1
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Ju M, Lu Z, Novaes LFT, Alvarado JIM, Lin S. Frustrated Radical Pairs in Organic Synthesis. J Am Chem Soc 2023; 145:19478-19489. [PMID: 37656899 PMCID: PMC10625356 DOI: 10.1021/jacs.3c07070] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/03/2023]
Abstract
Frustrated radical pairs (FRPs) describe the phenomenon that two distinct radicals─which would otherwise annihilate each other to form a closed-shell covalent adduct─can coexist in solution, owing to steric repulsion or weak bonding association. FRPs are typically formed via spontaneous single-electron transfer between two sterically encumbered precursors─an oxidant and a reductant─under ambient conditions. The two components of a FRP exhibit orthogonal chemical properties and can often act in cooperativity to achieve interesting radical reactivities. Initially observed in the study of traditional frustrated Lewis pairs, FRPs have recently been shown to be capable of homolytically activating various chemical bonds. In this Perspective, we will discuss the discovery of FRPs, their fundamental reactivity in chemical bond activation, and recent developments of their use in synthetic organic chemistry, including in C-H bond functionalization. We anticipate that FRPs will provide new reaction strategies for solving challenging problems in modern organic synthesis.
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Affiliation(s)
| | | | - Luiz F. T. Novaes
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA
| | | | - Song Lin
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA
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2
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Zhou J, Zhao Z, Jiang B, Yamamoto K, Sumii Y, Shibata N. Synthesis of triarylmethanes by silyl radical-mediated cross-coupling of aryl fluorides and arylmethanes. Chem Sci 2023; 14:4248-4256. [PMID: 37123196 PMCID: PMC10132141 DOI: 10.1039/d3sc00154g] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 03/13/2023] [Indexed: 05/02/2023] Open
Abstract
Although the cross-couplings of aryl halides with diarylmethanes are mostly achieved by transition-metal catalysis, aryl fluorides are rarely used as coupling partners owing to the high inertness of C-F bonds. Herein, we describe the efficient silylboronate-mediated cross-coupling reaction of aryl fluorides with arylalkanes under transition-metal-free, room-temperature conditions. The combination of silylboronate and KO t Bu is critical for driving a radical process via the cleavage of C-F and C-H bonds in two appropriate coupling precursors, resulting in a cross-coupling product. This practical cross-coupling protocol is applicable to a wide variety of aryl fluorides with a C(sp2)-F bond. This method can be extended to other coupling partners with a C(sp3)-H bond, including diarylmethanes, diarylethanes, and monoarylalkanes. Many di- and triarylalkanes with tertiary or quaternary carbon centers can be obtained easily in moderate to high yields. We believe that the developed silylboronate-mediated cross-coupling method is a valuable contribution to C-F and C-H activation chemistry.
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Affiliation(s)
- Jun Zhou
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Zhengyu Zhao
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Bingyao Jiang
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Katsuhiro Yamamoto
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Yuji Sumii
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology Gokiso, Showa-ku Nagoya 466-8555 Japan
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3
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Zhou J, Zhao Z, Shibata N. Transition-metal-free silylboronate-mediated cross-couplings of organic fluorides with amines. Nat Commun 2023; 14:1847. [PMID: 37012229 PMCID: PMC10070422 DOI: 10.1038/s41467-023-37466-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 03/17/2023] [Indexed: 04/05/2023] Open
Abstract
C-N bond cross-couplings are fundamental in the field of organic chemistry. Herein, silylboronate-mediated selective defluorinative cross-coupling of organic fluorides with secondary amines via a transition-metal-free strategy is disclosed. The cooperation of silylboronate and potassium tert-butoxide enables the room-temperature cross-coupling of C-F and N-H bonds, effectively avoiding the high barriers associated with thermally induced SN2 or SN1 amination. The significant advantage of this transformation is the selective activation of the C-F bond of the organic fluoride by silylboronate without affecting potentially cleavable C-O, C-Cl, heteroaryl C-H, or C-N bonds and CF3 groups. Tertiary amines with aromatic, heteroaromatic, and/or aliphatic groups were efficiently synthesized in a single step using electronically and sterically varying organic fluorides and N-alkylanilines or secondary amines. The protocol is extended to the late-stage syntheses of drug candidates, including their deuterium-labeled analogs.
