1
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Alexandridis A, Rancon T, Halliday A, Kochem A, Quintard A. Iron- and Organo-Catalyzed Borrowing Hydrogen for the Stereoselective Construction of Tetrahydropyrans. Org Lett 2024; 26:5788-5793. [PMID: 38935856 DOI: 10.1021/acs.orglett.4c01969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
Stereocontrolled oxa-Michael additions are challenging, given the high reversibility of the process, which ultimately leads to racemization of the newly formed stereocenters. When iron-catalyzed borrowing hydrogen from allylic alcohols was combined with a stereocontrolled organocatalytic oxa-Michael addition, a wide array of chiral tetrahydropyrans were efficiently prepared. The reaction could be performed in a diastereoselective manner from pre-existing stereocenters or enantioselectively from achiral substrates. The key to success was the reactivity of the iron complex, which was selective for allylic alcohol dehydrogenation and irreversibly led the reaction to the final product.
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Affiliation(s)
| | - Thibault Rancon
- Université Grenoble Alpes, CNRS, DCM, 38000 Grenoble, France
| | | | - Amélie Kochem
- Université Grenoble Alpes, CNRS, CEA, LCBM (UMR 5249), F-38000 Grenoble, France
| | - Adrien Quintard
- Université Grenoble Alpes, CNRS, DCM, 38000 Grenoble, France
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2
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Rigamonti L, Marchi L, Fiorini V, Stagni S, Zacchini S, Pinkowicz D, Dziedzic-Kocurek K, Forni A, Muniz Miranda F, Mazzoni R. Trapping an unprecedented octacoordinated iron(II) complex with neutral bis-tetrazolylpyridyl ligands and solvent molecules. Dalton Trans 2024; 53:3490-3498. [PMID: 38270176 DOI: 10.1039/d3dt04026g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Iron(II) can show a very rich coordination chemistry with concomitant modulation of its properties as promising functional materials. Metalation of the neutral tridentate nitrogen-donor mer-coordinating ligand 2,6-bis(2-(methyl)-2H-tetrazol-5-yl)pyridine (Me2btp) with Fe(ClO4)2·6H2O through accurate solvent polarity control enables the selective crystallization of [FeHS/LS(Me2btp)2](ClO4)2·MeCN·2.75H2O (2HS/LS·MeCN·2.75H2O) as red rods, where half of the iron(II) centres resides in the low spin (LS, S = 0) state and the other half is in the high spin (HS, S = 2) state. The red rods spontaneously convert into yellow crystals once removed from the mother liquor and exposed to air due to solvent rearrangement within the crystal packing; these new crystals can be assigned to [FeHS(Me2btp)2](ClO4)2·solvent (2HS·solvent) where all the iron(II) centres are now blocked in the HS state, as confirmed by magnetic measurements. The polarity of the crystallization solvent, together with the maintenance of the crystals within the mother liquor, are pivotal for the reactivity and interconversion of different species. Indeed, upon long standing in solution, 2HS/LS·MeCN·2.75H2O converts to another form of red crystals belonging to [FeLS(Me2btp)2][FeHS(Me2btp)(MeCN)2(H2O)](ClO4)4·MeCN (2LS·3HS·MeCN), as confirmed by single crystal X-ray diffraction data. In this co-crystal, the iron(II) in 2 resides in the LS state at all temperatures while the iron(II) in 3 is blocked in the HS state. Well-formed yellow crystals could be also isolated among the red crystals of 2HS/LS·MeCN·2.75H2O, and they could be identified as the unprecedented octacoordinated species [Fe(Me2btp)2(MeCN)(H2O)](ClO4)2·H2O (1·H2O) by single-crystal X-ray diffraction. These yellow crystals are stable in the air, but slowly convert into 2LS·3HS·MeCN if kept in the mother liquor for about one week. 1·H2O can be considered the trapped intermediate in the solid state during the conversion of [FeHS(Me2btp)2]2+ into [FeHS(Me2btp)(MeCN)2(H2O)]2+ in solution, where the two tridentate ligands in the starting species can unfold to accommodate coordinated MeCN and H2O molecules, as confirmed by theoretical calculations, and eventually one of the two Me2btp is completely replaced by the solvent.
