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Buchner MR, Kreuzer LK, Thomas-Hargreaves LR, Müller M, Ivlev SI, Frenking G, Pan S. Mono-Ortho-Beryllated Carbodiphosphoranes: Synthesis, Structure, Bonding and Reactivity. Chemistry 2024; 30:e202400966. [PMID: 38530217 DOI: 10.1002/chem.202400966] [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: 03/08/2024] [Revised: 03/26/2024] [Accepted: 03/26/2024] [Indexed: 03/27/2024]
Abstract
The reaction of organoberyllium compounds with hexaphenylcarbodiphosphorane yields mono-ortho-beryllated complexes, which feature a double dative Be=C bond. The bonding situation in these compounds together with a simple carbodiphosphorane and an N-heterocyclic carbene adduct was analysed with energy decomposition analysis in combination with natural orbital for chemical valence as well as with quantum theory of atoms-in-molecules. Furthermore, the driving forces accountable for mono-ortho-beryllation were elucidated along with the reactivity of the Be=C bond.
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Affiliation(s)
- Magnus R Buchner
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
| | - Lukas K Kreuzer
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
| | | | - Matthias Müller
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
| | - Sergei I Ivlev
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
| | - Gernot Frenking
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032, Marburg, Germany
| | - Sudip Pan
- Sudip Pan, Institute of Atomic and Molecular Physics, Jilin University, Changchun, 130023, China
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2
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Parveen D, Yadav RK, Roy DK. Recent progress in beryllium organometallic chemistry. Chem Commun (Camb) 2024; 60:1663-1673. [PMID: 38260953 DOI: 10.1039/d3cc04844f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
Beryllium possesses a unique amalgamation of characteristics, its electronegativity included, that not only make it a vital component in a wide range of technical sectors and consumer industries, but also make it an interesting candidate for forming covalently bonded compounds. However, the extremely toxic nature of beryllium, which can cause chronic beryllium disease, has limited the exploration of its chemistry, making beryllium one of the least studied (non-radioactive) elements. The development of selective chelating ligands, sterically encumbered substituents and, moreover, the boom of N-heterocyclic carbenes in organometallic chemistry and main group chemistry has revived the interest in beryllium chemistry. Therefore, some quite remarkable progress in the coordination and organometallic chemistry of beryllium has been made in the last two decades. For example, low oxidation state beryllium compounds, antiaromatic/aromatic beryllium compounds, where beryllium is involved in π-electron delocalization, and the isolation of beryllium-beryllium bonded species have all been achieved. This article provides an oversight over the recent developments in the organometallic chemistry of beryllium.
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Affiliation(s)
- Darakshan Parveen
- Department of Chemistry, Indian Institute of Technology Indore, Madhya Pradesh, 453552, India.
| | - Rahul Kumar Yadav
- Department of Chemistry, Indian Institute of Technology Indore, Madhya Pradesh, 453552, India.
| | - Dipak Kumar Roy
- Department of Chemistry, Indian Institute of Technology Indore, Madhya Pradesh, 453552, India.
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3
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Obi AD, Deng CL, Alexis AJ, Dickie DA, Gilliard RJ. Geminal bimetallic coordination of a carbone to main-group and transition metals. Chem Commun (Camb) 2024. [PMID: 38284335 DOI: 10.1039/d3cc06226k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
The non-bonding carbone lone pair in geometrically-constrained antimony and bismuth carbodiphosphorane complexes readily complexed AuCl to afford rare examples of geminal bimetallic carbone coordination featuring a main-group metal.
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Affiliation(s)
- Akachukwu D Obi
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia, 22904, USA
| | - Chun-Lin Deng
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Building 18-596, Cambridge, MA 02139-4307, USA.
| | - Andrew J Alexis
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia, 22904, USA
| | - Diane A Dickie
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia, 22904, USA
| | - Robert J Gilliard
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Building 18-596, Cambridge, MA 02139-4307, USA.
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4
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Polaczek J, Kieca K, Oszajca M, Impert O, Katafias A, Chatterjee D, Ćoćić D, Puchta R, Stochel G, Hubbard CD, van Eldik R. A Personal Account on Inorganic Reaction Mechanisms. CHEM REC 2023:e202300278. [PMID: 37821418 DOI: 10.1002/tcr.202300278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 09/22/2023] [Indexed: 10/13/2023]
Abstract
The presented Review is focused on the latest research in the field of inorganic chemistry performed by the van Eldik group and his collaborators. The first part of the manuscript concentrates on the interaction of nitric oxide and its derivatives with biologically important compounds. We summarized mechanistic information on the interaction between model porphyrin systems (microperoxidase) and NO as well as the recent studies on the formation of nitrosylcobalamin (CblNO). The following sections cover the characterization of the Ru(II)/Ru(III) mixed-valence ion-pair complexes, including Ru(II)/Ru(III)(edta) complexes. The last part concerns the latest mechanistic information on the DFT techniques applications. Each section presents the most important results with the mechanistic interpretations.
