1
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Nakanishi K, Lugo-Fuentes LI, Manabe J, Guo R, Kikkawa S, Yamazoe S, Komaguchi K, Kume S, Szczepanik DW, Solà M, Jimenez-Halla JOC, Nishihara S, Kubo K, Nakamoto M, Yamamoto Y, Mizuta T, Shang R. Redox Activity of Ir III Complexes with Multidentate Ligands Based on Dipyrido-Annulated N-Heterocyclic Carbenes: Access to High Valent and High Spin State with Carbon Donors. Chemistry 2023; 29:e202302303. [PMID: 37553318 DOI: 10.1002/chem.202302303] [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: 07/24/2023] [Revised: 08/08/2023] [Accepted: 08/08/2023] [Indexed: 08/10/2023]
Abstract
Synthetic strategies to access high-valent iridium complexes usually require use of π donating ligands bearing electronegative atoms (e. g. amide or oxide) or σ donating electropositive atoms (e. g. boryl or hydride). Besides the η5 -(methyl)cyclopentadienyl derivatives, high-valent η1 carbon-ligated iridium complexes are challenging to synthesize. To meet this challenge, this work reports the oxidation behavior of an all-carbon-ligated anionic bis(CCC-pincer) IrIII complex. Being both σ and π donating, the diaryl dipyrido-annulated N-heterocyclic carbene (dpa-NHC) IrIII complex allowed a stepwise 4e- oxidation sequence. The first 2e- oxidation led to an oxidative coupling of two adjacent aryl groups, resulting in formation of a cationic chiral IrIII complex bearing a CCCC-tetradentate ligand. A further 2e- oxidation allowed isolation of a high-valent tricationic complex with a triplet ground state. These results close a synthetic gap for carbon-ligated iridium complexes and demonstrate the electronic tuning potential of organic π ligands for unusual electronic properties.
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Affiliation(s)
- Kazuki Nakanishi
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Leonardo I Lugo-Fuentes
- Department of Chemistry, Division of Natural and Exact Sciences, University of Guanajuato, Campus Gto, Noria Alta s/n, 36050, Guanajuato, Mexico
| | - Jun Manabe
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Ronghao Guo
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Soichi Kikkawa
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Seiji Yamazoe
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Tokyo, 192-0397, Japan
| | - Kenji Komaguchi
- Department of Applied Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, 739-8527, Japan
| | - Shoko Kume
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Dariusz W Szczepanik
- K. Guminski Department of Theoretical Chemistry, Faculty of Chemistry, Jagiellonian University, Gronostajowa, 2, 30-387, Kraków, Poland
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/Maria Aurèlia Capmany, 69, 17003, Girona, Catalonia, Spain
| | - J Oscar C Jimenez-Halla
- Department of Chemistry, Division of Natural and Exact Sciences, University of Guanajuato, Campus Gto, Noria Alta s/n, 36050, Guanajuato, Mexico
| | - Sadafumi Nishihara
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Kazuyuki Kubo
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Masaaki Nakamoto
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Yohsuke Yamamoto
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Tsutomu Mizuta
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
| | - Rong Shang
- Department of Chemistry, Graduate School of Advanced Science and Engineering, Hiroshima University, 1-3-1 Kagamiyama, Higashi-Hiroshima, 739-8526, Japan
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2
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Stevens JE, Moore CE, Thomas CM. Si-H Bond Activation and Dehydrogenative Coupling of Silanes across the Iron-Amide Bond of a Bis(amido)bis(phosphine) Iron(II) Complex. J Am Chem Soc 2023; 145:794-799. [PMID: 36594789 DOI: 10.1021/jacs.2c12157] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Despite the utility of Si-Si bonds, there are relatively few examples of Si-Si bond formation by base metals. In this work, a four-coordinate iron complex, (PNNP)FeII, is shown to strongly activate the Si-H bonds in primary silanes across the Fe-amide bonds in a metal-ligand cooperative fashion. Upon treatment with excess silane, Si-Si dehydrogenative homocoupling is shown to occur across the Fe-Namide bond without concomitant oxidation and spin state changes at the Fe center.