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Affiliation(s)
- Luca Rigamonti
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, via G. Campi 103, 41125 Modena, Italy.
| | - Lorenzo Marchi
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, via G. Campi 103, 41125 Modena, Italy.
| | - Valentina Fiorini
- Dipartimento di Chimica Industriale 'Toso Montanari', Università degli Studi di Bologna, Via Gobetti 85, 40129 Bologna, Italy
| | - Stefano Stagni
- Dipartimento di Chimica Industriale 'Toso Montanari', Università degli Studi di Bologna, Via Gobetti 85, 40129 Bologna, Italy
| | - Stefano Zacchini
- Dipartimento di Chimica Industriale 'Toso Montanari', Università degli Studi di Bologna, Via Gobetti 85, 40129 Bologna, Italy
| | - Dawid Pinkowicz
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Kraków, Poland
| | - Katarzyna Dziedzic-Kocurek
- Marian Smoluchowski Institute of Physics, Jagiellonian University, Stanisława Łojasiewicza 11, Kraków 30-348, Poland
| | - Alessandra Forni
- Consiglio Nazionale delle Ricerche, Istituto di Scienze e Tecnologie Chimiche "G. Natta" (CNR-SCITEC) and INSTM RU of Milan, via C. Golgi 19, 20133 Milano, Italy
| | - Francesco Muniz Miranda
- Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Modena e Reggio Emilia, via G. Campi 103, 41125 Modena, Italy.
| | - Rita Mazzoni
- Dipartimento di Chimica Industriale 'Toso Montanari', Università degli Studi di Bologna, Via Gobetti 85, 40129 Bologna, Italy
- Center for Chemical Catalysis - C3, Università degli Studi di Bologna, Viale Risorgimento 4, 40136 Bologna, Italy
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3
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Werley BK, Hou X, Bertonazzi EP, Chianese A, Funk TW. Substituent Effects and Mechanistic Insights on the Catalytic Activities of (Tetraarylcyclopentadienone)iron Carbonyl Compounds in Transfer Hydrogenations and Dehydrogenations. Organometallics 2023; 42:3053-3065. [PMID: 38028505 PMCID: PMC10647929 DOI: 10.1021/acs.organomet.3c00284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Indexed: 12/01/2023]
Abstract
(Cyclopentadienone)iron carbonyl compounds are catalytically active in carbonyl/imine reductions, alcohol oxidations, and borrowing hydrogen reactions, but the effect of cyclopentadienone electronics on their activity is not well established. A series of (tetraarylcyclopentadienone)iron tricarbonyl compounds with varied electron densities on the cyclopentadienone were prepared, and their activities in transfer hydrogenations and dehydrogenations were explored. Additionally, mechanistic studies, including kinetic isotope effect experiments and modifications to substrate electronics, were undertaken to gain insights into catalyst resting states and turnover-limiting steps of these reactions. As the cyclopentadienone electron density increased, both the transfer hydrogenation and dehydrogenation rates increased. A catalytically relevant, trimethylamine-ligated iron compound was isolated and characterized and was observed in solution under both transfer hydrogenation and dehydrogenation conditions. Importantly, it was catalytically active in both reactions. Kinetic isotope effect data and initial rates in transfer hydrogenation reactions with 4'-substituted acetophenones provided evidence that hydrogen transfer from the catalyst to the carbonyl substrate occurred during the turnover-limiting step, and NMR spectroscopy supports the trimethylamine adduct as an off-cycle resting state and the (hydroxycyclopentadienyl)iron hydride as an on-cycle resting state. In transfer dehydrogenations of alcohols, the use of electronically modified benzylic alcohols provided evidence that the turnover-limiting step involves the transfer of hydrogen from the alcohol substrate to the catalyst. The trimethylamine-ligated compound was proposed as the primary catalyst resting state in dehydrogenations.
