1
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Paik A, Paul S, Bhowmik S, Das R, Naveen T, Rana S. Recent Advances in First Row Transition Metal Mediated C‐H Halogenation of (Hetero)arenes and Alkanes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Aniruddha Paik
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Sabarni Paul
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Sabyasachi Bhowmik
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Rahul Das
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Togati Naveen
- Sardar Vallabhbhai National Institute of Technology Department of Chemistry 395007 Surat INDIA
| | - Sujoy Rana
- University of North Bengal Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India, 734013 734013 Siliguri INDIA
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2
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Zheng A, Zhou Q, Ding B, Li D, Zhang T, Hou Z. Reduced Amino Acid Schiff Base‐Iron(III) Complexes Catalyzing Oxidation of Cyclohexane with Hydrogen Peroxide. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Anna Zheng
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China
| | - Qingqing Zhou
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China
| | - Bingjie Ding
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China
| | - Difan Li
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China
| | - Tong Zhang
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China
| | - Zhenshan Hou
- Key Laboratory for Advanced Materials, Research Institute of Industrial Catalysis School of Chemistry and Molecular Engineering East China University of Science and Technology Shanghai 200237 China
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes East China Normal University School of Chemistry and Molecular Engineering Shanghai 200062 China
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3
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Xie P, Xue C, Shi S, Du D. Visible-Light-Driven Selective Air-Oxygenation of C-H Bond via CeCl 3 Catalysis in Water. CHEMSUSCHEM 2021; 14:2689-2693. [PMID: 33877736 DOI: 10.1002/cssc.202100682] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 04/20/2021] [Indexed: 06/12/2023]
Abstract
Visible-light-induced C-H aerobic oxidation is an important chemical transformation that can be applied for the synthesis of aromatic ketones. High-cost catalysts and toxic solvents were generally needed in the present methodologies. Here, an efficient aqueous C-H aerobic oxidation protocol was reported. Through CeCl3 -mediated photocatalysis, a series of aromatic ketones were produced in moderate to excellent yields. With air as the oxidant, this reaction could be performed under mild conditions in water and demonstrated high activity and functional group tolerance. This method is economical, highly efficient, and environmentally friendly, and it will provide inspiration for the development of aqueous photochemical synthesis reactions.
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Affiliation(s)
- Pan Xie
- College of Chemistry and Chemistry Engineering, Shaanxi Key Laboratory of Chemistry Additives for Industry, Shaanxi University of Science & Technology, Xi'an, 710021 (P. R., China
| | - Cheng Xue
- College of Chemistry and Chemistry Engineering, Shaanxi Key Laboratory of Chemistry Additives for Industry, Shaanxi University of Science & Technology, Xi'an, 710021 (P. R., China
| | - Sanshan Shi
- College of Chemistry and Chemistry Engineering, Shaanxi Key Laboratory of Chemistry Additives for Industry, Shaanxi University of Science & Technology, Xi'an, 710021 (P. R., China
| | - Dongdong Du
- College of Chemistry and Chemistry Engineering, Shaanxi Key Laboratory of Chemistry Additives for Industry, Shaanxi University of Science & Technology, Xi'an, 710021 (P. R., China
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4
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Warm K, Paskin A, Kuhlmann U, Bill E, Swart M, Haumann M, Dau H, Hildebrandt P, Ray K. A Pseudotetrahedral Terminal Oxoiron(IV) Complex: Mechanistic Promiscuity in C-H Bond Oxidation Reactions. Angew Chem Int Ed Engl 2021; 60:6752-6756. [PMID: 33348460 PMCID: PMC7985879 DOI: 10.1002/anie.202015896] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Indexed: 11/12/2022]
Abstract
S=2 oxoiron(IV) species act as reactive intermediates in the catalytic cycle of nonheme iron oxygenases. The few available synthetic S=2 FeIV =O complexes known to date are often limited to trigonal bipyramidal and very rarely to octahedral geometries. Herein we describe the generation and characterization of an S=2 pseudotetrahedral FeIV =O complex 2 supported by the sterically demanding 1,4,7-tri-tert-butyl-1,4,7-triazacyclononane ligand. Complex 2 is a very potent oxidant in hydrogen atom abstraction (HAA) reactions with large non-classical deuterium kinetic isotope effects, suggesting hydrogen tunneling contributions. For sterically encumbered substrates, direct HAA is impeded and an alternative oxidative asynchronous proton-coupled electron transfer mechanism prevails, which is unique within the nonheme oxoiron community. The high reactivity and the similar spectroscopic parameters make 2 one of the best electronic and functional models for a biological oxoiron(IV) intermediate of taurine dioxygenase (TauD-J).
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Affiliation(s)
- Katrin Warm
- Institut für ChemieHumboldt-Universität zu BerlinBrook-Taylor-Str. 212489BerlinGermany
| | - Alice Paskin
- Institut für ChemieHumboldt-Universität zu BerlinBrook-Taylor-Str. 212489BerlinGermany
| | - Uwe Kuhlmann
- Institut für ChemieTechnische Universität Berlin, Fakultät IIStraße des 17. Juni 13510623BerlinGermany
| | - Eckhard Bill
- Max-Planck-Institut für Chemische Energiekonversion (CEC)Stiftstraße 34–3645470MülheimGermany
| | - Marcel Swart
- Institut de Química Computacional i CatàlisiUniversitat de GironaCampus Montilivi (Ciències)Maria Aurèlia Capmany i Farnés, 6917003GironaSpain
- ICREAPg. Lluís Companys 2308010BarcelonaSpain
| | - Michael Haumann
- Institut für PhysikFreie Universität BerlinArnimallee 1414195BerlinGermany
| | - Holger Dau
- Institut für PhysikFreie Universität BerlinArnimallee 1414195BerlinGermany
| | - Peter Hildebrandt
- Institut für ChemieTechnische Universität Berlin, Fakultät IIStraße des 17. Juni 13510623BerlinGermany
| | - Kallol Ray
- Institut für ChemieHumboldt-Universität zu BerlinBrook-Taylor-Str. 212489BerlinGermany
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5
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Warm K, Paskin A, Kuhlmann U, Bill E, Swart M, Haumann M, Dau H, Hildebrandt P, Ray K. A Pseudotetrahedral Terminal Oxoiron(IV) Complex: Mechanistic Promiscuity in C−H Bond Oxidation Reactions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015896] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Katrin Warm
- Institut für Chemie Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 12489 Berlin Germany
| | - Alice Paskin
- Institut für Chemie Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 12489 Berlin Germany
| | - Uwe Kuhlmann
- Institut für Chemie Technische Universität Berlin, Fakultät II Straße des 17. Juni 135 10623 Berlin Germany
| | - Eckhard Bill
- Max-Planck-Institut für Chemische Energiekonversion (CEC) Stiftstraße 34–36 45470 Mülheim Germany
| | - Marcel Swart
- Institut de Química Computacional i Catàlisi Universitat de Girona Campus Montilivi (Ciències) Maria Aurèlia Capmany i Farnés, 69 17003 Girona Spain
- ICREA Pg. Lluís Companys 23 08010 Barcelona Spain
| | - Michael Haumann
- Institut für Physik Freie Universität Berlin Arnimallee 14 14195 Berlin Germany
| | - Holger Dau
- Institut für Physik Freie Universität Berlin Arnimallee 14 14195 Berlin Germany
| | - Peter Hildebrandt
- Institut für Chemie Technische Universität Berlin, Fakultät II Straße des 17. Juni 135 10623 Berlin Germany
| | - Kallol Ray
- Institut für Chemie Humboldt-Universität zu Berlin Brook-Taylor-Str. 2 12489 Berlin Germany
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6
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Kim S, Jeong HY, Kim S, Kim H, Lee S, Cho J, Kim C, Lee D. Proton Switch in the Secondary Coordination Sphere to Control Catalytic Events at the Metal Center: Biomimetic Oxo Transfer Chemistry of Nickel Amidate Complex. Chemistry 2021; 27:4700-4708. [PMID: 33427344 DOI: 10.1002/chem.202005183] [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: 12/02/2020] [Indexed: 11/11/2022]
Abstract
High-valent metal-oxo species are key intermediates for the oxygen atom transfer step in the catalytic cycles of many metalloenzymes. While the redox-active metal centers of such enzymes are typically supported by anionic amino acid side chains or porphyrin rings, peptide backbones might function as strong electron-donating ligands to stabilize high oxidation states. To test the feasibility of this idea in synthetic settings, we have prepared a nickel(II) complex of new amido multidentate ligand. The mononuclear nickel complex of this N5 ligand catalyzes epoxidation reactions of a wide range of olefins by using mCPBA as a terminal oxidant. Notably, a remarkably high catalytic efficiency and selectivity were observed for terminal olefin substrates. We found that protonation of the secondary coordination sphere serves as the entry point to the catalytic cycle, in which high-valent nickel species is subsequently formed to carry out oxo-transfer reactions. A conceptually parallel process might allow metalloenzymes to control the catalytic cycle in the primary coordination sphere by using proton switch in the secondary coordination sphere.
