, Singh SK, Saini AK, Mobin SM, Mathur P. Facile oxidation of alcohols to carboxylic acids in basic water medium by employing ruthenium picolinate cluster as an efficient catalyst. Appl Organomet Chem 2018. [DOI: 10.1002/aoc.4574] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ajeet Singh
- Discipline of Chemistry; Simrol, Khandwa Road Indore 453552 India
| | - Sandip K. Singh
- Discipline of Chemistry; Simrol, Khandwa Road Indore 453552 India
| | - Anoop K. Saini
- Discipline of Chemistry; Simrol, Khandwa Road Indore 453552 India
| | - Shaikh M. Mobin
- Discipline of Chemistry; Simrol, Khandwa Road Indore 453552 India
- Discipline of Biosciences and Bio-Medical Engineering; Simrol, Khandwa Road Indore 453552 India
- Discipline of Metallurgy Engineering and Materials Science; Indian Institute of Technology Indore; Simrol, Khandwa Road Indore 453552 India
| | - Pradeep Mathur
- Discipline of Chemistry; Simrol, Khandwa Road Indore 453552 India
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39
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Le L, Liu J, He T, Kim D, Lindley EJ, Cervarich TN, Malek JC, Pham J, Buck MR, Chianese AR. Structure–Function Relationship in Ester Hydrogenation Catalyzed by Ruthenium CNN-Pincer Complexes. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00470] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Linh Le
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Jiachen Liu
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Tianyi He
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Daniel Kim
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Eric J. Lindley
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Tia N. Cervarich
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Jack C. Malek
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - John Pham
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Matthew R. Buck
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
| | - Anthony R. Chianese
- Department of Chemistry, Colgate University, 13 Oak Drive, Hamilton, New York 13346, United States
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40
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Dehydrogenative Transformation of Alcoholic Substrates in Aqueous Media Catalyzed by an Iridium Complex Having a Functional Ligand with α-Hydroxypyridine and 4,5-Dihydro-1H-imidazol-2-yl Moieties. Catalysts 2018. [DOI: 10.3390/catal8080312] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
A new catalytic system that employs water as an environmentally friendly solvent for the dehydrogenative oxidation of alcohols and lactonization of diols has been developed. In this catalytic system, a water-soluble dicationic iridium complex having a functional ligand that comprises α-hydroxypyridine and 4,5-dihydro-1H-imidazol-2-yl moieties exhibits high catalytic performance. For example, the catalytic dehydrogenative oxidation of 1-phenylethanol in the presence of 0.25 mol % of the iridium catalyst and base under reflux in water proceeded to give acetophenone in 92% yield. Additionally, under similar reaction conditions, the iridium-catalyzed dehydrogenative lactonization of 1,2-benzenedimethanol gave phthalide in 98% yield.
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41
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Ruthenium-Pincer-Catalyzed Hydrogenation of Lactams to Amino Alcohols. Chem Asian J 2018; 13:2559-2565. [DOI: 10.1002/asia.201800759] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 06/06/2018] [Indexed: 01/07/2023]
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42
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Dehydrogenation of alcohols and polyols from a hydrogen production perspective. PHYSICAL SCIENCES REVIEWS 2018. [DOI: 10.1515/psr-2017-0017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Abstract
The production of hydrogen from renewable resources is still a major challenge in our way to reach a foreseen hydrogen economy. Abstracting the hydrogen contained in alcohols by means of acceptorless dehydrogenation reactions has emerged as a viable method with high potential. This is particularly true when applied to bio-based alcohols such as ethanol, glycerol or sugars, whose hydrogen extrusion is covered in this contribution. A general overview of the development of aceptorless alcohol dehydrogenation reactions and its potential implementation into future biorefineries are discussed.
