1
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Michaliszyn K, Smirnova ES, Bucci A, Martin-Diaconescu V, Lloret-Fillol J. Well‐defined Nickel P3C Complexes as Hydrogenation Catalysts of N‐Heteroarenes Under Mild Conditions. ChemCatChem 2022. [DOI: 10.1002/cctc.202200039] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | | | - Alberto Bucci
- ICIQ: Institut Catala d'Investigacio Quimica - SPAIN
| | | | - Julio Lloret-Fillol
- Institute of Chemical Research of Catalonia (ICIQ) - Ave. Paisos Catalans 16Spain 43005 Tarragona SPAIN
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2
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Dietl MC, Vethacke V, Keshavarzi A, Mulks FF, Rominger F, Rudolph M, Mkhalid IAI, Hashmi ASK. Synthesis of Heterobimetallic Gold(I) Palladium(II) Bis(acyclic diaminocarbene) Complexes via the Isonitrile Route. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Martin C. Dietl
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Vanessa Vethacke
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Ali Keshavarzi
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Florian F. Mulks
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Matthias Rudolph
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
| | - Ibraheem A. I. Mkhalid
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - A. Stephen K. Hashmi
- Organisch-Chemisches Institut, Heidelberg University, Im Neuenheimer Feld 270, 69120 Heidelberg, Germany
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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3
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Arp FF, Ashirov R, Bhuvanesh N, Blümel J. Di(hydroperoxy)adamantane adducts: synthesis, characterization and application as oxidizers for the direct esterification of aldehydes. Dalton Trans 2021; 50:15296-15309. [PMID: 34636381 DOI: 10.1039/d1dt03243g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
The di(hydroperoxy)adamantane adducts of water (1) and phosphine oxides p-Tol3PO·(HOO)2C(C9H14) (2), o-Tol3PO·(HOO)2C(C9H14) (3), and Cy3PO·(HOO)2C(C9H14) (4), as well as a CH2Cl2 adduct of a phosphole oxide dimer (8), have been created and investigated by multinuclear NMR spectroscopy, and by Raman and IR spectroscopy. The single crystal X-ray structures for 1-4 and 8 are reported. The IR and 31P NMR data are in accordance with strong hydrogen bonding of the di(hydroperoxy)adamantane adducts. The Raman ν(O-O) stretching bands of 1-4 prove that the peroxo groups are present in the solids. Selected di(hydroperoxy)alkane adducts, in combination with AlCl3 as catalyst, have been applied for the direct oxidative esterification of n-nonyl aldehyde, benzaldehyde, p-methylbenzaldehyde, p-bromobenzaldehyde, and o-hydroxybenzaldehyde to the corresponding methyl esters. The esterification takes place in an inert atmosphere, under anhydrous and oxygen-free conditions, within a time frame of 45 minutes to 5 hours at room temperature. Hereby, two oxygen atoms per adduct assembly are active with respect to the quantitative transformation of the aldehyde into the ester.
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Affiliation(s)
- Fabian F Arp
- Department of Chemistry, Texas A&M University, College Station, TX, 77842-3012, USA.
| | - Rahym Ashirov
- Department of Chemistry, Texas A&M University, College Station, TX, 77842-3012, USA.
| | - Nattamai Bhuvanesh
- Department of Chemistry, Texas A&M University, College Station, TX, 77842-3012, USA.
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, College Station, TX, 77842-3012, USA.
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4
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Actual Symmetry of Symmetric Molecular Adducts in the Gas Phase, Solution and in the Solid State. Symmetry (Basel) 2021. [DOI: 10.3390/sym13050756] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
This review discusses molecular adducts, whose composition allows a symmetric structure. Such adducts are popular model systems, as they are useful for analyzing the effect of structure on the property selected for study since they allow one to reduce the number of parameters. The main objectives of this discussion are to evaluate the influence of the surroundings on the symmetry of these adducts, steric hindrances within the adducts, competition between different noncovalent interactions responsible for stabilizing the adducts, and experimental methods that can be used to study the symmetry at different time scales. This review considers the following central binding units: hydrogen (proton), halogen (anion), metal (cation), water (hydrogen peroxide).
