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Liu J, Sum K, Groizard T, Halet JF, Johnson SA. Theoretical and DFT Study of Atypical Pentanuclear [( iPr 3P)Ni] 5H n ( n = 4, 6, 8) Clusters: What are the Rules? Inorg Chem 2023; 62:20888-20900. [PMID: 38069675 DOI: 10.1021/acs.inorgchem.3c03335] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2023]
Abstract
The structure, bonding, and properties of a series of atypical pentanuclear nickel hydride clusters supported by electron-rich iPr3P of the type [(iPr3P)Ni]5Hn (n = 4, 6, 8; H4, H6, H8) and their anionic models where iPr3P are substituted by H- (H4', H6', H8') were investigated by density functional theory (DFT) calculations. All clusters were calculated to adopt a similar square pyramidal core geometry. Calculations indicate singlet ground states with small singlet-triplet gaps for H4 and H6, similar to previously reported experimental values. Molecular orbital theory description clusters were investigated using the simplified model complexes [HNi]5Hn5- (n = 4, 6, 8; H4', H6', H8'). The results show that there are three skeletal electron pairs (SEPs) in H4'. The addition of two molecules of H2 to form H6' and H8' results in the partial or full occupation of two degenerate MOs (e* set) that give two SEPs and one SEP, respectively. Indeed, the occupation of these low-lying weakly antibonding orbitals governs the multielectron chemistry available for these clusters and plays a role in their unique reactivity.
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Affiliation(s)
- Junyang Liu
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
| | - Kethya Sum
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
| | - Thomas Groizard
- Institut des Sciences Chimiques de Rennes (ISCR)─UMR 6226, Université Rennes, CNRS, F-35000 Rennes, France
- Laboratoire de Chimie Quantique, UMR7177, Institut Le Bel, Université de Strasbourg, CNRS, 4 rue Blaise Pascal, F-67000 Strasbourg, France
| | - Jean-François Halet
- Institut des Sciences Chimiques de Rennes (ISCR)─UMR 6226, Université Rennes, CNRS, F-35000 Rennes, France
- CNRS-Saint-Gobain─NIMS, IRL 3629, Laboratory for Innovative Key Materials and Structures (LINK), National Institute for Materials Science (NIMS), Tsukuba 305-0044, Japan
| | - Samuel A Johnson
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
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2
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Maiola ML, Buss JA. Accessing Ta/Cu Architectures via Metal-Metal Salt Metatheses: Heterobimetallic C-H Bond Activation Affords μ-Hydrides. Angew Chem Int Ed Engl 2023; 62:e202311721. [PMID: 37831544 DOI: 10.1002/anie.202311721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 10/12/2023] [Accepted: 10/13/2023] [Indexed: 10/15/2023]
Abstract
We employ a metal-metal salt metathesis strategy to access low-valent tantalum-copper heterometallic architectures (Ta-μ2 -H2 -Cu and Ta-μ3 -H2 -Cu3 ) that emulate structural elements proposed for surface alloyed nanomaterials. Whereas cluster assembly with carbonylmetalates is well precedented, the use of the corresponding polyarene transition metal anions is underexplored, despite recognition of these highly reactive fragments as storable sources of atomic Mn- . Our application of this strategy provides structurally unique early-late bimetallic species. These complexes incorporate bridging hydride ligands during their syntheses, the origin of which is elucidated via detailed isotopic labelling studies. Modification of ancillary ligand sterics and electronics alters the mechanism of bimetallic assembly; a trinuclear complex resulting from dinuclear C-H activation is demonstrated as an intermediate en route to formation of the bimetallic. Further validating the promise of this rational, bottom-up approach, a unique tetranuclear species was synthesized, featuring a Ta centre bearing three Ta-Cu interactions.
