1
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Lee M, Sulwey D, Rotella ME, Kim WS, Ju X, Jiang Q, Kozlowski MC, Lee J. Mechanistic Insights of Copper Catalyzed Trifluoromethyl Aziridine Opening: Regioselective and Stereospecific Aryl Grignard Addition. Org Lett 2024; 26:2713-2717. [PMID: 37192368 PMCID: PMC10651793 DOI: 10.1021/acs.orglett.3c01122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
The copper catalyzed regioselective and stereospecific opening of CF3-aziridines is reported. This method focuses on the synthesis of α-CF3-β-arylethylamines, which can be potential key intermediates in the synthesis of synthetic analogues and biologically active molecules. Density functional theory calculations reveal the nature of the active copper species and the role of the LiClMgX2 (X = Cl or I) as a Lewis acid. Further, the computed mechanism accounts for the high regioselectivity of this transformation.
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Affiliation(s)
- Miseon Lee
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877-0368, United States
| | - Dennis Sulwey
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877-0368, United States
| | - Madeline E. Rotella
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Wan Shin Kim
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877-0368, United States
| | - Xuan Ju
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877-0368, United States
| | - Qi Jiang
- Material and Analytical Sciences, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877-0368, United States
| | - Marisa C. Kozlowski
- Department of Chemistry, Roy and Diana Vagelos Laboratories, University of Pennsylvania, Philadelphia, Pennsylvania 19104-6323, United States
| | - Jaehee Lee
- Chemical Development, Boehringer Ingelheim Pharmaceuticals, Inc., 900 Ridgebury Road, Ridgefield, Connecticut 06877-0368, United States
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2
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Iwasaki T, Kambe N. Cross- and Multi-Coupling Reactions Using Monofluoroalkanes. CHEM REC 2023; 23:e202300033. [PMID: 37070641 DOI: 10.1002/tcr.202300033] [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: 01/30/2023] [Revised: 04/03/2023] [Indexed: 04/19/2023]
Abstract
Carbon-fluorine bonds are stable and have demonstrated sluggishness against various chemical manipulations. However, selective transformations of C-F bonds can be achieved by developing appropriate conditions as useful synthetic methods in organic chemistry. This review focuses on C-C bond formation at monofluorinated sp3 -hybridized carbons via C-F bond cleavage, including cross-coupling and multi-component coupling reactions. The C-F bond cleavage mechanisms on the sp3 -hybridized carbon centers can be primarily categorized into three types: Lewis acids promoted F atom elimination to generate carbocation intermediates; nucleophilic substitution with metal or carbon nucleophiles supported by the activation of C-F bonds by coordination of Lewis acids; and the cleavage of C-F bonds via a single electron transfer. The characteristic features of alkyl fluorides, in comparison with other (pseudo)halides as promising electrophilic coupling counterparts, are also discussed.
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Affiliation(s)
- Takanori Iwasaki
- Department of Chemistry and Biotechnology, Graduate School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
| | - Nobuaki Kambe
- Research Center for Environmental Preservation, Osaka University, 2-4 Yamadaoka, Suita, Osaka, 565-0871, Japan
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3
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Lokolkar MS, Kolekar YA, Jagtap PA, Bhanage BM. Cu-Catalyzed C-C Coupling Reactions. TOP ORGANOMETAL CHEM 2023. [DOI: 10.1007/3418_2022_81] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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4
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Nickel‐Catalysed Cross‐Electrophile Coupling of Benzyl Bromides and Sulfonium Salts towards the Synthesis of Dihydrostilbenes. Chemistry 2022; 28:e202201644. [DOI: 10.1002/chem.202201644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Indexed: 11/07/2022]
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5
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Kranthikumar R. Recent Advances in C(sp 3)–C(sp 3) Cross-Coupling Chemistry: A Dominant Performance of Nickel Catalysts. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00032] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ramagonolla Kranthikumar
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, Massachusetts 02138, United States
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6
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Petruncio G, Elahi-Mohassel S, Girgis M, Paige M. Copper-catalyzed sp3-sp3 cross-coupling of turbo grignards with benzyl halides. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Andersen C, Ferey V, Daumas M, Bernardelli P, Guérinot A, Cossy J. Copper-Catalyzed Cross-Coupling between Alkyl (Pseudo)halides and Bicyclopentyl Grignard Reagents. Org Lett 2020; 22:6021-6025. [PMID: 32672465 DOI: 10.1021/acs.orglett.0c02115] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The development of a copper-catalyzed cross-coupling between primary and secondary (pseudo)halides and bicyclopentyl Grignard reagents is reported. Highly strained bicyclopentanes can be cross-coupled with a large panel of primary alkyl mesylates and secondary alkyl iodides. The catalytic system is simple and cheap, and the reaction is general and chemoselective.
