1
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Investigating cubane formation and effect of co-crystallization agents in oxo-bridged Co complexes using X-ray absorption spectroscopy. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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2
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Mittal R, Awasthi SK. A Synergistic Magnetically Retrievable Inorganic‐Organic Hybrid Metal Oxide Catalyst for Scalable Selective Oxidation of Alcohols to Aldehydes and Ketones. ChemCatChem 2021. [DOI: 10.1002/cctc.202101262] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Rupali Mittal
- Chemical Biology Laboratory Department of Chemistry University of Delhi Delhi 110007 India
| | - Satish Kumar Awasthi
- Chemical Biology Laboratory Department of Chemistry University of Delhi Delhi 110007 India
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3
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Asthana M, Syiemlieh I, Kumar A, Lal RA. Direct oxidation of alcohols catalysed by heterometallic complex [CuNi(bz)3(bpy)2]ClO4 to aldehydes and ketones mediated by hydrogen peroxide as a terminal oxidant. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119286] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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4
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Budnikova Y, Bochkova O, Khrizanforov M, Nizameev I, Kholin K, Gryaznova T, Laskin A, Dudkina Y, Strekalova S, Fedorenko S, Kononov A, Mustafina A. Selective C(sp2)‐H Amination Catalyzed by High‐Valent Cobalt(III)/(IV)‐bpy Complex Immobilized on Silica Nanoparticles. ChemCatChem 2019. [DOI: 10.1002/cctc.201901391] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Yulia Budnikova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Olga Bochkova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Mikhail Khrizanforov
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Irek Nizameev
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Kirill Kholin
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Tatyana Gryaznova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Artem Laskin
- Kazan Federal University Kremlevskaya str. 29/1 Kazan 420008 Russian Federation
| | - Yulia Dudkina
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Sofia Strekalova
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Svetlana Fedorenko
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Aleksandr Kononov
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
| | - Asia Mustafina
- Arbuzov Institute of Organic and Physical ChemistryFRC Kazan Scientific Center, Russian Academy of Sciences 420088 Arbuzov str. 8 Kazan Russian Federation
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5
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Syiemlieh I, Asthana M, Kurbah SD, Lal RA. Synthesis, crystal structure and reactivity of homobimetallic vanadium(V) complexes derived from oxaloyldihydrazone ligands. Polyhedron 2019. [DOI: 10.1016/j.poly.2019.05.047] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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6
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Syiemlieh I, Asthana M, Lal RA. Reactivity and Catalytic Activity of Homobimetallic Vanadium(V) Complex Derived from Bis(5‐chlorosalicylaldehyde)oxaloyldihydrazone Ligand. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4984] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Ibanphylla Syiemlieh
- Department of Chemistry, Centre for Advanced StudiesNorth‐Eastern Hill University Shillong 793022 India
| | | | - Ram A. Lal
- Department of Chemistry, Centre for Advanced StudiesNorth‐Eastern Hill University Shillong 793022 India
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7
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Lloret-Fillol J, Costas M. Water oxidation at base metal molecular catalysts. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2019. [DOI: 10.1016/bs.adomc.2019.02.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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8
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Syiemlieh I, Asthana M, Asthana SK, Kurbah SD, Koch A, Lal RA. Water soluble new bimetallic catalyst [CuZn(bz)3(bpy)2]PF6 in hydrogen peroxide mediated oxidation of alcohols to aldehydes/ketones and C-N functional groups. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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9
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de Souza Magossi M, Maraldi VA, de Souza Magossi M, Dias Filho NL, Ribeiro do Carmo D. Silica Gel Functionalized with 4-Amino-5-(4pyridyl)-4H-1,2,4-triazole-3-thiol and their Use as a Copper Sorbent and Electromediator for Voltammetric Detection of Ascorbic Acid. ELECTROANAL 2018. [DOI: 10.1002/elan.201800361] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Maiara de Souza Magossi