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Affiliation(s)
- Michela L Maiola
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109, USA
| | - Joshua A Buss
- Willard Henry Dow Laboratory, Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, MI 48109, USA
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3
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Liu J, Shoshani MM, Sum K, Johnson SA. Breaking bonds and breaking rules: inert-bond activation by [( iPr 3P)Ni] 5H 4 and catalytic stereospecific norbornene dimerization. Chem Commun (Camb) 2023; 59:3542-3545. [PMID: 36689211 DOI: 10.1039/d2cc06681e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
The facile carbon atom abstraction reaction by [(iPr3P)Ni]5H6 (1) with various terminal alkenes to give [(iPr3P)Ni]5H4(μ5-C) (2) occurs via a common highly reactive intermediate [(iPr3P)Ni]5H4 (3), which was isolated by the reaction of 1 with norbornene. Temperature dependent 1H and 31P{1H} NMR chemical shifts of 3 are consistent with a thermally populated triplet excited state only 2 kcal mol-1 higher energy than the diamagnetic ground state. Complex 3 catalyzes the dimerization of norbornene to stereoselectively provide exclusively (Z) anti-(bis-2,2'-norbornylidene).
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Affiliation(s)
- Junyang Liu
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada.
| | - Manar M Shoshani
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada.
| | - Kethya Sum
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada.
| | - Samuel A Johnson
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada.
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4
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De Leon E, Gonzalez F, Bauskar P, Gonzalez-Eymard S, De Los Santos D, Shoshani MM. Amplifying Reactivity of Metal Hydrides: A Heterotrimetallic NiAl 2(μ 2-H) 2 Catalyst for the Dearomatization of N-Heterocycles. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Affiliation(s)
- Edgardo De Leon
- Department of Chemistry, University of Texas Rio Grande Valley, 1 W. University Blvd. Brownsville, Texas 78520, United States
| | - Fernando Gonzalez
- Department of Chemistry, University of Texas Rio Grande Valley, 1 W. University Blvd. Brownsville, Texas 78520, United States
| | - Preetika Bauskar
- Department of Chemistry, University of Texas Rio Grande Valley, 1 W. University Blvd. Brownsville, Texas 78520, United States
| | - Sergio Gonzalez-Eymard
- Department of Chemistry, University of Texas Rio Grande Valley, 1 W. University Blvd. Brownsville, Texas 78520, United States
| | - David De Los Santos
- Department of Chemistry, University of Texas Rio Grande Valley, 1 W. University Blvd. Brownsville, Texas 78520, United States
| | - Manar M. Shoshani
- Department of Chemistry, University of Texas Rio Grande Valley, 1 W. University Blvd. Brownsville, Texas 78520, United States
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5
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Xiao K, Jin C, Zhou K, Wang W, Zhao L. Stepwise Polymetalation around an sp 3 Benzyl Carbon Atom. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kui Xiao
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Cong Jin
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Keting Zhou
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Wan Wang
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Liang Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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6
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Zhou Y, Klinger GE, Hegg EL, Saffron CM, Jackson JE. Skeletal Ni electrode-catalyzed C-O cleavage of diaryl ethers entails direct elimination via benzyne intermediates. Nat Commun 2022; 13:2050. [PMID: 35440551 PMCID: PMC9018776 DOI: 10.1038/s41467-022-29555-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 03/11/2022] [Indexed: 11/20/2022] Open
Abstract
Diaryl ethers undergo electrocatalytic hydrogenolysis (ECH) over skeletal Ni cathodes in a mild, aqueous process that achieves direct C-O cleavage without initial benzene ring saturation. Mechanistic studies find that aryl phenyl ethers with a single para or meta functional group (methyl, methoxy, or hydroxy) are selectively cleaved to the substituted benzene and phenol, in contrast to recently reported homogeneous catalytic cleavage processes. Ortho positioning of substituents reverses this C-O bond selectivity, except for the 2-phenoxyphenol case. Together with isotope labeling and co-solvent studies, these results point to two distinct cleavage mechanisms: (a) dual-ring coordination and C-H activation, leading to vicinal elimination to form phenol and a surface-bound aryne intermediate which is then hydrogenated and released as the arene; and (b) surface binding in keto form by the phenolic ring of the hydroxy-substituted substrates, followed by direct displacement of the departing phenol. Notably, acetone inhibits the well-known reduction of phenol to cyclohexanol, affording control of product ring saturation. A byproduct of this work is the discovery that the ECH treatment completely defluorinates substrates bearing aromatic C-F and C-CF3 groupings. Biomass conversion holds promise as a more sustainable source of platform chemicals, but limitations in the ways in which lignin can be broken down is a current bottleneck. Here the authors report an electrocatalytic hydrogenolysis over skeletal Ni that cleaves diaryl ethers, chemically resistant moieties in both renewable carbon sources and persistent organic pollutants.