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Affiliation(s)
- Claire Andersen
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75005 Paris, France
| | - Vincent Ferey
- Sanofi R&D, 371 rue du Professeur Joseph Blayac, 34080 Montpellier, France
| | - Marc Daumas
- Sanofi Chimie, Route d'Avignon, 30390 Aramon, France
| | | | - Amandine Guérinot
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75005 Paris, France
| | - Janine Cossy
- Molecular, Macromolecular Chemistry and Materials, ESPCI Paris, CNRS, PSL University, 10 rue Vauquelin, 75005 Paris, France
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8
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Matsuoka I, Kurahashi T, Matsubara S. Cu(II) Porphyrin-catalyzed Coupling of Alkyl Tosylates and Grignard Reagents. CHEM LETT 2020. [DOI: 10.1246/cl.200064] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Iori Matsuoka
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Takuya Kurahashi
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
| | - Seijiro Matsubara
- Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan
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9
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Iwasaki T. Catalytic Construction of Carbon Frameworks Employing Alkyl Fluorides as Electrophiles. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Takanori Iwasaki
- Department of Chemistry and Biotechnology, The University of Tokyo
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10
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Cheng LJ, Mankad NP. C–C and C–X coupling reactions of unactivated alkyl electrophiles using copper catalysis. Chem Soc Rev 2020; 49:8036-8064. [DOI: 10.1039/d0cs00316f] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Copper catalysts enable cross-coupling reactions of unactivated alkyl electrophiles to generate C–C and C–X bonds.
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Affiliation(s)
- Li-Jie Cheng
- Department of Chemistry
- University of Illinois at Chicago
- Chicago
- USA
| | - Neal P. Mankad
- Department of Chemistry
- University of Illinois at Chicago
- Chicago
- USA
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11
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Komeyama K, Michiyuki T, Osaka I. Nickel/Cobalt-Catalyzed C(sp3)–C(sp3) Cross-Coupling of Alkyl Halides with Alkyl Tosylates. ACS Catal 2019. [DOI: 10.1021/acscatal.9b03352] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Kimihiro Komeyama
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Takuya Michiyuki
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
| | - Itaru Osaka
- Department of Applied Chemistry, Graduate School of Engineering, Hiroshima University, 1-4-1 Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8527, Japan
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12
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Friebel J, Ender CP, Mezger M, Michels J, Wagner M, Wagener KB, Weil T. Synthesis of Precision Poly(1,3-adamantylene alkylene)s via Acyclic Diene Metathesis Polycondensation. Macromolecules 2019; 52:4483-4491. [PMID: 31274929 PMCID: PMC6595437 DOI: 10.1021/acs.macromol.9b00294] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 05/14/2019] [Indexed: 11/30/2022]
Abstract
![]()
Fully saturated, aliphatic polymers
containing adamantane moieties
evenly distributed along the polymer backbone are of great interest
due to their exceptional thermal stability, yet more synthetic strategies
toward these polymers would be desirable. Herein, we report for the
first time the synthesis of poly(1,3-adamantylene alkylene)s based
on α,ω-dienes containing bulky 1,3-adamantylene defects
precisely located on every 11th, 17th, 19th, and 21st chain carbon
via acyclic diene metathesis polycondensation. All saturated polymers
revealed excellent thermal stabilities (452–456 °C) that
were significantly higher compared to those of structurally similar
polyolefins with aliphatic or aromatic ring systems in the backbone
of polyethylene (PE). Their crystallinity increases successively from
shorter to longer CH2 chains between the adamantane defects.
The adamantanes were located in the PE crystals distorting the PE
unit cell by the incorporation of the adamantane defect at the kinks
of a terrace arrangement. Precise positioning of structural defects
within the polymeric backbone provides various opportunities to customize
material properties by “defect engineering” in soft
polymeric materials.