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5
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Shenderovich IG. 1,3,5-Triaza-7-Phosphaadamantane (PTA) as a 31P NMR Probe for Organometallic Transition Metal Complexes in Solution. Molecules 2021; 26:molecules26051390. [PMID: 33806666 PMCID: PMC7961616 DOI: 10.3390/molecules26051390] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/01/2021] [Accepted: 03/01/2021] [Indexed: 11/16/2022] Open
Abstract
Due to the rigid structure of 1,3,5-triaza-7-phosphaadamantane (PTA), its 31P chemical shift solely depends on non-covalent interactions in which the molecule is involved. The maximum range of change caused by the most common of these, hydrogen bonding, is only 6 ppm, because the active site is one of the PTA nitrogen atoms. In contrast, when the PTA phosphorus atom is coordinated to a metal, the range of change exceeds 100 ppm. This feature can be used to support or reject specific structural models of organometallic transition metal complexes in solution by comparing the experimental and Density Functional Theory (DFT) calculated values of this 31P chemical shift. This approach has been tested on a variety of the metals of groups 8-12 and molecular structures. General recommendations for appropriate basis sets are reported.
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Affiliation(s)
- Ilya G Shenderovich
- Institute of Organic Chemistry, University of Regensburg, Universitaetstrasse 31, 93053 Regensburg, Germany
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6
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Kirst C, Zoller F, Bräuniger T, Mayer P, Fattakhova-Rohlfing D, Karaghiosoff K. Investigation of Structural Changes of Cu(I) and Ag(I) Complexes Utilizing a Flexible, Yet Sterically Demanding Multidentate Phosphine Oxide Ligand. Inorg Chem 2021; 60:2437-2445. [PMID: 33534576 DOI: 10.1021/acs.inorgchem.0c03334] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The syntheses of a sterically demanding, multidentate bis(quinaldinyl)phenylphosphine oxide ligand and some Cu(I) and Ag(I) complexes thereof are described. By introducing a methylene group between the quinoline unit and phosphorus, the phosphine oxide ligand gains additional flexibility. This specific ligand design induces not only a versatile coordination chemistry but also a rarely observed and investigated behavior in solution. The flexibility of the birdlike ligand offers the unexpected opportunity of open-wing and closed-wing coordination to the metal. In fact, the determined crystal structures of these complexes show both orientations. Investigations of the ligand in solution show a strong dependency of the chemical shift of the CH2 protons on the solvent used. Variable-temperature, multinuclear NMR spectroscopy was carried out, and an interesting dynamic behavior of the complexes is observed. Due to the introduced flexibility, the quinaldinyl substituents change their arrangements from open-wing to closed-wing upon cooling, while still staying coordinated to the metal. This change in conformation is completely reversible when warming up the sample. Based on 2D NMR spectra measured at -80 °C, an assignment of the signals corresponding to the different arrangements was possible. Additionally, the copper(I) complex shows reversible redox activity in solution. The combination of structural flexibility of a multidentate ligand and the positive redox properties of the resulting complexes comprises key factors for a possible application of such compounds in transition-metal catalysis. Via a reorganization of the ligand, occurring transition states could be stabilized, and selectivity might be enhanced.