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Affiliation(s)
- Yuting Zhou
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA.
| | - Grace E Klinger
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA.,Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, 48824, USA
| | - Eric L Hegg
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, 48824, USA
| | - Christopher M Saffron
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI, 48824, USA.,Department of Chemical Engineering and Material Science, Michigan State University, East Lansing, MI, 48824, USA
| | - James E Jackson
- Department of Chemistry, Michigan State University, East Lansing, MI, 48824, USA.
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7
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Abstract
Carbide complexes remain a rare class of molecules. Their paucity does not reflect exceptional instability but is rather due to the generally narrow scope of synthetic procedures for constructing carbide complexes. The preparation of carbide complexes typically revolves around generating LnM-CEx fragments, followed by cleavage of the C-E bonds of the coordinated carbon-based ligands (the alternative being direct C atom transfer). Prime examples involve deoxygenation of carbonyl ligands and deprotonation of methyl ligands, but several other p-block fragments can be cleaved off to afford carbide ligands. This Review outlines synthetic strategies toward terminal carbide complexes, bridging carbide complexes, as well as carbide-carbonyl cluster complexes. It then surveys the reactivity of carbide complexes, covering stoichiometric reactions where the carbide ligands act as C1 reagents, engage in cross-coupling reactions, and enact Fischer-Tropsch-like chemistry; in addition, we discuss carbide complexes in the context of catalysis. Finally, we examine spectroscopic features of carbide complexes, which helps to establish the presence of the carbide functionality and address its electronic structure.
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Affiliation(s)
- Anders Reinholdt
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Jesper Bendix
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
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8
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Spentzos AZ, Tomson NC. Mapping the Reactivity of Dicobalt Bridging Nitrides in Constrained Geometries. Inorg Chem 2021; 60:6889-6899. [PMID: 33688727 DOI: 10.1021/acs.inorgchem.0c03774] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Low-nuclearity nitrides of the late transition metals are rare and reactive molecular species, with little experimental precedent. The first putative examples of dicobalt bridging nitrides, [(nPDI2)Co2(μ-N)(PMe3)2][OTf]3 (n[Co2N]3+; PDI = pyridyldiimine; n = 2 or 3, representing the length of the aliphatic chain linking PDI imino groups), were reported recently and shown to undergo a range of intramolecular reaction pathways, including N-H bond formation, C-H bond insertion, and P═N bond formation at the bridging nitride. The specific mode of reactivity changed with the phase of the reaction and the size of the macrocycle used to support the transient species. The present contribution offers a computational investigation into both the geometric and electronic structures of these nitrides as well as the factors governing their reaction selectivity. The compounds n[Co2N]3+ exhibit μ-N-based lowest unoccupied molecular orbitals (LUMOs) that are consistent with subvalent, electrophilic nitrides. The specific orientations of the LUMOs induce ring-size-dependent stereoelectronic effects, thereby causing the product selectivity observed experimentally. Notably, the nitrides also exhibit a degree of nucleophilicity at μ-N by way of a high-energy, μ-N-based lone pair. This ambiphilic character appears to be a direct result of the constrained environment imposed by the folded-ligand geometries of n[Co2N]3+. When combined with the experimental findings, these data led to the conclusion that the folded-ligand isomers are the reactive species and that the constrained geometry imposed by the macrocyclic ligand plays an important role in controlling the reaction outcome.