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Affiliation(s)
- Jeremiah E Stevens
- Department of Chemistry and Biochemistry, The Ohio State University, 100 W. 18th Avenue, Columbus, Ohio 43210, United States
| | - Curtis E Moore
- Department of Chemistry and Biochemistry, The Ohio State University, 100 W. 18th Avenue, Columbus, Ohio 43210, United States
| | - Christine M Thomas
- Department of Chemistry and Biochemistry, The Ohio State University, 100 W. 18th Avenue, Columbus, Ohio 43210, United States
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3
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Dutschke PD, Tsui BTH, von Bremen-Kühne M, Morris RH, Hahn FE. Methanol-Mediated Formation of an Iridium(III) NHC/Azolato Chelate Complex: An Experimental and Theoretical Study. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Affiliation(s)
- Patrick D. Dutschke
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, Münster D-48149, Germany
| | - Brian Tsz Ho Tsui
- Department of Chemistry, University of Toronto, 89 Saint George St. Toronto, Ontario M5S 3H6, Canada
| | - Maximilian von Bremen-Kühne
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, Münster D-48149, Germany
| | - Robert H. Morris
- Department of Chemistry, University of Toronto, 89 Saint George St. Toronto, Ontario M5S 3H6, Canada
| | - F. Ekkehardt Hahn
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, Münster D-48149, Germany
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4
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Babón JC, Esteruelas MA, Oñate E, Paz S, Vélez A. Silyl-Osmium(IV)-Trihydride Complexes Stabilized by a Pincer Ether-Diphosphine: Formation and Reactions with Alkynes. Organometallics 2022; 41:2022-2034. [PMID: 36866234 PMCID: PMC9969874 DOI: 10.1021/acs.organomet.2c00201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Indexed: 11/28/2022]
Abstract
Complex OsH4{κ3-P,O,P-[xant(PiPr2)2]} (1) activates the Si-H bond of triethylsilane, triphenylsilane, and 1,1,1,3,5,5,5-heptamethyltrisiloxane to give the silyl-osmium(IV)-trihydride derivatives OsH3(SiR3){κ3-P,O,P-[xant(PiPr2)2]} [SiR3 = SiEt3 (2), SiPh3 (3), SiMe(OSiMe3)2 (4)] and H2. The activation takes place via an unsaturated tetrahydride intermediate, resulting from the dissociation of the oxygen atom of the pincer ligand 9,9-dimethyl-4,5-bis(diisopropylphosphino)xanthene (xant(PiPr2)2). This intermediate, which has been trapped to form OsH4{κ2-P,P-[xant(PiPr2)2]}(PiPr3) (5), coordinates the Si-H bond of the silanes to subsequently undergo a homolytic cleavage. Kinetics of the reaction along with the observed primary isotope effect demonstrates that the Si-H rupture is the rate-determining step of the activation. Complex 2 reacts with 1,1-diphenyl-2-propyn-1-ol and 1-phenyl-1-propyne. The reaction with the former affords Os{C≡CC(OH)Ph2}2{=C=CHC(OH)Ph2}{κ3-P,O,P-[xant(PiPr2)2]} (6), which catalyzes the conversion of the propargylic alcohol into (E)-2-(5,5-diphenylfuran-2(5H)-ylidene)-1,1-diphenylethan-1-ol, via (Z)-enynediol. In methanol, the hydroxyvinylidene ligand of 6 dehydrates to allenylidene, generating Os{C≡CC(OH)Ph2}2{=C=C=CPh2}{κ3-P,O,P-[xant(PiPr2)2]} (7). The reaction of 2 with 1-phenyl-1-propyne leads to OsH{κ1-C,η2-[C6H4CH2CH=CH2]}{κ3-P,O,P-[xant(PiPr2)2]} (8) and PhCH2CH=CH(SiEt3).
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5
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Gomez‐Bonilla MA, Salazar‐Pereda V, Mendoza‐Espinosa D, Gonzalez‐Montiel S, Castañeda‐Ovando A, Rojas‐Lima S, Sandoval‐Chavez CI, Lopez‐Jímenez JA. Reactivity of 2‐mercaptopyridines with Iridium(I)‐Tris(pyrazolyl) borate complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202001153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Manuel A. Gomez‐Bonilla
- Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Verónica Salazar‐Pereda
- Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Daniel Mendoza‐Espinosa
- Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Simplicio Gonzalez‐Montiel
- Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Aracely Castañeda‐Ovando
- Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Susana Rojas‐Lima
- Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Cesar I. Sandoval‐Chavez
- CONACYT Research-Fellow. Área Académica de Química Universidad Autónoma del Estado de Hidalgo Carretera Pachuca-Tulancingo Km. 4.5 Mineral de la Reforma Hidalgo 42090 Mexico
| | - Jorge A. Lopez‐Jímenez
- Departamento de Química Universidad de Guanajuato, Noria Alta S/N; C.P. 36050 Guanajuato Gto. México
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6
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Iglesias M, Fernández-Alvarez FJ, Oro LA. Non-classical hydrosilane mediated reductions promoted by transition metal complexes. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.02.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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7
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Fernández-Alvarez FJ, Lalrempuia R, Oro LA. Monoanionic NSiN-type ligands in transition metal coordination chemistry and catalysis. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2017.04.011] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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8
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Giner EA, Gómez-Gallego M, Merinero AD, Casarrubios L, Ramírez de Arellano C, Sierra MA. Sequential Reactions of Alkynes on an Iridium(III) Single Site. Chemistry 2017; 23:8941-8948. [PMID: 28440592 DOI: 10.1002/chem.201701100] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Indexed: 01/01/2023]
Abstract
Sequential insertion of terminal alkynes on IrIII cyclometalated complexes allow the formation of novel metallapolycycles in a controlled and efficient manner. ortho-Methylarylethynyl derivatives led to an unprecedented cascade combination of three fundamental processes (C-C bond formation, C(sp3 )-H activation, and reductive coupling) on a single IrIII center, in a process compatible with functionalized biomolecules and photoactive substrates. The reaction with tert-butylacetylene led to a [6,5,4]-polycycle that incorporates an iridacyclobutenylidene in its structure. The sequence is a multicomponent reaction in which the metal not only promotes the different steps but also determines their stereoselectivity. This is an elegant example of the synergy between a metal-promoting reaction and a symmetry-defined stereochemistry.