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Affiliation(s)
- Jun Zhou
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan
| | - Zhengyu Zhao
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan
| | - Norio Shibata
- Department of Nanopharmaceutical Sciences, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan.
- Department of Life Science and Applied Chemistry, Nagoya Institute of Technology, Gokiso, Showa-ku, Nagoya, 466-8555, Japan.
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4
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Wheaton AM, Chipman JA, Roy MD, Berry JF. Metal-Metal Bond Umpolung in Heterometallic Extended Metal Atom Chains. Inorg Chem 2022; 61:15058-15069. [PMID: 36094078 PMCID: PMC9632685 DOI: 10.1021/acs.inorgchem.2c02118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Understanding the fundamental properties governing metal–metal
interactions is crucial to understanding the electronic structure
and thereby applications of multimetallic systems in catalysis, material
science, and magnetism. One such property that is relatively underexplored
within multimetallic systems is metal–metal bond polarity,
parameterized by the electronegativities (χ) of the metal atoms
involved in the bond. In heterobimetallic systems, metal–metal
bond polarity is a function of the donor–acceptor (Δχ)
interactions of the two bonded metal atoms, with electropositive early
transition metals acting as electron acceptors and electronegative
late transition metals acting as electron donors. We show in this
work, through the preparation and systematic study of a series of
Mo2M(dpa)4(OTf)2 (M = Cr, Mn, Fe,
Co, and Ni; dpa = 2,2′-dipyridylamide; OTf = trifluoromethanesulfonate)
heterometallic extended metal atom chain (HEMAC) complexes that this
expected trend in χ can be reversed. Physical characterization
via single-crystal X-ray diffraction, magnetometry, and spectroscopic
methods as well as electronic structure calculations supports the
presence of a σ symmetry 3c/3e– bond that
is delocalized across the entire metal-atom chain and forms the basis
of the heterometallic Mo2–M interaction. The delocalized
3c/3e– interaction is discussed within the context
of the analogous 3c/3e– π bonding in the vinoxy
radical, CH2CHO. The vinoxy comparison establishes three
predictions for the σ symmetry 3c/3e– bond
in HEMACS: (1) an umpolung effect that causes the
Mo–M interactions to become more covalent as Δχ
increases, (2) distortion of the σ bonding and non-bonding orbitals
to emphasize Mo–M bonding and de-emphasize Mo–Mo bonding,
and (3) an increase in Mo spin population with increasing Mo–M
covalency. In agreement with these predictions, we find that the Mo2···M covalency increases with increasing Δχ
of the Mo and M atoms (ΔχMo–M increases
as M = Cr < Mn < Fe < Co < Ni), an umpolung of the trend predicted in the absence of σ delocalization.
We attribute the observed trend in covalency to the decreased energic
differential (ΔE) between the heterometal orbital and the σ bonding molecular
orbital of the Mo2 quadruple bond, which serves as an energetically
stable, “ligand”-like electron-pair donor to the heterometal
ion acceptor. As M is changed from Cr to Ni, the σ bonding and
nonbonding orbitals do indeed distort as anticipated, and the spin
population of the outer Mo group is increased by at least a factor
of 2. These findings provide a predictive framework for multimetallic
compounds and advance the current understanding of the electronic
structures of molecular heteromultimetallic systems, which can be
extrapolated to applications in the context of mixed-metal surface
catalysis and multimetallic proteins. This
work describes how use of a metal−metal quadruply
bonded metalloligand can reverse expected trends in metal−metal
bond polarity through the preparation and systematic study of a novel
series of Mo2M(dpa)4(OTf)2 (M = Cr,
Mn, Fe, Co, and Ni) heterotrimetallic extended metal atom chain (HEMAC)
complexes. These complexes feature a 3c/3e− metal−metal
bond that is delocalized across the entire metal atom chain and is
compared to the 3c/3e− π bonding in the vinoxyl
radical.
