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Borys AM, Hevia E. Alkali-metal nickelates: catalytic cross-coupling, clusters and coordination complexes. Chem Commun (Camb) 2024. [PMID: 39248168 PMCID: PMC11382342 DOI: 10.1039/d4cc03548h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2024]
Abstract
Alkali-metal nickelates are a class of highly reactive heterobimetallic complexes derived from Ni(0)-olefins and polar organo-alkali-metal reagents. First reported over 50 years ago, it is only in recent years that these overlooked complexes have found formidable roles in sustainable catalysis and beyond. In this article, we will showcase the emerging catalytic applications of lithium nickelates and discuss the mechanisms by which these heterobimetallic complexes facilitate challenging cross-coupling reactions. We will also review the unique structure and bonding of alkali-metal nickelates, as interrogated by X-ray crystallography and complementary bonding analysis, and finally explore the diverse coordination and co-complexation chemistry of these heterobimetallic complexes.
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Affiliation(s)
- Andryj M Borys
- Departement für Chemie, Biochemie und Pharmacie, Universität Bern, 3012 Bern, Switzerland.
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmacie, Universität Bern, 3012 Bern, Switzerland.
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2
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Borys AM, Vedani L, Hevia E. The coordination of alkali-metal nickelates to organic π-systems: synthetic, structural and spectroscopic insights. Dalton Trans 2024; 53:8382-8390. [PMID: 38680126 DOI: 10.1039/d4dt00889h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
Low-valent nickelates have recently been shown to be key intermediates in challenging cross-coupling reactions using aryl ethers as electrophiles. Key for the success of these transformations is the activation of the substrate through π-coordination to the nickelate intermediate, however there is still limited knowledge about the fundamental structure and coordination chemistry of these heterobimetallic complexes. Herein, we report the synthesis, structures, and spectroscopic analysis of a diverse family of alkali-metal nickelates derived from phenyl-alkali-metal reagents and Ni(ttt-CDT), where ttt-CDT = trans,trans,trans-1,5,9-cyclododecatriene. The co-complexation of PhLi with Ni(ttt-CDT) was found to yield 1 : 1, 2 : 1 or 4 : 2 lithium nickelates depending on the stoichiometry and reaction conditions employed. The high lability of the ttt-CDT ligand enables facile ligand exchange with an assorted series of organic π-acceptors, ranging from polyaromatic hydrocarbons to ketones, imines and nitriles. For anthracene and phenanthrene, a homologous series of Li, Na and K nickelates could be obtained, which lead to different structural motifs or degrees of aggregation in the solid-state spanning solvated monomers to complex polymeric arrangements. For π-extended systems such as perylene or coronene, competing single-electron-transfer to give the corresponding radical anions was observed, illustrating the highly reducing nature of the alkali-metal nickelates. X-ray crystallographic analysis and NMR spectroscopy of the phenyl-alkali-metal nickelates reveal extreme back-bonding from Ni(0) to the organic π-acceptors due to strong σ-donation from the carbanionic ligands.
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Affiliation(s)
- Andryj M Borys
- Departement für Chemie, Biochemie und Pharmacie, Universität Bern, 3012 Bern, Switzerland.
| | - Luca Vedani
- Departement für Chemie, Biochemie und Pharmacie, Universität Bern, 3012 Bern, Switzerland.
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmacie, Universität Bern, 3012 Bern, Switzerland.
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3
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Borys AM, Hevia E. Diphenylacetylene stabilised alkali-metal nickelates: synthesis, structure and catalytic applications. Dalton Trans 2023; 52:2098-2105. [PMID: 36722457 PMCID: PMC9926332 DOI: 10.1039/d3dt00069a] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Whilst low-valent nickelates have recently been proposed as intermediates in Ni-catalysed reactions involving polar organometallics, their isolation and characterisation is often challenging due to their high sensitivity and reactivity. Advancing the synthetic, spectroscopic and structural insights of these heterobimetallic systems, here we report a new family of alkyne supported alkali-metal nickelates of the formula Li4(solv)n(Ar)4Ni2{μ2:η2,η2-Ph-CC-Ph} (where solv = Et2O, THF; Ar = Ph, o-Tol, naphthyl, 4-tBu-C6H4) which can be accessed through the combination of Ni(COD)2, Ph-CC-Ph and the relevant lithium aryl in a 2 : 1 : 4 ratio. Demonstrating the versatility of this approach, the sodium and potassium nickelates can also be accessed when using PhNa or via alkali-metal exchange with AMOtBu (AM = Na, K). When employing bulky or structurally constrained aryl-lithiums, mononickel complexes of the formula Li2(solv)n(Ar)2Ni{η2-Ph-CC-Ph} are instead obtained, highlighting the structural diversity of alkali-metal nickelates bearing alkyne ligands. Expanding the catalytic potential of these systems, their ability to promote the catalytic cyclotrimerisation of diphenylacetylene to hexaphenylbenzene was explored, with mononickel compounds bearing electron rich aryl-substituents displaying the best performance.
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Affiliation(s)
- Andryj M. Borys
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern3012 BernSwitzerland
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, 3012 Bern, Switzerland.