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Affiliation(s)
- Christin Kirst
- Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstraße 5-13, DE 81377 Munich, Germany
| | - Florian Zoller
- Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstraße 5-13, DE 81377 Munich, Germany.,Institute of Energy and Climate Research (IEK-1): Materials Synthesis and Processing, Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52425 Jülich, Germany.,Faculty of Engineering and Center for Nanointegration Duisburg-Essen (CENIDE), Universität Duisburg-Essen, Lotharstraße 1, 47057 Duisburg, Germany
| | - Thomas Bräuniger
- Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstraße 5-13, DE 81377 Munich, Germany
| | - Peter Mayer
- Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstraße 5-13, DE 81377 Munich, Germany
| | - Dina Fattakhova-Rohlfing
- Institute of Energy and Climate Research (IEK-1): Materials Synthesis and Processing, Forschungszentrum Jülich GmbH, Wilhelm-Johnen-Straße, 52425 Jülich, Germany.,Faculty of Engineering and Center for Nanointegration Duisburg-Essen (CENIDE), Universität Duisburg-Essen, Lotharstraße 1, 47057 Duisburg, Germany
| | - Konstantin Karaghiosoff
- Department of Chemistry, Ludwig Maximilian University of Munich, Butenandtstraße 5-13, DE 81377 Munich, Germany
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7
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Au-Yeung KC, Xiao D, Shih WC, Yang HW, Wen YS, Yap GPA, Chen WC, Zhao L, Ong TG. Carbodicarbene: geminal-Bimetallic Coordination in Selective Manner. Chemistry 2020; 26:17350-17355. [PMID: 32537790 DOI: 10.1002/chem.202002795] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 06/12/2020] [Indexed: 01/07/2023]
Abstract
The reaction of Pd(OAc)2 with free carbodicarbene (CDC) generates a Pd acetate trinuclear complex 1 via intramolecular C(sp3 )-H bond activation at one of the CDC methyl side arms. The solid structure of 1 reveals the capability of CDC to facilitate a double dative bond with two palladium centers in geminal fashion. This is attributed to the chelating mode of CDC, which can frustrate π-conjugation within the CDC framework. Such effect maybe also amplified by ligand-ligand interaction. The formation of other gem-bimetallic Pd-Pd, Pd-Au, and Ni-Au provides further structural evidence for this proof-of-concept in selective installation. Structural analysis is supported by computational calculations based on state-of-the-art energy decomposition analysis (EDA) in conjunction with natural orbitals for chemical valence (NOCV) method.
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Affiliation(s)
| | - Dengmengfei Xiao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, P.R. China
| | - Wei-Chih Shih
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Hsiu-Wen Yang
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Yuh-Sheng Wen
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan
| | - Glenn P A Yap
- Department of Chemistry & Biochemistry, University of Delaware, USA
| | | | - Lili Zhao
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing, P.R. China
| | - Tiow-Gan Ong
- Institute of Chemistry, Academia Sinica, Taipei, Taiwan.,Department of Applied Chemistry, National Chiao Tung University, Taipei, Taiwan.,Department of Chemistry, National Taiwan University, Taipei, Taiwan
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8
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Arp FF, Bhuvanesh N, Blümel J. Di(hydroperoxy)cycloalkane Adducts of Triarylphosphine Oxides: A Comprehensive Study Including Solid-State Structures and Association in Solution. Inorg Chem 2020; 59:13719-13732. [PMID: 32866378 DOI: 10.1021/acs.inorgchem.0c02087] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Four new di(hydroperoxy)cycloalkane adducts (Ahn adducts) of p-Tol3PO (1) and o-Tol3PO (2), namely, p-Tol3PO·(HOO)2C(CH2)5 (3), o-Tol3PO·(HOO)2C(CH2)5 (4), p-Tol3PO·(HOO)2C(CH2)6 (5), and o-Tol3PO·(HOO)2C(CH2)6 (6), have been synthesized and fully characterized. Their single crystal X-ray structures have been determined and analyzed. The 31P NMR data are in accordance with hydrogen bonding of the di(hydroperoxy)alkanes to the P═O groups of the phosphine oxides. Due to their high solubility in organic solvents, natural abundance 17O NMR spectra of 1-6 could be recorded, providing the signals for the P═O groups and additionally the two different oxygen nuclei in the O-OH groups in the adducts 3-6. The association and mobility of 3-6 were explored by 1H DOSY (diffusion ordered spectroscopy) NMR, which indicated persistent hydrogen bonding of the adducts in solution. Competition experiments with phosphine oxides allowed ranking of the affinities of the di(hydroperoxy)cycloalkanes for the different phosphine oxide carriers. On the basis of variable temperature 31P NMR investigations, the Gibbs energies of activation ΔG‡ for the adduct dissociation processes of 3-6 at different temperatures, as well as the enthalpy ΔH‡ and entropy ΔS‡ of activation, have been determined. IR spectroscopy of 3-6 corroborated the hydrogen bonding, and in the Raman spectra, the ν(O-O) stretching bands have been identified, confirming the presence of peroxy groups in the solid materials. The high solubilities in selected organic solvents have been quantified.