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Affiliation(s)
- Ariana Z Spentzos
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
| | - Neil C Tomson
- Roy and Diana Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, United States
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9
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Takao T, Suzuki H, Shimogawa R. Syntheses and Properties of Triruthenium Polyhydrido Complexes Composed of 1,2,4-tri- tert-butylcyclopentadienyl and p-Cymene Ruthenium Units. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Toshiro Takao
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Hidenori Suzuki
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
| | - Ryuichi Shimogawa
- Department of Chemical Science and Engineering, School of Materials and Chemical Technology, Tokyo Institute of Technology, 2-12-1 O-okayama, Meguro-ku, Tokyo 152-8552, Japan
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10
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Wang Q, Brooks SH, Liu T, Tomson NC. Tuning metal-metal interactions for cooperative small molecule activation. Chem Commun (Camb) 2021; 57:2839-2853. [PMID: 33624638 PMCID: PMC8274379 DOI: 10.1039/d0cc07721f] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cluster complexes have attracted interest for decades due to their promise of drawing analogies to metallic surfaces and metalloenzyme active sites, but only recently have chemists started to develop ligand scaffolds that are specifically designed to support multinuclear transition metal cores. Such ligands not only hold multiple metal centers in close proximity but also allow for fine-tuning of their electronic structures and surrounding steric environments. This Feature Article highlights ligand designs that allow for cooperative small molecule activation at cluster complexes, with a particular focus on complexes that contain metal-metal bonds. Two useful ligand-design elements have emerged from this work: a degree of geometric flexibility, which allows for novel small molecule activation modes, and the use of redox-active ligands to provide electronic flexibility to the cluster core. The authors have incorporated these factors into a unique class of dinucleating macrocycles (nPDI2). Redox-active fragments in nPDI2 mimic the weak-overlap covalent bonding that is characteristic of M-M interactions, and aliphatic linkers in the ligand backbone provide geometric flexibility, allowing for interconversion between a range of geometries as the dinuclear core responds to the requirements of various small molecule substrates. The union of these design elements appears to be a powerful combination for analogizing critical aspects of heterogeneous and metalloenzyme catalysts.
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Affiliation(s)
- Qiuran Wang
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, USA.
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11
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Shoshani MM, Agapie T. Ligand architecture for triangular metal complexes: a high oxidation state Ni 3 cluster with proximal metal arrangement. Chem Commun (Camb) 2020; 56:11279-11282. [PMID: 32832943 DOI: 10.1039/d0cc03816d] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new multidentate tetraanionic ligand platform for supporting trinuclear transition metal clusters has been developed. Two trisphenoxide phosphinimide ligands bind three Ni centers in a triangular arrangement. The phosphinimide donors bridge in μ3 fashion and the phenoxides complete a pseudo-square planar coordination sphere around each metal center. Electrochemical studies reveal two pseudo-reversible oxidation events at notably low potentials (-0.80 V and +0.05 V). The one electron oxidized species was characterized structurally, and it is assigned as a NiIII-containing cluster.
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Affiliation(s)
- Manar M Shoshani
- Department of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA.
| | - Theodor Agapie
- Department of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, USA.
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12
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Spentzos AZ, Gau MR, Carroll PJ, Tomson NC. Unusual cyanide and methyl binding modes at a dicobalt macrocycle following acetonitrile C-C bond activation. Chem Commun (Camb) 2020; 56:9675-9678. [PMID: 32696777 PMCID: PMC7442599 DOI: 10.1039/d0cc03521a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This communication describes the C-C bond activation of acetonitrile and the trapping of the methyl and cyanide fragments by macrocyclic, dicobalt complexes. Both products display unique structural features as a result of the constraints imposed by the macrocycle. The bridged species [(3PDI2)Co2(μ-CN)(PMe3)2][OTf] ([Co2CN]+) exhibits atypical Co-CN-Co binding, and upon either phosphine dissociation or oxidation, the flexible ligand framework is able to switch between different binding modes of μ-cyanide. Further, the bridging methyl species [(3PDI2)Co2(μ-CH3)(PMe3)][OTf] ([Co2CH3]+) is the first structurally characterized dicobalt complex with a bridging methyl group.