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Affiliation(s)
- Elena A Giner
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040, Madrid, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universidad Complutense., 28040, Madrid, Spain
| | - Mar Gómez-Gallego
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040, Madrid, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universidad Complutense., 28040, Madrid, Spain
| | - Alba D Merinero
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040, Madrid, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universidad Complutense., 28040, Madrid, Spain
| | - Luis Casarrubios
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040, Madrid, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universidad Complutense., 28040, Madrid, Spain
| | - Carmen Ramírez de Arellano
- Departamento de Química Orgánica, Facultad de Química, Universidad de Valencia, 46100, Valencia, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universidad Complutense., 28040, Madrid, Spain
| | - Miguel A Sierra
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad Complutense, 28040, Madrid, Spain.,Centro de Innovación en Química Avanzada (ORFEO-CINQA)., Universidad Complutense., 28040, Madrid, Spain
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9
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Cabeza JA, García-Álvarez P, González-Álvarez L. Facile cyclometallation of a mesitylsilylene: synthesis and preliminary catalytic activity of iridium(iii) and iridium(v) iridasilacyclopentenes. Chem Commun (Camb) 2017; 53:10275-10278. [DOI: 10.1039/c7cc04832g] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
The cyclometallation of a monosilylene has been achieved in iridium(iii) and iridium(v) complexes; the former catalyse arene deuteriations and borylations.
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Affiliation(s)
- Javier A. Cabeza
- Centro de Innovación en Química Avanzada (ORFEO-CINQA)
- Departamento de Química Orgánica e Inorgánica
- Universidad de Oviedo
- 33071 Oviedo
- Spain
| | - Pablo García-Álvarez
- Centro de Innovación en Química Avanzada (ORFEO-CINQA)
- Departamento de Química Orgánica e Inorgánica
- Universidad de Oviedo
- 33071 Oviedo
- Spain
| | - Laura González-Álvarez
- Centro de Innovación en Química Avanzada (ORFEO-CINQA)
- Departamento de Química Orgánica e Inorgánica
- Universidad de Oviedo
- 33071 Oviedo
- Spain
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10
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Esteruelas MA, López AM, Oliván M. Polyhydrides of Platinum Group Metals: Nonclassical Interactions and σ-Bond Activation Reactions. Chem Rev 2016; 116:8770-847. [DOI: 10.1021/acs.chemrev.6b00080] [Citation(s) in RCA: 92] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Miguel A. Esteruelas
- Departamento de
Química
Inorgánica, Instituto de Síntesis Química
y Catálisis Homogénea (ISQCH), Centro de Innovación
en Química Avanzada (ORFEO−CINQA), Universidad de Zaragoza−CSIC, 50009 Zaragoza, Spain
| | - Ana M. López
- Departamento de
Química
Inorgánica, Instituto de Síntesis Química
y Catálisis Homogénea (ISQCH), Centro de Innovación
en Química Avanzada (ORFEO−CINQA), Universidad de Zaragoza−CSIC, 50009 Zaragoza, Spain
| | - Montserrat Oliván
- Departamento de
Química
Inorgánica, Instituto de Síntesis Química
y Catálisis Homogénea (ISQCH), Centro de Innovación
en Química Avanzada (ORFEO−CINQA), Universidad de Zaragoza−CSIC, 50009 Zaragoza, Spain
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11
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Morales-Cerón JP, Salazar-Pereda V, Mendoza-Espinosa D, Alvarado-Rodríguez JG, Cruz-Borbolla J, Andrade-López N, Vásquez-Pérez JM. Synthesis of Ir(III) complexes with Tp(Me2) and acac ligands and their reactivity with electrophiles. Dalton Trans 2015; 44:13881-9. [PMID: 26148543 DOI: 10.1039/c5dt01937k] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The reaction of the bis(ethylene) complex [Tp(Me2)Ir(C2H4)2] () (Tp(Me2) = hydrotris(3,5-dimethylpyrazolyl)borate) with an excess of 2,4-pentanedione (acetylacetone, Hacac) at 70 °C produced a mixture of the Ir(iii) complex [Tp(Me2)Ir(acac)(C2H5)] () as a major product (67% yield) and two other side complexes [Tp(Me2)Ir(acac)(H)] () and [Tp(Me2)Ir(C9H14O2)] () in 20 and 13% yields, respectively. According to the proposed reaction mechanism and DFT calculations, complexes and are generated from an 18e(-) intermediate [Tp(Me2)Ir(C2H4)(acac)(C2H3)] () which undergoes either hydrogen insertion or β-hydride elimination followed by the subsequent loss of a molecule of ethylene. The lowest yielding complex which features a 2-iridafuran is presumably generated from an unusual thermal coupling between one vinylic and one acac moiety. The availability of the acidic α-proton of the acac ligand was tested by the treatment of complex with Br2 and Cu(NO3)2 rendering the substitution complexes [Tp(3-Br,Me2)Ir(3-Br-acac)Br] () and [Tp(Me2)Ir(3-NO2-acac)(C2H5)] () in good yields. The series of heteroleptic iridium(iii) compounds display air and moisture stability and have been characterized by NMR, IR, and elemental analyses, and, in the case of , and , by single-crystal X-ray diffraction analyses.