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Affiliation(s)
- Fabian F Arp
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, United States
| | - Nattamai Bhuvanesh
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, United States
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, United States
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9
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Hubbard PJ, Benzie JW, Bakhmutov VI, Blümel J. Ferrocene Adsorbed on Silica and Activated Carbon Surfaces: A Solid-State NMR Study of Molecular Dynamics and Surface Interactions. Organometallics 2020. [DOI: 10.1021/acs.organomet.9b00800] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Patrick J. Hubbard
- Department of Chemistry, Texas A&M University, College Station, Texas 77845-3012, United States
| | - Jordon W. Benzie
- Department of Chemistry, Texas A&M University, College Station, Texas 77845-3012, United States
| | - Vladimir I. Bakhmutov
- Department of Chemistry, Texas A&M University, College Station, Texas 77845-3012, United States
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, College Station, Texas 77845-3012, United States
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10
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Hubbard PJ, Benzie JW, Bakhmutov VI, Blümel J. Disentangling different modes of mobility for triphenylphosphine oxide adsorbed on alumina. J Chem Phys 2020; 152:054718. [PMID: 32035468 DOI: 10.1063/1.5142568] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Triphenylphosphine oxide (TPPO, 1) has been adsorbed on neutral alumina by dry grinding of the components in the absence of a solvent. The adsorption proves translational mobility of 1 on the surface of alumina. Different surface coverages from a densely packed monolayer (99% coverage) to a dilute sub-monolayer (25%) have been produced. The samples have been studied by diverse multinuclear 1H, 13C, and 31P variable temperature solid-state nuclear magnetic resonance (NMR) techniques. The interactions of 1 with the surface are determined by hydrogen bonding of the P=O group to OH groups on the surface. The 31P solid-state NMR spectra prove that even at low temperatures, the molecules of 1 are highly mobile on the surface. Using T1 and T2 relaxation time analyses of the 31P resonance in the solid state at variable temperatures allowed the identification and quantification of two different modes of mobility. Besides the translational mobility that consists of jumps from one hydrogen-bonding OH site on the surface to an adjacent one, a rotational movement around the axis defined by the P=O group of 1 occurs.
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Affiliation(s)
- Patrick J Hubbard
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, USA
| | - Jordon W Benzie
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, USA
| | - Vladimir I Bakhmutov
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, USA
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, College Station, Texas 77842-3012, USA
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11
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Guenther J, Reibenspies J, Blümel J. Synthesis and characterization of tridentate phosphine ligands incorporating long methylene chains and ethoxysilane groups for immobilizing molecular rhodium catalysts. MOLECULAR CATALYSIS 2019. [DOI: 10.1016/j.mcat.2019.110629] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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12
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Arp FF, Bhuvanesh N, Blümel J. Hydrogen peroxide adducts of triarylphosphine oxides. Dalton Trans 2019; 48:14312-14325. [PMID: 31475705 DOI: 10.1039/c9dt03070k] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Five new hydrogen peroxide adducts of phosphine oxides (p-Tol3PO·H2O2)2 (1), (o-Tol3PO·H2O2)2 (2), (o-Tol2PhPO·H2O2)2 (3), (p-Tol3PO)2·H2O2 (4), and (o-TolPh2PO)2·H2O2 (5), and the water adduct (o-Tol2PhPO·H2O)2 (6) have been synthesized and fully characterized. Their single crystal X-ray structures have been determined and analyzed. The IR and 31P NMR data are in accordance with strong hydrogen bonding of the hydrogen peroxide. The mono- versus dimeric nature of the adduct assemblies has been investigated by DOSY NMR experiments. Raman spectroscopy of the symmetric adducts and the ν(O-O) stretching bands confirm the presence of hydrogen-bonded hydrogen peroxide in the solid materials. The solubilities in organic solvents have been quantified. Due to the high solubilities of 1-6 in organic solvents their 17O NMR spectra could be recorded in natural abundance, providing well-resolved signals for the P[double bond, length as m-dash]O and O-O groups. The adducts 1-5 have been probed regarding their stability in solution at 105 °C. The decomposition of the adduct 1 takes place by loss of the active oxygen atoms in two steps.
