1
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Synthesis, characterization, electrochemical behavior, and catalytic activity of cobalt(II) metal complexes with pincer-type methylbenzamide derivative ligands. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115846] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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2
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Mandal U, VenkatRamani S, Ghiviriga I, Abboud KA, Veige AS. Synthesis and Characterization of Tungsten Alkylidene and Alkylidyne Complexes Featuring a New Carbazole-Based Rigid Trianionic ONO 3– Pincer-Type Ligand. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00150] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ushnish Mandal
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Sudarsan VenkatRamani
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- University of Florida, Department of Chemistry, Center for Catalysis, P.O. Box 117200, Gainesville, Florida 32611, United States
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3
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Kotani H, Kaida S, Ishizuka T, Mieda K, Sakaguchi M, Ogura T, Shiota Y, Yoshizawa K, Kojima T. Importance of the Reactant-State Potentials of Chromium(V)–Oxo Complexes to Determine the Reactivity in Hydrogen-Atom Transfer Reactions. Inorg Chem 2018; 57:13929-13936. [DOI: 10.1021/acs.inorgchem.8b02453] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Hiroaki Kotani
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
| | - Suzue Kaida
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
| | - Tomoya Ishizuka
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
| | - Kaoru Mieda
- Graduate School of Life Science, University of Hyogo, Kouto, Hyogo 678-1297, Japan
| | - Miyuki Sakaguchi
- Graduate School of Life Science, University of Hyogo, Kouto, Hyogo 678-1297, Japan
| | - Takashi Ogura
- Graduate School of Life Science, University of Hyogo, Kouto, Hyogo 678-1297, Japan
| | - Yoshihito Shiota
- Institute for Materials Chemistry and Engineering, Kyushu University, Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
| | - Kazunari Yoshizawa
- Institute for Materials Chemistry and Engineering, Kyushu University, Motooka, Nishi-Ku, Fukuoka 819-0395, Japan
- Elements Strategy Initiative for Catalysts & Batteries, Kyoto University, Nishi-ku, Kyoto 615-8520, Japan
| | - Takahiko Kojima
- Department of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8571, Japan
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Pedziwiatr J, Ghiviriga I, Abboud KA, Veige AS. Crystal structures of a novel NNN pincer ligand and its dinuclear titanium(IV) alkoxide pincer complex. Acta Crystallogr E Crystallogr Commun 2017; 73:122-126. [PMID: 28217325 PMCID: PMC5290548 DOI: 10.1107/s2056989016019964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Accepted: 12/15/2016] [Indexed: 11/10/2022]
Abstract
This report describes a synthetic protocols and the crystal structures involving a novel pincer-type H3[NNN] ligand, namely di-μ-bromido-μ-{2-(2,2-di-methylpropanimido-yl)-N-[2-(2,2-di-methyl-propanimido-yl)-4-methyl-phen-yl]-4-methylaniline}-bis-[(diethyl ether)lithium], [Li2Br2(C24H33N3)(C4H10O)2] (1) and a dinuclear metal complex, namely di-μ-bromido-2:3κ4Br:Br-bis-{2-(2,2-di-methylpropanimido-yl)-N-[2-(2,2-di-methyl-propanimido-yl)-4-methyl-phen-yl]-4-methylaniline}-1κ3N,N',N'';4κ3N,N',N''-tetra-μ-iso-propano-lato-1:2κ4O:O;3:4κ4O:O-diiso-propano-lato-1κO,4κO-2,3-dilithium-1,4-dititanium, [Li2Ti2Br2(C24H32N3)2(C3H7O)6] or {[NHNNH]Ti(O i Pr)3(LiBr)2}2 (2). Complex 1, which sits on a twofold rotation axis, is a rare example of a pincer-type ligand which bears ketimine side arms. A unique feature of complex 1 is that the ketimine N atoms have an LiBr(Et2O) fragment bonded to them, with the Li atom adopting a distorted tetra-hedral geometry. This particular fragment creates an LiBr bridge between the two ketimine sidearms, which leads to a cage-type appearance of the ligand. Complex 2 consists of the previously described ligand and a TiIV metal atom in an octa-hedral environment, and is located on an inversion center. Complex 2 crystallizes as a dinuclear species with the metal atoms being bridged by an LiBr entity [the Br atoms are disordered and refined in two positions with their site occupation factors refining to 0.674 (12)/0.372 (12)], and the Li cation being bonded to the isopropoxide O atoms (Li