- Faculdade de Engenharia de Ilha Solteira, Universidade Estadual Paulista “Júlio de Mesquita Filho”; Departamento de Física e Química, Av. Brasil, 56, CEP.; 15385-000 Ilha Solteira-SP Brazil
| | - Vitor Alexandre Maraldi
- Faculdade de Engenharia de Ilha Solteira, Universidade Estadual Paulista “Júlio de Mesquita Filho”; Departamento de Física e Química, Av. Brasil, 56, CEP.; 15385-000 Ilha Solteira-SP Brazil
| | - Mariana de Souza Magossi
- Faculdade de Engenharia de Ilha Solteira, Universidade Estadual Paulista “Júlio de Mesquita Filho”; Departamento de Física e Química, Av. Brasil, 56, CEP.; 15385-000 Ilha Solteira-SP Brazil
| | - Newton Luiz Dias Filho
- Faculdade de Engenharia de Ilha Solteira; Universidade Estadual Paulista “Júlio de Mesquita Filho”, Departamento de Engenharia Mecânica, Av. Brasil, 56, CEP.; 15385-000 Ilha Solteira-SP, Brazil
| | - Devaney Ribeiro do Carmo
- Faculdade de Engenharia de Ilha Solteira, Universidade Estadual Paulista “Júlio de Mesquita Filho”; Departamento de Física e Química, Av. Brasil, 56, CEP.; 15385-000 Ilha Solteira-SP Brazil
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10
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Lal RA, Kumar A, Syiemlieh I, Kurbah SD. Synthesis, characterization, and catalytic activity of a water soluble copper(II) and nickel(II) heterobimetallic complex [CuNi(μ-OH)(μ-OH2)(μ-OAc)(bpy)2](ClO4)2 in aqueous medium in the absence of a base and co-catalyst. J COORD CHEM 2017. [DOI: 10.1080/00958972.2017.1358812] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Ram A. Lal
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
| | - Arvind Kumar
- Department of Chemistry, Faculty of Science and Technology, The University of West-Indies, St. Augustine, Trinidad and Tobago
| | - Ibanphylla Syiemlieh
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
| | - Sunshine D. Kurbah
- Centre for Advanced Studies, Department of Chemistry, North-Eastern Hill University, Shillong, India
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11
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Fischer AI, Panina NS, Belyaev AN. The structural organization of oligonuclear cobalt(II, III) and cobalt(III) carboxylates. RUSS J COORD CHEM+ 2016. [DOI: 10.1134/s1070328416100018] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Hadt RG, Hayes D, Brodsky CN, Ullman AM, Casa DM, Upton MH, Nocera DG, Chen LX. X-ray Spectroscopic Characterization of Co(IV) and Metal-Metal Interactions in Co4O4: Electronic Structure Contributions to the Formation of High-Valent States Relevant to the Oxygen Evolution Reaction. J Am Chem Soc 2016; 138:11017-30. [PMID: 27515121 DOI: 10.1021/jacs.6b04663] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The formation of high-valent states is a key factor in making highly active transition-metal-based catalysts of the oxygen evolution reaction (OER). These high oxidation states will be strongly influenced by the local geometric and electronic structures of the metal ion, which are difficult to study due to spectroscopically active and complex backgrounds, short lifetimes, and limited concentrations. Here, we use a wide range of complementary X-ray spectroscopies coupled to DFT calculations to study Co(III)4O4 cubanes and their first oxidized derivatives, which provide insight into the high-valent Co(IV) centers responsible for the activity of molecular and heterogeneous OER catalysts. The combination of X-ray absorption and 1s3p resonant inelastic X-ray scattering (Kβ RIXS) allows Co(IV) to be isolated and studied against a spectroscopically active Co(III) background. Co K- and L-edge X-ray absorption data allow for a detailed characterization of the 3d-manifold of effectively localized Co(IV) centers and provide a direct handle on the t2g-based redox-active molecular orbital. Kβ RIXS is also shown to provide a powerful probe of Co(IV), and specific spectral features are sensitive to the degree of oxo-mediated metal-metal coupling across Co4O4. Guided by the data, calculations show that electron-hole delocalization can actually oppose Co(IV) formation. Computational extension of Co4O4 to CoM3O4 structures (M = redox-inactive metal) defines electronic structure contributions to Co(IV) formation. Redox activity is shown to be linearly related to covalency, and M(III) oxo inductive effects on Co(IV) oxo bonding can tune the covalency of high-valent sites over a large range and thereby tune E(0) over hundreds of millivolts. Additionally, redox-inactive metal substitution can also switch the ground state and modify metal-metal and antibonding interactions across the cluster.