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Affiliation(s)
- Bryn K. Werley
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| | - Xintong Hou
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| | - Evan P. Bertonazzi
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
| | - Anthony Chianese
- Department
of Chemistry, Colgate University, Hamilton, New York 13346, United States
| | - Timothy W. Funk
- Department
of Chemistry, Gettysburg College, Gettysburg, Pennsylvania 17325, United States
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4
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Bütikofer A, Chen P. Cyclo-penta-dienone triisocyanide iron complexes: general synthesis and crystal structures of tris-(2,6-di-methyl-phenyl isocyanide)(η 4-tetra-phenyl-cyclo-penta-dienone)iron and tris-(naphthalen-2-yl iso-cyanide)(η 4-tetra-phenyl-cyclo-penta-dienone)iron acetone hemisolvate. Acta Crystallogr E Crystallogr Commun 2023; 79:626-632. [PMID: 37601576 PMCID: PMC10439430 DOI: 10.1107/s205698902300498x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 06/06/2023] [Indexed: 08/22/2023]
Abstract
Irradiation of a toluene solution containing cyclo-penta-dienone tricarbonyl iron complexes and isocyanides with blue LEDs afforded the formation and isolation of 12 triisocyanide complexes, two of which, namely tris-(2,6-di-methyl-phenyl isocyanide)(η4-tetra-phenyl-cyclo-penatedienone)iron, [Fe(C9H9N)3(C29H20O)], and tris-(naphthalen-2-yl isocyanide)(η4-tetra-phenyl-cyclo-penatedienone)iron acetone hemisolvate, [Fe(C11H7N)3(C29H20O)]2·C3H6O, could be characterized crystallographically. The air-stable compounds were purified by column chroma-tography and were characterized by 1H NMR, 13C NMR, elemental analysis and HRMS. NMR and XRD data indicate generally more electron-rich Fe0 centers compared to the corresponding tricarbonyl compounds.
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Affiliation(s)
- André Bütikofer
- Department of Chemistry and Applied Biosciences, Laboratory of Organic Chemistry, ETH Zurich, Zurich 8093, Switzerland
| | - Peter Chen
- Department of Chemistry and Applied Biosciences, Laboratory of Organic Chemistry, ETH Zurich, Zurich 8093, Switzerland
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5
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Bütikofer A, Chen P. Zwitterionic Halido Cyclopentadienone Iron Complexes and Their Catalytic Performance in Hydrogenation Reactions. Inorg Chem 2023; 62:4188-4196. [PMID: 36847480 DOI: 10.1021/acs.inorgchem.2c04298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
The zwitterionic halido cyclopentadienone iron complexes FeX(CO)2-NMe3 (X = Cl, Br, I) were prepared and characterized by NMR, XRD, MS, IR, and elemental analysis. Their catalytic performance in hydrogenation and transfer hydrogenation was assessed. Transfer hydrogenation in boiling iPrOH with acetophenone as the test substrate showed no conversion with FeI(CO)2-NMe3. Hydrogenation reactions under H2 pressure (7.5 bar) in water as solvent showed up to 93% conversion with FeI(CO)2-NMe3 (2.5 mol %) using acetophenone as the test substrate. The overall relative reactivity order was established to be Cl < Br < I, reflecting the relative bond strengths of the Fe-X bonds. Although the compounds presented in this study can be used as precatalysts for hydrogenation reactions in water, the need to employ high temperatures, leading to more catalyst decomposition, as evidenced by pressurized sample infusion-electrospray ionization-mass spectrometry (PSI-ESI-MS), and high catalyst loading limits their usefulness as catalysts. The limit can be circumvented in part by salt effects analogous to those in classical solvolysis chemistry.
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Affiliation(s)
- André Bütikofer
- Department of Chemistry and Applied Biosciences, Laboratory of Organic Chemistry, ETH Zurich, Zurich 8049, Switzerland
| | - Peter Chen
- Department of Chemistry and Applied Biosciences, Laboratory of Organic Chemistry, ETH Zurich, Zurich 8049, Switzerland
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6
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Putta RR, Chun S, Lee SB, Hong J, Choi SH, Oh DC, Hong S. Chemoselective α-Alkylation and α-Olefination of Arylacetonitriles with Alcohols via Iron-Catalyzed Borrowing Hydrogen and Dehydrogenative Coupling. J Org Chem 2022; 87:16378-16389. [PMID: 36417466 DOI: 10.1021/acs.joc.2c02050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
α-Alkyl and α-olefin nitriles are very important for organic synthesis and medicinal chemistry. However, different types of catalysts are employed to achieve either α-alkylation of nitriles by borrowing hydrogen or α-olefination by dehydrogenative coupling methods. Designing and developing high-performance earth-abundant catalysts that can procure different products from the same starting materials remain a great challenge. Herein, we report an iron(0) catalyst system that achieves chemoselectivity between borrowing hydrogen and dehydrogenative coupling protocols by simply changing the base. A broad range of nitriles and alcohols, including benzylic, linear aliphatic, cycloaliphatic, heterocyclic, and allylic alcohols, were selectively and efficiently converted to the corresponding products. Mechanistic studies reveal that the reaction mechanism proceeds through a dehydrogenative pathway. This iron catalytic protocol is environmentally benign and atom-efficient with the liberation of H2 and H2O as green byproducts.
