1
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Saunders AC, Burch CR, Goldsmith CR. Towards gallium(III)-catalyzed aldehyde deformylation. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2021.120708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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2
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Structurally characterized new alkyl- and alkenyl-gallium peroxides having interesting structural motifs. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2020.129231] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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3
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Aders N, Keweloh L, Pleschka D, Hepp A, Layh M, Rogel F, Uhl W. P–H Functionalized Al/P-Based Frustrated Lewis Pairs in Dipolar Activation and Hydrophosphination: Reactions with CO2 and SO2. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00346] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Niklas Aders
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Lukas Keweloh
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Damian Pleschka
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Marcus Layh
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Friedhelm Rogel
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Werner Uhl
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
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4
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Keweloh L, Aders N, Hepp A, Pleschka D, Würthwein EU, Uhl W. A P-H functionalized Al/P-based frustrated Lewis pair - hydrophosphination of nitriles, ring opening with cyclopropenones and evidence of P[double bond, length as m-dash]C double bond formation. Dalton Trans 2018; 47:8402-8417. [PMID: 29893387 DOI: 10.1039/c8dt01836g] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Hydroalumination of R-P(H)-C[triple bond, length as m-dash]C-tBu with bulky H-Al[CH(SiMe3)2]2 afforded the new P-H functionalized Al/P-based frustrated Lewis pair R-P(H)-C[[double bond, length as m-dash]C(H)-tBu]-AlR2 [R = CH(SiMe3)2; FLP 7]. A weak adduct of 7 with benzonitrile (8) was detected by NMR spectroscopy, but could not be isolated. tert-Butyl isocyanide afforded a similar, but isolable adduct (9), in which the isocyanide C atom was coordinated to aluminium. The unique reactivity of 7 became evident from its reactions with the heteroatom substituted nitriles PhO-C[triple bond, length as m-dash]N, PhCH2S-C[triple bond, length as m-dash]N and H8C4N-C[triple bond, length as m-dash]N. Hydrophosphination of the C[triple bond, length as m-dash]N triple bonds afforded imines at room temperature which were coordinated to the FLP by Al-N and P-C bonds to yield AlCPCN heterocycles (10 to 12). These processes depend on substrate activation by the FLP. Diphenylcyclopropenone and its sulphur derivative reacted with 7 by addition of the P-H bond to a C-C bond of the strained C3 ring and ring opening to afford the fragment (Z)-Ph-C(H)[double bond, length as m-dash]C(Ph)-C-X-Al (X = O, S). The C-O or C-S groups were coordinated to the FLP to yield AlCPCX heterocycles (13 and 14). The thiocarbonyl derived compound 14 contains an internally stabilized phosphenium cation with a localized P[double bond, length as m-dash]C bond, a trigonal planar coordinated P atom and a short P[double bond, length as m-dash]C distance (168.9 pm). Insight into formation mechanisms, the structural and energetic properties of FLP 7 and compounds 13 and 14 was gained by quantum chemical DFT calculations.
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Affiliation(s)
- Lukas Keweloh
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, D-48149 Münster, Germany.
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Di( tert -butyl)aluminum, -gallium and -indium β-diketonates and β-diketiminates, reactions with oxygen and formation of an unprecedented peroxo-rich hexaperoxotriindium compound. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2017.12.039] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
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6
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Uhl W, Keweloh L, Hepp A, Stegemann F, Layh M, Bergander K. Reactivity of a P-H Functionalized Al/P-Based Frustrated Lewis Pair - Hydrophosphination versus Classic Adduct Formation. Z Anorg Allg Chem 2017. [DOI: 10.1002/zaac.201700340] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Werner Uhl
- Institut für Anorganische und Analytische Chemie; Universität Münster; Corrensstraße 30 48149 Münster Germany
| | - Lukas Keweloh
- Institut für Anorganische und Analytische Chemie; Universität Münster; Corrensstraße 30 48149 Münster Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie; Universität Münster; Corrensstraße 30 48149 Münster Germany
| | - Frank Stegemann
- Institut für Anorganische und Analytische Chemie; Universität Münster; Corrensstraße 30 48149 Münster Germany
| | - Marcus Layh
- Institut für Anorganische und Analytische Chemie; Universität Münster; Corrensstraße 30 48149 Münster Germany
| | - Klaus Bergander
- Organisch-chemisches Institut der Universität Münster; Corrensstraße 40 48149 Münster Germany
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7
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Uhl W, Stefaniak C, Layh M. Ga–Ga Bonds as Key Building Blocks for the Formation of Supramolecular Entities – Unusual Macrocyclic Tetra‐ and Octagallium Compounds. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700144] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Werner Uhl
- Institut für Anorganische und Analytische Chemie Universität Münster Corrensstrasse 30 48149 Münster Germany
| | - Christina Stefaniak
- Institut für Anorganische und Analytische Chemie Universität Münster Corrensstrasse 30 48149 Münster Germany
| | - Marcus Layh
- Institut für Anorganische und Analytische Chemie Universität Münster Corrensstrasse 30 48149 Münster Germany
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8
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Houghton MJ, Collum DB. Lithium Enolates Derived from Weinreb Amides: Insights into Five-Membered Chelate Rings. J Org Chem 2016; 81:11057-11064. [PMID: 27749060 PMCID: PMC5261255 DOI: 10.1021/acs.joc.6b02067] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Enolization of O-methyl hydroxamic acids (Weinreb amides) in tetrahydrofuran solution with lithium diisopropylamide affords predominantly tetrameric enolates. Aryl substituents on the enolates promote deaggregation. The aggregation states are assigned by using the method of continuous variation in conjunction with 6Li NMR spectroscopy. Decoalescence of the tetramer resonance below -100 °C shows considerable spectral complexity attributed to isomerism of the methoxy-based chelates. Density functional theory calculations were used to examine the consequences of the bite angle of five-membered chelates in cubic tetramers and resulting solvation numbers that were higher than anticipated.