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Affiliation(s)
- Justyna Polaczek
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Konrad Kieca
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
- Jagiellonian University, Doctoral School of Exact and Natural Sciences, Kraków, 30-348, Krakow, Poland
| | - Maria Oszajca
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Olga Impert
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
| | - Anna Katafias
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
| | - Debabrata Chatterjee
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
- Vice-Chancellor's Research Group, Zoology Department, University of Burdwan, Burdwan, 713104, India
| | - Dušan Ćoćić
- University of Kragujevac, Faculty of Science, Department of Chemistry, Radoja Domanovića 12, P. O. Box 60, 34000, Kragujevac, Serbia
| | - Ralph Puchta
- Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Egerlandstrasse 1, 91058, Erlangen, Germany
- Central Institute for Scientific Computing (CISC), University of Erlangen-Nuremberg, Martensstr. 5a, 91058, Erlangen, Germany
- Computer Chemistry Center, Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Nägelsbachstr. 25, 91052, Erlangen, Germany
| | - Grażyna Stochel
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Kraków, Poland
| | - Colin D Hubbard
- Department of Chemistry, University of New Hampshire, Durham, 03824, USA
| | - Rudi van Eldik
- Department of Chemistry and Pharmacy, University of Erlangen-Nuremberg, Egerlandstrasse 1, 91058, Erlangen, Germany
- Faculty of Chemistry, Nicolaus Copernicus University in Torun, Gagarina 7, 87-100, Torun, Poland
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Trujillo-González DE, González-García G, Jiménez-Halla JOC, Solà M. Beryllium compounds for the carbon-halogen bond activation of phenyl halides: the role of non-innocent ligands. Dalton Trans 2023; 52:13068-13078. [PMID: 37700680 DOI: 10.1039/d3dt02251j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023]
Abstract
Beryllium is a metallomimetic main-group element, i.e., it behaves similarly to transition metals (TMs) in some bond activation processes. To investigate the ability of Be compounds to activate C-X bonds (X = F-I), we have computationally investigated, using DFT methods, the reaction of (CAAC)2Be (CAAC = 1-(2,6-diisopropylphenyl)-3,3,5,5-tetramethylpyrrolidin-2-ylidene) and a series of five-membered heterocyclic beryllium bidentate ligands with phenyl halides. We have analysed all plausible reaction mechanisms and our results show that, after the initial C-X oxidative addition, migration of the phenyl group occurs towards the less electronegative heteroatom. Our theoretical study highlights the important role of bidentate non-innocent ligands in providing the required electrons for the initial Ph-X oxidative addition. In contrast, the monodentate ligand, CAAC, does not favour this oxidative addition.
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Affiliation(s)
- Daniel E Trujillo-González
- Departamento de Química, Campus Guanajuato, Universidad de Guanajuato, Noria Alta S/N, CP 36050, Guanajuato, Gto, Mexico.
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany, 69, 17003 Girona, Catalonia, Spain.
| | - Gerardo González-García
- Departamento de Química, Campus Guanajuato, Universidad de Guanajuato, Noria Alta S/N, CP 36050, Guanajuato, Gto, Mexico.
| | - J Oscar C Jiménez-Halla
- Departamento de Química, Campus Guanajuato, Universidad de Guanajuato, Noria Alta S/N, CP 36050, Guanajuato, Gto, Mexico.
| | - Miquel Solà
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, C/ Maria Aurèlia Capmany, 69, 17003 Girona, Catalonia, Spain.
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6
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Warring LS, Walley JE, Dickie DA, Tiznado W, Pan S, Gilliard RJ. Lewis Superacidic Heavy Pnictaalkene Cations: Comparative Assessment of Carbodicarbene-Stibenium and Carbodicarbene-Bismuthenium Ions. Inorg Chem 2022; 61:18640-18652. [DOI: 10.1021/acs.inorgchem.2c03135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Levi S. Warring
- Department of Chemistry, University of Virginia, McCormick Road, P.O. Box 400319, Charlottesville, Virginia 22904, United States
| | - Jacob E. Walley
- Department of Chemistry, University of Virginia, McCormick Road, P.O. Box 400319, Charlottesville, Virginia 22904, United States
| | - Diane A. Dickie
- Department of Chemistry, University of Virginia, McCormick Road, P.O. Box 400319, Charlottesville, Virginia 22904, United States
| | - William Tiznado
- Computational and Theoretical Chemistry Group, Departamento de Ciencias Químicas, Facultad de Ciencias Exactas, Universidad Andres Bello, República 270, Santiago 8370146, Chile
| | - Sudip Pan
- Philipps-Universität Marburg Hans-Meerwein-Straße, Marburg 35032, Germany
- Institute of Atomic and Molecular Physics, Jilin University, Changchun 130023, China
| | - Robert J. Gilliard
- Department of Chemistry, University of Virginia, McCormick Road, P.O. Box 400319, Charlottesville, Virginia 22904, United States
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7
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PETZ W, NEUMÜLLER B. Crystal Structure of [Dihydrido-hexaphenylcarbodiphosphoran][chlorid][trichlorido-triphenylphosphino-platinat]. X-RAY STRUCTURE ANALYSIS ONLINE 2021. [DOI: 10.2116/xraystruct.37.33] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Wolfgang PETZ