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Affiliation(s)
- Ariana Z Spentzos
- P. Roy and Diana T. Vagelos Laboratories, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania 19104, USA.
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13
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Ishihara K, Araki Y, Tada M, Takayama T, Sakai Y, Sameera WMC, Ohki Y. Synthesis of Dinuclear Mo-Fe Hydride Complexes and Catalytic Silylation of N 2. Chemistry 2020; 26:9537-9546. [PMID: 32180271 DOI: 10.1002/chem.202000104] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Revised: 02/24/2020] [Indexed: 11/08/2022]
Abstract
Two transition-metal atoms bridged by hydrides may represent a useful structural motif for N2 activation by molecular complexes and the enzyme active site. In this study, dinuclear MoIV -FeII complexes with bridging hydrides, CpR Mo(PMe3 )(H)(μ-H)3 FeCp* (2 a; CpR =Cp*=C5 Me5 , 2 b; CpR =C5 Me4 H), were synthesized via deprotonation of CpR Mo(PMe3 )H5 (1 a; CpR =Cp*, 1 b; CpR =C5 Me4 H) by Cp*FeN(SiMe3 )2 , and they were characterized by spectroscopy and crystallography. These Mo-Fe complexes reveal the shortest Mo-Fe distances ever reported (2.4005(3) Å for 2 a and 2.3952(3) Å for 2 b), and the Mo-Fe interactions were analyzed by computational studies. Removal of the terminal Mo-H hydride in 2 a-2 b by [Ph3 C]+ in THF led to the formation of cationic THF adducts [CpR Mo(PMe3 )(THF)(μ-H)3 FeCp*]+ (3 a; CpR =Cp*, 3 b; CpR =C5 Me4 H). Further reaction of 3 a with LiPPh2 gave rise to a phosphido-bridged complex Cp*Mo(PMe3 )(μ-H)(μ-PPh2 )FeCp* (4). A series of Mo-Fe complexes were subjected to catalytic silylation of N2 in the presence of Na and Me3 SiCl, furnishing up to 129±20 equiv of N(SiMe3 )3 per molecule of 2 b. Mechanism of the catalytic cycle was analyzed by DFT calculations.
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Affiliation(s)
- Kodai Ishihara
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan
| | - Yuna Araki
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan
| | - Mizuki Tada
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan.,Integrated Research Consortium on Chemical Sciences (IRCCS), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan
| | - Tsutomu Takayama
- Department of Chemistry, Daido University, Takiharu-cho, Minami-ku, Nagoya, 457-8530, Japan
| | - Yoichi Sakai
- Department of Chemistry, Daido University, Takiharu-cho, Minami-ku, Nagoya, 457-8530, Japan
| | - W M C Sameera
- Institute of Low Temperature Science, Hokkaido University, Sapporo, 060-0819, Japan
| | - Yasuhiro Ohki
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan
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15
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Cai X, Hu W, Xu S, Yang D, Chen M, Shu M, Si R, Ding W, Zhu Y. Structural Relaxation Enabled by Internal Vacancy Available in a 24-Atom Gold Cluster Reinforces Catalytic Reactivity. J Am Chem Soc 2020; 142:4141-4153. [DOI: 10.1021/jacs.9b07761] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Xiao Cai
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Weigang Hu
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Shun Xu
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Dan Yang
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Mingyang Chen
- Center for Green Innovation, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China
- Beijing Computational Science Research Center, Beijing 100193, China
| | - Miao Shu
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai 201204, China
| | - Rui Si
- Shanghai Synchrotron Radiation Facility, Zhangjiang Laboratory, Shanghai 201204, China
| | - Weiping Ding
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
| | - Yan Zhu
- School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
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16
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Zhang X, Chen X, Zhai H, Liu S, Hu C, Liu LL, Wang S, Li Z. Facile addition of E–H bonds to a dicarbondiphosphide. Dalton Trans 2020; 49:6384-6390. [DOI: 10.1039/d0dt01341b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Charge transfer at P atoms in an N-heterocyclic carbene stabilized 6π-electron aromatic dicarbondiphosphide 1 has been observed upon interaction with a variety of small molecule substrates that feature a polar E–H bond (E = C, N, and O).