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Affiliation(s)
- Judith P Morales-Cerón
- Área Académica de Química, Universidad Autónoma del Estado de Hidalgo, Carretera Pachuca-Tulancingo Km. 4.5, Mineral de la Reforma, Hidalgo, 42090, México.
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12
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Zuzek AA, Parkin G. Oxidative addition of SiH4and GeH4to Ir(PPh3)2(CO)Cl: structural and spectroscopic evidence for the formation of products derived from cis oxidative addition. Dalton Trans 2015; 44:2801-8. [DOI: 10.1039/c4dt03363a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Oxidative addition of SiH4and GeH4to Vaska's compound occurs in acismanner but two isomers can be obtained according to whether H istransto CO or Cl. Only the isomer with Htransto CO is observed for SiH4, whereas both isomers are observed for GeH4.
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Affiliation(s)
| | - Gerard Parkin
- Department of Chemistry
- Columbia University
- New York
- USA
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13
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Vivancos Á, Posadas CM, Hernández YA, Rendón N, Garcı́a-Rubı́n S, Álvarez E, Paneque M, Poveda ML. Reactivity of TpMe2-Containing Hydride–Iridafurans with Alkenes, Alkynes, and H2. Organometallics 2014. [DOI: 10.1021/om500789f] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ángela Vivancos
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
| | - Cristina M. Posadas
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
| | - Yohar A. Hernández
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
| | - Nuria Rendón
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
| | - Silvia Garcı́a-Rubı́n
- Departamento de Quı́mica
Orgánica, Facultad de Quı́mica and Centro de Innovación
en Quı́mica Avanzada (ORFEO-CINQA), Universidad de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Eleuterio Álvarez
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
| | - Margarita Paneque
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
| | - Manuel L. Poveda
- Instituto
de Investigaciones Quı́micas (IIQ), Departamento de Quı́mica
Inorgánica, and Centro de Innovación en Quı́mica
Avanzada (ORFEO-CINQA), CSIC and Universidad de Sevilla, Avda. Américo
Vespucio 49, 41092 Sevilla, Spain
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14
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15
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Corey JY. Reactions of hydrosilanes with transition metal complexes and characterization of the products. Chem Rev 2011; 111:863-1071. [PMID: 21250634 DOI: 10.1021/cr900359c] [Citation(s) in RCA: 353] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Joyce Y Corey
- Department of Chemistry and Biochemistry, University of Missouri-St. Louis, 63121, USA.