- Department of Chemistry, Philipps University of Marburg
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8
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Paparo A, Matthews AJR, Smith CD, Edwards AJ, Yuvaraj K, Jones C. N-Heterocyclic carbene, carbodiphosphorane and diphosphine adducts of beryllium dihalides: synthesis, characterisation and reduction studies. Dalton Trans 2021; 50:7604-7609. [PMID: 33988210 DOI: 10.1039/d1dt01393a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Reaction of several N-heterocyclic carbenes, a carbodiphosphorane, and bis(diphenylphosphino)ethane (DPPE) with [BeX2(OEt2)2] (X = Br or I) have yielded a variety of beryllium dihalide adduct complexes, all of which were crystallographically characterised. Attempts to reduce the compounds to low oxidation state beryllium complexes using a variety of reducing agents have been carried out, but were of limited success. However, reaction of [(IPr)BeBr2] (IPr = :C{(DipNCH)2}; Dip = 2,6-diisopropylphenyl) with the aluminium(i) heterocycle, [:Al(DipNacnac)] (DipNacnac = [HC(MeCNDip)2]-) afforded the adduct complex, [{(IPr)(Br)Be(μ-H)}2], while reduction of [(IPr)BeBr2] with potassium naphthalenide gave the beryllium naphthalenediyl complex, [(IPr)Be(C10H8)]. Furthermore, reaction of [{(DPPE)BeI2}∞], with [:Al(DipNacnac)] led to insertion of the Al centre of the heterocycle into a Be-I bond, and formation of a rare example of an Al-Be bonded complex, [(DPPE)(i)Be-Al(i)(DipNacnac)].
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Affiliation(s)
- Albert Paparo
- School of Chemistry, PO Box 23, Monash University, VIC 3800, Australia.
| | | | - Cory D Smith
- School of Chemistry, PO Box 23, Monash University, VIC 3800, Australia.
| | - Alison J Edwards
- Australian Centre for Neutron Scattering, Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia
| | - K Yuvaraj
- School of Chemistry, PO Box 23, Monash University, VIC 3800, Australia.
| | - Cameron Jones
- School of Chemistry, PO Box 23, Monash University, VIC 3800, Australia.
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9
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Münzer JE, Sieg GH, Vehlies R, Fuzon PA, Xie X, Neumüller B, Kuzu I. Cationic group 1 carbodiphosphorane complexes. Polyhedron 2021. [DOI: 10.1016/j.poly.2020.115014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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10
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Petz W, Neumüller B, Heitbaum M, Weller F. About the Reaction of C(PPh
3
)
2
with [M(CO)
6
] (M = Cr, Mo): Unusual Formation of μ‐Carbonato Complexes of Mo under Participation of THF. Z Anorg Allg Chem 2020. [DOI: 10.1002/zaac.201900290] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wolfgang Petz
- Fachbereich Chemie Philipps‐Universität Marburg Hans‐Meerwein‐Strasse 35032 Marburg Germany
| | - Bernhard Neumüller
- Fachbereich Chemie Philipps‐Universität Marburg Hans‐Meerwein‐Strasse 35032 Marburg Germany
| | - Maya Heitbaum
- Fachbereich Chemie Philipps‐Universität Marburg Hans‐Meerwein‐Strasse 35032 Marburg Germany
| | - Frank Weller
- Fachbereich Chemie Philipps‐Universität Marburg Hans‐Meerwein‐Strasse 35032 Marburg Germany
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11
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Buchner MR, Pan S, Poggel C, Spang N, Müller M, Frenking G, Sundermeyer J. Di-ortho-beryllated Carbodiphosphorane: A Compound with a Metal–Carbon Double Bond to an Element of the s-Block. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00434] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Magnus R. Buchner
- Nachwuchsgruppe Berylliumchemie, Anorganische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
| | - Sudip Pan
- Theoretische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
| | - Christina Poggel
- Anorganische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
| | - Nils Spang
- Nachwuchsgruppe Berylliumchemie, Anorganische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
| | - Matthias Müller
- Nachwuchsgruppe Berylliumchemie, Anorganische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
| | - Gernot Frenking
- Theoretische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
| | - Jörg Sundermeyer
- Anorganische Chemie, Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Straße 4, 35032 Marburg, Germany
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12
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Walley JE, Dickie DA, Gilliard RJ. Crystallographic study of a heteroleptic chloroberyllium borohydride carbodicarbene complex. ZEITSCHRIFT FUR NATURFORSCHUNG SECTION B-A JOURNAL OF CHEMICAL SCIENCES 2020. [DOI: 10.1515/znb-2020-0033] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
Interest in beryllium, the lightest member of group 2 elements, has grown substantially within the synthetic community. Herein, we report the synthesis and crystal structure of a heteroleptic haloberyllium borohydride bis(1-isopropyl-3-methyl-benzimidazol-2-ylidene)methane ‘carbodicarbene’ (CDC) complex [(CDC)BeCl(BH4)]. Crystallographic data: Triclinic space group P1̅, a = 8.8695(14), b = 12.394(2), c = 16.844(3) Å, α = 102.395(4), β = 96.456(4), γ = 99.164(4)°, wR2 (all data) = 0.2706 for 6720 unique data and 357 refined parameters.