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43
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Anaby A, Schelwies M, Schwaben J, Rominger F, Hashmi ASK, Schaub T. Study of Precatalyst Degradation Leading to the Discovery of a New Ru0 Precatalyst for Hydrogenation and Dehydrogenation. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00353] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Aviel Anaby
- Catalysis Research Laboratory (CaRLa) Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
| | - Mathias Schelwies
- BASF SE, Synthesis and Homogeneous Catalysis, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
| | - Jonas Schwaben
- BASF SE, Synthesis and Homogeneous Catalysis, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
| | - A. Stephen K. Hashmi
- Catalysis Research Laboratory (CaRLa) Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, D-69120 Heidelberg, Germany
| | - Thomas Schaub
- Catalysis Research Laboratory (CaRLa) Im Neuenheimer Feld 584, D-69120 Heidelberg, Germany
- BASF SE, Synthesis and Homogeneous Catalysis, Carl-Bosch-Straße 38, D-67056 Ludwigshafen, Germany
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44
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Kuwahara M, Nishioka M, Yoshida M, Fujita KI. A Sustainable Method for the Synthesis of Acetic Acid Based on Dehydrogenation of an Ethanol-Water Solution Catalyzed by an Iridium Complex Bearing a Functional Bipyridonate Ligand. ChemCatChem 2018. [DOI: 10.1002/cctc.201800680] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Masato Kuwahara
- Graduate School of Human and Environmental Studies; Kyoto University; Sakyo-ku Kyoto 606-8501 Japan
| | - Masaaki Nishioka
- Graduate School of Human and Environmental Studies; Kyoto University; Sakyo-ku Kyoto 606-8501 Japan
| | - Masato Yoshida
- Graduate School of Human and Environmental Studies; Kyoto University; Sakyo-ku Kyoto 606-8501 Japan
| | - Ken-ichi Fujita
- Graduate School of Human and Environmental Studies; Kyoto University; Sakyo-ku Kyoto 606-8501 Japan
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45
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Suárez A. Hydrogenation of carbonyl compounds of relevance to hydrogen storage in alcohols. PHYSICAL SCIENCES REVIEWS 2018. [DOI: 10.1515/psr-2017-0028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Abstract
Alcohols are a promising source for the sustainable production of hydrogen that may also serve as rechargeable liquid organic hydrogen carriers (LOHCs). Metal-catalyzed acceptorless dehydrogenation of alcohols produces carbonyl derivatives as H2-depleted by-products, which by means of a hydrogenation reaction can be reconverted to the initial alcohols. Hence, reversible H2-storage systems based on pairs of secondary alcohols/ketones and primary alcohols/carboxylic acid derivatives may be envisaged. In this contribution, the hydrogenation of carbonyl derivatives, including ketones, esters, amides and carboxylic acids, is reviewed from the perspective of the hydrogen storage in alcohols.
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Valdés H, García-Eleno MA, Canseco-Gonzalez D, Morales-Morales D. Recent Advances in Catalysis with Transition-Metal Pincer Compounds. ChemCatChem 2018. [DOI: 10.1002/cctc.201702019] [Citation(s) in RCA: 146] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Hugo Valdés
- Instituto de Química; Universidad Nacional Autónoma de México; Circuito Exterior s/n, Ciudad Universitaria, Coyoacán 04510 Ciudad de México México
| | - Marco A. García-Eleno
- Centro Conjunto de Investigación en Química Sustentable UAEM-UNAM; Universidad Autónoma del Estado de México; Carretera Toluca-Atlacomulco Km 14.5 Toluca, Estado de México 50200 México
| | - Daniel Canseco-Gonzalez
- CONACYT-Laboratorio Nacional de Investigación y Servicio, Agroalimentario y Forestal; Universidad Autónoma Chapingo; Texcoco de Mora México
| | - David Morales-Morales
- Instituto de Química; Universidad Nacional Autónoma de México; Circuito Exterior s/n, Ciudad Universitaria, Coyoacán 04510 Ciudad de México México
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47