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Affiliation(s)
| | | | - Casey N Brodsky
- Department of Chemistry and Chemical Biology, Harvard University , Cambridge, Massachusetts 02138, United States
| | - Andrew M Ullman
- Department of Chemistry and Chemical Biology, Harvard University , Cambridge, Massachusetts 02138, United States
| | | | | | - Daniel G Nocera
- Department of Chemistry and Chemical Biology, Harvard University , Cambridge, Massachusetts 02138, United States
| | - Lin X Chen
- Department of Chemistry, Northwestern University , Evanston, Illinois 60208, United States
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13
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Kärkäs MD, Åkermark B. Water oxidation using earth-abundant transition metal catalysts: opportunities and challenges. Dalton Trans 2016; 45:14421-61. [DOI: 10.1039/c6dt00809g] [Citation(s) in RCA: 181] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Catalysts for the oxidation of water are a vital component of solar energy to fuel conversion technologies. This Perspective summarizes recent advances in the field of designing homogeneous water oxidation catalysts (WOCs) based on Mn, Fe, Co and Cu.
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Affiliation(s)
- Markus D. Kärkäs
- Department of Organic Chemistry
- Arrhenius Laboratory
- Stockholm University
- SE-106 91 Stockholm
- Sweden
| | - Björn Åkermark
- Department of Organic Chemistry
- Arrhenius Laboratory
- Stockholm University
- SE-106 91 Stockholm
- Sweden
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14
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Smith PF, Hunt L, Laursen AB, Sagar V, Kaushik S, Calvinho KUD, Marotta G, Mosconi E, De Angelis F, Dismukes GC. Water Oxidation by the [Co4O4(OAc)4(py)4]+ Cubium is Initiated by OH– Addition. J Am Chem Soc 2015; 137:15460-8. [DOI: 10.1021/jacs.5b09152] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Paul F. Smith
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Liam Hunt
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Anders B. Laursen
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Viral Sagar
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Shivam Kaushik
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Karin U. D. Calvinho
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Gabriele Marotta
- Computational
Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Molecolari (ISTM-CNR), Via Elce di Sotto 8, Perugia 06123, Italy
| | - Edoardo Mosconi
- Computational
Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Molecolari (ISTM-CNR), Via Elce di Sotto 8, Perugia 06123, Italy
| | - Filippo De Angelis
- Computational
Laboratory for Hybrid/Organic Photovoltaics (CLHYO), Istituto CNR di Scienze e Tecnologie Molecolari (ISTM-CNR), Via Elce di Sotto 8, Perugia 06123, Italy
| | - G. Charles Dismukes
- Department
of Chemistry and Chemical Biology, Rutgers, the State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
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15
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Preparation and characterization of di-(μ2-CH3COO-κ2O:O′)-tetrakis[μ3-methoxo-2,4-pentanedionatometal(II,III)] complexes. Polyhedron 2015. [DOI: 10.1016/j.poly.2015.04.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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16
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Selective oxidation of benzylic, allylic and propargylic alcohols using dirhodium(II) tetraamidinate as catalyst and aqueoustert-butyl hydroperoxide as oxidant. Appl Organomet Chem 2015. [DOI: 10.1002/aoc.3281] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Goyal R, Dumbre D, Konathala LNS, Pandey M, Bordoloi A. Oxidative coupling of aniline and desulfurization over nitrogen rich mesoporous carbon. Catal Sci Technol 2015. [DOI: 10.1039/c5cy00484e] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tungsten loaded mesoporous nitrogen rich carbon materials were synthesized using SBA-15 as a hard template and these multifunctional materials ware successfully applied for oxidative coupling of aniline as well as desulfurization of dibenzothiophene.
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Affiliation(s)
- Reena Goyal
- Refinery Technology Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
| | - Deepa Dumbre
- Centre for Advanced Material and Industrial Chemistry
- School of Applied Sciences
- University of Melbourne
- Australia 3000
| | | | - Monica Pandey
- Refinery Technology Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
| | - Ankur Bordoloi
- Refinery Technology Division
- CSIR-Indian Institute of Petroleum
- Dehradun-248005
- India
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18
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Zhou X, Li F, Li H, Zhang B, Yu F, Sun L. Photocatalytic water oxidation by molecular assemblies based on cobalt catalysts. CHEMSUSCHEM 2014; 7:2453-2456. [PMID: 25111070 DOI: 10.1002/cssc.201402195] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 06/09/2014] [Indexed: 06/03/2023]
Abstract
Chromophore-catalyst molecular assemblies towards visible light-driven water oxidation were synthesized by covalent integration of a light-harvesting complex [Ru(bpy)3](2+) (bpy=2,2'-bipyridine) and a Co4O4 cubane water oxidation catalyst. The two components were assembled either in linear or macrocyclic configurations. In the presence of the sacrificial reagent, the Ru-Co metallocycle exhibits remarkable photocatalytic activity for oxygen evolution, which is one order of magnitude higher than that of a multicomponent system and exceeds that of a linear assembly by a factor of five, offering access to highly active photocatalyst through molecular design.