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Affiliation(s)
- Ramachandra Reddy Putta
- BK 21 Plus Project, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Simin Chun
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Seok Beom Lee
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Junhwa Hong
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Seung Hyun Choi
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Dong-Chan Oh
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Suckchang Hong
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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7
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Late stage modifications of phosphine oxide ligands by iron‐catalyzed hydrogen borrowing reactions. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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8
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Bütikofer A, Chen P. Cyclopentadienone Iron Complex-Catalyzed Hydrogenation of Ketones: An Operando Spectrometric Study Using Pressurized Sample Infusion-Electrospray Ionization-Mass Spectrometry. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- André Bütikofer
- Department of Chemistry and Applied Biosciences, Laboratory of Organic Chemistry, ETH Zurich, Zurich 8049, Switzerland
| | - Peter Chen
- Department of Chemistry and Applied Biosciences, Laboratory of Organic Chemistry, ETH Zurich, Zurich 8049, Switzerland
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9
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Ruiz-Zambrana C, Dubey RK, Poyatos M, Mateo-Alonso A, Peris E. Redox-Switchable Complexes Based on Nanographene-NHCs. Chemistry 2022; 28:e202201384. [PMID: 35638131 PMCID: PMC9400984 DOI: 10.1002/chem.202201384] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Indexed: 12/22/2022]
Abstract
A series of rhodium and iridium complexes with a N‐heterocyclic carbene (NHC) ligand decorated with a perylene‐diimide‐pyrene moiety are described. Electrochemical studies reveal that the complexes can undergo two successive one‐electron reduction events, associated to the reduction of the PDI moiety attached to the NHC ligand. The reduction of the ligand produces a significant increase on its electron‐donating character, as observed from the infrared spectroelectrochemical studies. The rhodium complex was tested in the [3+2] cycloaddition of diphenylcyclopropenone and methylphenylacetylene, where it displayed a redox‐switchable behavior. The neutral complex showed moderate activity, which was suppressed when the catalyst was reduced.
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Affiliation(s)
- César Ruiz-Zambrana
- Institute of Advanced Materials (INAM). Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universitat Jaume I., Av. Vicente Sos Baynat s/n., Castellón., 12071, Spain
| | - Rajeev K Dubey
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain
| | - Macarena Poyatos
- Institute of Advanced Materials (INAM). Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universitat Jaume I., Av. Vicente Sos Baynat s/n., Castellón., 12071, Spain
| | - Aurelio Mateo-Alonso
- POLYMAT, University of the Basque Country UPV/EHU, Avenida de Tolosa 72, 20018, Donostia-San Sebastian, Spain.,Ikerbasque, Basque Foundation for Science, 48009, Bilbao, Spain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM). Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universitat Jaume I., Av. Vicente Sos Baynat s/n., Castellón., 12071, Spain
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10
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Iron-catalyzed reductive cyclization of nitroarenes: Synthesis of aza-heterocycles and DFT calculations. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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11
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Cingolani A, Olivieri D, Messori A, Cesari C, Zanotti V, Zacchini S, Gualandi I, Scavetta E, Mariani F, Tonelli D, Mazzoni R. Electrochemical Polymerisation of Newly Synthesised 3,4-Ethylene Dioxythiophene-N-Heterocyclic Carbene Iron Complexes and Application as Redox Mediators. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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12
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González-López V, Resendiz-Lara DA, Rosas-Sánchez A, Ledesma-Olvera LG, Daran JC, Barquera-Lozada JE, López-Cortés JG, Ortega-Alfaro MC. Iodine-promoted insertion of the oxygen atom from water in η 4-vinylketene[Fe(CO) 3] complexes. Dalton Trans 2022; 51:6868-6875. [PMID: 35439809 DOI: 10.1039/d2dt00674j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Iodine promotes the in situ formation of iron(II) species from η4-vinylketene[Fe(CO)3] (3a-h) as a key intermediate for the synthesis of 2(5H)-furanones (4a-h) by a sequential water-insertion/carbon-oxygen coupling under mild reaction conditions. Compounds 4a-h were obtained in good to excellent yields. A possible reaction pathway was also proposed by DFT calculations. This methodology can be extended to the synthesis of (5H)-pyrrol-2-ones using anilines, with moderate yields and a few limitations.