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Affiliation(s)
- Jonas Friebel
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.,Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Christopher P Ender
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Markus Mezger
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.,Institute of Physics, Johannes Gutenberg University Mainz, Ackermannweg 10, 55128 Mainz, Germany
| | - Jasper Michels
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Manfred Wagner
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Kenneth B Wagener
- The George and Josephine Butler Polymer Research Laboratory Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Tanja Weil
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.,Institute of Inorganic Chemistry I, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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13
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Bergmann AM, Dorn SK, Smith KB, Logan KM, Brown MK. Catalyst-Controlled 1,2- and 1,1-Arylboration of α-Alkyl Alkenyl Arenes. Angew Chem Int Ed Engl 2019; 58:1719-1723. [PMID: 30521697 DOI: 10.1002/anie.201812533] [Citation(s) in RCA: 89] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Indexed: 12/15/2022]
Abstract
Two methods are reported for the 1,2- and 1,1-arylboration of α-methyl vinyl arenes. In the case of 1,2-arylboration, the formation of a quaternary center occurred through a rare cross-coupling reaction of a tertiary organometallic complex. 1,1-Arylboration was enabled by catalyst optimization and occurred through a β-hydride elimination/reinsertion cascade. Enantioselective variants of both processes are presented as well as mechanistic investigations.
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Affiliation(s)
- Allison M Bergmann
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - Stanna K Dorn
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - Kevin B Smith
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - Kaitlyn M Logan
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - M Kevin Brown
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
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14
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Bergmann AM, Dorn SK, Smith KB, Logan KM, Brown MK. Catalyst‐Controlled 1,2‐ and 1,1‐Arylboration of α‐Alkyl Alkenyl Arenes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812533] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Allison M. Bergmann
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Stanna K. Dorn
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Kevin B. Smith
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Kaitlyn M. Logan
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - M. Kevin Brown
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
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15
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Iwasaki T, Terahigashi S, Wang Y, Tanaka A, Zhao H, Fujimoto Y, Fukase K, Kambe N. Synthesis of Cyclopropane Fatty Acids by C( sp3)−C( sp3) Cross-Coupling Reaction and Formal Synthesis of α-Mycolic Acid. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800901] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Takanori Iwasaki
- Department of Applied Chemistry, Graduate School of Engineering; Osaka University, Suita; Osaka 565-0871 Japan
- Department of Chemistry and Biotechnology, Graduate School of Engineering; The University of Tokyo; 7-3-1 Hongo, Bunkyo-ku Tokyo 113-8656 Japan
| | - Shohei Terahigashi
- Department of Applied Chemistry, Graduate School of Engineering; Osaka University, Suita; Osaka 565-0871 Japan
| | - Yufei Wang
- Department of Applied Chemistry, Graduate School of Engineering; Osaka University, Suita; Osaka 565-0871 Japan
| | - Arisa Tanaka
- Department of Applied Chemistry, Graduate School of Engineering; Osaka University, Suita; Osaka 565-0871 Japan
| | - Hanqing Zhao
- Department of Applied Chemistry, Graduate School of Engineering; Osaka University, Suita; Osaka 565-0871 Japan
| | - Yukari Fujimoto
- Department of Chemistry, Faculty of Science and Technology; Keio University; 3-14-1 Hiyoshi, Kohoku-ku, Yokohama Kanagawa 223-8522 Japan
| | - Koichi Fukase
- Department of Chemistry, Graduate School of Science; Osaka University, Toyonaka; Osaka 560-0043 Japan
| | - Nobuaki Kambe
- Department of Applied Chemistry, Graduate School of Engineering; Osaka University, Suita; Osaka 565-0871 Japan
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16
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Iwasaki T, Shimizu R, Imanishi R, Kuniyasu H, Kambe N. Cross-coupling Reaction of Alkyl Halides with Alkyl Grignard Reagents Catalyzed by Cp-Iron Complexes in the Presence of 1,3-Butadiene. CHEM LETT 2018. [DOI: 10.1246/cl.180201] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Takanori Iwasaki
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Ryohei Shimizu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Reiko Imanishi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hitoshi Kuniyasu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Nobuaki Kambe