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Affiliation(s)
- Jacob E. Walley
- Department of Chemistry , University of Virginia , 409 McCormick Rd, PO Box 400319 , Charlottesville, VA , USA
| | - Diane A. Dickie
- Department of Chemistry , University of Virginia , 409 McCormick Rd, PO Box 400319 , Charlottesville, VA , USA
| | - Robert J. Gilliard
- Department of Chemistry , University of Virginia , 409 McCormick Rd, PO Box 400319 , Charlottesville, VA , USA
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13
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Pan S, Jana G, Saha R, Zhao L, Chattaraj PK. Intriguing structural, bonding and reactivity features in some beryllium containing complexes. Phys Chem Chem Phys 2020; 22:27476-27495. [DOI: 10.1039/d0cp04912c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We highlighted our contributions to Be chemistry which include bond-stretch isomerism in Be32− species, Be complexes bound with noble gas, CO, and N2, Be based nanorotors, and intriguing bonding situations in some Be complexes.
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Affiliation(s)
- Sudip Pan
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
| | - Gourhari Jana
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur
- India
| | - Ranajit Saha
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur
- India
| | - Lili Zhao
- Institute of Advanced Synthesis
- School of Chemistry and Molecular Engineering
- Jiangsu National Synergetic Innovation Center for Advanced Materials
- Nanjing Tech University
- Nanjing
| | - Pratim K. Chattaraj
- Department of Chemistry
- Indian Institute of Technology Kharagpur
- Kharagpur
- India
- Department of Chemistry
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14
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Abstract
Recently, we have witnessed significant progress with regard to the synthesis of molecular alkaline earth metal reagents and catalysts. To provide new precursors for light alkaline earth metal chemistry, molecular aryloxide and alkoxide complexes of beryllium and magnesium are reported. The reaction of beryllium chloride dietherate with two equivalents of 1,3-diisopropyl-4,5-dimethylimidizol-2-ylidine (sIPr) results in the formation of a bis(N-heterocyclic carbene) (NHC) beryllium dichloride complex, (sIPr)2BeCl2 (1). Compound 1 reacts with lithium diisopropylphenoxide (LiODipp) or sodium ethoxide (NaOEt) to form the terminal aryloxide (sIPr)Be(ODipp)2 (2) and alkoxide dimer [(sIPr)Be(OEt)Cl]2 (3), respectively. Compounds 2 and 3 represent the first beryllium alkoxide and aryloxide species supported by NHCs. Structurally related dimers of magnesium, [(sIPr)Mg(OEt)Brl]2 (4) and [(sIPr)Mg(OEt)Me]2 (5), were also prepared. Compounds 1-5 were characterized by single crystal X-ray diffraction studies, 1H, 13C, and 9Be NMR spectroscopy where applicable.
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15
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Münzer JE, Kneusels NJH, Weinert B, Neumüller B, Kuzu I. Hexaphenyl carbodiphosphorane adducts of heavier group 15 element trichlorides: syntheses, properties and reactivities. Dalton Trans 2019; 48:11076-11085. [PMID: 31257392 DOI: 10.1039/c9dt01784d] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Herein, we present a series of hexaphenyl carbodiphosphorane (CDPPh) adducts of heavier group 15 trichlorides ECl3 (E = P-Bi). The reaction with PCl3 yields the known salt [CDPPh-PCl2][Cl] ([1][Cl]), the heavier element trichlorides ECl3 (E = Sb (4), Bi (5)) give the neutral adducts CDPPh-ECl3 which were characterised crystallographically and spectroscopically. The reaction of CDPPh with AsCl3 does not yield CDPPh-AsCl3 (2), but in the presence of GaCl3 the corresponding salt [CDPPh-AsCl2][GaCl4] ([3][GaCl4]) is formed. DFT (density functional theory) calculations were carried out to examine the molecular frontier orbitals in 1+-5. Additional reactivity studies revealed an intramolecular electrophilic aromatic substitution (SEAr) in 1+, which represents an excellent starting point for further selective C-P bond formation reactions.
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Affiliation(s)
- Jörn E Münzer
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany.
| | - Nis-Julian H Kneusels
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany.
| | - Bastian Weinert
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany.
| | - Bernhard Neumüller
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany.
| | - Istemi Kuzu
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany.