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Affiliation(s)
- Amelia M Wheaton
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Jill A Chipman
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - Michael D Roy
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
| | - John F Berry
- Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
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5
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Ye KY, Daniliuc CG, Dong S, Kehr G, Erker G. Frustrated Lewis Pair Behavior of an Open, Noninteracting Phosphane/Borane Pair at a Rigid Organic Framework: Exploring Decisive Factors for FLP Activity. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00819] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ke-Yin Ye
- Organisch-Chemisches Institut der Universität
Münster, Corrensstr. 40, 48149 Münster (Germany)
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut der Universität
Münster, Corrensstr. 40, 48149 Münster (Germany)
| | - Shunxi Dong
- Organisch-Chemisches Institut der Universität
Münster, Corrensstr. 40, 48149 Münster (Germany)
| | - Gerald Kehr
- Organisch-Chemisches Institut der Universität
Münster, Corrensstr. 40, 48149 Münster (Germany)
| | - Gerhard Erker
- Organisch-Chemisches Institut der Universität
Münster, Corrensstr. 40, 48149 Münster (Germany)
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6
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Özgün T, Chen GQ, Daniliuc CG, McQuilken AC, Warren TH, Knitsch R, Eckert H, Kehr G, Erker G. Unsaturated Vicinal Frustrated Lewis Pair Formation by Electrocyclic Ring Closure and Their Reaction with Nitric Oxide. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00627] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Thomas Özgün
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
| | - Guo-Qiang Chen
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
| | - Alison C. McQuilken
- Department
of Chemistry, Georgetown University, Box 571227, Washington, D.C. 20057-1227, United States
| | - Timothy H. Warren
- Department
of Chemistry, Georgetown University, Box 571227, Washington, D.C. 20057-1227, United States
| | - Robert Knitsch
- Institut
für Physikalische Chemie, Westfälische Wilhelms-Universität, Corrensstrasse 30, 48149 Münster, Germany
| | - Hellmut Eckert
- Institut
für Physikalische Chemie, Westfälische Wilhelms-Universität, Corrensstrasse 30, 48149 Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
| | - Gerhard Erker
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität, Corrensstrasse 40, 48149 Münster, Germany
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7
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Ye K, Kehr G, Daniliuc CG, Liu L, Grimme S, Erker G. Coupling of Carbon Monoxide with Nitrogen Monoxide at a Frustrated Lewis Pair Template. Angew Chem Int Ed Engl 2016; 55:9216-9. [DOI: 10.1002/anie.201603760] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2016] [Revised: 05/17/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Ke‐Yin Ye
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
| | - Gerald Kehr
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
| | - Lei Liu
- Mulliken Center for Theoretical ChemistryInstitut für Physikalische und Theoretische ChemieUniversität Bonn Beringstraße 4 53115 Bonn Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical ChemistryInstitut für Physikalische und Theoretische ChemieUniversität Bonn Beringstraße 4 53115 Bonn Germany
| | - Gerhard Erker
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
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8
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Wang L, Samigullin K, Wagner M, McQuilken AC, Warren TH, Daniliuc CG, Kehr G, Erker G. An Ethylene-Bridged Phosphane/Borane Frustrated Lewis Pair Featuring the -B(Fxyl)2 Lewis Acid Component. Chemistry 2016; 22:11015-21. [PMID: 27355412 DOI: 10.1002/chem.201601583] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Indexed: 11/07/2022]
Abstract
Hydroboration of dimesitylvinylphosphane with bis[3,5-bis(trifluoromethyl)phenyl]borane [HB(Fxyl)2 ] gave the intramolecular ethylene-bridged P/B frustrated Lewis pair (FLP) Mes2 PCH2 CH2 B(Fxyl)2 . The new compound underwent a variety of typical FLP reactions such as P/B-addition to the carbonyl group of p-chloro-benzaldehyde. Cooperative N,N-addition to nitric oxide gave the respective persistent P/B FLPNO(.) radical, which readily reacted with 1,4-cyclohexadiene by H-atom abstraction to yield the corresponding P/B FLPNOH product. The B(Fxyl)2 -containing FLP reacted as a template for the HB(C6 F5 )2 reduction of carbon monoxide to the formyl stage to give the respective FLP(η(2) -formylborane) product. Most products were characterized by single-crystal X-ray crystal structure analysis.