having a tetra-hedral coordination as in 1). The organic ligand of compound 2 exhibits disorder in its periphery groups; isopropyl and tert-butyl groups (occupation factors fixed at 0.6/0.4). The novel [NNN]H3 pincer-type ligand was characterized by multinuclear and multidimensional NMR, HRMS and X-ray crystallography. The dinuclear metal complex 2 was characterized by X-ray crystallography. Although each structure exhibits donor N-H groups, no hydrogen bonding is found in either one, perhaps due to the bulky groups around them. One of the ethyl groups of the ether ligand of 1 is disordered and refined in two parts with site-occupation factors of 0.812 (8) and 0.188 (8). One and a half toluene solvent mol-ecules are also present in the asymmetric unit of 2. The toluene mol-ecules were significantly disordered and could not be modeled properly, thus SQUEEZE [Spek (2015 ▸). Acta Cryst. C71, 9-18] was used to remove their contributions to the overall intensity data.
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Affiliation(s)
- Jakub Pedziwiatr
- Department of Chemistry, Center for Catalysis, University of Florida, Gainesville, FL 32611, USA
| | - Ion Ghiviriga
- Department of Chemistry, Center for Catalysis, University of Florida, Gainesville, FL 32611, USA
| | - Khalil A. Abboud
- Department of Chemistry, Center for Catalysis, University of Florida, Gainesville, FL 32611, USA
| | - Adam S. Veige
- Department of Chemistry, Center for Catalysis, University of Florida, Gainesville, FL 32611, USA
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Maezono SMB, Poudel TN, Lee YR. One-pot construction of sterically challenging and diverse polyarylphenols via transition-metal-free benzannulation and their potent in vitro antioxidant activity. Org Biomol Chem 2017; 15:2052-2062. [DOI: 10.1039/c7ob00078b] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
One pot novel synthesis of highly functionalized polyarylphenols via benzannulation under transition-metal-free conditions and their antioxidant activities are described.
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Affiliation(s)
| | - Tej Narayan Poudel
- School of Chemical Engineering
- Yeungnam University
- Gyeongsan 712-749
- Republic of Korea
| | - Yong Rok Lee
- School of Chemical Engineering
- Yeungnam University
- Gyeongsan 712-749
- Republic of Korea
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6
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Stich TA, Gagnon DM, Anderson BL, Nocera DG, Britt RD. EPR Spectroscopic Characterization of a Jahn‐Teller Distorted (
C
3
v
→
C
s
) Four‐Coordinate Chromium(V) Oxo Species. Isr J Chem 2016. [DOI: 10.1002/ijch.201600036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Troy A. Stich
- Department of Chemistry University of California One Shields Avenue Davis CA 95616 USA
| | - Derek M. Gagnon
- Department of Chemistry University of California One Shields Avenue Davis CA 95616 USA
| | - Bryce L. Anderson
- Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street Cambridge MA 02138 USA
| | - Daniel G. Nocera
- Department of Chemistry and Chemical Biology Harvard University 12 Oxford Street Cambridge MA 02138 USA
| | - R. David Britt
- Department of Chemistry University of California One Shields Avenue Davis CA 95616 USA
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7
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Lips S, Wiebe A, Elsler B, Schollmeyer D, Dyballa KM, Franke R, Waldvogel SR. Synthesis of meta-Terphenyl-2,2''-diols by Anodic C-C Cross-Coupling Reactions. Angew Chem Int Ed Engl 2016; 55:10872-6. [PMID: 27490451 DOI: 10.1002/anie.201605865] [Citation(s) in RCA: 129] [Impact Index Per Article: 16.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Indexed: 01/23/2023]
Abstract
The anodic C-C cross-coupling reaction is a versatile synthetic approach to symmetric and non-symmetric biphenols and arylated phenols. We herein present a metal-free electrosynthetic method that provides access to symmetric and non-symmetric meta-terphenyl-2,2''-diols in good yields and high selectivity. Symmetric derivatives can be obtained by direct electrolysis in an undivided cell. The synthesis of non-symmetric meta-terphenyl-2,2''-diols required two electrochemical steps. The reactions are easy to conduct and scalable. The method also features a broad substrate scope, and a large variety of functional groups are tolerated. The target molecules may serve as [OCO](3-) pincer ligands.