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Affiliation(s)
- Xu Zhang
- College of Chemistry and Materials Science
- Jinan University
- 510632 Guangzhou
- China
| | - Xiaodan Chen
- College of Chemistry and Materials Science
- Jinan University
- 510632 Guangzhou
- China
| | - Haojiang Zhai
- Lehn Institute of Functional Materials (LIFM)
- School of Chemistry
- Sun Yat-Sen University
- 510275 Guangzhou
- China
| | - Shihua Liu
- Lehn Institute of Functional Materials (LIFM)
- School of Chemistry
- Sun Yat-Sen University
- 510275 Guangzhou
- China
| | - Chenyang Hu
- Shenzhen Grubbs Institute and Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
| | - Liu Leo Liu
- Shenzhen Grubbs Institute and Department of Chemistry
- Southern University of Science and Technology
- Shenzhen 518055
- China
| | - Shuhai Wang
- School of Chemistry and Chemical Engineering
- Linyi University
- 276000 Linyi
- China
| | - Zhongshu Li
- Lehn Institute of Functional Materials (LIFM)
- School of Chemistry
- Sun Yat-Sen University
- 510275 Guangzhou
- China
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17
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Dunn PL, Chatterjee S, MacMillan SN, Pearce AJ, Lancaster KM, Tonks IA. The 4-Electron Cleavage of a N═N Double Bond by a Trimetallic TiNi2 Complex. Inorg Chem 2019; 58:11762-11772. [DOI: 10.1021/acs.inorgchem.9b01805] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Peter L. Dunn
- Department of Chemistry, University of Minnesota—Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Sudipta Chatterjee
- Baker Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Samantha N. MacMillan
- Baker Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Adam J. Pearce
- Department of Chemistry, University of Minnesota—Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
| | - Kyle M. Lancaster
- Baker Laboratory, Department of Chemistry and Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Ian A. Tonks
- Department of Chemistry, University of Minnesota—Twin Cities, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
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18
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Cai X, Saranya G, Shen K, Chen M, Si R, Ding W, Zhu Y. Reversible Switching of Catalytic Activity by Shuttling an Atom into and out of Gold Nanoclusters. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201903853] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiao Cai
- Key Lab of Mesoscopic ChemistrySchool of Chemistry and Chemical EngineeringNanjing University Nanjing 210093 China
| | | | - Kangqi Shen
- Beijing Computational Science Research Center Beijing 100193 China
| | - Mingyang Chen
- Beijing Computational Science Research Center Beijing 100193 China
| | - Rui Si
- Shanghai Radiation FacilityShanghai Institute of Applied PhysicsChinese Academy of Sciences Shanghai 201204 China
| | - Weiping Ding
- Key Lab of Mesoscopic ChemistrySchool of Chemistry and Chemical EngineeringNanjing University Nanjing 210093 China
| | - Yan Zhu
- Key Lab of Mesoscopic ChemistrySchool of Chemistry and Chemical EngineeringNanjing University Nanjing 210093 China
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19
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Cai X, Saranya G, Shen K, Chen M, Si R, Ding W, Zhu Y. Reversible Switching of Catalytic Activity by Shuttling an Atom into and out of Gold Nanoclusters. Angew Chem Int Ed Engl 2019; 58:9964-9968. [PMID: 31106477 DOI: 10.1002/anie.201903853] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 04/30/2019] [Indexed: 02/05/2023]
Abstract
It is challenging to control the catalyst activation and deactivation by removal and addition of only one central atom, as it is almost impossible to precisely abstract an atom from a conventional catalyst and analyze its catalysis. Here we report that the loss of one central atom in Au25 (resulting in Au24 ) enhances the catalytic activity in the oxidation of methane compared to the original Au25 . More importantly, the activity can be readily switched through shuttling the central atom into Au24 and out of Au25 . This work will serve as a starting point for design rules on how to control catalytic performance of a catalyst by an atom alteration.