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4
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Lassalle S, Petit J, Falconer RL, Hérault V, Jeanneau E, Thieuleux C, Camp C. Reactivity of Tantalum/Iridium and Hafnium/Iridium Alkyl Hydrides with Alkyl Lithium Reagents: Nucleophilic Addition, Alpha-H Abstraction, or Hydride Deprotonation? Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Sébastien Lassalle
- Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M UMR 5128 CNRS, Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, ESCPE Lyon 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Julien Petit
- Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M UMR 5128 CNRS, Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, ESCPE Lyon 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Rosalyn L. Falconer
- Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M UMR 5128 CNRS, Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, ESCPE Lyon 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Valentin Hérault
- Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M UMR 5128 CNRS, Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, ESCPE Lyon 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Erwann Jeanneau
- Centre de Diffractométrie Henri Longchambon Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Chloé Thieuleux
- Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M UMR 5128 CNRS, Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, ESCPE Lyon 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
| | - Clément Camp
- Laboratory of Catalysis, Polymerization, Processes and Materials, CP2M UMR 5128 CNRS, Université de Lyon, Institut de Chimie de Lyon, Université Claude Bernard Lyon 1, ESCPE Lyon 43 Bd du 11 Novembre 1918, F-69616 Villeurbanne, France
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5
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Somerville RJ, Borys AM, Perez-Jimenez M, Nova A, Balcells D, Malaspina LA, Grabowsky S, Carmona E, Hevia E, Campos J. Unmasking the constitution and bonding of the proposed lithium nickelate "Li 3NiPh 3(solv) 3": revealing the hidden C 6H 4 ligand. Chem Sci 2022; 13:5268-5276. [PMID: 35655554 PMCID: PMC9093164 DOI: 10.1039/d2sc01244h] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Accepted: 04/08/2022] [Indexed: 11/21/2022] Open
Abstract
More than four decades ago, a complex identified as the planar homoleptic lithium nickelate “Li3NiPh3(solv)3” was reported by Taube and co-workers. This and subsequent reports involving this complex have lain dormant since; however, the absence of an X-ray diffraction structure leaves questions as to the nature of the Ni–PhLi bonding and the coordination geometry at Ni. By systematically evaluating the reactivity of Ni(COD)2 with PhLi under different conditions, we have found that this classical molecule is instead a unique octanuclear complex, [{Li3(solv)2Ph3Ni}2(μ-η2:η2-C6H4)] (5). This is supported by X-ray crystallography and solution-state NMR studies. A theoretical bonding analysis from NBO, QTAIM, and ELI perspectives reveals extreme back-bonding to the bridging C6H4 ligand resulting in dimetallabicyclobutane character, the lack of a Ni–Ni bond, and pronounced σ-bonding between the phenyl carbanions and nickel, including a weak σC–Li → sNi interaction with the C–Li bond acting as a σ-donor. Employing PhNa led to the isolation of [Na2(solv)3Ph2NiCOD]2 (7) and [Na2(solv)3Ph2(NaC8H11)Ni(COD)]2 (8), which lack the benzyne-derived ligand. These findings provide new insights into the synthesis, structure, bonding and reactivity of heterobimetallic nickelates, whose prevalence in organonickel chemistry and catalysis is likely greater than previously believed. We disclose the actual octanuclear nature of the major compound from reacting Ni(COD)2 and PhLi, assigned for more than four decades as ‘Li3NiPh3(solv)3’. We provide a thorough bonding analysis and discuss its potential implications in catalysis.![]()
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Affiliation(s)
- Rosie J Somerville
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), University of Sevilla Avenida Américo Vespucio 49 41092 Sevilla Spain
| | - Andryj M Borys
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Marina Perez-Jimenez
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), University of Sevilla Avenida Américo Vespucio 49 41092 Sevilla Spain
| | - Ainara Nova
- Hylleraas Centre for Quantum Molecular Sciences, Centre for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo P.O. Box 1033, Blindern 0315 Oslo Norway
| | - David Balcells
- Hylleraas Centre for Quantum Molecular Sciences, Centre for Materials Science and Nanotechnology, Department of Chemistry, University of Oslo P.O. Box 1033, Blindern 0315 Oslo Norway
| | - Lorraine A Malaspina
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Simon Grabowsky
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Ernesto Carmona
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), University of Sevilla Avenida Américo Vespucio 49 41092 Sevilla Spain
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Jesús Campos