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Affiliation(s)
- Michael J. Houghton
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301
| | - David B. Collum
- Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853-1301
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9
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Medvedev AG, Mikhaylov AA, Churakov AV, Vener MV, Tripol’skaya TA, Cohen S, Lev O, Prikhodchenko PV. Potassium, Cesium, and Ammonium Peroxogermanates with Inorganic Hexanuclear Peroxo Bridged Germanium Anion Isolated from Aqueous Solution. Inorg Chem 2015; 54:8058-65. [DOI: 10.1021/acs.inorgchem.5b01293] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexander G. Medvedev
- Kurnakov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
- The Casali Center
of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Alexey A. Mikhaylov
- Kurnakov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
- The Casali Center
of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Andrei V. Churakov
- Kurnakov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
| | - Mikhail V. Vener
- Kurnakov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
| | - Tatiana A. Tripol’skaya
- Kurnakov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
| | - Shmuel Cohen
- The Casali Center
of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Ovadia Lev
- The Casali Center
of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Petr V. Prikhodchenko
- Kurnakov
Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp. 31, Moscow 119991, Russia
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Henthorn JT, Agapie T. Dioxygen Reactivity with a Ferrocene-Lewis Acid Pairing: Reduction to a Boron Peroxide in the Presence of Tris(pentafluorophenyl)borane. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201408462] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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11
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Henthorn JT, Agapie T. Dioxygen Reactivity with a Ferrocene-Lewis Acid Pairing: Reduction to a Boron Peroxide in the Presence of Tris(pentafluorophenyl)borane. Angew Chem Int Ed Engl 2014; 53:12893-6. [DOI: 10.1002/anie.201408462] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Indexed: 12/14/2022]
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12
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Uhl W, Stefaniak C, Voß M, Kösters J, Rogel F. Gallium–Gallium Bonds As Effective Templates for the Generation of Macrocycles and Supramolecular Entities. Organometallics 2012. [DOI: 10.1021/om3008025] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Werner Uhl
- Institut
für Anorganische und Analytische Chemie
der Universität Münster, Corrensstraße 30, 48149
Münster, Germany
| | - Christina Stefaniak
- Institut
für Anorganische und Analytische Chemie
der Universität Münster, Corrensstraße 30, 48149
Münster, Germany
| | - Matthias Voß
- Institut
für Anorganische und Analytische Chemie
der Universität Münster, Corrensstraße 30, 48149
Münster, Germany
| | - Jutta Kösters
- Institut
für Anorganische und Analytische Chemie
der Universität Münster, Corrensstraße 30, 48149
Münster, Germany
| | - Friedhelm Rogel
- Institut
für Anorganische und Analytische Chemie
der Universität Münster, Corrensstraße 30, 48149
Münster, Germany
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13
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Uhl W, Layh M, Rezaeirad B. Aluminum, Gallium, and Indium Hydrazides and the Generation of Oligonuclear Element-Nitrogen Cages: Molecular Intermediates on the Way to Element Nitrides. Inorg Chem 2011; 50:12275-83. [DOI: 10.1021/ic200572q] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Werner Uhl
- Institut für Anorganische und Analytische Chemie, Universität Münster, Corrensstrasse 30, 48149 Münster, Germany.