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Affiliation(s)
- Xu Zhou
- State Key Laboratory of Fine Chemicals, Dalian University of Technology (DUT), DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian 116024 (PR China), Fax: (+86) 411-84986245
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19
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Nefedov SE, Uvarova MA, Golubnichaya MA, Nefedova IV, Chikhichin DG, Kotseruba VA, Levchenko OA, Kamalov GL. A hexanuclear cobalt(III) complex containing the pseudocubane fragment [Co4(μ4-O)2(μ3-O)2] in its metal framework and a solvated dibenzyl ether molecule. RUSS J COORD CHEM+ 2014. [DOI: 10.1134/s1070328414060049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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20
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Smith PF, Kaplan C, Sheats JE, Robinson DM, McCool NS, Mezle N, Dismukes GC. What Determines Catalyst Functionality in Molecular Water Oxidation? Dependence on Ligands and Metal Nuclearity in Cobalt Clusters. Inorg Chem 2014; 53:2113-21. [DOI: 10.1021/ic402720p] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Paul F. Smith
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
| | - Christopher Kaplan
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
| | - John E. Sheats
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
| | - David M. Robinson
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
| | - Nicholas S. McCool
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
| | - Nicholas Mezle
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
| | - G. Charles Dismukes
- Department of Chemistry and
Chemical Biology, Rutgers University, 610 Taylor Road, Piscataway, New Jersy 08854, United States
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21
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Islam SM, Roy AS, Dalapati S, Saha R, Mondal P, Ghosh K, Chatterjee S, Sarkar K, Guchhait N, Mitra P. Synthesis, crystal structure and spectroscopic studies of a cobalt(III) Schiff base complex and its use as a heterogeneous catalyst for the oxidation reaction under mild condition. ACTA ACUST UNITED AC 2013. [DOI: 10.1016/j.molcata.2013.09.022] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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22
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Singh RSK, Kashyap B, Phukan P. Nicotinic acid functionalized organomodified silica as an efficient heterogeneous catalyst for the synthesis of benzoyl fumarate. Tetrahedron Lett 2013. [DOI: 10.1016/j.tetlet.2013.09.057] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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23
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Tris-chelate complexes of cobalt(III) with N-[di(alkyl/aryl)carbamothioyl] benzamide derivatives: Synthesis, crystallography and catalytic activity in TBHP oxidation of alcohols. ACTA ACUST UNITED AC 2012. [DOI: 10.1016/j.molcata.2011.11.019] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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DAS BIRINCHIKUMAR, CHAKRABARTY RAJESH. Cobalt(III)-oxo cubane clusters as catalysts for oxidation of organic substrates. J CHEM SCI 2011. [DOI: 10.1007/s12039-011-0111-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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25
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McCool NS, Robinson DM, Sheats JE, Dismukes GC. A Co4O4 “Cubane” Water Oxidation Catalyst Inspired by Photosynthesis. J Am Chem Soc 2011; 133:11446-9. [DOI: 10.1021/ja203877y] [Citation(s) in RCA: 303] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Nicholas S. McCool
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - David M. Robinson
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - John E. Sheats
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - G. Charles Dismukes
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
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26
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GAO P, ZHANG T, ZHOU Y, ZHAO Y. Co(III)-Modified SBA-15: Preparation, Characterization and Catalytic Per-formance for Epoxidation of Cyclohexene. CHINESE JOURNAL OF CATALYSIS 2011. [DOI: 10.3724/sp.j.1088.2011.00722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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27
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Metal-free activation of H2O2 by synergic effect of ionic liquid and microwave: chemoselective oxidation of benzylic alcohols to carbonyls and unexpected formation of anthraquinone in aqueous condition. Mol Divers 2010; 15:687-95. [DOI: 10.1007/s11030-010-9292-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2010] [Accepted: 11/08/2010] [Indexed: 10/18/2022]