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica, Centro de Innovación en Química Avanzada (ORFEO-CINQA), Consejo Superior de Investigaciones Científicas (CSIC), University of Sevilla Avenida Américo Vespucio 49 41092 Sevilla Spain
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6
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Borys AM, Hevia E. Mechanisms of the Nickel-Catalysed Hydrogenolysis and Cross-Coupling of Aryl Ethers. SYNTHESIS-STUTTGART 2022. [DOI: 10.1055/a-1806-4513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
AbstractThe Ni-catalysed hydrogenolysis and cross-coupling of aryl ethers has emerged as a powerful synthetic tool to transform inert phenol-derived electrophiles into functionalised aromatic molecules. This has attracted significant interest due to its potential to convert the lignin fraction of biomass into chemical feedstocks, or to enable orthogonal reactivity and late-stage synthetic modification. Although the scope of nucleophiles employed, and hence the C–C and C–heteroatom bonds that can be forged, has expanded significantly since Wenkert’s seminal work in 1979, mechanistic understanding on how these reactions operate is still uncertain since the comparatively inert Caryl–O bond of aryl ethers challenge the involvement of classical mechanisms involving direct oxidative addition to Ni(0). In this review, we document the different mechanisms that have been proposed in the Ni-catalysed hydrogenolysis and cross-coupling of aryl ethers. These include: (i) direct oxidative addition; (ii) Lewis acid assisted C–O bond cleavage; (iii) anionic nickelates, and; (iv) Ni(I) intermediates. Experimental and theoretical investigations by numerous research groups have generated a pool of knowledge that will undoubtedly facilitate future discoveries in the development of novel Ni-catalysed transformations of aryl ethers.1 Introduction2 Direct Oxidative Addition3 Hydrogenolysis of Aryl Ethers4 Lewis Acid Assisted C–O Bond Cleavage5 Anionic Nickelates6 Ni(I) Intermediates7 The ‘Naphthalene Problem’8 Conclusions and Outlook
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Pérez‐Jiménez M, Campos J, Jover J, Álvarez S, Carmona E. Supported σ‐Complexes of Li−C Bonds from Coordination of Monomeric Molecules of LiCH
3
, LiCH
2
CH
3
and LiC
6
H
5
to Mo≣Mo Bonds. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202116009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Marina Pérez‐Jiménez
- Instituto de Investigaciones Químicas (IIQ) Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA) Consejo Superior de Investigaciones Científicas (CSIC) University of Sevilla Avda. Américo Vespucio, 49 41092 Sevilla Spain
| | - Jesús Campos
- Instituto de Investigaciones Químicas (IIQ) Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA) Consejo Superior de Investigaciones Científicas (CSIC) University of Sevilla Avda. Américo Vespucio, 49 41092 Sevilla Spain
| | - Jesús Jover
- Department de Química Inorgànica I Orgànica Secció de Química Inorgànica Institut de Química Teòrica i Computacional Universitat de Barcelona Martí i Franquès 1–11 08028 Barcelona Spain
| | - Santiago Álvarez
- Department de Química Inorgànica I Orgànica Secció de Química Inorgànica Institut de Química Teòrica i Computacional Universitat de Barcelona Martí i Franquès 1–11 08028 Barcelona Spain
| | - Ernesto Carmona
- Instituto de Investigaciones Químicas (IIQ) Departamento de Química Inorgánica and Centro de Innovación en Química Avanzada (ORFEO-CINQA) Consejo Superior de Investigaciones Científicas (CSIC) University of Sevilla Avda. Américo Vespucio, 49 41092 Sevilla Spain
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8
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Pérez-Jiménez M, Campos J, Jover J, Álvarez S, Carmona E. Supported σ-Complexes of Li-C Bonds from Coordination of Monomeric Molecules of LiCH3, LiCH2CH3 and LiC6H5 to MoMo Bonds. Angew Chem Int Ed Engl 2021; 61:e202116009. [PMID: 34913550 PMCID: PMC9303556 DOI: 10.1002/anie.202116009] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Indexed: 11/22/2022]
Abstract
LiCH3 and LiCH2CH3 react with the complex [Mo2(H)2(μ‐AdDipp2)2(thf)2] (1⋅thf) with coordination of two molecules of LiCH2R (R=H, CH3) and formation of complexes [Mo2{μ‐HLi(thf)CH2R}2(AdDipp2)2], 5⋅LiCH3 and 5⋅LiCH2CH3, respectively (AdDipp2=HC(NDipp)2; Dipp=2,6‐iPr2C6H3; thf=C4H8O). Due to steric hindrance, only one molecule of LiC6H5 adds to 1⋅thf generating the complex [Mo2(H){μ‐HLi(thf)C6H5}(μ‐AdDipp2)2], (4⋅LiC6H5). Computational studies disclose the existence of five‐center six‐electron bonding within the H−Mo≣Mo−C−Li metallacycles, with a mostly covalent H−Mo≣Mo−C group and predominantly ionic Li−C and Li−H interactions. However, the latter bonds exhibit non‐negligible covalency, as indicated by X‐ray, computational data and the large one‐bond 6,7Li,1H and 6,7Li,13C NMR coupling constants found for the three‐atom H−Li−C chains. By contrast, the phenyl group in 4⋅LiC6H5 coordinates in an η2 fashion to the lithium atom through the ipso and one of the ortho carbon atoms.