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Affiliation(s)
- Long Wang
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Kamil Samigullin
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt, Max-von-Laue-Straße 7, 60438, Frankfurt (Main), Germany
| | - Matthias Wagner
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt, Max-von-Laue-Straße 7, 60438, Frankfurt (Main), Germany
| | - Alison C McQuilken
- Department of Chemistry, Georgetown University, Box 571557, Washington DC, 20057-1227, USA
| | - Timothy H Warren
- Department of Chemistry, Georgetown University, Box 571557, Washington DC, 20057-1227, USA
| | - Constantin G Daniliuc
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149, Münster, Germany
| | - Gerhard Erker
- Organisch-Chemisches Institut, Universität Münster, Corrensstraße 40, 48149, Münster, Germany.
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9
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Ye K, Kehr G, Daniliuc CG, Liu L, Grimme S, Erker G. Coupling of Carbon Monoxide with Nitrogen Monoxide at a Frustrated Lewis Pair Template. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603760] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Ke‐Yin Ye
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
| | - Gerald Kehr
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
| | - Lei Liu
- Mulliken Center for Theoretical ChemistryInstitut für Physikalische und Theoretische ChemieUniversität Bonn Beringstraße 4 53115 Bonn Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical ChemistryInstitut für Physikalische und Theoretische ChemieUniversität Bonn Beringstraße 4 53115 Bonn Germany
| | - Gerhard Erker
- Organisch-Chemisches Institut derUniversität Münster Corrensstraße 40 48149 Münster Germany
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10
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Cardenas AJP, Hasegawa Y, Kehr G, Warren TH, Erker G. Cooperative 1,1-addition reactions of vicinal phosphane/borane frustrated Lewis pairs. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.01.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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11
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Frömel S, Daniliuc CG, Bannwarth C, Grimme S, Bussmann K, Kehr G, Erker G. Indirect synthesis of a pair of formal methane activation products at a phosphane/borane frustrated Lewis pair. Dalton Trans 2016; 45:19230-19233. [DOI: 10.1039/c6dt04206f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The endergonic formal FLP methane activation products were obtained by an indirect stepwise synthesis and shown to be kinetically stable.