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Affiliation(s)
- Soohyung Kim
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Ha Young Jeong
- Department of Fine Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Korea
| | - Seonghan Kim
- Department of Emerging Materials Science, DGIST, Daegu, 42988, Korea
| | - Hongsik Kim
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Sojeong Lee
- Department of Fine Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Korea
| | - Jaeheung Cho
- Department of Emerging Materials Science, DGIST, Daegu, 42988, Korea.,Department of Chemistry, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Korea
| | - Cheal Kim
- Department of Fine Chemistry, Seoul National University of Science and Technology, 232 Gongneung-ro, Nowon-gu, Seoul, 01811, Korea
| | - Dongwhan Lee
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
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7
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Rosen AS, Notestein JM, Snurr RQ. High‐Valent Metal–Oxo Species at the Nodes of Metal–Triazolate Frameworks: The Effects of Ligand Exchange and Two‐State Reactivity for C−H Bond Activation. Angew Chem Int Ed Engl 2020; 59:19494-19502. [DOI: 10.1002/anie.202004458] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Indexed: 01/18/2023]
Affiliation(s)
- Andrew S. Rosen
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
| | - Randall Q. Snurr
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
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8
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Rosen AS, Notestein JM, Snurr RQ. High‐Valent Metal–Oxo Species at the Nodes of Metal–Triazolate Frameworks: The Effects of Ligand Exchange and Two‐State Reactivity for C−H Bond Activation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202004458] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Andrew S. Rosen
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
| | - Justin M. Notestein
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
| | - Randall Q. Snurr
- Department of Chemical and Biological Engineering Northwestern University 2145 Sheridan Rd. Evanston IL 60208 USA
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9
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Hüppe HM, Keisers K, Fink F, Mürtz SD, Hoffmann A, Iffland L, Apfel U, Herres‐Pawlis S. Catalytically Active Iron(IV)oxo Species Based on a Bis(pyridinyl)phenanthrolinylmethane. Isr J Chem 2020. [DOI: 10.1002/ijch.202000009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Henrika M. Hüppe
- Institute of Inorganic Chemistry RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
| | - Kristina Keisers
- Institute of Inorganic Chemistry RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
| | - Fabian Fink
- Institute of Inorganic Chemistry RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
| | - Sonja D. Mürtz
- Institute of Inorganic Chemistry RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
| | - Alexander Hoffmann
- Institute of Inorganic Chemistry RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
| | - Linda Iffland
- Inorganic Chemistry I Ruhr-Universität Bochum Universitätsstraße 150 44801 Bochum Germany
| | - Ulf‐Peter Apfel
- Inorganic Chemistry I Ruhr-Universität Bochum Universitätsstraße 150 44801 Bochum Germany
- Fraunhofer UMSICHT Osterfelder Straße 3 46047 Oberhausen Germany
| | - Sonja Herres‐Pawlis
- Institute of Inorganic Chemistry RWTH Aachen University Landoltweg 1a 52074 Aachen Germany
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10
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Park H, Lee D. Ligand Taxonomy for Bioinorganic Modeling of Dioxygen-Activating Non-Heme Iron Enzymes. Chemistry 2020; 26:5916-5926. [PMID: 31909506 DOI: 10.1002/chem.201904975] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 01/04/2020] [Indexed: 12/15/2022]
Abstract
Novel functions emerge from novel structures. To develop efficient catalytic systems for challenging chemical transformations, chemists often seek inspirations from enzymatic catalysis. A large number of iron complexes supported by nitrogen-rich multidentate ligands have thus been developed to mimic oxo-transfer reactivity of dioxygen-activating metalloenzymes. Such efforts have significantly advanced our understanding of the reaction mechanisms by trapping key intermediates and elucidating their geometric and electronic properties. Critical to the success of this biomimetic approach is the design and synthesis of elaborate ligand systems to balance the thermodynamic stability, structural adaptability, and chemical reactivity. In this Concept article, representative design strategies for biomimetic atom-transfer chemistry are discussed from the perspectives of "ligand builders". Emphasis is placed on how the primary coordination sphere is constructed, and how it can be elaborated further by rational design for desired functions.
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Affiliation(s)
- Hyunchang Park
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
| | - Dongwhan Lee
- Department of Chemistry, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul, 08826, Korea
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11
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Kal S, Xu S, Que L. Bio-inspired Nonheme Iron Oxidation Catalysis: Involvement of Oxoiron(V) Oxidants in Cleaving Strong C-H Bonds. Angew Chem Int Ed Engl 2020; 59:7332-7349. [PMID: 31373120 DOI: 10.1002/anie.201906551] [Citation(s) in RCA: 80] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Indexed: 11/11/2022]
Abstract
Nonheme iron enzymes generate powerful and versatile oxidants that perform a wide range of oxidation reactions, including the functionalization of inert C-H bonds, which is a major challenge for chemists. The oxidative abilities of these enzymes have inspired bioinorganic chemists to design synthetic models to mimic their ability to perform some of the most difficult oxidation reactions and study the mechanisms of such transformations. Iron-oxygen intermediates like iron(III)-hydroperoxo and high-valent iron-oxo species have been trapped and identified in investigations of these bio-inspired catalytic systems, with the latter proposed to be the active oxidant for most of these systems. In this Review, we highlight the recent spectroscopic and mechanistic advances that have shed light on the various pathways that can be accessed by bio-inspired nonheme iron systems to form the high-valent iron-oxo intermediates.