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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17
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Nakamura Y, Matsumoto T, Sakazume Y, Murata J, Chang HC. Tuning the Mesomorphism and Redox Response of Anionic-Ligand-Based Mixed-Valent Nickel(II) Complexes by Alkyl-Substituted Quaternary Ammonium Cations. Chemistry 2018; 24:7398-7409. [PMID: 29504636 DOI: 10.1002/chem.201706006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Indexed: 01/01/2023]
Abstract
The combination of the redox-active mesogenic anion [NiII (Bdt)(BdtSQ)]- (Bdt=1,2-benzenedithiolato; BdtSQ=1,2-dithia-semi-benzoquinonato) with alkyl-substituted ammonium cations afforded a series of redox-active ionic complexes of the type [NR4 ][NiII (Bdt)(BdtSQ)] [R=nC16 H33 (NC164 Ni) and C8,10 (NC8,104 Ni); C8,10=6-octylhexadecyl] or [NMe2 R2 ][NiII (Bdt)(BdtSQ)] [R=nC16 H33 (NMe2 C162 Ni) and C8,10 (NMe2 C8,102 Ni)]. X-ray crystallographic analyses of NMe2 C162 Ni and NC164 Ni revealed the formation of cation-dependent integrated ionic layers separated by interdigittated alkyl chains. Complexes NMe2 C162 Ni and NC164 Ni commonly form crystalline phases at room temperature, whereas complexes NMe2 C8,102 Ni and NC8,104 Ni, which contain branched alkyl chains, form a metastable mesophase and an amorphous phase at the same temperature, respectively. Furthermore, complexes NMe2 C162 Ni, NMe2 C8,102 Ni, and NC164 Ni commonly form a smectic A phase (SmA) at 375, 317, and 342 K, respectively. For the four complexes, well-defined cyclic voltammetry responses, derived from ligand-based oxidation and reduction, were observed in solution and the condensed phases, that is, upon casting these complexes on an indium-doped tin oxide working electrode. The present study demonstrates the tunability of the mesomorphism of ionic molecular assemblies composed of alkyl-substituted quaternary ammonium cations, while maintaining the well-defined redox responses of the anions even in the condensed phases.
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Affiliation(s)
- Yuichi Nakamura
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Takeshi Matsumoto
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Yasutaka Sakazume
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Junnosuke Murata
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Ho-Chol Chang
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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18
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Iwasaki T, Fukuoka A, Yokoyama W, Min X, Hisaki I, Yang T, Ehara M, Kuniyasu H, Kambe N. Nickel-catalyzed coupling reaction of alkyl halides with aryl Grignard reagents in the presence of 1,3-butadiene: mechanistic studies of four-component coupling and competing cross-coupling reactions. Chem Sci 2018; 9:2195-2211. [PMID: 29719693 PMCID: PMC5903371 DOI: 10.1039/c7sc04675h] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Accepted: 01/04/2018] [Indexed: 12/24/2022] Open
Abstract
We describe the mechanism, substituent effects, and origins of the selectivity of the nickel-catalyzed four-component coupling reactions of alkyl fluorides, aryl Grignard reagents, and two molecules of 1,3-butadiene that affords a 1,6-octadiene carbon framework bearing alkyl and aryl groups at the 3- and 8-positions, respectively, and the competing cross-coupling reaction. Both the four-component coupling reaction and the cross-coupling reaction are triggered by the formation of anionic nickel complexes, which are generated by the oxidative dimerization of two molecules of 1,3-butadiene on Ni(0) and the subsequent complexation with the aryl Grignard reagents. The C-C bond formation of the alkyl fluorides with the γ-carbon of the anionic nickel complexes leads to the four-component coupling product, whereas the cross-coupling product is yielded via nucleophilic attack of the Ni center toward the alkyl fluorides. These steps are found to be the rate-determining and selectivity-determining steps of the whole catalytic cycle, in which the C-F bond of the alkyl fluorides is activated by the Mg cation rather than a Li or Zn cation. ortho-Substituents of the aryl Grignard reagents suppressed the cross-coupling reaction leading to the selective formation of the four-component products. Such steric effects of the ortho-substituents were clearly demonstrated by crystal structure characterizations of ate complexes and DFT calculations. The electronic effects of the para-substituent of the aryl Grignard reagents on both the selectivity and reaction rates are thoroughly discussed. The present mechanistic study offers new insight into anionic complexes, which are proposed as the key intermediates in catalytic transformations even though detailed mechanisms are not established in many cases, and demonstrates their synthetic utility as promising intermediates for C-C bond forming reactions, providing useful information for developing efficient and straightforward multicomponent reactions.