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Affiliation(s)
- Fabian F Arp
- Department of Chemistry, Texas A&M University, College Station, TX 77842-3012, USA.
| | - Nattamai Bhuvanesh
- Department of Chemistry, Texas A&M University, College Station, TX 77842-3012, USA.
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, College Station, TX 77842-3012, USA.
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13
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Ni-thiosaccharinate complexes: Synthesis, characterization and DFT studies. Biological properties as superoxide dismutase mimetics and as anti-carcinogenic agents. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.04.040] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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14
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Kharel S, Cluff KJ, Bhuvanesh N, Gladysz JA, Blümel J. Structures and Dynamics of Secondary and Tertiary Alkylphosphine Oxides Adsorbed on Silica. Chem Asian J 2019; 14:2704-2711. [PMID: 31168965 DOI: 10.1002/asia.201900632] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Indexed: 11/12/2022]
Abstract
The three secondary phosphine oxides [CH2 =CH(CH2 )4 ]2 HPO (1), [CH2 =CH(CH2 )5 ]2 HPO (2), and [CH2 =CH(CH2 )6 ]2 HPO (3), and two diphosphine dioxides, {[CH2 =CH(CH2 )6 ]2 PO(CH2 )7 }2 (4) and {[CH2 =CH(CH2 )6 ]2 PO(CH2 )4 }2 (5), incorporating long methylene chains, are described. The single crystal X-ray structures of 1, 2, and 5 have been determined. The phosphine oxides 3, 4, and 5 have been adsorbed on silica in submonolayer quantities to give 3 a-5 a. The 1 H, 13 C, and 31 P solid-state NMR spectra of polycrystalline 3-5 have been analyzed and compared with those of 3 a-5 a. The changes of the solid-state NMR characteristics upon adsorption and the surface mobilities of the phosphine oxides are discussed.
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Affiliation(s)
- Sugam Kharel
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas, 77842-3012, USA
| | - Kyle J Cluff
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas, 77842-3012, USA
| | - Nattamai Bhuvanesh
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas, 77842-3012, USA
| | - John A Gladysz
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas, 77842-3012, USA
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas, 77842-3012, USA
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15
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Kharel S, Bhuvanesh N, Gladysz JA, Blümel J. New hydrogen bonding motifs of phosphine oxides with a silanediol, a phenol, and chloroform. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.03.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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16
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Arp FF, Ahn SH, Bhuvanesh N, Blümel J. Selective synthesis and stabilization of peroxides via phosphine oxides. NEW J CHEM 2019. [DOI: 10.1039/c9nj04858h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
MEKPO (methyl ethyl ketone peroxide) and other peroxides can be synthesized selectively and stabilized as hydrogen-bonded phosphine oxide adducts.