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16
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Walley JE, Obi AD, Breiner G, Wang G, Dickie DA, Molino A, Dutton JL, Wilson DJD, Gilliard RJ. Cyclic(alkyl)(amino) Carbene-Promoted Ring Expansion of a Carbodicarbene Beryllacycle. Inorg Chem 2019; 58:11118-11126. [DOI: 10.1021/acs.inorgchem.9b01643] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Jacob E. Walley
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia 22904, United States
| | - Akachukwu D. Obi
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia 22904, United States
| | - Grace Breiner
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia 22904, United States
| | - Guocang Wang
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia 22904, United States
| | - Diane A. Dickie
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia 22904, United States
| | - Andrew Molino
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Australia
| | - Jason L. Dutton
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Australia
| | - David J. D. Wilson
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Australia
| | - Robert J. Gilliard
- Department of Chemistry, University of Virginia, 409 McCormick Road, PO Box 400319, Charlottesville, Virginia 22904, United States
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17
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Buchner MR. Recent Contributions to the Coordination Chemistry of Beryllium. Chemistry 2019; 25:12018-12036. [DOI: 10.1002/chem.201901766] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Revised: 06/03/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Magnus R. Buchner
- Anorganische Chemie, Nachwuchsgruppe BerylliumchemieFachbereich ChemiePhilipps-Universität Marburg Hans-Meerwein-Strasse 4 35032 Marburg Germany
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18
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Quinlivan PJ, Shlian DG, Amemiya E, Parkin G. Reactivity of the carbodiphosphorane, (Ph 3P) 2C, towards main group metal alkyl compounds: coordination and cyclometalation. Dalton Trans 2019; 48:9139-9151. [PMID: 31145405 DOI: 10.1039/c9dt00678h] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The carbodiphosphorane, (Ph3P)2C, reacts with Me3Al and Me3Ga to afford the adducts, [(Ph3P)2C]AlMe3 and [(Ph3P)2C]GaMe3, which have been structurally characterized by X-ray diffraction. (Ph3P)2C also reacts with Me2Zn and Me2Cd to generate an adduct but the formation is reversible on the NMR time scale. At elevated temperatures, however, elimination of methane and cyclometalation occurs to afford [κ2-Ph3PC{PPh2(C6H4)}]ZnMe and [κ2-Ph3PC{PPh2(C6H4)}]CdMe. Analogous cyclometalated products, [κ2-Ph3P{CPPh2(C6H4)}]ZnN(SiMe3)2 and [κ2-Ph3P{CPPh2(C6H4)}]CdN(SiMe3)2, are also obtained upon reaction of (Ph3P)2C with Zn[N(SiMe3)2]2 and Cd[N(SiMe3)2]2. The magnesium compounds, Me2Mg and {Mg[N(SiMe3)2]2}2, likewise react with (Ph3P)2C to afford cyclometalated derivatives, namely [κ2-Ph3PC{PPh2(C6H4)}]MgN(SiMe3)2 and {[κ2-Ph3PC{PPh2(C6H4)}]MgMe}2. While this reactivity is similar to the zinc system, the magnesium methyl complex is a dimer with bridging methyl groups, whereas the zinc complex is a monomer. The greater tendency of the methyl groups to bridge magnesium centers rather than zinc centers is supported by density functional theory calculations.
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Affiliation(s)
- Patrick J Quinlivan
- Department of Chemistry, Columbia University, New York, New York 10027, USA.
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19
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Fustier-Boutignon M, Nebra N, Mézailles N. Geminal Dianions Stabilized by Main Group Elements. Chem Rev 2019; 119:8555-8700. [PMID: 31194516 DOI: 10.1021/acs.chemrev.8b00802] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
This review is dedicated to the chemistry of stable and isolable species that bear two lone pairs at the same C center, i.e., geminal dianions, stabilized by main group elements. Three cases can thus be considered: the geminal-dilithio derivative, for which the two substituents at C are neutral, the yldiide derivatives, for which one substituent is neutral while the other is charged, and finally the geminal bisylides, for which the two substituents are positively charged. In this review, the syntheses and electronic structures of the geminal dianions are presented, followed by the studies dedicated to their reactivity toward organic substrates and finally to their coordination chemistry and applications.
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Affiliation(s)
- Marie Fustier-Boutignon
- UPS, CNRS, LHFA UMR 5069 , Université de Toulouse , 118 Route de Narbonne , 31062 Toulouse , France
| | - Noel Nebra
- UPS, CNRS, LHFA UMR 5069 , Université de Toulouse , 118 Route de Narbonne , 31062 Toulouse , France
| | - Nicolas Mézailles
- UPS, CNRS, LHFA UMR 5069 , Université de Toulouse , 118 Route de Narbonne , 31062 Toulouse , France
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20
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Theoretical assessment of donor–acceptor complexes [X(PPh3)2 → AlH2]+ (X = C–Pb): structures and bonding. Theor Chem Acc 2019. [DOI: 10.1007/s00214-019-2456-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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21
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Schuster JK, Roy DK, Lenczyk C, Mies J, Braunschweig H. New Outcomes of Beryllium Chemistry: Lewis Base Adducts for Salt Elimination Reactions. Inorg Chem 2019; 58:2652-2658. [DOI: 10.1021/acs.inorgchem.8b03263] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Julia K. Schuster
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry and Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Dipak Kumar Roy
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry and Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Carsten Lenczyk
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry and Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Jan Mies
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry and Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
| | - Holger Braunschweig
- Institut für Anorganische Chemie, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
- Institute for Sustainable Chemistry and Catalysis with Boron, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
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22
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Walley JE, Breiner G, Wang G, Dickie DA, Molino A, Dutton JL, Wilson DJD, Gilliard, Jr. RJ. s-Block carbodicarbene chemistry: C(sp3)–H activation and cyclization mediated by a beryllium center. Chem Commun (Camb) 2019; 55:1967-1970. [DOI: 10.1039/c8cc10022e] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first examples of carbodicarbene (CDC)-s-block complexes have been synthesized. Unusual C–H bond activation and cyclization discovered.