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16
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Ray M, Nakao Y, Sato H, Sakaki S, Watanabe T, Hashimoto H, Tobita H. Experimental and Theoretical Study of a Tungsten Dihydride Silyl Complex: New Insight into Its Bonding Nature and Fluxional Behavior. Organometallics 2010. [DOI: 10.1021/om100653v] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Mausumi Ray
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Yoshihide Nakao
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Kyotodaigaku-Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
| | | | - Shigeyoshi Sakaki
- Institute for Integrated Cell-Material Sciences, Kyoto University, Ushinomiya-cho, Yoshida, Sakyo-ku Kyoto 606-8501, Japan
| | - Takahito Watanabe
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Hisako Hashimoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Hiromi Tobita
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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17
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Yi XY, Chan KW, Huang EK, Sau YK, Williams ID, Leung WH. C-H Activation with Iridium(III) and Rhodium(III) Alkyl Complexes Containing a 2,2′-Bipyridyl Ligand. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000041] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Rossin A, Gutsul EI, Belkova NV, Epstein LM, Gonsalvi L, Lledós A, Lyssenko KA, Peruzzini M, Shubina ES, Zanobini F. Mechanistic Studies on the Interaction of [(κ3-P,P,P-NP3)IrH3] [NP3 = N(CH2CH2PPh2)3] with HBF4 and Fluorinated Alcohols by Combined NMR, IR, and DFT Techniques. Inorg Chem 2010; 49:4343-54. [DOI: 10.1021/ic100313j] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Andrea Rossin
- Instituto di Chimica dei Composti Organometallici (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Firenze), Italy
| | - Evgenii I. Gutsul
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS-RAS), Vavilov strasse 28, 119991 Moscow, Russian Federation
| | - Natalia V. Belkova
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS-RAS), Vavilov strasse 28, 119991 Moscow, Russian Federation
| | - Lina M. Epstein
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS-RAS), Vavilov strasse 28, 119991 Moscow, Russian Federation
| | - Luca Gonsalvi
- Instituto di Chimica dei Composti Organometallici (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Firenze), Italy
| | - Agustí Lledós
- Departament de Química, Universitat Autònoma de Barcelona, Bellaterra, Barcelona, Spain
| | - Konstantin A. Lyssenko
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS-RAS), Vavilov strasse 28, 119991 Moscow, Russian Federation
| | - Maurizio Peruzzini
- Instituto di Chimica dei Composti Organometallici (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Firenze), Italy
| | - Elena S. Shubina
- A. N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences (INEOS-RAS), Vavilov strasse 28, 119991 Moscow, Russian Federation
| | - Fabrizio Zanobini
- Instituto di Chimica dei Composti Organometallici (ICCOM-CNR), Via Madonna del Piano 10, 50019 Sesto Fiorentino (Firenze), Italy
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19
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Hebden TJ, Goldberg KI, Heinekey DM, Zhang X, Emge TJ, Goldman AS, Krogh-Jespersen K. Dihydrogen/Dihydride or Tetrahydride? An Experimental and Computational Investigation of Pincer Iridium Polyhydrides. Inorg Chem 2010; 49:1733-42. [DOI: 10.1021/ic902163w] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Travis J. Hebden
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700
| | - Karen I. Goldberg
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700
| | - D. Michael Heinekey
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700
| | - Xiawei Zhang
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903
| | - Thomas J. Emge
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903
| | - Alan S. Goldman
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903
| | - Karsten Krogh-Jespersen
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08903
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20
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McBee JL, Escalada J, Tilley TD. High oxidation state rhodium and iridium bis(silyl)dihydride complexes supported by a chelating pyridyl-pyrrolide ligand. J Am Chem Soc 2009; 131:12703-13. [PMID: 19681602 DOI: 10.1021/ja9035169] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
New rhodium and iridium complexes containing the bidentate ligand 3,5-diphenyl-2-(2-pyridyl)pyrrolide (PyPyr) were prepared. The bis(ethylene) complex (PyPyr)Rh(C(2)H(4))(2) (3) reacted with HSiEt(3), HSiPh(3), and HSi(t)BuPh(2) to produce the 16-electron Rh(V) bis(silyl)dihydrides (PyPyr)Rh(H)(2)(SiEt(3))(2) (8), (PyPyr)Rh(H)(2)(SiPh(3))(2) (9), and (PyPyr)Rh(H)(2)(Si(t)BuPh(2))(2) (10), respectively. The analogous Ir(V) bis(silyl)dihyride (PyPyr)Ir(H)(2)(SiPh(3))(2) (11) has also been synthesized. X-ray crystallography reveals that 9-11 adopt a coordination geometry best described as a bicapped tetrahedron. Silane elimination from 9 and 10 occurred in the presence of either HSiEt(3) or PPh(3). Mechanistic studies of the silane exchange process involving 10 and free HSiEt(3) (to give 8) indicate that this process occurs by rate-limiting reductive elimination of HSi(t)BuPh(2) from 10 to generate a 14-electron Rh(III) intermediate of the type (PyPyr)Rh(H)(Si(t)BuPh(2)).
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Affiliation(s)
- Jennifer L McBee
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, USA
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21
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Lara P, Paneque M, Poveda M, Santos L, Valpuesta J, Salazar V, Carmona E, Moncho S, Ujaque G, Lledós A, Maya C, Mereiter K. Synthetic, Mechanistic, and Theoretical Studies on the Generation of Iridium Hydride Alkylidene and Iridium Hydride Alkene Isomers. Chemistry 2009; 15:9046-57. [DOI: 10.1002/chem.200900654] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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22
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Nishihara Y, Takemura M, Osakada K. Comparative reactivity of triorganosilanes, HSi(OEt)3 and HSiEt3, with IrCl(CO)(PPh3)2. Formation of IrCl(H)2(CO)(PPh3)2 or Ir(H)2(SiEt3)(CO)(PPh3)2 depending on the substituents at Si. Inorganica Chim Acta 2009. [DOI: 10.1016/j.ica.2008.12.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Lee JH, Yoo KS, Park CP, Olsen JM, Sakaguchi S, Surya Prakash GK, Mathew T, Jung KW. Air/Water-Stable Tridentate NHC-Pd Complex; Catalytic C-H Activation of Hydrocarbons via H/D Exchange Process in D(2)O. Adv Synth Catal 2009; 351:563-568. [PMID: 20221298 DOI: 10.1002/adsc.200800698] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
While developing novel catalysts for carbon-carbon or carbon-heteroatom coupling (N, O, or F), we were able to introduce tridentate NHC-amidate-alkoxide palladium(II) complexes. In aqueous solution, these NHC-Pd(II) complexes showed high ability for C-H activation of various hydrocarbons (cyclohexane, cyclopentane, dimethyl ether, THF, acetone, and toluene) under mild conditions.