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Affiliation(s)
- Sebastian Lips
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Anton Wiebe
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany.,Max Planck Graduate Center, Staudinger-Weg 9, 55128, Mainz, Germany
| | - Bernd Elsler
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Dieter Schollmeyer
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany
| | - Katrin M Dyballa
- Evonik Performance Materials GmbH, Paul-Baumann-Strasse 1, 45772, Marl, Germany
| | - Robert Franke
- Evonik Performance Materials GmbH, Paul-Baumann-Strasse 1, 45772, Marl, Germany.,Lehrstuhl für Theoretische Chemie, Ruhr-Universität Bochum, 44780, Bochum, Germany
| | - Siegfried R Waldvogel
- Institut für Organische Chemie, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128, Mainz, Germany. .,Max Planck Graduate Center, Staudinger-Weg 9, 55128, Mainz, Germany.
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8
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Lips S, Wiebe A, Elsler B, Schollmeyer D, Dyballa KM, Franke R, Waldvogel SR. Synthese vonmeta-Terphenyl-2,2′′-diolen durch anodische C-C-Kreuzkupplungen. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201605865] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sebastian Lips
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Deutschland
| | - Anton Wiebe
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Deutschland
- Max Planck Graduate Center; Staudinger-Weg 9 55128 Mainz Deutschland
| | - Bernd Elsler
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Deutschland
| | - Dieter Schollmeyer
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Deutschland
| | - Katrin M. Dyballa
- Evonik Performance Materials GmbH; Paul-Baumann-Straße 1 45772 Marl Deutschland
| | - Robert Franke
- Evonik Performance Materials GmbH; Paul-Baumann-Straße 1 45772 Marl Deutschland
- Lehrstuhl für Theoretische Chemie; Ruhr-Universität Bochum; 44780 Bochum Deutschland
| | - Siegfried R. Waldvogel
- Institut für Organische Chemie; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 55128 Mainz Deutschland
- Max Planck Graduate Center; Staudinger-Weg 9 55128 Mainz Deutschland
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9
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Baglia RA, Prokop-Prigge KA, Neu HM, Siegler MA, Goldberg DP. Mn(V)(O) versus Cr(V)(O) Porphyrinoid Complexes: Structural Characterization and Implications for Basicity Controlling H-Atom Abstraction. J Am Chem Soc 2015; 137:10874-7. [PMID: 26295412 DOI: 10.1021/jacs.5b05142] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Isomorphous crystals of Mn(V)(O) and Cr(V)(O) corrolazines were characterized by single crystal X-ray diffraction. Reactivity studies with H atom donors and separated PCET reagents show a dramatic difference in H atom abstracting abilities for these two complexes. The implied large difference in driving force is opposite the trend in redox potentials, indicating that basicity is a key factor in determining the striking difference in reactivity for two metal-oxo species in identical ligand environments.