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Affiliation(s)
- Marina Pérez-Jiménez
- University of Seville Faculty of Chemistry: Universidad de Sevilla Facultad de Quimica, Inorganic Chemistry, SPAIN
| | - Jesús Campos
- Centro de Investigaciones Científicas Isla de la Cartuja: Centro de Investigaciones Cientificas Isla de la Cartuja, Instituto de Investigaciones Químicas, SPAIN
| | - Jesús Jover
- Universitat de Barcelona Facultat de Química: Universitat de Barcelona Facultat de Quimica, Inorganic Chemistry, SPAIN
| | - Santiago Álvarez
- Universitat de Barcelona Facultat de Química: Universitat de Barcelona Facultat de Quimica, Inorganic Chemistry, SPAIN
| | - Ernesto Carmona
- University of Sevilla-CSIC, Americo Vespucio, 41092, Sevilla, SPAIN
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9
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Borys AM, Hevia E. The Anionic Pathway in the Nickel‐Catalysed Cross‐Coupling of Aryl Ethers. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110785] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Andryj M. Borys
- Departement für Chemie, Biochemie und Pharmazie Universität Bern Freiestrasse 3 3012 Bern Switzerland
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmazie Universität Bern Freiestrasse 3 3012 Bern Switzerland
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10
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Borys AM, Hevia E. The Anionic Pathway in the Nickel-Catalysed Cross-Coupling of Aryl Ethers. Angew Chem Int Ed Engl 2021; 60:24659-24667. [PMID: 34469021 PMCID: PMC8596537 DOI: 10.1002/anie.202110785] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Indexed: 01/11/2023]
Abstract
The Ni‐catalysed cross‐coupling of aryl ethers is a powerful method to forge new C−C and C−heteroatom bonds. However, the inert C(sp2)−O bond means that a canonical mechanism that relies on the oxidative addition of the aryl ether to a Ni0 centre is thermodynamically and kinetically unfavourable, which suggests that alternative mechanisms may be involved. Here, we provide spectroscopic and structural insights into the anionic pathway, which relies on the formation of electron‐rich hetero‐bimetallic nickelates by adding organometallic nucleophiles to a Ni0 centre. Assessing the rich co‐complexation chemistry between Ni(COD)2 and PhLi has led to the structures and solution‐state chemistry of a diverse family of catalytically competent lithium nickelates being unveiled. In addition, we demonstrate dramatic solvent and donor effects, which suggest that the cooperative activation of the aryl ether substrate by Ni0‐ate complexes plays a key role in the catalytic cycle.
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Affiliation(s)
- Andryj M Borys
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012, Bern, Switzerland
| | - Eva Hevia
- Departement für Chemie, Biochemie und Pharmazie, Universität Bern, Freiestrasse 3, 3012, Bern, Switzerland
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11
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Liu S, Smith BA, Kirkland JK, Vogiatzis KD, Girolami GS. Nature of the Short Rh-Li Contact between Lithium and the Rhodium ω-Alkenyl Complex [Rh(CH 2CMe 2CH 2CH═CH 2) 2] . Inorg Chem 2021; 60:8790-8801. [PMID: 34097392 DOI: 10.1021/acs.inorgchem.1c00737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We describe the preparation of the cis-bis(η1,η2-2,2-dimethylpent-4-en-1-yl)rhodate(I) anion, cis-[Rh(CH2CMe2CH2CH═CH2)2]-, and the interaction of this species with Li+ both in solution and in the solid state. For the lithium(diethyl ether) salt [Li(Et2O)][Rh(CH2CMe2CH2CH═CH2)2], VT-NMR and 1H{7Li} NOE NMR studies in toluene-d8 show that the Li+ cation is in close proximity to the dz2 orbital of rhodium. In the solid-state structure of the lithium(12-crown-4) salt [Li(12-crown-4)2][Li{Rh(CH2CMe2CH2CH═CH2)2}2], one lithium atom is surrounded by two [Rh(CH2CMe2CH2CH═CH2)2]- anions, and in this assembly there are two unusually short Rh-Li distances of 2.48 Å. DFT calculations, natural energy decomposition, and ETS-NOCV analysis suggest that there is a weak dative interaction between the 4dz2 orbitals on the Rh centers and the 2pz orbital of the Li+ cation. The charge-transfer term between Rh and Li+ contributes only about the 1/5 of the total interaction energy, however, and the principal driving force for the proximity of Rh and Li in compounds 1 and 2 is that Li+ is electrostatically attracted to negative charges on the dialkylrhodiate anions.
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Affiliation(s)
- Sumeng Liu
- School of Chemical Sciences, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
| | - Brett A Smith
- Department of Chemistry, University of Tennessee, 1416 Circle Drive, Knoxville, Tennessee 37996, United States
| | - Justin K Kirkland
- Department of Chemistry, University of Tennessee, 1416 Circle Drive, Knoxville, Tennessee 37996, United States
| | - Konstantinos D Vogiatzis
- Department of Chemistry, University of Tennessee, 1416 Circle Drive, Knoxville, Tennessee 37996, United States
| | - Gregory S Girolami
- School of Chemical Sciences, University of Illinois at Urbana-Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801, United States
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12
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Lutz S, Nattmann L, Nöthling N, Cornella J. 16-Electron Nickel(0)-Olefin Complexes in Low-Temperature C(sp2)–C(sp3) Kumada Cross-Couplings. Organometallics 2021. [DOI: 10.1021/acs.organomet.0c00775] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sigrid Lutz
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
| | - Lukas Nattmann
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
| | - Nils Nöthling
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
| | - Josep Cornella
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
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13
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Erdelmeier I, Won J, Park S, Decker J, Bülow G, Baik M, Gais H. Nickel-Catalyzed Anionic Cross-Coupling Reaction of Lithium Sulfonimidoyl Alkylidene Carbenoids With Organolithiums. Chemistry 2020; 26:2914-2926. [PMID: 31667889 PMCID: PMC7079181 DOI: 10.1002/chem.201904862] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Indexed: 01/07/2023]
Abstract
The mechanistic platform for a novel nickel0 -catalyzed anionic cross-coupling reaction (ACCR) of lithium sulfonimidoyl alkylidene carbenoids (metalloalkenyl sulfoximines) with organometallic reagents is reported herein, affording substituted alkenylmetals and lithium sulfinamides. The Ni0 -catalyzed ACCR of three different types of metalloalkenyl sulfoximines, including acyclic, axially chiral and exocyclic derivatives, with sp2 organolithiums and sp2 and sp3 Grignard reagents has been studied. The ACCR of metalloalkenyl sulfoximines with PhLi in the presence of the Ni0 -catalyst and precatalyst Ni(PPh3 )2 Cl2 afforded alkenyllithiums, under inversion of configuration at the C atom and complete retention at the S atom. In a combination of experimental and DFT studies, we propose a catalytic cycle of the Ni0 -catalyzed ACCR of lithioalkenyl sulfoximines. Computational studies reveal two distinctive pathways of the ACCR, depending on whether a phosphine or 1,5-cyclooctadiene (COD) is the ligand of the Ni atom. They rectify the underlying importance of forming the key Ni0 -vinylidene intermediate through an indispensable electron-rich Ni0 -center coordinated by phosphine ligands. Fundamentally, we present a mechanistic study in controlling the diastereoselectivity of the alkenyllithium formation via the key lithium sulfinamide coordinated Ni0 -vinylidene complex, which consequently avoids an unselective formation of an alkylidene carbene Ni-complex and ultimately racemic alkenyllithium.