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Affiliation(s)
- Fabian F. Arp
- Department of Chemistry
- Texas A&M University
- College Station
- USA
| | - Shin Hye Ahn
- Department of Chemistry
- Texas A&M University
- College Station
- USA
| | | | - Janet Blümel
- Department of Chemistry
- Texas A&M University
- College Station
- USA
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17
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Neary MC, Quinlivan PJ, Parkin G. Zerovalent Nickel Compounds Supported by 1,2-Bis(diphenylphosphino)benzene: Synthesis, Structures, and Catalytic Properties. Inorg Chem 2017; 57:374-391. [DOI: 10.1021/acs.inorgchem.7b02636] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Michelle C. Neary
- Department of Chemistry, Columbia University, New York, New York 10027, United States
| | - Patrick J. Quinlivan
- 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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18
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Ahn SH, Bhuvanesh N, Blümel J. Di(hydroperoxy)alkane Adducts of Phosphine Oxides: Safe, Solid, Stoichiometric, and Soluble Oxidizing Agents. Chemistry 2017; 23:16998-17009. [DOI: 10.1002/chem.201703676] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Shin Hye Ahn
- Department of Chemistry Texas A&M University College Station TX 77842-3012 USA
| | - Nattamai Bhuvanesh
- Department of Chemistry Texas A&M University College Station TX 77842-3012 USA
| | - Janet Blümel
- Department of Chemistry Texas A&M University College Station TX 77842-3012 USA
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19
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Petuker A, Mebs S, Schuth N, Gerschel P, Reback ML, Mallick B, van Gastel M, Haumann M, Apfel UP. Spontaneous Si–C bond cleavage in (TriphosSi)-nickel complexes. Dalton Trans 2017; 46:907-917. [DOI: 10.1039/c6dt04048a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of TriphosC/Si-derived nickel(ii) complexes revealed high structural flexibility and unexpected reactivities.
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Affiliation(s)
- Anette Petuker
- Ruhr University Bochum
- Inorganic Chemistry I
- 44801 Bochum
- Germany
| | - Stefan Mebs
- Freie Universität Berlin
- Department of Physics
- 14195 Berlin
- Germany
| | - Nils Schuth
- Freie Universität Berlin
- Department of Physics
- 14195 Berlin
- Germany
| | | | | | - Bert Mallick
- Ruhr University Bochum
- Inorganic Chemistry I
- 44801 Bochum
- Germany
| | - Maurice van Gastel
- Max-Planck-Institut für chemische Energiekonversion
- 45470 Mülheim a. d. Ruhr
- Germany
| | - Michael Haumann
- Freie Universität Berlin
- Department of Physics
- 14195 Berlin
- Germany
| | - Ulf-Peter Apfel
- Ruhr University Bochum
- Inorganic Chemistry I
- 44801 Bochum
- Germany
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20
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Cluff KJ, Blümel J. Adsorption of Metallocenes on Silica. Chemistry 2016; 22:16562-16575. [DOI: 10.1002/chem.201603700] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Indexed: 11/07/2022]
Affiliation(s)
- Kyle J. Cluff
- Department of Chemistry Texas A&M University P.O. Box 30012 College Station TX 77842-3012 USA
| | - Janet Blümel
- Department of Chemistry Texas A&M University P.O. Box 30012 College Station TX 77842-3012 USA
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Lang GM, Shima T, Wang L, Cluff KJ, Skopek K, Hampel F, Blümel J, Gladysz JA. Gyroscope-Like Complexes Based on Dibridgehead Diphosphine Cages That Are Accessed by Three-Fold Intramolecular Ring Closing Metatheses and Encase Fe(CO)3, Fe(CO)2(NO)+, and Fe(CO)3(H)+Rotators. J Am Chem Soc 2016; 138:7649-63. [DOI: 10.1021/jacs.6b03178] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Georgette M. Lang
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas 77843-3012, United States
| | - Takanori Shima
- Institut für Organische Chemie and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Henkestraße 42, 91054 Erlangen, Germany
| | - Leyong Wang
- Institut für Organische Chemie and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Henkestraße 42, 91054 Erlangen, Germany
| | - Kyle J. Cluff
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas 77843-3012, United States
| | - Katrin Skopek
- Institut für Organische Chemie and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Henkestraße 42, 91054 Erlangen, Germany
| | - Frank Hampel
- Institut für Organische Chemie and Interdisciplinary Center for Molecular Materials, Friedrich-Alexander-Universität Erlangen-Nürnberg, Henkestraße 42, 91054 Erlangen, Germany
| | - Janet Blümel
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas 77843-3012, United States
| | - John A. Gladysz
- Department of Chemistry, Texas A&M University, PO Box 30012, College Station, Texas 77843-3012, United States
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