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Affiliation(s)
- Regina A Baglia
- Department of Chemistry, The Johns Hopkins University , 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Katharine A Prokop-Prigge
- Department of Chemistry, The Johns Hopkins University , 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Heather M Neu
- Department of Chemistry, The Johns Hopkins University , 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Maxime A Siegler
- Department of Chemistry, The Johns Hopkins University , 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - David P Goldberg
- Department of Chemistry, The Johns Hopkins University , 3400 North Charles Street, Baltimore, Maryland 21218, United States
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10
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VenkatRamani S, Huff NB, Jan MT, Ghiviriga I, Abboud KA, Veige AS. New Alkylidyne Complexes Featuring a Flexible Trianionic ONO3– Pincer-Type Ligand: Inorganic Enamine Effect versus Sterics in Electrophilic Additions. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00155] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sudarsan VenkatRamani
- Department of Chemistry,
Center for Catalysis, University of Florida, Gainesville, Florida 32611, United States
| | - Nicholas B. Huff
- Department of Chemistry,
Center for Catalysis, University of Florida, Gainesville, Florida 32611, United States
| | - Muhammad Tariq Jan
- Department of Chemistry,
Center for Catalysis, University of Florida, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- Department of Chemistry,
Center for Catalysis, University of Florida, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- Department of Chemistry,
Center for Catalysis, University of Florida, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- Department of Chemistry,
Center for Catalysis, University of Florida, Gainesville, Florida 32611, United States
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11
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Nadif SS, Pedziwiatr J, Ghiviriga I, Abboud KA, Veige AS. Synthesis and Characterization of Group 4 Trianionic ONO3– Pincer-Type Ligand Complexes and a Rare Case of Through-Space 19F–19F Coupling. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00036] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Soufiane S. Nadif
- Center
for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Jakub Pedziwiatr
- Center
for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- Center
for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- Center
for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- Center
for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
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Kotani H, Kaida S, Ishizuka T, Sakaguchi M, Ogura T, Shiota Y, Yoshizawa K, Kojima T. Formation and characterization of a reactive chromium(v)-oxo complex: mechanistic insight into hydrogen-atom transfer reactions. Chem Sci 2015; 6:945-955. [PMID: 29560181 PMCID: PMC5811151 DOI: 10.1039/c4sc02285h] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2014] [Accepted: 10/17/2014] [Indexed: 12/27/2022] Open
Abstract
A mononuclear Cr(v)-oxo complex, [CrV(O)(6-COO--tpa)](BF4)2 (1; 6-COO--tpa = N,N-bis(2-pyridylmethyl)-N-(6-carboxylato-2-pyridylmethyl)amine) was prepared through the reaction of a Cr(iii) precursor complex with iodosylbenzene as an oxidant. Characterization of 1 was achieved using ESI-MS spectrometry, electron paramagnetic resonance, UV-vis, and resonance Raman spectroscopies. The reduction potential (Ered) of 1 was determined to be 1.23 V vs. SCE in acetonitrile based on analysis of the electron-transfer (ET) equilibrium between 1 and a one-electron donor, [RuII(bpy)3]2+ (bpy = 2,2'-bipyridine). The reorganization energy (λ) of 1 was also determined to be 1.03 eV in ET reactions from phenol derivatives to 1 on the basis of the Marcus theory of ET. The smaller λ value in comparison with that of an Fe(iv)-oxo complex (2.37 eV) is caused by the small structural change during ET due to the dπ character of the electron-accepting LUMO of 1. When benzyl alcohol derivatives (R-BA) with different oxidation potentials were employed as substrates, corresponding aldehydes were obtained as the 2e--oxidized products in moderate yields as determined from 1H NMR and GC-MS measurements. One-step UV-vis spectral changes were observed in the course of the oxidation reactions of BA derivatives by 1 and a kinetic isotope effect (KIE) was observed in the oxidation reactions for deuterated BA derivatives at the benzylic position as substrates. These results indicate that the rate-limiting step is a concerted proton-coupled electron transfer (PCET) from substrate to 1. In sharp contrast, in the oxidation of trimethoxy-BA (Eox = 1.22 V) by 1, trimethoxy-BA radical cation was observed by UV-vis spectroscopy. Thus, it was revealed that the mechanism of the oxidation reaction changed from one-step PCET to stepwise ET-proton transfer (ET/PT), depending on the redox potentials of R-BA.