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Affiliation(s)
- Irene Erdelmeier
- Institute of Organic Chemistry and Biochemistry, Technische Universität DarmstadtPetersenstrasse 2264287DarmstadtGermany
- Institute of Organic Chemistry, Albert-Ludwigs-Universität FreiburgAlbertstrasse 2179104FreiburgGermany
- Present Address: Innoverda38 Rue Dunois75013ParisFrance
| | - Joonghee Won
- Department of ChemistryKorea Advanced Institute of Science and Technology (KAIST)Daejeon34141Republic of Korea
- Center for Catalytic Hydrocarbon FunctionalizationsInstitute for Basic Science (IBS)Daejeon34141Republic of Korea
| | - Steve Park
- Center for Catalytic Hydrocarbon FunctionalizationsInstitute for Basic Science (IBS)Daejeon34141Republic of Korea
| | - Jürgen Decker
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152056AachenGermany
- Salierstrasse 3067373DudenhofenGermany
| | - Gerd Bülow
- Institute of Organic Chemistry, Albert-Ludwigs-Universität FreiburgAlbertstrasse 2179104FreiburgGermany
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152056AachenGermany
- Kurze Maräcker 167133Maxdorf/PfalzGermany
| | - Mu‐Hyun Baik
- Department of ChemistryKorea Advanced Institute of Science and Technology (KAIST)Daejeon34141Republic of Korea
- Center for Catalytic Hydrocarbon FunctionalizationsInstitute for Basic Science (IBS)Daejeon34141Republic of Korea
| | - Hans‐Joachim Gais
- Institute of Organic Chemistry and Biochemistry, Technische Universität DarmstadtPetersenstrasse 2264287DarmstadtGermany
- Institute of Organic Chemistry, Albert-Ludwigs-Universität FreiburgAlbertstrasse 2179104FreiburgGermany
- Institute of Organic ChemistryRWTH Aachen UniversityLandoltweg 152056AachenGermany
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14
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Wei J, Zhang WX, Xi Z. The aromatic dianion metalloles. Chem Sci 2017; 9:560-568. [PMID: 29675144 PMCID: PMC5883866 DOI: 10.1039/c7sc04454b] [Citation(s) in RCA: 83] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Accepted: 12/04/2017] [Indexed: 11/21/2022] Open
Abstract
Metalloaromatic species are unique and important both experimentally and theoretically. Significant progress has been made during the past few decades. New aromatic systems have challenged and extended the concept of aromaticity remarkably. In this perspective, recent results on the study of the dianion aromatic metalloles and their corresponding analogues are reviewed. These include the dilithio group 14 metalloles, group 13 metalloles and transition metal metalloles. X-ray crystallography has made a key contribution to the understanding of the structures. Various theoretical tools, such as NICS and AdNDP, make it possible to measure the aromaticity beyond Hückel's rule. The dianion butadiene skeletons play a key role in these metalloles and can be regarded as non-innocent ligands, which accept the electrons from the metal center and thus form the aromatic rings. By simply changing the central metals to different metals, the metallole analogues such as dicupra[10]annulenes and spiroaromatic palladoles can also be generated, which opens a door to synthesize other metalla-macrocyclic aromatics. Key challenges and envisioned opportunities for the future, such as applying these dianion metalloles as novel ligands of transition metals and generating new types of organometallic aromatic system, are also discussed.