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Affiliation(s)
- Xiao Cai
- Key Lab of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | | | - Kangqi Shen
- Beijing Computational Science Research Center, Beijing, 100193, China
| | - Mingyang Chen
- Beijing Computational Science Research Center, Beijing, 100193, China
| | - Rui Si
- Shanghai Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai, 201204, China
| | - Weiping Ding
- Key Lab of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
| | - Yan Zhu
- Key Lab of Mesoscopic Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210093, China
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20
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Reinholdt A, Majer SH, Gelardi RM, MacMillan SN, Hill AF, Wendt OF, Lancaster KM, Bendix J. An Approach to Carbide-Centered Cluster Complexes. Inorg Chem 2019; 58:4812-4819. [DOI: 10.1021/acs.inorgchem.8b03222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Anders Reinholdt
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Sean H. Majer
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853, United States
| | - Rikke M. Gelardi
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
| | - Samantha N. MacMillan
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853, United States
| | - Anthony F. Hill
- Research School of Chemistry, Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | - Ola F. Wendt
- Centre for Analysis and Synthesis, Department of Chemistry, Lund University, P.O. Box 124, 22100 Lund, Sweden
| | - Kyle M. Lancaster
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853, United States
| | - Jesper Bendix
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, DK-2100 Copenhagen, Denmark
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21
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Shitaya S, Nomura K, Inagaki A. Synthesis of di- and trinuclear iridium polyhydride complexes surrounded by light-absorbing ligands. Dalton Trans 2018; 47:12046-12050. [PMID: 29872816 DOI: 10.1039/c8dt00998h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
New di- and trinuclear iridium (Ir) penta- and hexahydride complexes containing light-absorbing diphosphine ligands have been developed. The trinuclear Ir complex possessed a higher absorption coefficient (standardized per Ir) than that of the parent mononuclear Ir complex, indicating the assembly effect. The trinuclear complex showed high reactivity toward catalytic hydrogenation of diphenylacetylene under mild conditions, and the reaction was considerably accelerated under photoirradiation.
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Affiliation(s)
- Shoji Shitaya
- Department of Chemistry, Graduate School of Science and Engineering, Tokyo Metropolitan University, Minami-Osawa 1-1, Hachioji, Tokyo, 192-0397, Japan.
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22
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Shoshani MM, Semeniuchenko V, Johnson SA. Dismantling of Vinyl Ethers by Pentanuclear [(iPr 3 P)Ni] 5 H 6 : Facile Cooperative C-O, C-C and C-H Activation Pathways. Chemistry 2018; 24:14282-14289. [PMID: 29979825 DOI: 10.1002/chem.201803451] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Indexed: 12/22/2022]
Abstract
The [(iPr3 P)Ni]5 H6 cluster (1) and H2 C=CHOtBu react at room temperature to form the new pentanuclear NiH carbide [(iPr3 P)Ni]5 H4 (C)(CO) (3), along with an equivalent of isobutylene. This transformation requires the activation of multiple unreactive bonds, including C-H, C-C, and C(sp3 )-O bond cleavage. Analysis of the reaction mixture by 1 H NMR revealed the production of two additional paramagnetic species, assigned as [(iPr3 P)Ni]4 H4 (C-CH3 )NiOtBu (4 a) and [(iPr3 P)Ni]4 H4 (C-CH2 OtBu)NiOtBu (5 a), which arise from C(sp2 )-O bond cleavage and CH bond rearrangements. The reaction of 1 with H2 C=CHOSiMe2 CH2 Ph produced the isolable 4 a analogue [(iPr3 P)4 Ni5 ]H4 (CCH3 )(OSiMe2 CH2 Ph) (4 c). An isolable analogue of 5 a was obtained from the reaction of 1 with H2 C=CHOAd (Ad=1-admantyl), which produced [(iPr3 P)4 Ni5 ]H4 (CCH2 OAd)(OAd) (5 d). The utilization of both cluster faces and vertices for bonding substrate fragments in these transformations demonstrates the remarkable flexibility of the robust Ni5 H4 core in the cooperative activation of multiple C-O, C-C and C-H bonds.