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Affiliation(s)
- Hiroaki Kotani
- Department of Chemistry , Faculty of Pure and Applied Sciences , University of Tsukuba , 1-1-1 Tennoudai , Tsukuba , Ibaraki 305-8571 , Japan . ;
| | - Suzue Kaida
- Department of Chemistry , Faculty of Pure and Applied Sciences , University of Tsukuba , 1-1-1 Tennoudai , Tsukuba , Ibaraki 305-8571 , Japan . ;
| | - Tomoya Ishizuka
- Department of Chemistry , Faculty of Pure and Applied Sciences , University of Tsukuba , 1-1-1 Tennoudai , Tsukuba , Ibaraki 305-8571 , Japan . ;
| | - Miyuki Sakaguchi
- Graduate School of Life Science , University of Hyogo , Kouto , Hyogo 678-1297 , Japan
| | - Takashi Ogura
- Graduate School of Life Science , University of Hyogo , Kouto , Hyogo 678-1297 , Japan
| | - Yoshihito Shiota
- Institute for Materials Chemistry and Engineering , Kyushu University , Motooka , Nishi-Ku , Fukuoka 819-0395 , Japan
| | - Kazunari Yoshizawa
- Institute for Materials Chemistry and Engineering , Kyushu University , Motooka , Nishi-Ku , Fukuoka 819-0395 , Japan
- Elements Strategy Initiative for Catalysts & Batteries , Kyoto University , Nishikyo-ku , Kyoto 615-8520 , Japan
| | - Takahiko Kojima
- Department of Chemistry , Faculty of Pure and Applied Sciences , University of Tsukuba , 1-1-1 Tennoudai , Tsukuba , Ibaraki 305-8571 , Japan . ;
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13
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Pascualini ME, Di Russo NV, Quintero PA, Thuijs AE, Pinkowicz D, Abboud KA, Dunbar KR, Christou G, Meisel MW, Veige AS. Synthesis, Characterization, and Reactivity of Iron(III) Complexes Supported by a Trianionic ONO3– Pincer Ligand. Inorg Chem 2014; 53:13078-88. [DOI: 10.1021/ic502251p] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
| | | | | | | | - Dawid Pinkowicz
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, United States
- Faculty of Chemistry, Jagiellonian University, Ingardena 3, 30-060 Kraków, Poland
| | | | - Kim R. Dunbar
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, United States
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Ishida Y, Kawaguchi H. Methylene-Linked Anilide—Bis(aryloxide) Ligands: Lithium, Sodium, Potassium, Chromium(III), and Vanadium(III) Ligation. Inorg Chem 2014; 53:6775-87. [DOI: 10.1021/ic5005853] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Yutaka Ishida
- Department of Chemistry, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-8551, Japan
| | - Hiroyuki Kawaguchi
- Department of Chemistry, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo 152-8551, Japan
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15
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O'Reilly ME, Veige AS. Trianionic pincer and pincer-type metal complexes and catalysts. Chem Soc Rev 2014; 43:6325-69. [DOI: 10.1039/c4cs00111g] [Citation(s) in RCA: 142] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
This review provides a comprehensive examination of the synthesis, characterization, properties, and catalytic applications of trianionic pincer metal complexes.
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Affiliation(s)
| | - Adam S. Veige
- Center for Catalysis
- University of Florida
- Gainesville, USA
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16
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O’Reilly ME, Nadif SS, Ghiviriga I, Abboud KA, Veige AS. Synthesis and Characterization of Tungsten Alkylidene and Alkylidyne Complexes Supported by a New Pyrrolide-Centered Trianionic ONO3– Pincer-Type Ligand. Organometallics 2013. [DOI: 10.1021/om4009422] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Matthew E. O’Reilly
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Soufiane S. Nadif
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
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17
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Synthesis and characterization of trianionic pincer-type complexes of tantalum(V) including solid (X-ray) and solution (NMR) state assignment of an intraligand N–H—F hydrogen bonding interaction. Polyhedron 2013. [DOI: 10.1016/j.poly.2013.07.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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18
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Stepovik LP, Potkina AY, Poddelskii AI. Oxidizing properties of the tert-butyl hydroperoxide-tetra-tert-butoxychromium system. RUSS J GEN CHEM+ 2013. [DOI: 10.1134/s1070363213110066] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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19