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Affiliation(s)
- Junnian Wei
- Beijing National Laboratory for Molecular Sciences (BNLMS) , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry , Peking University , Beijing 100871 , China . ;
| | - Wen-Xiong Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS) , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry , Peking University , Beijing 100871 , China . ;
| | - Zhenfeng Xi
- Beijing National Laboratory for Molecular Sciences (BNLMS) , Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education , College of Chemistry , Peking University , Beijing 100871 , China . ;
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15
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Wang B, Zhang Q, Jiang J, Yu H, Fu Y. Mechanistic Study on Nickel-Catalyzed Silylation of Aryl Methyl Ethers. Chemistry 2017; 23:17249-17256. [DOI: 10.1002/chem.201703266] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Indexed: 12/17/2022]
Affiliation(s)
- Bing Wang
- Hefei National Laboratory for Physical Sciences at the Microscale; CAS Key Laboratory of Urban Pollutant Conversion; Anhui Province Key Laboratory of Biomass Clean Energy; iChEM; Department of Chemistry; University of Science and Technology of China; Hefei Anhui 230026 P.R. China
| | - Qi Zhang
- Institute of Industry & Equipment Technology; Hefei University of Technology; Hefei Anhui 230009 P.R. China
| | - Julong Jiang
- Hefei National Laboratory for Physical Sciences at the Microscale; CAS Key Laboratory of Urban Pollutant Conversion; Anhui Province Key Laboratory of Biomass Clean Energy; iChEM; Department of Chemistry; University of Science and Technology of China; Hefei Anhui 230026 P.R. China
| | - Haizhu Yu
- Department of Chemistry and Centre for Atomic Engineering; of Advanced Materials; Anhui University; Hefei Anhui 230601 P.R. China
| | - Yao Fu
- Hefei National Laboratory for Physical Sciences at the Microscale; CAS Key Laboratory of Urban Pollutant Conversion; Anhui Province Key Laboratory of Biomass Clean Energy; iChEM; Department of Chemistry; University of Science and Technology of China; Hefei Anhui 230026 P.R. China
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16
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Kojima K, Yang ZK, Wang C, Uchiyama M. Ethereal C-O Bond Cleavage Mediated by Ni(0)-Ate Complex: A DFT Study. Chem Pharm Bull (Tokyo) 2017; 65:862-868. [PMID: 28867714 DOI: 10.1248/cpb.c17-00487] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Density functional theory calculations were performed to explore the mechanism of Ni-catalyzed cross-coupling reactions involving organo-lithium and -zinc reagents through ethereal C-O bond cleavage. Based on this work, together with our previous mechanistic study on etheric Kumada-Tamao reaction, we identify and characterize a novel catalytic cycle for cross-coupling mediated by Ni(0)-ate complex.
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Affiliation(s)
- Kumiko Kojima
- Graduate School of Pharmaceutical Sciences, the University of Tokyo
| | - Ze-Kun Yang
- Graduate School of Pharmaceutical Sciences, the University of Tokyo.,Advanced Elements Chemistry Research Team, RIKEN Center for Sustainable Resource Science, and Elements Chemistry Laboratory, RIKEN
| | - Chao Wang
- Graduate School of Pharmaceutical Sciences, the University of Tokyo.,Advanced Elements Chemistry Research Team, RIKEN Center for Sustainable Resource Science, and Elements Chemistry Laboratory, RIKEN
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, the University of Tokyo.,Advanced Elements Chemistry Research Team, RIKEN Center for Sustainable Resource Science, and Elements Chemistry Laboratory, RIKEN
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17
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Tobisu M, Takahira T, Morioka T, Chatani N. Nickel-Catalyzed Alkylative Cross-Coupling of Anisoles with Grignard Reagents via C–O Bond Activation. J Am Chem Soc 2016; 138:6711-4. [DOI: 10.1021/jacs.6b03253] [Citation(s) in RCA: 113] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Mamoru Tobisu
- Department
of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Center
for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Tsuyoshi Takahira
- Department
of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Toshifumi Morioka
- Department
of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department
of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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18
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Titova YY, Belykh LB, Shmidt FK. Preparation method effect on the properties of Ziegler-type hydrogenation catalysts based on bis(acetylacetonato)cobalt. KINETICS AND CATALYSIS 2016. [DOI: 10.1134/s0023158416030125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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Campos J, López-Serrano J, Peloso R, Carmona E. Methyl Complexes of the Transition Metals. Chemistry 2016; 22:6432-57. [PMID: 26991740 DOI: 10.1002/chem.201504483] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Indexed: 01/11/2023]
Abstract
Organometallic chemistry can be considered as a wide area of knowledge that combines concepts of classic organic chemistry, that is, based essentially on carbon, with molecular inorganic chemistry, especially with coordination compounds. Transition-metal methyl complexes probably represent the simplest and most fundamental way to view how these two major areas of chemistry combine and merge into novel species with intriguing features in terms of reactivity, structure, and bonding. Citing more than 500 bibliographic references, this review aims to offer a concise view of recent advances in the field of transition-metal complexes containing M-CH3 fragments. Taking into account the impressive amount of data that are continuously provided by organometallic chemists in this area, this review is mainly focused on results of the last five years. After a panoramic overview on M-CH3 compounds of Groups 3 to 11, which includes the most recent landmark findings in this area, two further sections are dedicated to methyl-bridged complexes and reactivity.
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Affiliation(s)
- Jesús Campos
- Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford, OX1 3QR, UK
| | - Joaquín López-Serrano
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química, Avanzada (ORFEO-CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Cientificas (CSIC), Avenida Américo Vespucio 49, 41092, Sevilla, Spain
| | - Riccardo Peloso
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química, Avanzada (ORFEO-CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Cientificas (CSIC), Avenida Américo Vespucio 49, 41092, Sevilla, Spain
| | - Ernesto Carmona
- Instituto de Investigaciones Químicas (IIQ), Departamento de Química Inorgánica and Centro de Innovación en Química, Avanzada (ORFEO-CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Cientificas (CSIC), Avenida Américo Vespucio 49, 41092, Sevilla, Spain.