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Affiliation(s)
- Joo Ho Lee
- Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California Los Angeles, California 90089, USA
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24
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Crossley IR. The Organometallic Chemistry of Group 9 Poly(pyrazolyl)borate Complexes. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2008. [DOI: 10.1016/s0065-3055(07)56004-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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25
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Salomon MA, Braun T, Krossing I. Iridium derivatives of fluorinated aromatics by C–H activation: isolation of classical and non-classical hydrides. Dalton Trans 2008:5197-206. [DOI: 10.1039/b807077f] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Camerano JA, Casado MA, Ciriano MA, Tejel C, Oro LA. Coordination features of a hybrid scorpionate/phosphane ligand exemplified with Iridium. Chemistry 2007; 14:1897-905. [PMID: 18064622 DOI: 10.1002/chem.200701209] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Although the pentacoordinated complex [Ir{(allyl)B(CH(2)PPh(2))(pz)(2)}(cod)] (1; pz=pyrazolyl, cod=1,5-cyclooctadiene), isolated from the reaction of [{Ir(mu-Cl)(cod)}(2)] with [Li(tmen)][B(allyl)(CH(2)PPh(2))- (pz)(2)] (tmen=N,N,N',N'-tetramethylethane-1,2-diamine), shows behavior similar to that of the related hydridotris(pyrazolyl)borate complex, the carbonyl derivatives behave in a quite different way. On carbonylation of 1, the metal--metal-bonded complex [(Ir{(allyl)B(CH(2)PPh(2))(pz)(2)}CO)(2)(mu-CO)] (2) that results has a single ketonic carbonyl bridge. This bridging carbonyl is labile such that upon treatment of 2 with PMe(3) the pentacoordinated Ir(I) complex [Ir(CO){(pz)B(eta(2)-CH(2)CH=CH(2))(CH(2)PPh(2))(pz)}(PMe(3))] (3) was isolated. Complex 3 shows a unique fac coordination of the hybrid ligand with the allyl group eta(2)-bonded to the metal in the equatorial plane of a distorted trigonal bipyramid with one pyrazolate group remaining uncoordinated. This unusual feature can be rationalized on the basis of the electron-rich nature of the metal center. The related complex [Ir(CO){(pz)B(eta(2)-CH(2)CH=CH(2))(CH(2)PPh(2))(pz)}(PPh(3))] (4) was found to exist in solution as a temperature-dependent equilibrium between the cis-pentacoordinated and trans square planar isomers with respect to the phosphorus donor atoms. Protonation of 3 with different acids is selective at the iridium center and gives the cationic hydrides [Ir{(allyl)B(CH(2)PPh(2))(pz)(2)}(CO)H(PMe(3))]X (X=BF(4) (5), MeCO(2) (6), and Cl (7)). Complex 7 further reacts with HCl to generate the unexpected product [Ir(CO)Cl{(Hpz)B(CH(2)PPh(2))(pz)CH(2)CH(Me)}(PMe(3))]Cl (9; Hpz=protonated pyrazolyl group) formed by the insertion of the hydride into the Ir-(eta(2)-allyl) bond. In contrast, protonation of complex 4 with HCl stops at the hydrido complex [Ir{(allyl)B(CH(2)PPh(2))(pz)(2)}(CO)H(PPh(3))]Cl (8). X-ray diffraction studies carried out on complexes 2, 3, and 9 show the versatility of the hybrid scorpionate ligand in its coordination.