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Affiliation(s)
- Subhasree Kal
- Department of Chemistry, University of Minnesota, Twin Cities, 207 Pleasant Street SE, Minneapolis, MN, 55455, USA
| | - Shuangning Xu
- Department of Chemistry, University of Minnesota, Twin Cities, 207 Pleasant Street SE, Minneapolis, MN, 55455, USA
| | - Lawrence Que
- Department of Chemistry, University of Minnesota, Twin Cities, 207 Pleasant Street SE, Minneapolis, MN, 55455, USA
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12
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Kal S, Xu S, Que L. Bioinspirierte Nicht‐Häm‐Eisenoxidationskatalyse: Beteiligung von Oxoeisen(V)‐Oxidantien an der Spaltung starker C‐H‐Bindungen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201906551] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Subhasree Kal
- Department of Chemistry University of Minnesota, Twin Cities 207 Pleasant Street SE Minneapolis MN 55455 USA
| | - Shuangning Xu
- Department of Chemistry University of Minnesota, Twin Cities 207 Pleasant Street SE Minneapolis MN 55455 USA
| | - Lawrence Que
- Department of Chemistry University of Minnesota, Twin Cities 207 Pleasant Street SE Minneapolis MN 55455 USA
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13
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Doiuchi D, Nakamura T, Hayashi H, Uchida T. Non‐Heme‐Type Ruthenium Catalyzed Chemo‐ and Site‐Selective C−H Oxidation. Chem Asian J 2020; 15:762-765. [DOI: 10.1002/asia.202000134] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 02/17/2020] [Indexed: 01/17/2023]
Affiliation(s)
- Daiki Doiuchi
- Department of Chemistry Graduate School of ScienceKyushu University 744, Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Tatsuya Nakamura
- Department of Chemistry Graduate School of ScienceKyushu University 744, Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Hiroki Hayashi
- Faculty of Arts and ScienceKyushu University 744, Motooka, Nishi-ku Fukuoka 819-0395 Japan
| | - Tatsuya Uchida
- Faculty of Arts and ScienceKyushu University 744, Motooka, Nishi-ku Fukuoka 819-0395 Japan
- International Institute for Carbon-Neutral Energy Research (WPI−I2CNER)Kyushu University 744, Motooka, Nishi-ku Fukuoka 819-0395 Japan
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14
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Karmalkar DG, Sankaralingam M, Seo MS, Ezhov R, Lee YM, Pushkar YN, Kim WS, Fukuzumi S, Nam W. A High-Valent Manganese(IV)-Oxo-Cerium(IV) Complex and Its Enhanced Oxidizing Reactivity. Angew Chem Int Ed Engl 2019; 58:16124-16129. [PMID: 31489757 DOI: 10.1002/anie.201910032] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Indexed: 12/20/2022]
Abstract
A mononuclear nonheme manganese(IV)-oxo complex binding the Ce4+ ion, [(dpaq)MnIV (O)]+ -Ce4+ (1-Ce4+ ), was synthesized by reacting [(dpaq)MnIII (OH)]+ (2) with cerium ammonium nitrate (CAN). 1-Ce4+ was characterized using various spectroscopic techniques, such as UV/Vis, EPR, CSI-MS, resonance Raman, XANES, and EXAFS, showing an Mn-O bond distance of 1.69 Å with a resonance Raman band at 675 cm-1 . Electron-transfer and oxygen atom transfer reactivities of 1-Ce4+ were found to be greater than those of MnIV (O) intermediates binding redox-inactive metal ions (1-Mn+ ). This study reports the first example of a redox-active Ce4+ ion-bound MnIV -oxo complex and its spectroscopic characterization and chemical properties.
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Affiliation(s)
- Deepika G Karmalkar
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | | | - Mi Sook Seo
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Roman Ezhov
- Department of Physics and Astronomy, Purdue University, 525 Northwestern Ave., West Lafayette, IN, 47907, USA
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Yulia N Pushkar
- Department of Physics and Astronomy, Purdue University, 525 Northwestern Ave., West Lafayette, IN, 47907, USA
| | - Won-Suk Kim
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea.,Faculty of Science and Engineering, Meijo University, Nagoya, Aichi, 468-0073, Japan
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea.,School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
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15
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Karmalkar DG, Sankaralingam M, Seo MS, Ezhov R, Lee Y, Pushkar YN, Kim W, Fukuzumi S, Nam W. A High‐Valent Manganese(IV)–Oxo–Cerium(IV) Complex and Its Enhanced Oxidizing Reactivity. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201910032] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Deepika G. Karmalkar
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | | | - Mi Sook Seo
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Roman Ezhov
- Department of Physics and Astronomy Purdue University 525 Northwestern Ave. West Lafayette IN 47907 USA
| | - Yong‐Min Lee
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Yulia N. Pushkar
- Department of Physics and Astronomy Purdue University 525 Northwestern Ave. West Lafayette IN 47907 USA
| | - Won‐Suk Kim
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- Faculty of Science and Engineering Meijo University Nagoya Aichi 468-0073 Japan
| | - Wonwoo Nam
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- School of Chemistry and Chemical Engineering Shaanxi Normal University Xi'an 710119 China
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16
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Sénéchal-David K, Buron C, Ségaud N, Rebilly JN, Dos Santos A, Farjon J, Guillot R, Herrero C, Inceoglu T, Banse F. Non-Heme Fe II Diastereomeric Complexes Bearing a Hexadentate Ligand: Unexpected Consequences for the Spin State and Catalytic Oxidation Properties. Chemistry 2019; 25:12405-12411. [PMID: 31276256 DOI: 10.1002/chem.201902423] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 07/03/2019] [Indexed: 12/12/2022]
Abstract
The reactivity and selectivity of non-heme FeII complexes as oxidation catalysts can be substantially modified by alteration of the ligand backbone or introduction of various substituents. In comparison with the hexadentate ligand N,N,N',N'-tetrakis(pyridin-2-ylmethyl)ethane-1,2-diamine (TPEN), N,N'-bis[1-(pyridin-2-yl)ethyl]-N,N'-bis(pyridin-2-ylmethyl)ethane-1,2-diamine (2Me L6 2 ) has a methyl group on two of the four picolyl positions. FeII complexation by 2Me L6 2 yields two diastereomeric complexes with very similar structures, which only differ in the axial/equatorial positions occupied by the methylated pyridyl groups. In solution, these two isomers exhibit different magnetic behaviors. Whereas one isomer exhibits temperature-dependent spin-state conversion between the S=0 and S=2 states, the other is more reluctant towards this spin-state equilibrium and is essentially diamagnetic at room temperature. Their catalytic properties for the oxidation of anisole by H2 O2 are very different and correlate with their magnetic properties, which reflect their lability/inertness. These different properties most likely depend on the different steric constraints of the methylated pyridyl groups in the two complexes.
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Affiliation(s)
- Katell Sénéchal-David
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Charlotte Buron
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Nathalie Ségaud
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France.,Departement für Chemie und Biochemie, Universität Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Jean-Noël Rebilly
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Amandine Dos Santos
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Jonathan Farjon
- CEISAM, Université de Nantes, CNRS, 2, chemin de la Houssinière, 44322, Nantes CEDEX 3, France
| | - Régis Guillot
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Christian Herrero
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Tanya Inceoglu
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
| | - Frédéric Banse
- Institut de Chimie Moléculaire et des Matériaux d'Orsay, Univ. Paris-Sud, Univ. Paris-Saclay, CNRS, 91405, Orsay cedex, France
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17
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Banerjee S, Rasheed W, Fan R, Draksharapu A, Oloo WN, Guo Y, Que L. NMR Reveals That a Highly Reactive Nonheme Fe IV =O Complex Retains Its Six-Coordinate Geometry and S=1 State in Solution. Chemistry 2019; 25:9608-9613. [PMID: 31059593 DOI: 10.1002/chem.201902048] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Indexed: 01/08/2023]
Abstract
The [FeIV (O)(Me3 NTB)]2+ (Me3 NTB=tris[(1-methyl-benzimidazol-2-yl)methyl]amine) complex 1 has been shown by Mössbauer spectroscopy to have an S=1 ground state at 4 K, but is proposed to become an S=2 trigonal-bipyramidal species at higher temperatures based on a DFT model to rationalize its very high C-H bond-cleavage reactivity. In this work, 1 H NMR spectroscopy was used to determine that 1 does not have C3 -symmetry in solution and is not an S=2 species. Our results show that 1 is unique among nonheme FeIV =O complexes in retaining its S=1 spin state and high reactivity at 193 K, providing evidence that S=1 FeIV =O complexes can be as reactive as their S=2 counterparts. This result emphasizes the need to identify factors besides the ground spin state of the FeIV =O center to rationalize nonheme oxoiron(IV) reactivity.