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O'Reilly ME, Ghiviriga I, Abboud KA, Veige AS. Unusually stable tungstenacyclobutadienes featuring an ONO trianionic pincer-type ligand. Dalton Trans 2013; 42:3326-36. [DOI: 10.1039/c2dt32653a] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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McGowan KP, O'Reilly ME, Ghiviriga I, Abboud KA, Veige AS. Compelling mechanistic data and identification of the active species in tungsten-catalyzed alkyne polymerizations: conversion of a trianionic pincer into a new tetraanionic pincer-type ligand. Chem Sci 2013. [DOI: 10.1039/c2sc21750c] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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21
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A neutral trianionic pincer [NCN]CrIV–Me complex as a highly active ethylene polymerization precatalyst. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.03.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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22
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O’Reilly ME, Ghiviriga I, Abboud KA, Veige AS. A New ONO3- Trianionic Pincer-Type Ligand for Generating Highly Nucleophilic Metal–Carbon Multiple Bonds. J Am Chem Soc 2012; 134:11185-95. [DOI: 10.1021/ja302222s] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Matthew E. O’Reilly
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville,
Florida 32611, United States
| | - Ion Ghiviriga
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville,
Florida 32611, United States
| | - Khalil A. Abboud
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville,
Florida 32611, United States
| | - Adam S. Veige
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville,
Florida 32611, United States
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Sarkar S, McGowan KP, Kuppuswamy S, Ghiviriga I, Abboud KA, Veige AS. An OCO3– Trianionic Pincer Tungsten(VI) Alkylidyne: Rational Design of a Highly Active Alkyne Polymerization Catalyst. J Am Chem Soc 2012; 134:4509-12. [DOI: 10.1021/ja2117975] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Soumya Sarkar
- Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, Florida 32611,
United States
| | - Kevin P. McGowan
- Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, Florida 32611,
United States
| | - Subramaniam Kuppuswamy
- Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, Florida 32611,
United States
| | - Ion Ghiviriga
- Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, Florida 32611,
United States
| | - Khalil A. Abboud
- Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, Florida 32611,
United States
| | - Adam S. Veige
- Center for Catalysis, Department of Chemistry, University of Florida, Gainesville, Florida 32611,
United States
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Tonks IA, Tofan D, Weintrob EC, Agapie T, Bercaw JE. Zirconium and Titanium Propylene Polymerization Precatalysts Supported by a Fluxional C2-Symmetric Bis(anilide)pyridine Ligand. Organometallics 2012. [DOI: 10.1021/om201262h] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ian A. Tonks
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California
91125, United States
| | - Daniel Tofan
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California
91125, United States
| | - Edward C. Weintrob
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California
91125, United States
| | - Theodor Agapie
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California
91125, United States
| | - John E. Bercaw
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California
91125, United States
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Sattler A, Parkin G. A New Class of Transition Metal Pincer Ligand: Tantalum Complexes that Feature a [CCC] X3-Donor Array Derived from a Terphenyl Ligand. J Am Chem Soc 2012; 134:2355-66. [DOI: 10.1021/ja210404x] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Aaron Sattler
- Department of Chemistry, Columbia University, New York, New York 10027, United
States
| | - Gerard Parkin
- Department of Chemistry, Columbia University, New York, New York 10027, United
States
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O'Reilly ME, Del Castillo TJ, Abboud KA, Veige AS. The influence of reversible trianionic pincer OCO3−μ-oxo Crivdimer formation ([Criv]2(μ-O)) and donor ligands in oxygen-atom-transfer (OAT). Dalton Trans 2012; 41:2237-46. [DOI: 10.1039/c1dt11104c] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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27