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Affiliation(s)
- Vianney González-López
- Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico.
| | - Diego A Resendiz-Lara
- Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico.
| | - Alfredo Rosas-Sánchez
- Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico.
| | - Lydia G Ledesma-Olvera
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico
| | - Jean-Claude Daran
- LCC (Laboratoire de Chimie de Coordination), 205, route de Narbonne, 31077 Toulouse, France
| | - José E Barquera-Lozada
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico
| | - José G López-Cortés
- Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico
| | - M Carmen Ortega-Alfaro
- Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, C.P. 04510, Cd. México, Mexico.
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13
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Hackl L, Ho LP, Bockhardt D, Bannenberg T, Tamm M. Tetraaminocyclopentadienone Iron Complexes as Hydrogenation Catalysts. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00075] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Ludwig Hackl
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Luong Phong Ho
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Dustin Bockhardt
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Thomas Bannenberg
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, 38106 Braunschweig, Germany
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14
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Tadiello L, Gandini T, Stadler BM, Tin S, Jiao H, de Vries JG, Pignataro L, Gennari C. Regiodivergent Reductive Opening of Epoxides by Catalytic Hydrogenation Promoted by a (Cyclopentadienone)iron Complex. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03549] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Laura Tadiello
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Tommaso Gandini
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Bernhard M. Stadler
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Sergey Tin
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Haijun Jiao
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Johannes G. de Vries
- Leibniz-Institut für Katalyse e.V., Albert-Einstein-Straße 29a, 18059 Rostock, Germany
| | - Luca Pignataro
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
| | - Cesare Gennari
- Università degli Studi di Milano, via C. Golgi 19, 20133 Milano, Italy
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15
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Fusi GM, Gazzola S, Piarulli U. Chiral Iron Complexes in Asymmetric Organic Transformations. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100995] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Giovanni Maria Fusi
- Dipartimento di Scienza e Alta Tecnologia Università degli Studi dell'Insubria Via Valleggio 11 22100 Como, Italy
| | - Silvia Gazzola
- Dipartimento di Scienza e Alta Tecnologia Università degli Studi dell'Insubria Via Valleggio 11 22100 Como, Italy
| | - Umberto Piarulli
- Dipartimento di Scienza e Alta Tecnologia Università degli Studi dell'Insubria Via Valleggio 11 22100 Como, Italy
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16
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Yagoub I, Clémancey M, Bayle PA, Quintard A, Delattre G, Blondin G, Kochem A. Mössbauer Spectroscopic and Computational Investigation of An Iron Cyclopentadienone Complex. Inorg Chem 2021; 60:11192-11199. [PMID: 34264639 DOI: 10.1021/acs.inorgchem.1c01155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
(Cyclopentadienone)iron carbonyl complexes have recently received particular attention for their use as catalysts in hydrogenation or transfer hydrogenation reactions including the N-alkylation of amines with alcohols. This is due to their easy synthesis from simple and cheap materials, air and water stabilities, and the crucial metal-ligand cooperation giving rise to unique catalytic properties. Here, we report a Mössbauer spectroscopic and computational investigation of such a complex and its corresponding activated species for dehydrogenation and hydrogenation reactions. This study affords a deeper understanding of the species formed by the reaction with Me3NO and their distribution upon the added amount of an oxidant.
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Affiliation(s)
- Ikram Yagoub
- Univ. Grenoble Alpes, CNRS, CEA, LCBM (UMR 5249), F-38000 Grenoble, France
| | - Martin Clémancey
- Univ. Grenoble Alpes, CNRS, CEA, LCBM (UMR 5249), F-38000 Grenoble, France
| | | | - Adrien Quintard
- Aix Marseille Univ, CNRS, Centrale Marseille Ism2, Marseille, France
| | - Guillaume Delattre
- Univ. Grenoble Alpes, CNRS, CEA, LCBM (UMR 5249), F-38000 Grenoble, France
| | - Geneviève Blondin
- Univ. Grenoble Alpes, CNRS, CEA, LCBM (UMR 5249), F-38000 Grenoble, France
| | - Amélie Kochem
- Univ. Grenoble Alpes, CNRS, CEA, LCBM (UMR 5249), F-38000 Grenoble, France
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17
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Affiliation(s)
- Ludwig Hackl
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Lukas Körner
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Technische Universität Braunschweig, Institute of Inorganic and Analytical Chemistry, Hagenring 30, 38106 Braunschweig, Germany
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18
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Akter M, Anbarasan P. (Cyclopentadienone)iron Complexes: Synthesis, Mechanism and Applications in Organic Synthesis. Chem Asian J 2021; 16:1703-1724. [PMID: 33999506 DOI: 10.1002/asia.202100400] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 05/12/2021] [Indexed: 12/22/2022]
Abstract
(Cyclopentadienone)iron tricarbonyl complexes are catalytically active, inexpensive, easily accessible and air-stable that are extensively studied as an active pre-catalyst in homogeneous catalysis. Its versatile catalytic activity arises exclusively due to the presence of a non-innocent ligand, which can trigger its unique redox properties effectively. These complexes have been employed widely in (transfer)hydrogenation (e. g., reduction of polar multiple bonds, Oppenauer-type oxidation of alcohols), C-C and C-N bond formation (e. g., reductive aminations, α-alkylation of ketones) and other synthetic transformations. In this review, we discuss the remarkable advancement of its various synthetic applications along with synthesis and mechanistic studies, until February 2021.