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Affiliation(s)
- Saikat Banerjee
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Waqas Rasheed
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Ruixi Fan
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Apparao Draksharapu
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA.,Current address: Southern Laboratories, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, 208016, India
| | - Williamson N Oloo
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Yisong Guo
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Lawrence Que
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
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18
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Pattanayak S, Cantú Reinhard FG, Rana A, Gupta SS, de Visser SP. The Equatorial Ligand Effect on the Properties and Reactivity of Iron(V) Oxo Intermediates. Chemistry 2019; 25:8092-8104. [DOI: 10.1002/chem.201900708] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Indexed: 12/23/2022]
Affiliation(s)
- Santanu Pattanayak
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246 India
| | - Fabián G. Cantú Reinhard
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical ScienceThe University of Manchester 131 Princess Street Manchester M1 7DN UK
| | - Atanu Rana
- Indian Association for the Cultivation of Sciences 2A Raja S. C. Mullick Road Kolkata 700032 India
| | - Sayam Sen Gupta
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Kolkata, Mohanpur 741246 India
| | - Sam P. de Visser
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical ScienceThe University of Manchester 131 Princess Street Manchester M1 7DN UK
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19
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Wang K, Zhou J, Jiang Y, Zhang M, Wang C, Xue D, Tang W, Sun H, Xiao J, Li C. Selective Manganese‐Catalyzed Oxidation of Hydrosilanes to Silanols under Neutral Reaction Conditions. Angew Chem Int Ed Engl 2019; 58:6380-6384. [DOI: 10.1002/anie.201900342] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Kaikai Wang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Jimei Zhou
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Yuting Jiang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Miaomiao Zhang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Huamin Sun
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
- Department of ChemistryUniversity of Liverpool Liverpool L69 7ZD UK
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
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20
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Zwettler N, Mösch-Zanetti NC. Interaction of Metal Oxido Compounds with B(C 6 F 5 ) 3. Chemistry 2019; 25:6064-6076. [PMID: 30707470 DOI: 10.1002/chem.201805148] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Indexed: 11/07/2022]
Abstract
Lewis acid-base pair chemistry has been placed on a new level with the discovery that adduct formation between an electron donor (Lewis base) and acceptor (Lewis acid) can be inhibited by the introduction of steric demand, thus preserving the reactivity of both Lewis centers, resulting in highly unusual chemistry. Some of these highly versatile frustrated Lewis pairs (FLP) are capable of splitting a variety of small molecules, such as dihydrogen, in a heterolytic and even catalytic manner. This is in sharp contrast to classical reactions where the inert substrate must be activated by a metal-based catalyst. Very recently, research has emerged combining the two concepts, namely the formation of FLPs in which a metal compound represents the Lewis base, allowing for novel chemistry by using the heterolytic splitting power of both together with the redox reactivity of the metal. Such reactivity is not restricted to the metal center itself being a Lewis acid or base, also ancillary ligands can be used as part of the Lewis pair, still with the benefit of the redox-active metal center nearby. This Minireview is designed to highlight the novel reactions arising from the combination of metal oxido transition-metal or rare-earth-metal compounds with the Lewis acid B(C6 F5 )3 . It covers a wide area of chemistry including small molecule activation, hydrogenation and hydrosilylation catalysis, and olefin metathesis, substantiating the broad influence of the novel concept. Future goals of this young and exciting area are briefly discussed.
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Affiliation(s)
- Niklas Zwettler
- Institute of Chemistry/Inorganic Chemistry, University of Graz, Schubertstrasse 1, 8010, Graz, Austria
| | - Nadia C Mösch-Zanetti
- Institute of Chemistry/Inorganic Chemistry, University of Graz, Schubertstrasse 1, 8010, Graz, Austria
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21
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Wang K, Zhou J, Jiang Y, Zhang M, Wang C, Xue D, Tang W, Sun H, Xiao J, Li C. Selective Manganese‐Catalyzed Oxidation of Hydrosilanes to Silanols under Neutral Reaction Conditions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900342] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Kaikai Wang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Jimei Zhou
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Yuting Jiang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Miaomiao Zhang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Chao Wang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Dong Xue
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Weijun Tang
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Huamin Sun
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
| | - Jianliang Xiao
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
- Department of ChemistryUniversity of Liverpool Liverpool L69 7ZD UK
| | - Chaoqun Li
- Key Laboratory of Applied Surface and Colloid ChemistryMinistry of Education and School of Chemistry and Chemical EngineeringShaanxi Normal University Xi'an 710119 China
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22
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Mukherjee G, Alili A, Barman P, Kumar D, Sastri CV, de Visser SP. Interplay Between Steric and Electronic Effects: A Joint Spectroscopy and Computational Study of Nonheme Iron(IV)-Oxo Complexes. Chemistry 2019; 25:5086-5098. [PMID: 30720909 DOI: 10.1002/chem.201806430] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Indexed: 01/05/2023]
Abstract
Iron is an essential element in nonheme enzymes that plays a crucial role in many vital oxidative transformations and metabolic reactions in the human body. Many of those reactions are regio- and stereospecific and it is believed that the selectivity is guided by second-coordination sphere effects in the protein. Here, results are shown of a few engineered biomimetic ligand frameworks based on the N4Py (N,N-bis(2-pyridylmethyl)-N-bis(2-pyridyl)methylamine) scaffold and the second-coordination sphere effects are studied. For the first time, selective substitutions in the ligand framework have been shown to tune the catalytic properties of the iron(IV)-oxo complexes by regulating the steric and electronic factors. In particular, a better positioning of the oxidant and substrate in the rate-determining transition state lowers the reaction barriers. Therefore, an optimum balance between steric and electronic factors mediates the ideal positioning of oxidant and substrate in the rate-determining transition state that affects the reactivity of high-valent reaction intermediates.
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Affiliation(s)
- Gourab Mukherjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Aligulu Alili
- The Manchester Institute of Biotechnology and School of Chemical, Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Prasenjit Barman
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Devesh Kumar
- Department of Applied Physics, Babasaheb Bhimrao Ambedkar University, School for Physical Sciences, Vidya Vihar, Rae Bareilly Road, Lucknow, 226025, UP, India
| | - Chivukula V Sastri
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Sam P de Visser
- The Manchester Institute of Biotechnology and School of Chemical, Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
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23
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Engelmann X, Malik DD, Corona T, Warm K, Farquhar ER, Swart M, Nam W, Ray K. Trapping of a Highly Reactive Oxoiron(IV) Complex in the Catalytic Epoxidation of Olefins by Hydrogen Peroxide. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812758] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Xenia Engelmann
- Department of ChemistryHumboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Deesha D. Malik
- Department of Chemistry and Nano ScienceEwha Womans University Seoul 120-750 Korea
| | - Teresa Corona
- Department of ChemistryHumboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Katrin Warm
- Department of ChemistryHumboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
| | - Erik R. Farquhar
- Case Center for Synchrotron Biosciences, NSLS-IIBrookhaven National Laboratory Upton NY 11973 USA
| | - Marcel Swart
- ICREA Pg. Lluis Companys 23 08010 Barcelona Spain
- IQCCUniversitat de Girona Campus Montilivi 17003 Girona Spain
| | - Wonwoo Nam
- Department of Chemistry and Nano ScienceEwha Womans University Seoul 120-750 Korea
| | - Kallol Ray
- Department of ChemistryHumboldt-Universität zu Berlin Brook-Taylor-Straße 2 12489 Berlin Germany
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24
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Engelmann X, Malik DD, Corona T, Warm K, Farquhar ER, Swart M, Nam W, Ray K. Trapping of a Highly Reactive Oxoiron(IV) Complex in the Catalytic Epoxidation of Olefins by Hydrogen Peroxide. Angew Chem Int Ed Engl 2019; 58:4012-4016. [PMID: 30663826 DOI: 10.1002/anie.201812758] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 01/18/2019] [Indexed: 11/08/2022]
Abstract
The generation of a nonheme oxoiron(IV) intermediate, [(cyclam)FeIV (O)(CH3 CN)]2+ (2; cyclam=1,4,8,11-tetraazacyclotetradecane), is reported in the reactions of [(cyclam)FeII ]2+ with aqueous hydrogen peroxide (H2 O2 ) or a soluble iodosylbenzene (sPhIO) as a rare example of an oxoiron(IV) species that shows a preference for epoxidation over allylic oxidation in the oxidation of cyclohexene. Complex 2 is kinetically and catalytically competent to perform the epoxidation of olefins with high stereo- and regioselectivity. More importantly, 2 is likely to be the reactive intermediate involved in the catalytic epoxidation of olefins by [(cyclam)FeII ]2+ and H2 O2 . In spite of the predominance of the oxoiron(IV) cores in biology, the present study is a rare example of high-yield isolation and spectroscopic characterization of a catalytically relevant oxoiron(IV) intermediate in chemical oxidation reactions.