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Affiliation(s)
- Silke Frömel
- Organisch-Chemisches Institut
- Universität Münster
- 48149 Münster
- Germany
| | | | - Christoph Bannwarth
- Mulliken Center for Theoretical Chemistry
- Institut für Physikalische und Theoretische Chemie
- Universität Bonn
- D-53115 Bonn
- Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry
- Institut für Physikalische und Theoretische Chemie
- Universität Bonn
- D-53115 Bonn
- Germany
| | - Kathrin Bussmann
- Organisch-Chemisches Institut
- Universität Münster
- 48149 Münster
- Germany
| | - Gerald Kehr
- Organisch-Chemisches Institut
- Universität Münster
- 48149 Münster
- Germany
| | - Gerhard Erker
- Organisch-Chemisches Institut
- Universität Münster
- 48149 Münster
- Germany
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12
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Liedtke R, Eller C, Daniliuc CG, Williams K, Warren TH, Tesch M, Studer A, Kehr G, Erker G. FLPNO Nitroxide Radical Formation by a 1,1-Carboboration Route. Organometallics 2015. [DOI: 10.1021/acs.organomet.5b00886] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- René Liedtke
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Christina Eller
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Kamille Williams
- Department
of Chemistry, Georgetown University, Box 571227, Washington, D.C. 20057-1227, United States
| | - Timothy H. Warren
- Department
of Chemistry, Georgetown University, Box 571227, Washington, D.C. 20057-1227, United States
| | - Matthias Tesch
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Armido Studer
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
| | - Gerhard Erker
- Organisch-Chemisches
Institut der Universität Münster, Corrensstraße 40, 48149 Münster, Germany
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13
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Rosorius C, Möricke J, Wibbeling B, McQuilken AC, Warren TH, Daniliuc CG, Kehr G, Erker G. Frustrated Lewis Pair Chemistry Derived from Bulky Allenyl and Propargyl Phosphanes. Chemistry 2015; 22:1103-13. [DOI: 10.1002/chem.201502493] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Revised: 09/14/2015] [Indexed: 11/07/2022]
Affiliation(s)
- Christoph Rosorius
- Organisch-Chemisches Institut; Universität Münster; Corrensstraße 40 48149 Münster Germany
| | - Jennifer Möricke
- Organisch-Chemisches Institut; Universität Münster; Corrensstraße 40 48149 Münster Germany
| | - Birgit Wibbeling
- Organisch-Chemisches Institut; Universität Münster; Corrensstraße 40 48149 Münster Germany
| | - Alison C. McQuilken
- Department of Chemistry; Georgetown University; 37th and O Streets NW Washington DC 20057-1227 USA
| | - Timothy H. Warren
- Department of Chemistry; Georgetown University; 37th and O Streets NW Washington DC 20057-1227 USA
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut; Universität Münster; Corrensstraße 40 48149 Münster Germany
| | - Gerald Kehr
- Organisch-Chemisches Institut; Universität Münster; Corrensstraße 40 48149 Münster Germany
| | - Gerhard Erker
- Organisch-Chemisches Institut; Universität Münster; Corrensstraße 40 48149 Münster Germany
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14
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Liedtke R, Scheidt F, Ren J, Schirmer B, Cardenas AJP, Daniliuc CG, Eckert H, Warren TH, Grimme S, Kehr G, Erker G. Frustrated Lewis Pair Modification by 1,1-Carboboration: Disclosure of a Phosphine Oxide Triggered Nitrogen Monoxide Addition to an Intramolecular P/B Frustrated Lewis Pair. J Am Chem Soc 2014; 136:9014-27. [DOI: 10.1021/ja5028293] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- René Liedtke
- Organisch-Chemisches
Institut, Universität Münster, Corrensstrasse 40, Münster 48149, Germany
| | - Felix Scheidt
- Organisch-Chemisches
Institut, Universität Münster, Corrensstrasse 40, Münster 48149, Germany
| | - Jinjun Ren
- Institut
für Physikalische Chemie, Universität Münster, Corrensstrasse
30, Münster 48149, Germany
| | - Birgitta Schirmer
- Organisch-Chemisches
Institut, Universität Münster, Corrensstrasse 40, Münster 48149, Germany
| | - Allan Jay P. Cardenas
- Department
of Chemistry, Georgetown University, 37th and O Streets NW, Washington, DC 20057-1227, United States