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Affiliation(s)
- José A Camerano
- Departamento de Química Inorgánica, Instituto de Ciencias de Materiales de Aragón, CSIC-Universidad de Zaragoza, Pedro Cerbuna 12, 50009 Zaragoza, Spain
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27
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Ruhland K, Brück A, Herdtweck E. Investigation of the Thermal Decomposition of [biphen(QP
i
Pr)Pt(alk)
2
]: An Entry to C–C Single Bond Activation? Eur J Inorg Chem 2007. [DOI: 10.1002/ejic.200600848] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Klaus Ruhland
- TU München, Department Chemie, Lehrstuhl für Anorganische Chemie, Lichtenbergstr. 4, 85748 Garching
| | - Andreas Brück
- TU München, Department Chemie, Lehrstuhl für Anorganische Chemie, Lichtenbergstr. 4, 85748 Garching
| | - Eberhardt Herdtweck
- TU München, Department Chemie, Lehrstuhl für Anorganische Chemie, Lichtenbergstr. 4, 85748 Garching
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28
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Esteruelas MA, Fernández-Alvarez FJ, López AM, Oñate E, Ruiz-Sánchez P. Iridium(I), Iridium(III), and Iridium(V) Complexes Containing the (2-Methoxyethyl)cyclopentadienyl Ligand. Organometallics 2006. [DOI: 10.1021/om060511f] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Miguel A. Esteruelas
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Francisco J. Fernández-Alvarez
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Ana M. López
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Enrique Oñate
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
| | - Pilar Ruiz-Sánchez
- Departamento de Química Inorgánica, Instituto de Ciencia de Materiales de Aragón, Universidad de Zaragoza-CSIC, 50009 Zaragoza, Spain
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29
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Karshtedt D, McBee JL, Bell AT, Tilley TD. Stoichiometric and Catalytic Arene Activations by Platinum Complexes Containing Bidentate Monoanionic Nitrogen-Based Ligands. Organometallics 2006. [DOI: 10.1021/om0600902] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dmitry Karshtedt
- Departments of Chemistry and Chemical Engineering, University of California, Berkeley, Berkeley, California 94720, and Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720
| | - Jennifer L. McBee
- Departments of Chemistry and Chemical Engineering, University of California, Berkeley, Berkeley, California 94720, and Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720
| | - Alexis T. Bell
- Departments of Chemistry and Chemical Engineering, University of California, Berkeley, Berkeley, California 94720, and Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720
| | - T. Don Tilley
- Departments of Chemistry and Chemical Engineering, University of California, Berkeley, Berkeley, California 94720, and Chemical Sciences Division, Lawrence Berkeley National Laboratory, 1 Cyclotron Road, Berkeley, California 94720
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30
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Lara P, Paneque M, Poveda ML, Salazar V, Santos LL, Carmona E. Formation and Cleavage of C−H, C−C, and C−O Bonds of ortho-Methyl-Substituted Anisoles by Late Transition Metals. J Am Chem Soc 2006; 128:3512-3. [PMID: 16536512 DOI: 10.1021/ja0586790] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
2,6-Dimethyl-substituted anisoles can be converted into the corresponding 2-ethyl-6-methylphenols in a several-step reaction mediated by a TpMe2Ir(III) complex; use of the 13C-enriched anisoles, ArO13CH3, shows that the 13C label distributes across the two ethyl sites with a preference for the terminal position.
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Affiliation(s)
- Patricia Lara
- Instituto de Investigaciones Químicas, Departamento de Química Inorganica, CSIC, Universidad de Sevilla, Avda. Américo Vespucio no 49, 41092 Sevilla, Spain
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31
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Turculet L, Feldman JD, Tilley TD. Coordination Chemistry and Reactivity of New Zwitterionic Rhodium and Iridium Complexes Featuring the Tripodal Phosphine Ligand [PhB(CH2PiPr2)3]-. Activation of H−H, Si−H, and Ligand B−C Bonds. Organometallics 2004. [DOI: 10.1021/om030686e] [Citation(s) in RCA: 91] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Laura Turculet
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460
| | - Jay D. Feldman
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460
| | - T. Don Tilley
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460
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32
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Iimura M, Evans DR, Flood TC. Synthesis and Characterization of Triazacyclononane-Ligated Iridium Dihydride Complexes. Organometallics 2003. [DOI: 10.1021/om030373j] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Masanori Iimura
- Department of Chemistry, University of Southern California, Los Angeles, California 90089-0744
| | - Daniel R. Evans
- Department of Chemistry, University of Southern California, Los Angeles, California 90089-0744
| | - Thomas C. Flood
- Department of Chemistry, University of Southern California, Los Angeles, California 90089-0744
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33
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Said RB, Hussein K, Barthelat JC, Atheaux I, Sabo-Etienne S, Grellier M, Donnadieu B, Chaudret B. Redistribution at silicon by ruthenium complexes. Bonding mode of the bridging silanes in Ru2H4(μ-η2:η2:η2:η2-SiH4)(PCy3)4and Ru2H2(μ-η2:η2-H2Si(OMe)2)3(PCy3)2. Dalton Trans 2003. [DOI: 10.1039/b304122k] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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34
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Feldman JD, Peters JC, Tilley TD. Activations of Silanes with [PhB(CH2PPh2)3]Ir(H)(η3-C8H13). Formation of Iridium Silylene Complexes via the Extrusion of Silylenes from Secondary Silanes R2SiH2. Organometallics 2002. [DOI: 10.1021/om020389u] [Citation(s) in RCA: 93] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jay D. Feldman
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460
| | - Jonas C. Peters
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460
| | - T. Don Tilley
- Department of Chemistry, University of California at Berkeley, Berkeley, California 94720-1460
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35
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Klei SR, Golden JT, Tilley TD, Bergman RG. Iridium-catalyzed H/D exchange into organic compounds in water. J Am Chem Soc 2002; 124:2092-3. [PMID: 11878944 DOI: 10.1021/ja017219d] [Citation(s) in RCA: 158] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The air-stable complex Cp(PMe(3))IrCl(2) efficiently catalyzes the exchange of deuterium from D(2)O into both activated and unactivated C-H bonds of organic molecules without added acid or stabilizers. Selectivity is observed in many cases, with activation of primary C-H bonds occurring preferentially. A number of new stoichiometric transformations involving the iridiym catalyst precursor are also presented, including an oxidation-decarbonylation reaction with primary alcohols.