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Affiliation(s)
- Xenia Engelmann
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
| | - Deesha D Malik
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea
| | - Teresa Corona
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
| | - Katrin Warm
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
| | - Erik R Farquhar
- Case Center for Synchrotron Biosciences, NSLS-II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Marcel Swart
- ICREA, Pg. Lluis Companys 23, 08010, Barcelona, Spain.,IQCC, Universitat de Girona, Campus Montilivi, 17003, Girona, Spain
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 120-750, Korea
| | - Kallol Ray
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Straße 2, 12489, Berlin, Germany
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25
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Panda C, Chandra A, Corona T, Andris E, Pandey B, Garai S, Lindenmaier N, Künstner S, Farquhar ER, Roithová J, Rajaraman G, Driess M, Ray K. Nucleophilic versus Electrophilic Reactivity of Bioinspired Superoxido Nickel(II) Complexes. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Chakadola Panda
- Department of Chemistry, Metalorganics and Inorganic Materials; Technische Universität Berlin; Strasse des 17. Juni 135, Sekr. C2 10623 Berlin Germany
| | - Anirban Chandra
- Department of Chemistry; Humboldt-Universität zu Berlin; Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Teresa Corona
- Department of Chemistry; Humboldt-Universität zu Berlin; Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Erik Andris
- Department of Organic Chemistry; Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Bhawana Pandey
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai Maharashtra 400 076 India
| | - Somenath Garai
- Department of Chemistry, Metalorganics and Inorganic Materials; Technische Universität Berlin; Strasse des 17. Juni 135, Sekr. C2 10623 Berlin Germany
| | - Nils Lindenmaier
- Department of Chemistry, Metalorganics and Inorganic Materials; Technische Universität Berlin; Strasse des 17. Juni 135, Sekr. C2 10623 Berlin Germany
| | - Silvio Künstner
- Berlin Joint EPR lab, Institute Nanospectroscopy; Helmholtz-, Zentrum Berlin für Materialien und Energie; Berlin Germany
| | - Erik R. Farquhar
- CWRU Center for Synchrotron Biosciences, NSLS-II; Brookhaven National Laboratory; Upton NY 11973 USA
| | - Jana Roithová
- Department of Organic Chemistry; Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
- Institute for Molecules and Materials, Radboud University; Heyendaalseweg 135 6525 AJ Nijmegen The Netherlands
| | - Gopalan Rajaraman
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai Maharashtra 400 076 India
| | - Matthias Driess
- Department of Chemistry, Metalorganics and Inorganic Materials; Technische Universität Berlin; Strasse des 17. Juni 135, Sekr. C2 10623 Berlin Germany
| | - Kallol Ray
- Department of Chemistry; Humboldt-Universität zu Berlin; Brook-Taylor-Strasse 2 12489 Berlin Germany
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26
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Nucleophilic versus Electrophilic Reactivity of Bioinspired Superoxido Nickel(II) Complexes. Angew Chem Int Ed Engl 2018; 57:14883-14887. [DOI: 10.1002/anie.201808085] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 08/26/2018] [Indexed: 11/07/2022]
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27
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Tseng TH, Chen PPY. A Switch from Mechanistic Competition Mediated by a Combination of Temperature and Concentration Effects in the Oxidation Reaction of [Fe II (N4Py/TPA)](OTf) 2. Chemistry 2018; 24:11568-11572. [PMID: 29889323 DOI: 10.1002/chem.201801028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 06/03/2018] [Indexed: 01/23/2023]
Abstract
The formation of [(N4Py)FeIV =O]2+ species was accomplished by the reaction of [FeII (N4Py)]2+ with 20 equivalents of tBuO2 H (TBHP, 70 % in H2 O). The temperature, [FeII (N4Py)]2+ -concentration and H2 O-concentration in anhydrous TBHP (5.5 m in decane) dependences of its yields and rates were analyzed to indicate that the proton migration from [(N4Py)FeII -HOOtBu]2+ to [(N4Py)FeII -OO⊕ HtBu]2+ is the rate-determining step followed by rapid heterolytic O-O bond cleavage of FeII -OO⊕ HtBu to FeIV =O complex. The formation of [(TPA)FeIV =O]2+ is thus revealed to be greatly enhanced by the similar oxidation of [FeII (TPA)]2+ (40 mm) with 10 equivalents of tBuO2 H at -45 °C. These results demonstrate the heterolytic O-O bond cleavage of FeII -alkylperoxo species to form FeIV =O originating from the direct reaction of iron(II) complexes/TBHP. The observation of concentration and temperature effects leads to the hypothesis that O-O bond homolysis is a kinetic control pathway and O-O bond heterolysis is a thermodynamic control pathway.
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Affiliation(s)
- Tzu-Hsien Tseng
- Department of Chemistry, National Chung Hsing University, Taichung city, Taiwan) (R. O. C
| | - Peter Ping-Yu Chen
- Department of Chemistry, National Chung Hsing University, Taichung city, Taiwan) (R. O. C
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28
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Rasheed W, Draksharapu A, Banerjee S, Young VG, Fan R, Guo Y, Ozerov M, Nehrkorn J, Krzystek J, Telser J, Que L. Crystallographic Evidence for a Sterically Induced Ferryl Tilt in a Non‐Heme Oxoiron(IV) Complex that Makes it a Better Oxidant. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804836] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Waqas Rasheed
- Department of Chemistry and Center for Metals in Biocatalysis University of Minnesota Minneapolis MN 55455 USA
| | - Apparao Draksharapu
- Department of Chemistry and Center for Metals in Biocatalysis University of Minnesota Minneapolis MN 55455 USA
| | - Saikat Banerjee
- Department of Chemistry and Center for Metals in Biocatalysis University of Minnesota Minneapolis MN 55455 USA
| | - Victor G. Young
- Department of Chemistry and Center for Metals in Biocatalysis University of Minnesota Minneapolis MN 55455 USA
| | - Ruixi Fan
- Department of Chemistry Carnegie Mellon University Pittsburgh PA 15213 USA
| | - Yisong Guo
- Department of Chemistry Carnegie Mellon University Pittsburgh PA 15213 USA
| | - M. Ozerov
- National High Magnetic Field Laboratory (NHMFL) Florida State University Tallahassee FL 32310 USA
| | - Joscha Nehrkorn
- National High Magnetic Field Laboratory (NHMFL) Florida State University Tallahassee FL 32310 USA
| | - J. Krzystek
- National High Magnetic Field Laboratory (NHMFL) Florida State University Tallahassee FL 32310 USA
| | - Joshua Telser
- Department of Biological Chemical and Physical Sciences Roosevelt University Chicago IL 60605 USA
| | - Lawrence Que
- Department of Chemistry and Center for Metals in Biocatalysis University of Minnesota Minneapolis MN 55455 USA
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29
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Rasheed W, Draksharapu A, Banerjee S, Young VG, Fan R, Guo Y, Ozerov M, Nehrkorn J, Krzystek J, Telser J, Que L. Crystallographic Evidence for a Sterically Induced Ferryl Tilt in a Non-Heme Oxoiron(IV) Complex that Makes it a Better Oxidant. Angew Chem Int Ed Engl 2018; 57:9387-9391. [PMID: 29882390 DOI: 10.1002/anie.201804836] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Indexed: 11/06/2022]
Abstract
Oxoiron(IV) units are often implicated as intermediates in the catalytic cycles of non-heme iron oxygenases and oxidases. The most reactive synthetic analogues of these intermediates are supported by tetradentate tripodal ligands with N-methylbenzimidazole or quinoline donors, but their instability precludes structural characterization. Herein we report crystal structures of two [FeIV (O)(L)]2+ complexes supported by pentadentate ligands incorporating these heterocycles, which show longer average Fe-N distances than the complex with only pyridine donors. These longer distances correlate linearly with log k2 ' values for O- and H-atom transfer rates, suggesting that weakening the ligand field increases the electrophilicity of the Fe=O center. The sterically bulkier quinoline donors are also found to tilt the Fe=O unit away from a linear N-Fe=O arrangement by 10°.