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Affiliation(s)
- Manar M Shoshani
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada
| | - Volodymyr Semeniuchenko
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada
| | - Samuel A Johnson
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B 3P4, Canada
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23
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Wang L, Chai X, Cheng X, Zhu Y. Structure-Specific Catalytic Oxidation with O2
by Isomers in Au28
(SR)20
Nanoclusters. ChemistrySelect 2018. [DOI: 10.1002/slct.201800914] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Liqun Wang
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; No. 163 Xianlin Road Nanjing 210093 China
| | - Xiaoqi Chai
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; No. 163 Xianlin Road Nanjing 210093 China
| | - Xinglian Cheng
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; No. 163 Xianlin Road Nanjing 210093 China
| | - Yan Zhu
- Key Lab of Mesoscopic Chemistry; School of Chemistry and Chemical Engineering; Nanjing University; No. 163 Xianlin Road Nanjing 210093 China
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24
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Zhang T, Zhang X, Chung LW. Computational Insights into the Reaction Mechanisms of Nickel-Catalyzed Hydrofunctionalizations and Nickel-Dependent Enzymes. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201700645] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Tonghuan Zhang
- Department of Chemistry; South University of Science and Technology of China (SUSTech); Shenzhen 518055 China
- Lab of Computational Chemistry and Drug Design; Key Laboratory of Chemical Genomics; Peking University Shenzhen Graduate School; Shenzhen 518055 China
| | - Xiaoyong Zhang
- Department of Chemistry; South University of Science and Technology of China (SUSTech); Shenzhen 518055 China
| | - Lung Wa Chung
- Department of Chemistry; South University of Science and Technology of China (SUSTech); Shenzhen 518055 China
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25
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Shoshani MM, Liu J, Johnson SA. Mechanistic Insight into H/D Exchange by a Pentanuclear Ni–H Cluster and Synthesis and Characterization of Structural Analogues of Potential Intermediates. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00763] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Manar M. Shoshani
- Department of Chemistry and
Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B
3P4, Canada
| | - Junyang Liu
- Department of Chemistry and
Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B
3P4, Canada
| | - Samuel A. Johnson
- Department of Chemistry and
Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, ON, N9B
3P4, Canada
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26
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Shoshani MM, Beck R, Wang X, McLaughlin MJ, Johnson SA. Synthesis of Surface-Analogue Square-Planar Tetranuclear Nickel Hydride Clusters and Bonding to μ4-NR, -O and -BH Ligands. Inorg Chem 2017; 57:2438-2446. [DOI: 10.1021/acs.inorgchem.7b02546] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Manar M. Shoshani
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
| | - Robert Beck
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
| | - Xiaoping Wang
- Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Matthew J. McLaughlin
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
| | - Samuel A. Johnson
- Department of Chemistry and Biochemistry, University of Windsor, Sunset Avenue 401, Windsor, Ontario N9B 3P4, Canada
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27
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Ishikawa Y, Kimura S, Yamamoto K, Murahashi T. Bridging Coordination of Vinylarenes to Pd3
- or Pd4
Cluster Sites. Chemistry 2017; 23:14149-14152. [DOI: 10.1002/chem.201703023] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Yuki Ishikawa
- Department of Chemical Science and Engineering; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8552 Japan
| | - Seita Kimura
- Department of Applied Chemistry; Graduate School of Engineering, Osaka University, Suita; Osaka 565-0871 Japan
| | - Koji Yamamoto
- Department of Chemical Science and Engineering; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8552 Japan
| | - Tetsuro Murahashi
- Department of Chemical Science and Engineering; Tokyo Institute of Technology, O-okayama, Meguro-ku; Tokyo 152-8552 Japan
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