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Affiliation(s)
- Takanori Iwasaki
- Department of Applied Chemistry , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan . ;
| | - Asuka Fukuoka
- Department of Applied Chemistry , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan . ;
| | - Wataru Yokoyama
- Department of Applied Chemistry , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan . ;
| | - Xin Min
- Department of Applied Chemistry , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan . ;
| | - Ichiro Hisaki
- Department of Material and Life Science , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan
| | - Tao Yang
- Department of Theoretical and Computational Molecular Science , Institute for Molecular Science , 38 Nishigo-Naka, Myodaiji , Okazaki , Aichi 444-8585 , Japan .
- Elements Strategy Initiative for Catalysts and Batteries (ESICB) , Kyoto University , Katsura , Kyoto 615-8510 , Japan
- Fachbereich Chemie , Philipps-Universität Marburg , Hans-Meerwein-Strasse, Marburg 35032 , Germany .
| | - Masahiro Ehara
- Department of Theoretical and Computational Molecular Science , Institute for Molecular Science , 38 Nishigo-Naka, Myodaiji , Okazaki , Aichi 444-8585 , Japan .
- Elements Strategy Initiative for Catalysts and Batteries (ESICB) , Kyoto University , Katsura , Kyoto 615-8510 , Japan
| | - Hitoshi Kuniyasu
- Department of Applied Chemistry , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan . ;
| | - Nobuaki Kambe
- Department of Applied Chemistry , Graduate School of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan . ;
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Abstract
Upon reaction with either molecular oxygen or di-tert-butylperoxide in the presence of a simple copper(I) salt and an alcohol, a range of 1,2-azaborines readily exchange B-alkyl or B-aryl moieties for B-alkoxide fragments. This transformation allows alkyl and aryl groups to serve for the first time as removable protecting groups for the boron position of 1,2-azaborines during reactions that are not compatible with the easily modifiable B-alkoxide moiety. This reaction can be applied to synthesize a previously inaccessible BN isostere of ethylbenzene, a compound of interest in biomedical research. A sequence of epoxide ring opening using N-deprotonated 1,2-azaborines followed by an intramolecular version of the boron deprotection reaction can be applied to access the first examples of BN isosteres of dihydrobenzofurans and benzofurans, classes of compounds that are important to medicinal chemistry and natural product synthesis.
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Affiliation(s)
- Andrew W Baggett
- Department of Chemistry, Boston College , Chestnut Hill, Massachusetts 02467-3860, United States
| | - Shih-Yuan Liu
- Department of Chemistry, Boston College , Chestnut Hill, Massachusetts 02467-3860, United States
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20
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Copper-catalyzed cross-coupling reactions of non-activated primary, secondary or tertiary alkyl chlorides with phenylmagnesium bromide. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2016.12.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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23
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Ramírez-Contreras R, Morandi B. Chemo- and Regioselective Functionalization of Polyols through Catalytic C(sp(3))-C(sp(3)) Kumada-Type Coupling of Cyclic Sulfate Esters. Org Lett 2016; 18:3718-21. [PMID: 27441850 DOI: 10.1021/acs.orglett.6b01745] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
This contribution describes a copper-catalyzed, C(sp(3))-C(sp(3)) cross-coupling reaction of cyclic sulfate esters, a distinct class of electrophilic derivatives of polyols, with alkyl Grignard reagents to afford functionalized alcohol products in good yields. The method is operationally simple and highlights the potential of cyclic sulfate esters as highly reactive substrates in catalytic, chemoselective polyol transformations.