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Affiliation(s)
- Waqas Rasheed
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Apparao Draksharapu
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Saikat Banerjee
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Victor G Young
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Ruixi Fan
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - Yisong Guo
- Department of Chemistry, Carnegie Mellon University, Pittsburgh, PA, 15213, USA
| | - M Ozerov
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL, 32310, USA
| | - Joscha Nehrkorn
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL, 32310, USA
| | - J Krzystek
- National High Magnetic Field Laboratory (NHMFL), Florida State University, Tallahassee, FL, 32310, USA
| | - Joshua Telser
- Department of Biological, Chemical and Physical Sciences, Roosevelt University, Chicago, IL, 60605, USA
| | - Lawrence Que
- Department of Chemistry and Center for Metals in Biocatalysis, University of Minnesota, Minneapolis, MN, 55455, USA
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30
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Park H, Ahn HM, Jeong HY, Kim C, Lee D. Non-Heme Iron Catalysts for Olefin Epoxidation: Conformationally Rigid Aryl-Aryl Junction To Support Amine/Imine Multidentate Ligands. Chemistry 2018; 24:8632-8638. [DOI: 10.1002/chem.201800447] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Indexed: 12/31/2022]
Affiliation(s)
- Hyunchang Park
- Department of Chemistry; Seoul National University; 1 Gwanak-ro Gwanak-gu Seoul 08826 Korea
| | - Hye Mi Ahn
- Department of Fine Chemistry; Seoul National University of Science and Technology; 232 Gongneung-ro Nowon-gu Seoul 01811 Korea
| | - Ha Young Jeong
- Department of Fine Chemistry; Seoul National University of Science and Technology; 232 Gongneung-ro Nowon-gu Seoul 01811 Korea
| | - Cheal Kim
- Department of Fine Chemistry; Seoul National University of Science and Technology; 232 Gongneung-ro Nowon-gu Seoul 01811 Korea
| | - Dongwhan Lee
- Department of Chemistry; Seoul National University; 1 Gwanak-ro Gwanak-gu Seoul 08826 Korea
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31
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Schaub S, Miska A, Becker J, Zahn S, Mollenhauer D, Sakshath S, Schünemann V, Schindler S. Synthesis of an Iron(IV) Aqua-Oxido Complex Using Ozone as an Oxidant. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800475] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Stefan Schaub
- Institut für Anorganische und Analytische Chemie; Justus-Liebig-Universität Gießen; Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Andreas Miska
- Institut für Anorganische und Analytische Chemie; Justus-Liebig-Universität Gießen; Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Jonathan Becker
- Institut für Anorganische und Analytische Chemie; Justus-Liebig-Universität Gießen; Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Stefan Zahn
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie; Universität Leipzig; Linnéstraße 2 04103 Leipzig Germany
| | - Doreen Mollenhauer
- Institut für Physikalische Chemie; Justus-Liebig-Universität Gießen; Heinrich-Buff-Ring 17 35392 Gießen Germany
| | - Sadashivaiah Sakshath
- Fachbereich Physik; Technische Universität Kaiserslautern; Schrödinger Straße 46 67663 Kaiserslautern Germany
| | - Volker Schünemann
- Fachbereich Physik; Technische Universität Kaiserslautern; Schrödinger Straße 46 67663 Kaiserslautern Germany
| | - Siegfried Schindler
- Institut für Anorganische und Analytische Chemie; Justus-Liebig-Universität Gießen; Heinrich-Buff-Ring 17 35392 Gießen Germany
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32
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Schaub S, Miska A, Becker J, Zahn S, Mollenhauer D, Sakshath S, Schünemann V, Schindler S. Synthesis of an Iron(IV) Aqua-Oxido Complex Using Ozone as an Oxidant. Angew Chem Int Ed Engl 2018. [PMID: 29520940 DOI: 10.1002/anie.201800475] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The iron(IV) oxido complex [(tmc)Fe=O(OTf)]OTf with the macrocyclic ligand 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclo-tetradecane (tmc) has been synthesized using ozone as an oxidant. By adding water to this compound the complex [(H2 O)(tmc)Fe=O)](OTf)2 could be prepared. This complex is important in regard to a better understanding of the reactivity of FeIV oxido complexes. Mössbauer measurements using the solid compound showed an isomer shift of δ=0.19 mm s-1 and a quadrupole splitting ΔEQ =1.38 mm s-1 , confirming the high-valent FeIV state. DFT calculations were performed and led to an assignment of triplet spin multiplicity. Crystallographic characterization of [(H2 O)(tmc)Fe=O)](OTf)2 as well as of starting materials [(tmc)Fe(CH3 CN)](OTf)2 and [(tmc)Fe(OTf)]OTf together with previous results strongly suggest that [(H2 O)(tmc)Fe=O)](OTf)2 was formed similar to the oxido-hydroxido tautomerism analogous to heme systems.
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Affiliation(s)
- Stefan Schaub
- Institut für Anorganische und Analytische Chemie, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, 35392, Gießen, Germany
| | - Andreas Miska
- Institut für Anorganische und Analytische Chemie, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, 35392, Gießen, Germany
| | - Jonathan Becker
- Institut für Anorganische und Analytische Chemie, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, 35392, Gießen, Germany
| | - Stefan Zahn
- Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, 04103, Leipzig, Germany
| | - Doreen Mollenhauer
- Institut für Physikalische Chemie, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, 35392, Gießen, Germany
| | - Sadashivaiah Sakshath
- Fachbereich Physik, Technische Universität Kaiserslautern, Schrödinger Straße 46, 67663, Kaiserslautern, Germany
| | - Volker Schünemann
- Fachbereich Physik, Technische Universität Kaiserslautern, Schrödinger Straße 46, 67663, Kaiserslautern, Germany
| | - Siegfried Schindler
- Institut für Anorganische und Analytische Chemie, Justus-Liebig-Universität Gießen, Heinrich-Buff-Ring 17, 35392, Gießen, Germany
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33
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Andris E, Navrátil R, Jašík J, Sabenya G, Costas M, Srnec M, Roithová J. Detection of Indistinct Fe−N Stretching Bands in Iron(V) Nitrides by Photodissociation Spectroscopy. Chemistry 2018; 24:5078-5081. [DOI: 10.1002/chem.201705307] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Indexed: 12/23/2022]
Affiliation(s)
- Erik Andris
- Department of Organic Chemistry, Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Rafael Navrátil
- Department of Organic Chemistry, Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Juraj Jašík
- Department of Organic Chemistry, Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Gerard Sabenya
- Departament de Quimica and Institute of Computational Chemistry and Catalysis (IQCC); University of Girona, Campus Montilivi; Girona 17071 Spain
| | - Miquel Costas
- Departament de Quimica and Institute of Computational Chemistry and Catalysis (IQCC); University of Girona, Campus Montilivi; Girona 17071 Spain
| | - Martin Srnec
- J. Heyrovsky Institute of Physical Chemistry of the CAS, v. v. i.; Dolejškova 2155/3 182 23 Prague 8 Czech Republic
| | - Jana Roithová
- Department of Organic Chemistry, Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
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34
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Monte Pérez I, Engelmann X, Lee YM, Yoo M, Kumaran E, Farquhar ER, Bill E, England J, Nam W, Swart M, Ray K. A Highly Reactive Oxoiron(IV) Complex Supported by a Bioinspired N 3 O Macrocyclic Ligand. Angew Chem Int Ed Engl 2017; 56:14384-14388. [PMID: 28945949 PMCID: PMC5679783 DOI: 10.1002/anie.201707872] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Indexed: 12/29/2022]
Abstract
The sluggish oxidants [FeIV (O)(TMC)(CH3 CN)]2+ (TMC=1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane) and [FeIV (O)(TMCN-d12 )(OTf)]+ (TMCN-d12 =1,4,7,11-tetra(methyl-d3 )-1,4,7,11-tetraazacyclotetradecane) are transformed into the highly reactive oxidant [FeIV (O)(TMCO)(OTf)]+ (1; TMCO=4,8,12-trimethyl-1-oxa-4,8,12-triazacyclotetradecane) upon replacement of an NMe donor in the TMC and TMCN ligands by an O atom. A rate enhancement of five to six orders of magnitude in both H atom and O atom transfer reactions was observed upon oxygen incorporation into the macrocyclic ligand. This finding was explained in terms of the higher electrophilicity of the iron center and the higher availability of the more reactive S=2 state in 1. This rationalizes nature's preference for using O-rich ligand environments for the hydroxylation of strong C-H bonds in enzymatic reactions.