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14
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Uhl W, Hagemeier E, Layh M, Rezaeirad B, Kösters J, Würthwein E, Ghavtadze N, Massa W. From
tert
‐Butylhydrazine Adducts of AlR
3
(R = Me, CMe
3
) to Oligonuclear AlN Cage Compounds – Evidence for a Hydrazine Twist Across an Al
3
Triangle. Eur J Inorg Chem 2011. [DOI: 10.1002/ejic.201001308] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Werner Uhl
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, 48149 Münster, Germany, Fax: +49‐251‐83‐36660
| | - Elke Hagemeier
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, 48149 Münster, Germany, Fax: +49‐251‐83‐36660
| | - Marcus Layh
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, 48149 Münster, Germany, Fax: +49‐251‐83‐36660
| | - Babak Rezaeirad
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, 48149 Münster, Germany, Fax: +49‐251‐83‐36660
| | - Jutta Kösters
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstraße 30, 48149 Münster, Germany, Fax: +49‐251‐83‐36660
| | - Ernst‐Ulrich Würthwein
- Organisch‐Chemisches Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Nugzar Ghavtadze
- Organisch‐Chemisches Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Werner Massa
- Fachbereich Chemie der Philipps‐Universität Marburg, Hans‐Meerwein‐Straße, 35032 Marburg, Germany
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Uhl W, Abel T, Hagemeier E, Hepp A, Layh M, Rezaeirad B, Luftmann H. Oligonuclear Gallium Nitrogen Cage Compounds: Molecular Intermediates on the Way from Gallium Hydrazides to Gallium Nitride. Inorg Chem 2010; 50:325-35. [DOI: 10.1021/ic1019839] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Werner Uhl
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Thomas Abel
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Elke Hagemeier
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Marcus Layh
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Babak Rezaeirad
- Institut für Anorganische und Analytische Chemie der Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Heinrich Luftmann
- Organisch-chemisches Institut der Universität Münster, Corrensstrasse 40, 48149 Münster, Germany
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Uhl W, Rezaeirad B, Layh M, Hagemeier E, Würthwein EU, Ghavtadze N, Kuzu I. Synthesis of a GaN Cage Compound with a Hydrazinetetraide Fragment, [NN]4−, Stabilised by Six Gallium Atoms. Chemistry 2010; 16:12195-8. [DOI: 10.1002/chem.201001589] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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Porcel S, Bouhadir G, Saffon N, Maron L, Bourissou D. Reaction of Singlet Dioxygen with Phosphine-Borane Derivatives: From Transient Phosphine Peroxides to Crystalline Peroxoboronates. Angew Chem Int Ed Engl 2010; 49:6186-9. [DOI: 10.1002/anie.201000520] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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18
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Reaction of Singlet Dioxygen with Phosphine-Borane Derivatives: From Transient Phosphine Peroxides to Crystalline Peroxoboronates. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201000520] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Churakov AV, Sladkevich S, Lev O, Tripol’skaya TA, Prikhodchenko PV. Cesium Hydroperoxostannate: First Complete Structural Characterization of a Homoleptic Hydroperoxocomplex. Inorg Chem 2010; 49:4762-4. [DOI: 10.1021/ic100554u] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Andrei V. Churakov
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp.31, Moscow 119991, Russia
| | - Sergey Sladkevich
- The Casali Institute of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Ovadia Lev
- The Casali Institute of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
| | - Tatiana A. Tripol’skaya
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp.31, Moscow 119991, Russia
| | - Petr V. Prikhodchenko
- Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii prosp.31, Moscow 119991, Russia
- The Casali Institute of Applied Chemistry, The Institute of Chemistry, The Hebrew University of Jerusalem, Jerusalem 91904, Israel
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Uhl W, Bock HR, Kösters J, Voß M. Gallium-Gallium Bonds Bridged by Functionalized Carboxylato Ligands. Z Anorg Allg Chem 2010. [DOI: 10.1002/zaac.200900579] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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21
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Uhl W, Bock H, Hepp A, Rogel F, Voß M. Reaktionen der Digalliumverbindung R2Ga-GaR2 [R = CH(SiMe3)2] mit Wasser und Carbonsäuren - Synthese von μ-Hydroxo-μ-carboxylatodigallium-Verbindungen unter Erhalt der Ga-Ga-Bindungen. Reactions of the Digallium Compound R2Ga-GaR2 [R = CH(SiMe3)2] with Wa. Z Anorg Allg Chem 2010. [DOI: 10.1002/zaac.200900561] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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22
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Kato T, Fujimoto T, Tsutsui A, Tashiro M, Mitsutsuka Y, Machinami T. Identification of a Discrete Peroxide Dianion, O22−, in a Two Sodium–(1,6-Anhydro-β-maltose)2–Peroxide Complex. CHEM LETT 2010. [DOI: 10.1246/cl.2010.136] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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23
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Uhl W, Reza Halvagar M, Claesener M. Reducing GaH and GaC Bonds in Close Proximity to Oxidizing Peroxo Groups: Conflicting Properties in Single Molecules. Chemistry 2009; 15:11298-306. [DOI: 10.1002/chem.200900746] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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24
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Uhl W, Jana B. Bridging and Terminal Arrangement of Alkylperoxo Groups in Organoindium Peroxides. Eur J Inorg Chem 2009. [DOI: 10.1002/ejic.200900449] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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