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Affiliation(s)
- Jacob E. Walley
- Department of Chemistry
- University of Virginia
- Charlottesville
- USA
| | - Grace Breiner
- Department of Chemistry
- University of Virginia
- Charlottesville
- USA
| | - Guocang Wang
- Department of Chemistry
- University of Virginia
- Charlottesville
- USA
| | - Diane A. Dickie
- Department of Chemistry
- University of Virginia
- Charlottesville
- USA
| | - Andrew Molino
- Department of Chemistry and Physics
- La Trobe Institute for Molecular Science
- La Trobe University
- Melbourne
- Australia
| | - Jason L. Dutton
- Department of Chemistry and Physics
- La Trobe Institute for Molecular Science
- La Trobe University
- Melbourne
- Australia
| | - David J. D. Wilson
- Department of Chemistry and Physics
- La Trobe Institute for Molecular Science
- La Trobe University
- Melbourne
- Australia
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23
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Alkorta I, Elguero J. Interaction ofN-Heterocyclic Carbenes and Simple Carbenes with Small Molecules (One to Three Atoms) Excluding Metals: Formation of Covalent C-X Bonds. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3331] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Ibon Alkorta
- Instituto de Química Médica; CSIC; Juan de la Cierva, 3 Madrid E-28006 Spain
| | - José Elguero
- Instituto de Química Médica; CSIC; Juan de la Cierva, 3 Madrid E-28006 Spain
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24
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Scheibe B, Buchner MR. Carboxylic Acid Ester Adducts of Beryllium Chloride and Their Role in the Synthesis of Beryllium Nitrates. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800177] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Benjamin Scheibe
- Anorganische Chemie; Arbeitsgruppe Fluorchemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35032 Marburg Germany
| | - Magnus R. Buchner
- Anorganische Chemie; Nachwuchsgruppe Berylliumchemie; Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 4 35032 Marburg Germany
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25
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Synthesis, Structure, and Reactivity of Carbodiphosphoranes, Carbodicarbenes, and Related Species. STRUCTURE AND BONDING 2017. [DOI: 10.1007/430_2017_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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26
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Field-Theodore TE, Couchman SA, Wilson DJD, Dutton JL. Carboberyllation: addition of organoberyllium species to alkenes and alkynes. A comparison with carboboration. Dalton Trans 2017; 46:7686-7692. [PMID: 28534575 DOI: 10.1039/c7dt01370a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The potential for carbometallation reactions between organoberyllium and model alkenes and alkynes has been investigated in a computational study. Results indicate that barriers for carbometallation reactions between BeR2 and alkynes are as low as 100 kJ mol-1, and much lower than corresponding reactions with MgR2. In contrast to carboboration reactions with BR3, with organoberyllium 1,2-addition is favoured over 1,1-addition. It is concluded that carbometallation reactions with beryllium are likely feasible, and that the reaction between BePh2 and alkynes provides the best opportunity for the first experimental observation of carboberyllation.
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Affiliation(s)
- Terri E Field-Theodore
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science, La Trobe University, Melbourne, Victoria, Australia3086.
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27
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Insights from domain-averaged Fermi hole (DAFH) analysis and multicenter bond indices into the nature of Be(0) bonding. Struct Chem 2017. [DOI: 10.1007/s11224-017-0914-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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28
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Pranckevicius C, Iovan DA, Stephan DW. Three and four coordinate Fe carbodiphosphorane complexes. Dalton Trans 2016; 45:16820-16825. [PMID: 27711768 DOI: 10.1039/c6dt03453e] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Carbodiphosphoranes (CDPs) are a family of divalent carbon ligands that are known for their exceptional electron donor properties. Herein, the preparation and reactivity of a family of three and four co-ordinate Fe carbodiphosphorane complexes is described. Hexaphenylcarbodiphosphorane (HCDP) [1] is shown to react with FeCl2(PPh3)2 to form the three coordinate adduct Fe(HCDP)Cl2 [2], which is equilibrium with its four coordinate dimer. Reaction of [2] with two equivalents of benzyl Grignard yields the corresponding dialkyl complex (HCDP)FeBn2 [3]. Combination of [2] with LiHMDS results in salt metathesis and the formation of the monosilylated derivative Fe(HCDP)Cl(N(SiMe3)2) [4]. Subsequent anion exchange leads to the three coordinate Fe(HCDP)(OTf)(N(SiMe3)2) [5] which was characterized crystallographically and in solution.