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García-Monforte MA, Alonso PJ, Arauzo AB, Martín A, Menjón B, Rillo C. A square-pyramidal organochromium(v) compound. Dalton Trans 2012; 41:1297-303. [DOI: 10.1039/c1dt11376c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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MacLeod KC, Patrick BO, Smith KM. Reactivity of Cr(III) μ-Oxo Compounds: Catalyst Regeneration and Atom Transfer Processes. Inorg Chem 2011; 51:688-700. [PMID: 22175660 DOI: 10.1021/ic202233f] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- K. Cory MacLeod
- Department of Chemistry, University of British Columbia Okanagan, 3333 University
Way, Kelowna, BC, Canada V1V 1V7
| | - Brian O. Patrick
- Department of Chemistry, University of British Columbia, Vancouver, British
Columbia, Canada V6T 1Z1
| | - Kevin M. Smith
- Department of Chemistry, University of British Columbia Okanagan, 3333 University
Way, Kelowna, BC, Canada V1V 1V7
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29
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Jan MT, Sarkar S, Kuppuswamy S, Ghiviriga I, Abboud KA, Veige AS. Synthesis and characterization of a trianionic pincer supported Mo-alkylidene anion and alkyne insertion into a Mo(IV)-Cpincer bond to form metallocyclopropene(η2-vinyl) complexes. J Organomet Chem 2011. [DOI: 10.1016/j.jorganchem.2011.06.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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30
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McGowan KP, Abboud KA, Veige AS. Trianionic NCN3– Pincer Complexes of Chromium in Four Oxidation States (CrII, CrIII, CrIV, CrV): Determination of the Active Catalyst in Selective 1-Alkene to 2-Alkene Isomerization. Organometallics 2011. [DOI: 10.1021/om200547u] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Kevin P. McGowan
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
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O’Reilly ME, Del Castillo TJ, Falkowski JM, Ramachandran V, Pati M, Correia MC, Abboud KA, Dalal NS, Richardson DE, Veige AS. Autocatalytic O2 Cleavage by an OCO3– Trianionic Pincer CrIII Complex: Isolation and Characterization of the Autocatalytic Intermediate [CrIV]2(μ-O) Dimer. J Am Chem Soc 2011; 133:13661-73. [DOI: 10.1021/ja2050474] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Matthew E. O’Reilly
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Trevor J. Del Castillo
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Joseph M. Falkowski
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Vasanth Ramachandran
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Mekhala Pati
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - Marie C. Correia
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Naresh S. Dalal
- Department of Chemistry and Biochemistry, Florida State University, Tallahassee, Florida 32306, United States
| | - David E. Richardson
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- Department of Chemistry, Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
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Akagi F, Ishida Y, Matsuo T, Kawaguchi H. Synthesis and reactivity of niobium complexes having a tripodal triaryloxide ligand in bidentate, tridentate, and tetradentate coordination modes. Dalton Trans 2011; 40:2375-82. [PMID: 21249259 DOI: 10.1039/c0dt01022g] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis and reactivity of niobium complexes incorporating a tripodal triphenol (tris(3,5-tert-butyl-2-hydroxylphenyl)methane = H(3)[O(3)]) have been investigated. Addition of one equivalent of NbCl(5) in CH(3)CN to H(3)[O(3)] in toluene led to partial HCl elimination, giving [H(O(3))]NbCl(3)(CH(3)CN) (1) with a bidendtate bis(aryloxide) ligand and a pendant phenol arm. Treatment of 1 with THF afforded [H(O(3))]NbCl(3)(THF) (2). Deprotonation of 1 with NEt(3) in toluene promoted coordination of the pendant phenol group to generate (Et(3)NH)[(syn-O(3))NbCl(3)] (3-syn). Prolonged heating of 3-syn resulted in clean conversion to the anti isomer (3-anti). Attempted deprotonation of 2 with PhCH(2)MgCl provided [H(O(3))]Nb(CH(2)Ph)(3) (4), in which alkylation took place at the metal center but the pendant phenol arm remained intact. When 3-syn was treated with PhCH(2)MgCl, [O(3)C]Nb(CH(2)Ph) (5) was produced via C-H activation of the methine C-H bond. The analogous reaction with 3-anti provided a benzylidene complex [anti-O(3)]Nb(CHPh)(THF) (6). During the course of the reaction, the anti ligand conformation is retained. Upon heating, 4 underwent methine C-H and phenol O-H activation, yielding the metalatrane 5. Complexes 1, 3-syn, 3-anti, 4, and 5 were characterized by X-ray diffraction.