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28
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Yamada YMA, Jin CK, Uozumi Y. H2O2-Oxidation of Alcohols Promoted by Polymeric Phosphotungstate Catalysts. Org Lett 2010; 12:4540-3. [DOI: 10.1021/ol101839m] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Yoichi M. A. Yamada
- RIKEN Advanced Science Institute, Wako, Saitama 351-0198, Japan, and Institute for Molecular Science, Okazaki, Aichi 444-8787, Japan
| | - Chung Keun Jin
- RIKEN Advanced Science Institute, Wako, Saitama 351-0198, Japan, and Institute for Molecular Science, Okazaki, Aichi 444-8787, Japan
| | - Yasuhiro Uozumi
- RIKEN Advanced Science Institute, Wako, Saitama 351-0198, Japan, and Institute for Molecular Science, Okazaki, Aichi 444-8787, Japan
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29
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Novel dicopper(II)-tetracarboxylates as catalysts for selective oxidation of benzyl alcohols with aqueous TBHP. CATAL COMMUN 2010. [DOI: 10.1016/j.catcom.2010.03.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Zahmakıran M, Akbayrak S, Kodaira T, Özkar S. Osmium(0) nanoclusters stabilized by zeolite framework; highly active catalyst in the aerobic oxidation of alcohols under mild conditions. Dalton Trans 2010; 39:7521-7. [DOI: 10.1039/c003200j] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Malumbazo N, Mapolie SF. Silica immobilized salicylaldimine Cu(II) and Co(II) complexes as catalysts in cyclohexene oxidation: A comparative study of support effects. ACTA ACUST UNITED AC 2009. [DOI: 10.1016/j.molcata.2009.07.006] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Chakrabarty R, Sarmah P, Saha B, Chakravorty S, Das BK. Catalytic Properties of Cobalt(III)−Oxo Cubanes in the TBHP Oxidation of Benzylic Alcohols. Inorg Chem 2009; 48:6371-9. [DOI: 10.1021/ic802115n] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
| | - Purabi Sarmah
- Department of Chemistry, Gauhati University, Guwahati 781 014, India
| | - Bapan Saha
- Department of Chemistry, Gauhati University, Guwahati 781 014, India
| | | | - Birinchi K. Das
- Department of Chemistry, Gauhati University, Guwahati 781 014, India
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He J, Wu T, Jiang T, Zhou X, Hu B, Han B. Aerobic oxidation of secondary alcohols to ketones catalyzed by cobalt(II)/ZnO in poly(ethylene glycol)/CO2 system. CATAL COMMUN 2008. [DOI: 10.1016/j.catcom.2008.05.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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Chakrabarty R, Bora SJ, Das BK. Synthesis, Structure, Spectral and Electrochemical Properties, and Catalytic Use of Cobalt(III)−Oxo Cubane Clusters. Inorg Chem 2007; 46:9450-62. [PMID: 17910439 DOI: 10.1021/ic7011759] [Citation(s) in RCA: 97] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Olive-green cobalt(III) complexes having the general formula Co4O4(O2CMe)4L4 (1) where L = py (1a), 4-Mepy (1b), 4-Etpy (1c), and 4-CNpy (1d) have been prepared by the H2O2 oxidation of a mixture of Co2+, MeCO2-, and pyridine or 4-substituted pyridines in a 1:2:1 molar ratio in methanol. Spectroscopic and X-ray crystallographic studies show that these complexes contain a tetrameric cubane-like core [Co4(mu3-O)4]4+ where the four cobalt atoms form an approximate tetrahedron with edge lengths of approximately 2.75 A. Each cobalt in the crystallographically determined structure of Co4(mu3-O)4(mu-O2CMe)4L4 in 1a.NaClO4.3.5H2O and 1b.3H2O is hexacoordinate. Infrared spectra of the complexes show characteristic bands near 700, 635, and 580 cm-1 due to the central cubane-like core. 1H NMR spectra of the complexes show that the dissolved species are essentially diamagnetic and also that the complexes maintain their integrity in solution. UV-vis spectra of the green solutions have been interpreted in terms of ligand-field and charge-transfer bands. The electrochemical behavior of the complexes studied by cyclic and differential pulse voltammetric techniques indicates that the [(CoIII)4(mu3-O)4]4+ core present in the complexes undergoes a reversible one-electron oxidation to the [(CoIII)3CoIV(mu3-O)4]5+ core with an E1/2 value below 1 V. This suggests that these complexes of cobalt may be suitable as catalysts for the oxidation of organic compounds. Preliminary investigations indicate that 1a has a role to play in the cobalt-catalyzed aerobic oxidation of neat ethylbenzene and p-xylene.
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