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Affiliation(s)
| | - Bill Morandi
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Germany
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24
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Eno MS, Lu A, Morken JP. Nickel-Catalyzed Asymmetric Kumada Cross-Coupling of Symmetric Cyclic Sulfates. J Am Chem Soc 2016; 138:7824-7. [PMID: 27276235 DOI: 10.1021/jacs.6b03384] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Nickel-catalyzed enantioselective cross-couplings between symmetric cyclic sulfates and aromatic Grignard reagents are described. These reactions are effective with a broad range of substituted cyclic sulfates and deliver products with asymmetric tertiary carbon centers. Mechanistic experiments point to a stereoinvertive SN2-like oxidative addition of a nickel complex to the electrophilic substrate.
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Affiliation(s)
- Meredith S Eno
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
| | - Alexander Lu
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
| | - James P Morken
- Department of Chemistry, Merkert Chemistry Center, Boston College , Chestnut Hill, Massachusetts 02467, United States
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25
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Dryzhakov M, Moran J. Autocatalytic Friedel–Crafts Reactions of Tertiary Aliphatic Fluorides Initiated by B(C6F5)3·H2O. ACS Catal 2016. [DOI: 10.1021/acscatal.6b00866] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Marian Dryzhakov
- ISIS & icFRC, Université de Strasbourg & CNRS, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Joseph Moran
- ISIS & icFRC, Université de Strasbourg & CNRS, 8 allée Gaspard Monge, 67000 Strasbourg, France
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26
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Iwasaki T, Min X, Fukuoka A, Kuniyasu H, Kambe N. Nickel‐Catalyzed Dimerization and Alkylarylation of 1,3‐Dienes with Alkyl Fluorides and Aryl Grignard Reagents. Angew Chem Int Ed Engl 2016; 55:5550-4. [DOI: 10.1002/anie.201601126] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Takanori Iwasaki
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Xin Min
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Asuka Fukuoka
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Hitoshi Kuniyasu
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Nobuaki Kambe
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
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27
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Iwasaki T, Min X, Fukuoka A, Kuniyasu H, Kambe N. Nickel‐Catalyzed Dimerization and Alkylarylation of 1,3‐Dienes with Alkyl Fluorides and Aryl Grignard Reagents. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601126] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Takanori Iwasaki
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Xin Min
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Asuka Fukuoka
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Hitoshi Kuniyasu
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
| | - Nobuaki Kambe
- Department of Applied Chemistry Graduate School of Engineering Osaka University Suita Osaka 565-0871 Japan
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28
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Copper-catalyzed cross-coupling of 1-haloalkyl -o- carboranes with Grignard reagents: an efficient route to monosubstituted o- carborane derivatives. Tetrahedron 2016. [DOI: 10.1016/j.tet.2015.11.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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29
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Cheung CW, Hu X. Stereoselective Synthesis of Trisubstituted Alkenes through Sequential Iron-Catalyzed Reductiveanti-Carbozincation of Terminal Alkynes and Base-Metal-Catalyzed Negishi Cross-Coupling. Chemistry 2015; 21:18439-44. [DOI: 10.1002/chem.201504049] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Indexed: 01/29/2023]
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30
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Iwasaki T, Shimizu R, Imanishi R, Kuniyasu H, Kambe N. Copper-Catalyzed Regioselective Hydroalkylation of 1,3-Dienes with Alkyl Fluorides and Grignard Reagents. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503288] [Citation(s) in RCA: 8] [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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31
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Iwasaki T, Shimizu R, Imanishi R, Kuniyasu H, Kambe N. Copper-Catalyzed Regioselective Hydroalkylation of 1,3-Dienes with Alkyl Fluorides and Grignard Reagents. Angew Chem Int Ed Engl 2015; 54:9347-50. [DOI: 10.1002/anie.201503288] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2015] [Revised: 05/18/2015] [Indexed: 11/09/2022]
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32
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Bailey SJ, Wales SM, Willis AC, Keller PA. Ring-Opening and -Expansion of 2,2′-Biaziridine: Access to Diverse Enantiopure Linear and Bicyclic Vicinal Diamines. Org Lett 2014; 16:4344-7. [DOI: 10.1021/ol502164b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Stephen J. Bailey
- School
of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Steven M. Wales
- School
of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
| | - Anthony C. Willis
- Research
School of Chemistry, The Australian National University, Canberra, ACT 0200, Australia
| | - Paul A. Keller
- School
of Chemistry, University of Wollongong, Wollongong, NSW 2522, Australia
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