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Stanje B, Traar P, Schachner JA, Belaj F, Mösch-Zanetti NC. Iron catalyzed oxidation of benzylic alcohols to benzoic acids. Dalton Trans 2018; 47:6412-6420. [PMID: 29687808 DOI: 10.1039/c8dt00819a] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The bidentate N,O-ligands phenol-pyrazole (HL1), naphthol-pyrazole (HL2) and the commercially available ligand 5-methylphenol-benzotriazole (HL3) were used for the synthesis of novel iron(iii) complexes. The mononuclear iron complexes [FeCl(L1)2] (1), [FeCl(L2)2] (2) and [FeCl(L3)2] (3) are stable to air and moisture, both in the solid state as well as in solution, while the dinuclear, μ-oxido bridged complex [{Fe(L1)2}2(μ-O)] (1a) is air sensitive. All four complexes 1, 2, 3 and 1a were investigated for their catalytic activity in the direct one-pot oxidation of primary alcohols to carbonic acids with 30% aq. hydrogen peroxide (H2O2) as the oxidation agent. The activity in oxidation reactions of the isolated, mononuclear complexes 1-3 was further compared to their in situ prepared analogues IS1-3. Experimentally obtained results indicate a tendency of higher activity for the oxidation of primary alcohols for the in situ prepared complexes. In conclusion, the oxidation of aromatic primary alcohols to carboxylic acids using isolated iron(iii) complexes and in situ generated complexes in the presence of H2O2 results in good to high yields. The reaction is straight-forward, clean and generates water as the only by-product.
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Affiliation(s)
- B Stanje
- University of Graz, Institute of Chemistry, Schuberstr. 1, 8010 Graz, Austria.
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Nguyen DH, Trivelli X, Capet F, Swesi Y, Favre-Réguillon A, Vanoye L, Dumeignil F, Gauvin RM. Deeper Mechanistic Insight into Ru Pincer-Mediated Acceptorless Dehydrogenative Coupling of Alcohols: Exchanges, Intermediates, and Deactivation Species. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00995] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Duc Hanh Nguyen
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, Lille F-59000, France
| | - Xavier Trivelli
- Université de Lille, CNRS, UMR 8576 - UGSF - Unité de Glycobiologie Structurale et Fonctionnelle, Lille F-59000, France
| | - Frédéric Capet
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, Lille F-59000, France
| | - Youssef Swesi
- Laboratoire de Génie des Procédés Catalytiques, LGPC, CNRS - CPE Lyon - Université de Lyon, Villeurbanne F-69616, France
| | - Alain Favre-Réguillon
- Laboratoire de Génie des Procédés Catalytiques, LGPC, CNRS - CPE Lyon - Université de Lyon, Villeurbanne F-69616, France
| | - Laurent Vanoye
- Laboratoire de Génie des Procédés Catalytiques, LGPC, CNRS - CPE Lyon - Université de Lyon, Villeurbanne F-69616, France
| | - Franck Dumeignil
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, Lille F-59000, France
| | - Régis M. Gauvin
- Université de Lille, CNRS, Centrale Lille, ENSCL, Université d’Artois, UMR 8181 - UCCS - Unité de Catalyse et Chimie du Solide, Lille F-59000, France
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49
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Bhatia A, Muthaiah S. Well-Defined Ruthenium Complex for Acceptorless Alcohol Dehydrogenation in Aqueous Medium. ChemistrySelect 2018. [DOI: 10.1002/slct.201702981] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Anita Bhatia
- Department of Chemistry; National Institute of Technology Kurukshetra; Kurukshetra- 136119, Haryana India
| | - Senthilkumar Muthaiah
- Department of Chemistry; National Institute of Technology Kurukshetra; Kurukshetra- 136119, Haryana India
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50
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Hu P, Milstein D. Conversion of Alcohols to Carboxylates Using Water and Base with H2 Liberation. TOP ORGANOMETAL CHEM 2018. [DOI: 10.1007/3418_2018_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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