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Affiliation(s)
- Conor Pranckevicius
- Department of Chemistry, University of Toronto, 80 St George St., Toronto, ON, Canada M5S3H6.
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29
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Zhang Q, Jerabek P, Chen M, Zhou M, Frenking G. The Oxygen-Rich Beryllium Oxides BeO4 and BeO6. Angew Chem Int Ed Engl 2016; 55:10863-7. [PMID: 27494950 DOI: 10.1002/anie.201606154] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2016] [Indexed: 11/12/2022]
Abstract
Two novel isomers of BeO4 with the structures OBeOOO and OBe(O3 ) in the electronic triplet state have been prepared as well as the known disuperoxide complex Be(O2 )2 in solid noble-gas matrices. We also report the synthesis of the oxygen-rich bis(ozonide) complex Be(O3 )2 in the triplet state which has a D2d equilibrium geometry. The molecular structures were identified by infrared absorption spectroscopy with isotopic substitutions as well as quantum chemical calculations.
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Affiliation(s)
- Qingnan Zhang
- Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai, 200433, China
| | - Paul Jerabek
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35043, Marburg, Germany
| | - Mohua Chen
- Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai, 200433, China
| | - Mingfei Zhou
- Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials, Fudan University, Shanghai, 200433, China.
| | - Gernot Frenking
- Fachbereich Chemie, Philipps-Universität Marburg, Hans-Meerwein-Strasse, 35043, Marburg, Germany.
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30
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Dutton JL, Frenking G. Neue Wege in der s-Block-Chemie - Komplexe mit Beryllium in der Oxidationsstufe Null. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606244] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Jason L. Dutton
- Department of Chemistry and Physics; La Trobe Institute for Molecular Sciences; La Trobe University; Melbourne Victoria Australien
| | - Gernot Frenking
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Straße 1 35032 Marburg Deutschland
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31
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Dutton JL, Frenking G. New Avenues in s-Block Chemistry: Beryllium(0) Complexes. Angew Chem Int Ed Engl 2016; 55:13380-13382. [DOI: 10.1002/anie.201606244] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Indexed: 01/06/2023]
Affiliation(s)
- Jason L. Dutton
- Department of Chemistry and Physics; La Trobe Institute for Molecular Sciences; La Trobe University; Melbourne Victoria Australia
| | - Gernot Frenking
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 1 35032 Marburg Germany
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32
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Zhang Q, Jerabek P, Chen M, Zhou M, Frenking G. The Oxygen-Rich Beryllium Oxides BeO4
and BeO6. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606154] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Qingnan Zhang
- Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials; Fudan University; Shanghai 200433 China
| | - Paul Jerabek
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 35043 Marburg Germany
| | - Mohua Chen
- Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials; Fudan University; Shanghai 200433 China
| | - Mingfei Zhou
- Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysts and Innovative Materials; Fudan University; Shanghai 200433 China
| | - Gernot Frenking
- Fachbereich Chemie; Philipps-Universität Marburg; Hans-Meerwein-Strasse 35043 Marburg Germany
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33
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Münzer JE, Oña-Burgos P, Arrabal-Campos FM, Neumüller B, Tonner R, Fernández I, Kuzu I. Difluoroborenium Cation Stabilized by Hexaphenyl-Carbodiphosphorane: A Concise Study on the Molecular and Electronic Structure of [(Ph3P)2C⇉BF2][BF4]. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600519] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jörn E. Münzer
- Philipps-Universität Marburg; Fachbereich Chemie; Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Pascual Oña-Burgos
- Department of Chemistry and Physics; Laboratory of Organic Chemistry; University of Almería; Ctra. Sacramento s/n 04120 Almería Spain
| | - Francisco M. Arrabal-Campos
- Department of Chemistry and Physics; Laboratory of Organic Chemistry; University of Almería; Ctra. Sacramento s/n 04120 Almería Spain
| | - Bernhard Neumüller
- Philipps-Universität Marburg; Fachbereich Chemie; Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Ralf Tonner
- Philipps-Universität Marburg; Fachbereich Chemie; Hans-Meerwein-Straße 4 35032 Marburg Germany
| | - Ignacio Fernández
- Department of Chemistry and Physics; Laboratory of Organic Chemistry; University of Almería; Ctra. Sacramento s/n 04120 Almería Spain
- Laboratory of Organic Chemistry; BITAL, Research Centre for Agricultural and Food Biotechnology; Almería Spain
| | - Istemi Kuzu
- Philipps-Universität Marburg; Fachbereich Chemie; Hans-Meerwein-Straße 4 35032 Marburg Germany
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35
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Petz W. Addition compounds between carbones, CL2, and main group Lewis acids: A new glance at old and new compounds. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2015.01.007] [Citation(s) in RCA: 66] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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36
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Pranckevicius C, Fan L, Stephan DW. Cyclic bent allene hydrido-carbonyl complexes of ruthenium: highly active catalysts for hydrogenation of olefins. J Am Chem Soc 2015; 137:5582-9. [PMID: 25855868 DOI: 10.1021/jacs.5b02203] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A new family of ruthenium complexes bearing the carbodicarbene-type ligand "cyclic bent allene" (CBA) have been synthesized from the common precursor RuHCl(CO)(PPh3)3. Complexes were evaluated for catalytic activity in the room-temperature hydrogenation of unactivated olefins and were found to be significantly more active than known ruthenium hydrido-carbonyl phosphine or NHC complexes. In particular, RuH(OSO2CF3)(CO)(SIMes)(CBA) was found to be among the most active hydrogenation catalysts, achieving comparable activity to Crabtree's catalyst in the hydrogenation of unactivated trisubstituted olefins and superior activity in the hydrogenation of styrene derivatives in side-by-side catalytic runs. RuH(OSO2CF3)(CO)(SIMes)(CBA) was also found to be highly active in olefin selective hydrogenation in the presence of a variety of unsaturated functional groups, and can achieve exceptional diastereoselectivity in functional-group-directed hydrogenations at very low catalyst loadings.