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Affiliation(s)
- Monalisa Akter
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Pazhamalai Anbarasan
- Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
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19
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Coufourier S, Ndiaye D, Gaillard QG, Bettoni L, Joly N, Mbaye MD, Poater A, Gaillard S, Renaud JL. Iron-catalyzed chemoselective hydride transfer reactions. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132187] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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20
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Qu R, Cheng Y, Yang S, Zhao C, Liu H, Huang X. Iron‐Catalyzed N‐Alkylation of Secondary Amines with Alcohols Using Borrowing Hydrogen Strategy. ChemistrySelect 2021. [DOI: 10.1002/slct.202100712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ruxin Qu
- Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University Liutiao Road Changchun 130023 China
| | - Yaxuan Cheng
- Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University Liutiao Road Changchun 130023 China
| | - Siwei Yang
- Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University Liutiao Road Changchun 130023 China
| | - Chaoyu Zhao
- Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University Liutiao Road Changchun 130023 China
| | - Huiling Liu
- Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University, Liutiao Road Changchun 130023 China
| | - Xuri Huang
- Laboratory of Theoretical and Computational Chemistry Institute of Theoretical Chemistry Jilin University, Liutiao Road Changchun 130023 China
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21
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Cingolani A, Zanotti V, Cesari C, Ferri M, Mazzocchetti L, Benelli T, Merighi S, Giorgini L, Mazzoni R. Synthesis of functionalized iron N-heterocyclic carbene complexes and their potential application as flame behavior modifier in cross linked epoxy resins. Inorganica Chim Acta 2021. [DOI: 10.1016/j.ica.2021.120273] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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22
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Cingolani A, Gualandi I, Scavetta E, Cesari C, Zacchini S, Tonelli D, Zanotti V, Franchi P, Lucarini M, Sicilia E, Mazzone G, Nanni D, Mazzoni R. Cyclopentadienone–NHC iron(0) complexes as low valent electrocatalysts for water oxidation. Catal Sci Technol 2021. [DOI: 10.1039/d0cy02329a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Design and application of earth abundant iron based molecular electrocatalysts for water oxidation, an essential challenge for sustainable energy applications.
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23
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Wu J, Darcel C. Iron-Catalyzed Hydrogen Transfer Reduction of Nitroarenes with Alcohols: Synthesis of Imines and Aza Heterocycles. J Org Chem 2020; 86:1023-1036. [DOI: 10.1021/acs.joc.0c02505] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Jiajun Wu
- UnivRennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
| | - Christophe Darcel
- UnivRennes, CNRS ISCR (Institut des Sciences Chimiques de Rennes), UMR 6226, F-35000 Rennes, France
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24
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Chun S, Ahn J, Putta RR, Lee SB, Oh DC, Hong S. Direct Synthesis of Pyrrolo[1,2-α]quinoxalines via Iron-Catalyzed Transfer Hydrogenation between 1-(2-Nitrophenyl)pyrroles and Alcohols. J Org Chem 2020; 85:15314-15324. [DOI: 10.1021/acs.joc.0c02145] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Simin Chun
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Jiwon Ahn
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Ramachandra Reddy Putta
- BK 21 Plus Project, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Seok Beom Lee
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Dong-Chan Oh
- Natural Products Research Institute, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
| | - Suckchang Hong
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Seoul National University, Seoul 08826, Republic of Korea
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