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Affiliation(s)
- Steven R Klei
- Department of Chemistry and Center for New Directions in Organic Synthesis (CNDOS), University of California, 94720-1460, USA
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36
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Reinartz S, White PS, Brookhart M, Templeton JL. Five-coordinate trispyrazolylborate dihydridosilyl platinum(IV) complexes. J Am Chem Soc 2001; 123:6425-6. [PMID: 11427073 DOI: 10.1021/ja0104047] [Citation(s) in RCA: 73] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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37
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Slugovc* C, Padilla-Martı́nez I, Sirol S, Carmona* E. Rhodium- and iridium-trispyrazolylborate complexes. Coord Chem Rev 2001. [DOI: 10.1016/s0010-8545(00)00365-9] [Citation(s) in RCA: 107] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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38
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Sadimenko AP. Organometallic Complexes of Pyrazolylborates and Related Ligands. ADVANCES IN HETEROCYCLIC CHEMISTRY 2001. [DOI: 10.1016/s0065-2725(01)81012-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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39
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40
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Klei SR, Tilley TD, Bergman RG. The Mechanism of Silicon−Hydrogen and Carbon−Hydrogen Bond Activation by Iridium(III): Production of a Silylene Complex and the First Direct Observation of Ir(III)/Ir(V) C−H Bond Oxidative Addition and Reductive Elimination. J Am Chem Soc 2000. [DOI: 10.1021/ja992954z] [Citation(s) in RCA: 111] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Steven R. Klei
- Department of Chemistry, University of California and Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley, California 94720
| | - T. Don Tilley
- Department of Chemistry, University of California and Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley, California 94720
| | - Robert G. Bergman
- Department of Chemistry, University of California and Chemical Sciences Division Lawrence Berkeley National Laboratory Berkeley, California 94720
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41
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Nicasio MC, Paneque M, Pérez PJ, Pizzano A, Poveda ML, Rey L, Sirol S, Taboada S, Trujillo M, Monge A, Ruiz C, Carmona E. Substitution and hydrogenation reactions on rhodium(I)-ethylene complexes of the hydrotris(pyrazolyl)borate ligands T (T = Tp, TpMe2). Inorg Chem 2000; 39:180-8. [PMID: 11272523 DOI: 10.1021/ic990419u] [Citation(s) in RCA: 45] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The bis(ethylene) Rh species TpMe2Rh(C2H4)2(1*) (TpMe2 = tris(3,5-dimethyl-1-pyrazol-1-yl)hydroborate) has been obtained from [RhCl(C2H4)2]2 and KTpMe2. Complex 1* easily decomposes in solution to give mainly the butadiene species TpMe2Rh(eta74-C4H6). In the solid state its thermal decomposition follows a different course and the allyl TpMe2RhH(syn-C3H4Me) is cleanly obtained as a mixture of exo and endo isomers. The complexes Tp'Rh(C2H4)2 (Tp' = Tp, TpMe2) afford the monosubstituted species Tp'Rh(C2H4)(PR3) upon reaction with PR3 but react differently with L = CO or CNR: the Tp compound gives dinuclear [TpRh]2(mu-L)3 complexes, while, in the case of 1*, TpMe2Rh(C2H4)(L) species are obtained. The ethylene ligand of complexes TpMe2Rh(C2H4)(PR3) is labile, and several peroxo compounds of composition TpMe2Rh(O2)(PR3) have been isolated by their reaction with O2. All the mononuclear Rh(I) complexes are formulated as 18e- trigonal bipyramidal species on the basis of IR and NMR spectroscopic studies. A series of dihydride complexes of Rh(III) of formulation Tp'RhH2(PR3) have been prepared by the hydrogenation of the corresponding ethylene derivatives. Complexes [TpRh]2(mu-CNCy)3, TpMe2Rh(C2H4)(PEt3), and TpMe2Rh(O2)(PEt3) have been further characterized by X-ray diffraction studies.
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Affiliation(s)
- M C Nicasio
- Instituto de Investigaciones Químicas, Departamento de Química Inorgánica, Consejo Superior de Investigaciones Científicas, Universidad de Sevilla, Spain
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