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Affiliation(s)
- Fumio Akagi
- Department of Chemistry, Tokyo Institute of Technology, Ookayama, Meguro-ku, Tokyo, Japan
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Sharma SK, May PS, Jones MB, Lense S, Hardcastle KI, MacBeth CE. Catalytic dioxygen activation by Co(ii) complexes employing a coordinatively versatile ligand scaffold. Chem Commun (Camb) 2011; 47:1827-9. [DOI: 10.1039/c0cc04671j] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Kuppuswamy S, Ghiviriga I, Abboud KA, Veige AS. Activation of an Aryl C−H Bond Converts Chelating Diphenolate Ligands Bound to Zirconium into Trianionic Pincer Ligands: σ-Donor Ligand Effects versus Thermolysis. Organometallics 2010. [DOI: 10.1021/om100732d] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Subramaniam Kuppuswamy
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Khalil A. Abboud
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
| | - Adam S. Veige
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611, United States
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Sarkar S, Culver JA, Peloquin AJ, Ghiviriga I, Abboud KA, Veige AS. Primary Carbon-Nitrogen Bond Scission and Methyl Dehydrogenation across a WW Multiple Bond. Angew Chem Int Ed Engl 2010; 49:9711-4. [DOI: 10.1002/anie.201004233] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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Sarkar S, Culver JA, Peloquin AJ, Ghiviriga I, Abboud KA, Veige AS. Primary Carbon-Nitrogen Bond Scission and Methyl Dehydrogenation across a WW Multiple Bond. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201004233] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Groysman S, Villagrán D, Nocera DG. Pseudotetrahedral d(0), d(1), and d(2) metal-oxo cores within a tris(alkoxide) platform. Inorg Chem 2010; 49:10759-61. [PMID: 21049961 DOI: 10.1021/ic101968s] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Low-coordinate first-row metal complexes of d(0) [vanadium(V)], d(1) [chromium(V)], and d(2) [chromium(IV)] assume the unusual ligand field of a pseudotetrahedron when supported by a tripodal tBu(2)(Me)CO(-) alkoxide framework. Structural, spectroscopic, and reactivity studies, supported by density functional theory calculations, indicate that the d electrons in the chromium(V) and -(IV) oxo complexes reside in metal-oxygen antibonding orbitals, engendering disparate reactivity of the metal-oxo, depending on the number of d electrons present.
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Affiliation(s)
- Stanislav Groysman
- Department of Chemistry, 6-335, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139-4307, United States
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38
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Kuppuswamy S, Peloquin AJ, Ghiviriga I, Abboud KA, Veige AS. Synthesis and Characterization of Tungsten(VI) Alkylidene Complexes Supported by an [OCO]3− Trianionic Pincer Ligand: Progress towards the [tBuOCO]W≡CC(CH3)3 Fragment. Organometallics 2010. [DOI: 10.1021/om100189b] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Subramaniam Kuppuswamy
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Andrew J. Peloquin
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Ion Ghiviriga
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Khalil A. Abboud
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Adam S. Veige
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
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Golisz SR, Labinger JA, Bercaw JE. Intramolecular C−H Activation of a Bisphenolate(benzene)-Ligated Titanium Dibenzyl Complex. Competing Pathways Involving α-Hydrogen Abstraction and σ-Bond Metathesis. Organometallics 2010. [DOI: 10.1021/om100253u] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Suzanne R. Golisz
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
| | - Jay A. Labinger
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
| | - John E. Bercaw
- Arnold and Mabel Beckman Laboratories of Chemical Synthesis, California Institute of Technology, Pasadena, California 91125
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Sarkar S, McGowan KP, Culver JA, Carlson AR, Koller J, Peloquin AJ, Veige MK, Abboud KA, Veige AS. NCN Trianionic Pincer Ligand Precursors: Synthesis of Bimetallic, Chelating Diamide, and Pincer Group IV Complexes. Inorg Chem 2010; 49:5143-56. [DOI: 10.1021/ic100232s] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Soumya Sarkar
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Kevin P. McGowan
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Jeffrey A. Culver
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Adam R. Carlson
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Jürgen Koller
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Andrew J. Peloquin
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Melanie K. Veige
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Khalil A. Abboud
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
| | - Adam S. Veige
- Center for Catalysis, University of Florida, P.O. Box 117200, Gainesville, Florida 32611
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