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Affiliation(s)
- Inés Monte Pérez
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
| | - Xenia Engelmann
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Mi Yoo
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Elumalai Kumaran
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Erik R Farquhar
- Case Center for Synchrotron Biosciences, NSLS-II, Brookhaven National Laboratory, Upton, NY, 11973, USA
| | - Eckhard Bill
- Max-Planck-Institut für Chemische Energiekonversion, Mülheim an der Ruhr, Germany
| | - Jason England
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, Singapore, 637371, Singapore
| | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Marcel Swart
- ICREA, Pg. Lluís Companys 23, 08010, Barcelona, Spain
- IQCC & Departament de Química, Universitat de Girona, Campus Montilivi, 17003, Girona, Spain
| | - Kallol Ray
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
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35
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Monte Pérez I, Engelmann X, Lee YM, Yoo M, Kumaran E, Farquhar ER, Bill E, England J, Nam W, Swart M, Ray K. A Highly Reactive Oxoiron(IV) Complex Supported by a Bioinspired N3
O Macrocyclic Ligand. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707872] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Inés Monte Pérez
- Department of Chemistry; Humboldt-Universität zu Berlin; Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Xenia Engelmann
- Department of Chemistry; Humboldt-Universität zu Berlin; Brook-Taylor-Strasse 2 12489 Berlin Germany
| | - Yong-Min Lee
- Department of Chemistry and Nano Science; Ewha Womans University; Seoul 03760 Korea
| | - Mi Yoo
- Department of Chemistry and Nano Science; Ewha Womans University; Seoul 03760 Korea
| | - Elumalai Kumaran
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link Singapore 637371 Singapore
| | - Erik R. Farquhar
- Case Center for Synchrotron Biosciences, NSLS-II; Brookhaven National Laboratory; Upton NY 11973 USA
| | - Eckhard Bill
- Max-Planck-Institut für Chemische Energiekonversion; Mülheim an der Ruhr Germany
| | - Jason England
- Division of Chemistry and Biological Chemistry; School of Physical and Mathematical Sciences; Nanyang Technological University; 21 Nanyang Link Singapore 637371 Singapore
| | - Wonwoo Nam
- Department of Chemistry and Nano Science; Ewha Womans University; Seoul 03760 Korea
| | - Marcel Swart
- ICREA; Pg. Lluís Companys 23 08010 Barcelona Spain
- IQCC & Departament de Química; Universitat de Girona; Campus Montilivi 17003 Girona Spain
| | - Kallol Ray
- Department of Chemistry; Humboldt-Universität zu Berlin; Brook-Taylor-Strasse 2 12489 Berlin Germany
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36
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Spin-State-Controlled Photodissociation of Iron(III) Azide to an Iron(V) Nitride Complex. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707420] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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37
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Andris E, Navrátil R, Jašík J, Sabenya G, Costas M, Srnec M, Roithová J. Spin-State-Controlled Photodissociation of Iron(III) Azide to an Iron(V) Nitride Complex. Angew Chem Int Ed Engl 2017; 56:14057-14060. [DOI: 10.1002/anie.201707420] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Indexed: 12/28/2022]
Affiliation(s)
- Erik Andris
- Department of Organic Chemistry; Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Rafael Navrátil
- Department of Organic Chemistry; Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Juraj Jašík
- Department of Organic Chemistry; Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
| | - Gerard Sabenya
- Departament de Quimica and Institute of Computational Chemistry and Catalysis (IQCC); University of Girona; Campus Montilivi Girona 17071 Spain
| | - Miquel Costas
- Departament de Quimica and Institute of Computational Chemistry and Catalysis (IQCC); University of Girona; Campus Montilivi Girona 17071 Spain
| | - Martin Srnec
- J. Heyrovsky Institute of Physical Chemistry of the CAS, v. v. i.; Dolejškova 2155/3 18223 Prague 8 Czech Republic
| | - Jana Roithová
- Department of Organic Chemistry; Faculty of Science; Charles University; Hlavova 2030/8 128 43 Prague 2 Czech Republic
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38
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Benzing K, Comba P, Martin B, Pokrandt B, Keppler F. Nonheme Iron‐Oxo‐Catalyzed Methane Formation from Methyl Thioethers: Scope, Mechanism, and Relevance for Natural Systems. Chemistry 2017; 23:10465-10472. [DOI: 10.1002/chem.201701986] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Kathrin Benzing
- Institute of Inorganic ChemistryHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Peter Comba
- Institute of Inorganic Chemistry and Interdisciplinary Center for Scientific Computing (IWR)Heidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Bodo Martin
- Institute of Inorganic ChemistryHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Bianca Pokrandt
- Institute of Inorganic ChemistryHeidelberg University Im Neuenheimer Feld 270 69120 Heidelberg Germany
| | - Frank Keppler
- Institute of Earth Sciences and Heidelberg Center for the Environment (HCE)Heidelberg University Im Neuenheimer Feld 236 69120 Heidelberg Germany
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39
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Brazzolotto D, Cantú Reinhard FG, Smith-Jones J, Retegan M, Amidani L, Faponle AS, Ray K, Philouze C, de Visser SP, Gennari M, Duboc C. A High-Valent Non-Heme μ-Oxo Manganese(IV) Dimer Generated from a Thiolate-Bound Manganese(II) Complex and Dioxygen. Angew Chem Int Ed Engl 2017; 56:8211-8215. [PMID: 28544340 PMCID: PMC5531755 DOI: 10.1002/anie.201703215] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 05/04/2017] [Indexed: 11/12/2022]
Abstract
This study deals with the unprecedented reactivity of dinuclear non-heme MnII -thiolate complexes with O2 , which dependent on the protonation state of the initial MnII dimer selectively generates either a di-μ-oxo or μ-oxo-μ-hydroxo MnIV complex. Both dimers have been characterized by different techniques including single-crystal X-ray diffraction and mass spectrometry. Oxygenation reactions carried out with labeled 18 O2 unambiguously show that the oxygen atoms present in the MnIV dimers originate from O2 . Based on experimental observations and DFT calculations, evidence is provided that these MnIV species comproportionate with a MnII precursor to yield μ-oxo and/or μ-hydroxo MnIII dimers. Our work highlights the delicate balance of reaction conditions to control the synthesis of non-heme high-valent μ-oxo and μ-hydroxo Mn species from MnII precursors and O2 .