| | - Constantin G. Daniliuc
- Organisch-Chemisches
Institut, Universität Münster, Corrensstrasse 40, Münster 48149, Germany
| | - Hellmut Eckert
- Institut
für Physikalische Chemie, Universität Münster, Corrensstrasse
30, Münster 48149, Germany
| | - Timothy H. Warren
- Department
of Chemistry, Georgetown University, 37th and O Streets NW, Washington, DC 20057-1227, United States
| | - Stefan Grimme
- Mulliken
Center for Theoretical Chemistry, Institut für Physikalische
und Theoretische Chemie, Universität Bonn, Beringstrasse 4, Bonn 53115, Germany
| | - Gerald Kehr
- Organisch-Chemisches
Institut, Universität Münster, Corrensstrasse 40, Münster 48149, Germany
| | - Gerhard Erker
- Organisch-Chemisches
Institut, Universität Münster, Corrensstrasse 40, Münster 48149, Germany
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15
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Pereira JCM, Sajid M, Kehr G, Wright AM, Schirmer B, Qu ZW, Grimme S, Erker G, Ford PC. Reaction of a Bridged Frustrated Lewis Pair with Nitric Oxide: A Kinetics Study. J Am Chem Soc 2013; 136:513-9. [DOI: 10.1021/ja4118335] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- José Clayston Melo Pereira
- Department
of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Muhammad Sajid
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität Muenster,48149 Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität Muenster,48149 Münster, Germany
| | - Ashley M. Wright
- Department
of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106-9510, United States
| | - Birgitta Schirmer
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität Muenster,48149 Münster, Germany
| | - Zheng-Wang Qu
- Mulliken
Center for Theoretical Chemistry, Institut für Physikalische
und Theoretische Chemie, Universität Bonn, Beringstr. 4, D-53115 Bonn, Germany
| | - Stefan Grimme
- Mulliken
Center for Theoretical Chemistry, Institut für Physikalische
und Theoretische Chemie, Universität Bonn, Beringstr. 4, D-53115 Bonn, Germany
| | - Gerhard Erker
- Organisch-Chemisches
Institut, Westfälische Wilhelms-Universität Muenster,48149 Münster, Germany
| | - Peter C. Ford
- Department
of Chemistry and Biochemistry, University of California at Santa Barbara, Santa Barbara, California 93106-9510, United States
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16
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Sajid M, Kehr G, Wiegand T, Eckert H, Schwickert C, Pöttgen R, Cardenas AJP, Warren TH, Fröhlich R, Daniliuc CG, Erker G. Noninteracting, Vicinal Frustrated P/B-Lewis Pair at the Norbornane Framework: Synthesis, Characterization, and Reactions. J Am Chem Soc 2013; 135:8882-95. [DOI: 10.1021/ja400338e] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Muhammad Sajid
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstr.
40, 48149 Münster, Germany
| | - Gerald Kehr
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstr.
40, 48149 Münster, Germany
| | - Thomas Wiegand
- Institut für Physikalische
Chemie and Graduate School of Chemistry, Westfälische Wilhelms-Universität, Corrensstr. 28/30, 48149
Münster, Germany
| | - Hellmut Eckert
- Institut für Physikalische
Chemie and Graduate School of Chemistry, Westfälische Wilhelms-Universität, Corrensstr. 28/30, 48149
Münster, Germany
| | - Christian Schwickert
- Institut
für Anorganische
und Analytische Chemie, Westfälische Wilhelms-Universität, Corrensstr. 28/30, 48149 Münster, Germany
| | - Rainer Pöttgen
- Institut
für Anorganische
und Analytische Chemie, Westfälische Wilhelms-Universität, Corrensstr. 28/30, 48149 Münster, Germany
| | - Allan Jay P. Cardenas
- Department of Chemistry, Georgetown University, P.O. Box 571227, Washington,
D.C. 20057-1227, United States
| | - Timothy H. Warren
- Department of Chemistry, Georgetown University, P.O. Box 571227, Washington,
D.C. 20057-1227, United States
| | - Roland Fröhlich
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstr.
40, 48149 Münster, Germany
| | - Constantin G. Daniliuc
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstr.
40, 48149 Münster, Germany
| | - Gerhard Erker
- Organisch-Chemisches Institut, Westfälische Wilhelms-Universität, Corrensstr.
40, 48149 Münster, Germany
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