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20
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Molteni R, Bertermann R, Edkins K, Steffen A. An unexpected transmetalation intermediate: isolation and structural characterization of a solely CH3 bridged di-copper(i) complex. Chem Commun (Camb) 2016; 52:5019-22. [PMID: 26983362 DOI: 10.1039/c6cc01510g] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Structural characterization of unsupported, two metal centres bridging methyl groups is rare. They have been proposed as transmetalation intermediates in cuprate chemistry, but as yet no structural evidence has been presented. We have isolated a di-copper(i) complex with solely a methyl ligand bridging two Cu(i) atoms, representing a new bonding mode of CH3.
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Affiliation(s)
- Roberto Molteni
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
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21
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Curado N, Carrasco M, Álvarez E, Maya C, Peloso R, Rodríguez A, López-Serrano J, Carmona E. Lithium Di- and Trimethyl Dimolybdenum(II) Complexes with Mo–Mo Quadruple Bonds and Bridging Methyl Groups. J Am Chem Soc 2015; 137:12378-87. [DOI: 10.1021/jacs.5b07899] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Natalia Curado
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Mario Carrasco
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Eleuterio Álvarez
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Celia Maya
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Riccardo Peloso
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Amor Rodríguez
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Joaquín López-Serrano
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
| | - Ernesto Carmona
- Instituto de Investigaciones
Químicas (IIQ), Departamento de Química Inorgánica
and Centro de Innovación en Química Avanzada (ORFEO−CINQA), Universidad de Sevilla and Consejo Superior de Investigaciones Científicas (CSIC), Avenida Américo Vespucio, 49, 41092 Sevilla, Spain
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22
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Ogawa H, Minami H, Ozaki T, Komagawa S, Wang C, Uchiyama M. How and Why Does Ni
0
Promote Smooth Etheric CO Bond Cleavage and CC Bond Formation? A Theoretical Study. Chemistry 2015; 21:13904-8. [DOI: 10.1002/chem.201502114] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2015] [Indexed: 01/06/2023]
Affiliation(s)
- Hiroyuki Ogawa
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo‐to 113‐0033 (Japan)
- The Advanced Elements Chemistry Research Team, RIKEN CSRS and the Elements Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako‐shi, Saitama‐ken, 351‐0198 (Japan)
| | - Hiroki Minami
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo‐to 113‐0033 (Japan)
- The Advanced Elements Chemistry Research Team, RIKEN CSRS and the Elements Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako‐shi, Saitama‐ken, 351‐0198 (Japan)
| | - Takashi Ozaki
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo‐to 113‐0033 (Japan)
- The Advanced Elements Chemistry Research Team, RIKEN CSRS and the Elements Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako‐shi, Saitama‐ken, 351‐0198 (Japan)
| | - Shinsuke Komagawa
- The Advanced Elements Chemistry Research Team, RIKEN CSRS and the Elements Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako‐shi, Saitama‐ken, 351‐0198 (Japan)
- Faculty of Pharmaceutical Science at Kagawa Campus, Tokushima Bunri University, 1314‐1 Shido, Sanuki‐shi, Kagawa‐ken 769‐2193 (Japan)
| | - Chao Wang
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo‐to 113‐0033 (Japan)
- The Advanced Elements Chemistry Research Team, RIKEN CSRS and the Elements Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako‐shi, Saitama‐ken, 351‐0198 (Japan)
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7‐3‐1 Hongo, Bunkyo‐ku, Tokyo‐to 113‐0033 (Japan)
- The Advanced Elements Chemistry Research Team, RIKEN CSRS and the Elements Chemistry Laboratory, RIKEN, 2‐1 Hirosawa, Wako‐shi, Saitama‐ken, 351‐0198 (Japan)
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23
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Künzi SA, Sarria Toro JM, den Hartog T, Chen P. Nickel-katalysierte Cyclopropanierung mit NMe4
OTf und n
BuLi. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201505482] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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24
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Künzi SA, Sarria Toro JM, den Hartog T, Chen P. Nickel-Catalyzed Cyclopropanation with NMe4
OTf and n
BuLi. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/anie.201505482] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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25
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Wei J, Zhang Y, Zhang W, Xi Z. 1,3‐Butadienyl Dianions as Non‐Innocent Ligands: Synthesis and Characterization of Aromatic Dilithio Rhodacycles. Angew Chem Int Ed Engl 2015; 54:9986-90. [DOI: 10.1002/anie.201504521] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Indexed: 01/05/2023]
Affiliation(s)
- Junnian Wei
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871 (China)
| | - Yongliang Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871 (China)
| | - Wen‐Xiong Zhang
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871 (China)
| | - Zhenfeng Xi
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871 (China)
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26
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Wei J, Zhang Y, Zhang WX, Xi Z. 1,3-Butadienyl Dianions as Non-Innocent Ligands: Synthesis and Characterization of Aromatic Dilithio Rhodacycles. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504521] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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27
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Wei J, Zhang WX, Xi Z. Dianions as Formal Oxidants: Synthesis and Characterization of Aromatic Dilithionickeloles from 1,4-Dilithio-1,3-butadienes and [Ni(cod)2]. Angew Chem Int Ed Engl 2015; 54:5999-6002. [DOI: 10.1002/anie.201411009] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Indexed: 11/10/2022]
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28
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Wei J, Zhang WX, Xi Z. Dianions as Formal Oxidants: Synthesis and Characterization of Aromatic Dilithionickeloles from 1,4-Dilithio-1,3-butadienes and [Ni(cod)2]. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201411009] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Cornella J, Martin R. Ni-catalyzed stereoselective arylation of inert C-O bonds at low temperatures. Org Lett 2013; 15:6298-301. [PMID: 24252127 DOI: 10.1021/ol4031815] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A Ni-catalyzed arylation of inert C-O bonds that operates at temperatures as low as -40 °C is described. Unlike other methods for C-O bond cleavage utilizing organometallic species, this protocol operates at low temperatures, thus allowing the presence of sensitive functional groups with exquisite site-selectivity and stereoselectivity.