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Affiliation(s)
- Deborah Brazzolotto
- Univ. Grenoble Alpes, CNRS, UMR 5250, DCM, 38000, Grenoble, France
- Univ. Grenoble Alpes, CNRS, UMR 5249, LCBM, 38000, Grenoble, France
| | - Fabián G Cantú Reinhard
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | | | - Marius Retegan
- European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, 38000, Grenoble, France
| | - Lucia Amidani
- European Synchrotron Radiation Facility (ESRF), 71 Avenue des Martyrs, 38000, Grenoble, France
| | - Abayomi S Faponle
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Kallol Ray
- Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, 12489, Berlin, Germany
| | | | - Sam P de Visser
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science, The University of Manchester, 131 Princess Street, Manchester, M1 7DN, UK
| | - Marcello Gennari
- Univ. Grenoble Alpes, CNRS, UMR 5250, DCM, 38000, Grenoble, France
| | - Carole Duboc
- Univ. Grenoble Alpes, CNRS, UMR 5250, DCM, 38000, Grenoble, France
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40
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Meury M, Knop M, Seebeck FP. Structural Basis for Copper-Oxygen Mediated C−H Bond Activation by the Formylglycine-Generating Enzyme. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702901] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Marcel Meury
- Department for Chemistry; University of Basel; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Matthias Knop
- Department for Chemistry; University of Basel; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Florian P. Seebeck
- Department for Chemistry; University of Basel; St. Johanns-Ring 19 4056 Basel Switzerland
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41
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Brazzolotto D, Cantú Reinhard FG, Smith‐Jones J, Retegan M, Amidani L, Faponle AS, Ray K, Philouze C, de Visser SP, Gennari M, Duboc C. A High‐Valent Non‐Heme μ‐Oxo Manganese(IV) Dimer Generated from a Thiolate‐Bound Manganese(II) Complex and Dioxygen. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201703215] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deborah Brazzolotto
- Univ. Grenoble Alpes, CNRS, UMR 5250, DCM 38000 Grenoble France
- Univ. Grenoble Alpes, CNRS, UMR 5249, LCBM 38000 Grenoble France
| | - Fabián G. Cantú Reinhard
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science The University of Manchester 131 Princess Street Manchester M1 7DN UK
| | | | - Marius Retegan
- European Synchrotron Radiation Facility (ESRF) 71 Avenue des Martyrs 38000 Grenoble France
| | - Lucia Amidani
- European Synchrotron Radiation Facility (ESRF) 71 Avenue des Martyrs 38000 Grenoble France
| | - Abayomi S. Faponle
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science The University of Manchester 131 Princess Street Manchester M1 7DN UK
| | - Kallol Ray
- Department of Chemistry Humboldt-Universität zu Berlin Brook-Taylor-Strasse 2 12489 Berlin Germany
| | | | - Sam P. de Visser
- Manchester Institute of Biotechnology and School of Chemical Engineering and Analytical Science The University of Manchester 131 Princess Street Manchester M1 7DN UK
| | | | - Carole Duboc
- Univ. Grenoble Alpes, CNRS, UMR 5250, DCM 38000 Grenoble France
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42
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Meury M, Knop M, Seebeck FP. Structural Basis for Copper-Oxygen Mediated C−H Bond Activation by the Formylglycine-Generating Enzyme. Angew Chem Int Ed Engl 2017; 56:8115-8119. [DOI: 10.1002/anie.201702901] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Indexed: 12/21/2022]
Affiliation(s)
- Marcel Meury
- Department for Chemistry; University of Basel; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Matthias Knop
- Department for Chemistry; University of Basel; St. Johanns-Ring 19 4056 Basel Switzerland
| | - Florian P. Seebeck
- Department for Chemistry; University of Basel; St. Johanns-Ring 19 4056 Basel Switzerland
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43
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Devi T, Lee Y, Jung J, Sankaralingam M, Nam W, Fukuzumi S. A Chromium(III)‐Superoxo Complex as a Three‐Electron Oxidant with a Large Tunneling Effect in Multi‐Electron Oxidation of NADH Analogues. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201611709] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Tarali Devi
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Yong‐Min Lee
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Jieun Jung
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | | | - Wonwoo Nam
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics Chinese Academy of Sciences Lanzhou 730000 China
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- Faculty of Science and Engineering SENTAN Japan Science and Technology Agency (JST) Meijo University Nagoya, Aichi 468-8502 Japan
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44
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Devi T, Lee YM, Jung J, Sankaralingam M, Nam W, Fukuzumi S. A Chromium(III)-Superoxo Complex as a Three-Electron Oxidant with a Large Tunneling Effect in Multi-Electron Oxidation of NADH Analogues. Angew Chem Int Ed Engl 2017; 56:3510-3515. [PMID: 28266771 DOI: 10.1002/anie.201611709] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 01/15/2017] [Indexed: 11/06/2022]
Abstract
Metal-superoxo species are involved in a variety of enzymatic oxidation reactions, and multi-electron oxidation of substrates is frequently observed in those enzymatic reactions. A CrIII -superoxo complex, [CrIII (O2 )(TMC)(Cl)]+ (1; TMC=1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane), is described that acts as a novel three-electron oxidant in the oxidation of dihydronicotinamide adenine dinucleotide (NADH) analogues. In the reactions of 1 with NADH analogues, a CrIV -oxo complex, [CrIV (O)(TMC)(Cl)]+ (2), is formed by a heterolytic O-O bond cleavage of a putative CrII -hydroperoxo complex, [CrII (OOH)(TMC)(Cl)], which is generated by hydride transfer from NADH analogues to 1. The comparison of the reactivity of NADH analogues with 1 and p-chloranil (Cl4 Q) indicates that oxidation of NADH analogues by 1 proceeds by proton-coupled electron transfer with a very large tunneling effect (for example, with a kinetic isotope effect of 470 at 233 K), followed by rapid electron transfer.
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Affiliation(s)
- Tarali Devi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Yong-Min Lee
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | - Jieun Jung
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea
| | | | - Wonwoo Nam
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea.,State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou, 730000, China
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science, Ewha Womans University, Seoul, 03760, Korea.,Faculty of Science and Engineering, SENTAN Japan Science and Technology Agency (JST), Meijo University, Nagoya, Aichi, 468-8502, Japan
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45
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Bae SH, Lee Y, Fukuzumi S, Nam W. Fine Control of the Redox Reactivity of a Nonheme Iron(III)–Peroxo Complex by Binding Redox‐Inactive Metal Ions. Angew Chem Int Ed Engl 2016; 56:801-805. [DOI: 10.1002/anie.201610828] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Seong Hee Bae
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Yong‐Min Lee
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- Faculty of Science and Engineering, SENTAN (Japan) Science and Technology Agency (JST) Meijo University Nagoya Aichi 468-8502 Japan
| | - Wonwoo Nam
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou 730000 China
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46
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Bae SH, Lee Y, Fukuzumi S, Nam W. Fine Control of the Redox Reactivity of a Nonheme Iron(III)–Peroxo Complex by Binding Redox‐Inactive Metal Ions. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201610828] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Seong Hee Bae
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Yong‐Min Lee
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
| | - Shunichi Fukuzumi
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- Faculty of Science and Engineering, SENTAN (Japan) Science and Technology Agency (JST) Meijo University Nagoya Aichi 468-8502 Japan
| | - Wonwoo Nam
- Department of Chemistry and Nano Science Ewha Womans University Seoul 03760 Korea
- State Key Laboratory for Oxo Synthesis and Selective Oxidation Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences Lanzhou 730000 China
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Olivo G, Cussó O, Costas M. Biologically Inspired C−H and C=C Oxidations with Hydrogen Peroxide Catalyzed by Iron Coordination Complexes. Chem Asian J 2016; 11:3148-3158. [DOI: 10.1002/asia.201601170] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2016] [Revised: 09/26/2016] [Indexed: 11/05/2022]
Affiliation(s)
- Giorgio Olivo
- Departament de Química I Institut de Química Computacional i Catàlisi (IQCC); Universitat de Girona; Facultat de Ciències, Campus de Montilivi; Girona 17071 Spain
| | - Olaf Cussó
- Departament de Química I Institut de Química Computacional i Catàlisi (IQCC); Universitat de Girona; Facultat de Ciències, Campus de Montilivi; Girona 17071 Spain
| | - Miquel Costas
- Departament de Química I Institut de Química Computacional i Catàlisi (IQCC); Universitat de Girona; Facultat de Ciències, Campus de Montilivi; Girona 17071 Spain
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