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Affiliation(s)
- Conor Pranckevicius
- Department of Chemistry, University of Toronto. Toronto, Ontario M5S 3H6, Canada
| | - Louie Fan
- Department of Chemistry, University of Toronto. Toronto, Ontario M5S 3H6, Canada
| | - Douglas W Stephan
- Department of Chemistry, University of Toronto. Toronto, Ontario M5S 3H6, Canada
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37
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Kuzu I, Kneusels NJH, Bauer M, Neumüller B, Tonner R. Synthesis and Characterization of the Silylated Hexaphenyl Carbodiphosphorane [Me3SiC(PPh3)2][CF3SO3]. Z Anorg Allg Chem 2013. [DOI: 10.1002/zaac.201300545] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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38
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Morales-Meza S, Sanchez-Castro ME, Sanchez M. Penta- and heteropentadienyl ligands coordinated to beryllium. J Mol Model 2013; 19:5153-8. [PMID: 24100747 DOI: 10.1007/s00894-013-2002-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2013] [Accepted: 09/08/2013] [Indexed: 10/26/2022]
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39
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El-Hellani A, Monot J, Tang S, Guillot R, Bour C, Gandon V. Relationship between Gallium Pyramidalization in L·GaCl3 Complexes and the Electronic Ligand Properties. Inorg Chem 2013; 52:11493-502. [DOI: 10.1021/ic401817g] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ahmad El-Hellani
- ICMMO
(UMR CNRS
8182), Université Paris Sud, 91405 Orsay Cedex, France
| | - Julien Monot
- ICMMO
(UMR CNRS
8182), Université Paris Sud, 91405 Orsay Cedex, France
| | - Shun Tang
- ICMMO
(UMR CNRS
8182), Université Paris Sud, 91405 Orsay Cedex, France
| | - Régis Guillot
- ICMMO
(UMR CNRS
8182), Université Paris Sud, 91405 Orsay Cedex, France
| | - Christophe Bour
- ICMMO
(UMR CNRS
8182), Université Paris Sud, 91405 Orsay Cedex, France
| | - Vincent Gandon
- ICMMO
(UMR CNRS
8182), Université Paris Sud, 91405 Orsay Cedex, France
- ICSN-CNRS, Bat 27-1 avenue
de la Terrasse, 91198 Gif-sur-Yvette Cedex, France
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40
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Celik MA, Frenking G, Neumüller B, Petz W. Exploiting the Twofold Donor Ability of Carbodiphosphoranes: Theoretical Studies of [(PPh3)2C→EH2]q(Eq=Be, B+, C2+, N3+, O4+) and Synthesis of the Dication [(Ph3P)2CCH2]2+. Chempluschem 2013; 78:1024-1032. [DOI: 10.1002/cplu.201300169] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2013] [Indexed: 11/06/2022]
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41
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Petz W, Neumüller B. Contribution to the Chemistry of (ClC{PPh3}2)Cl, a Precursor of the Carbodiphosphorane C(PPh3)2. Z Anorg Allg Chem 2013. [DOI: 10.1002/zaac.201300175] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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42
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Couchman SA, Holzmann N, Frenking G, Wilson DJD, Dutton JL. Beryllium chemistry the safe way: a theoretical evaluation of low oxidation state beryllium compounds. Dalton Trans 2013; 42:11375-84. [PMID: 23572069 DOI: 10.1039/c3dt50563d] [Citation(s) in RCA: 92] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A theoretical study of compounds containing Be in the +1 or 0 oxidation state has been carried out. The molecules considered containing Be in the +1 oxidation state are analogues of the important Mg(I)-Mg(I) dimer supported by the β-diketiminate ligand. The molecules in the 0 oxidation state are NHC supported compounds analogous to "molecular allotropes" which has recently become a topic of importance in p-block chemistry. In this case, our results demonstrate that the Be(0) complexes are far more stable than the analogous Mg(0) complexes, highlighting the opportunities afforded in Be chemistry, despite the challenges presented by the toxicity of Be compounds.
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Affiliation(s)
- Shannon A Couchman
- La Trobe Institute for Molecular Science, Department of Chemistry, La Trobe University, Melbourne, Victoria, Australia
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