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Affiliation(s)
- Josep Cornella
- Institute of Chemical Research of Catalonia (ICIQ) , Av Països Catalans 16, 43007 Tarragona, Spain , and Catalan Institution for Research and Advanced Studies (ICREA) , Passeig Lluïs Companys, 23, 08010 Barcelona, Spain
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30
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Bühl M, Peters D, Herges R. Substituent effects on 61Ni NMR chemical shifts. Dalton Trans 2009:6037-44. [DOI: 10.1039/b902308a] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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31
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Pörschke K. Zur Lewis‐Acidität von Nickel(0), VI Dimethylmethylenoxosulfuran‐Komplexe von Nickel(0). ACTA ACUST UNITED AC 2006. [DOI: 10.1002/cber.19871200328] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Klaus‐Richard Pörschke
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
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32
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Pörschke K, Wilke G, Mynott R. Zur Lewis‐Acidität von Nickel(0), II. Methylentriorganylphosphoran‐Komplexe von Nickel(0). ACTA ACUST UNITED AC 2006. [DOI: 10.1002/cber.19851180127] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Klaus‐Richard Pörschke
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
| | - Günther Wilke
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
| | - Richard Mynott
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
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33
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Pörschke K, Jonas K, Wilke G. Zur Lewis‐Acidität von Nickel(O), IX. Alkyllithium‐Komplexe von Nickel(O). ACTA ACUST UNITED AC 2006. [DOI: 10.1002/cber.19881211107] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Klaus‐Richard Pörschke
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
| | - Klaus Jonas
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
| | - Günther Wilke
- Max‐Planck‐Institut für Kohlenforschung, Kaiser‐Wilhelm‐Platz 1, D‐4330 Mülheim a.d. Ruhr
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34
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Weng Z, Teo S, Koh LL, Hor TSA. A structurally characterized Ni–Al methyl-bridged complex with catalytic ethylene oligomerization activity. Chem Commun (Camb) 2006:1319-21. [PMID: 16538260 DOI: 10.1039/b517824j] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A bimetallic Ni-Al (2.5087(15) A) complex with an agostic alpha-C-H, [eta-C5H4CH=N(C6F5)]Fe[eta-C5H4PPh2]Ni(AlMe3), has been isolated and crystallographically established. The complex is active towards ethylene oligomerization/polymerization under moderate conditions.
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Affiliation(s)
- Zhiqiang Weng
- Institute of Chemical and Engineering Sciences, No. 1, Pesek Road, Jurong Island, Singapore 627833
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35
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Walfort B, Lameyer L, Weiss W, Herbst-Irmer R, Bertermann R, Rocha J, Stalke D. (MeLi)4(dem)1.5]infinity] and [(thf)3Li3M3[(NtBu)3S--how to reduce aggregation of parent methyllithium. Chemistry 2001; 7:1417-23. [PMID: 11330894 DOI: 10.1002/1521-3765(20010401)7:7<1417::aid-chem1417>3.0.co;2-q] [Citation(s) in RCA: 43] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Organolithium compounds play the leading role among the organometallic reagents in synthesis and in industrial processes. Up to date industrial application of methyllithium is limited because it is only soluble in diethyl ether, which amplifies various hazards in large-scale processes. However, most reactions require polar solvents like diethyl ether or THF to disassemble parent organolithium oligomers. If classical bidentate donor solvents like TMEDA (TMEDA= N,N,N',N'tetramethyl-1,2-ethanediamine) or DME (DME=1,2-dimethoxyethane) are added to methyllithium, tetrameric units are linked to form polymeric arrays that suffer from reduced reactivity and/or solubility. In this paper we present two different approaches to tune methyllithium aggregation. In [[(MeLi)4(dem)1,5)infinity] (1; DEM = EtOCH2OEt, diethoxymethane) a polymeric architecture is maintained that forms microporous soluble aggregates as a result of the rigid bite of the methylene-bridged bidentate donor base DEM. Wide channels of 720 pm in diameter in the structure maintain full solubility as they are coated with lipophilic ethyl groups and filled with solvent. In compound 1 the long-range Li3CH3...Li interactions found in solid [[(MeLi)4]infinity] are maintained. A different approach was successful in the disassembly of the tetrameric architecture of [((MeLi)4]infinity]. In the reaction of dilithium triazasulfite both the parent [(MeLi)4] tetramer and the [[Li2[(NtBu)3S]]2] dimer disintegrate and recombine to give an MeLi monomer stabilized in the adduct complex [(thf)3Li3Me-[(NtBu)3S]] (2). One side of the Li3 triangle, often found in organolithium chemistry, is shielded by the tripodal triazasulfite, while the other face is mu3-capped by the methanide anion. This Li3 structural motif is also present in organolithium tetramers and hexamers. All single-crystal structures have been confirmed through solid-state NMR experiments to be the same as in the bulk powder material.
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Affiliation(s)
- B Walfort
- Institut für Anorganische Chemie der Universität Würzburg, Germany
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