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Li G, Szostak M. Kinetically Controlled, Highly Chemoselective Acylation of Functionalized Grignard Reagents with Amides by N−C Cleavage. Chemistry 2019; 26:611-615. [DOI: 10.1002/chem.201904678] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2019] [Revised: 11/05/2019] [Indexed: 12/22/2022]
Affiliation(s)
- Guangchen Li
- Department of ChemistryRutgers University 73 Warren Street Newark NJ 07102 USA
| | - Michal Szostak
- Department of ChemistryRutgers University 73 Warren Street Newark NJ 07102 USA
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2
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Funabiki K, Hayakawa A, Kani R, Inuzuka T, Kubota Y. One-Pot and Reducible-Functional-Group-Tolerant Synthesis of α-Aryl- and α-Heteroaryl-α-Trifluoromethyl Alcohols via Tandem Trifluoroacetylation and MPV Type Reduction. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901049] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kazumasa Funabiki
- Department of Chemistry and Biomolecular Science; Gifu University; 1-1 Yanagido 501-1193 Gifu Japan
| | - Ayaka Hayakawa
- Department of Chemistry and Biomolecular Science; Gifu University; 1-1 Yanagido 501-1193 Gifu Japan
| | - Ryunosuke Kani
- Department of Chemistry and Biomolecular Science; Gifu University; 1-1 Yanagido 501-1193 Gifu Japan
| | - Toshiyasu Inuzuka
- Division of Instrumental Analysis; Life Science Research Center; Gifu University; 1-1 Yanagido 501-1193 Gifu Japan
| | - Yashuhiro Kubota
- Department of Chemistry and Biomolecular Science; Gifu University; 1-1 Yanagido 501-1193 Gifu Japan
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3
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Bora PP, Bihani M, Plummer S, Gallou F, Handa S. Shielding Effect of Micelle for Highly Effective and Selective Monofluorination of Indoles in Water. CHEMSUSCHEM 2019; 12:3037-3042. [PMID: 30834700 DOI: 10.1002/cssc.201900316] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 02/28/2019] [Indexed: 05/12/2023]
Abstract
Highly selective direct monofluorination of indoles and arenes was developed through an approach that allows site-specific solubility of substrate and fluorine source in the micelle. This approach was highly selective for a broad range of substrates with excellent functional group tolerance. Differences in binding constant and solubility of indoles and arenes in the micelle allowed the fine-tuning of selectivity. Control experiments suggested a radical pathway and provided insight into the role of micelles of the environmentally benign amphiphile PS-750-M. Dynamic light scattering experiments strongly indicated the site-specific solubility of the substrate and fluorine source. The methodology was successfully adapted to gram scale, and the E-factor established from a recycle study indicated that the process is environmentally responsible and sustainable.
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Affiliation(s)
- Pranjal P Bora
- Department of Chemistry, University of Louisville, 2320 S. Brook St., Louisville, KY, 40292, USA
| | - Manisha Bihani
- Department of Chemistry, University of Louisville, 2320 S. Brook St., Louisville, KY, 40292, USA
| | - Scott Plummer
- Novartis Institutes for BioMedical Research, 250 Massachusetts Ave, Cambridge, MA, 02139, USA
| | | | - Sachin Handa
- Department of Chemistry, University of Louisville, 2320 S. Brook St., Louisville, KY, 40292, USA
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4
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Affiliation(s)
- Darren Heeran
- Department of Chemistry; Durham University; South Road DH1 3LE Durham U.K
| | - Graham Sandford
- Department of Chemistry; Durham University; South Road DH1 3LE Durham U.K
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5
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Xing B, Ni C, Hu J. Hypervalent Iodine(III)-Catalyzed Balz-Schiemann Fluorination under Mild Conditions. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802466] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Bo Xing
- Key Laboratory of Organofluorine Chemistry; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Ling-Ling Road Shanghai 200032 China
| | - Chuanfa Ni
- Key Laboratory of Organofluorine Chemistry; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Ling-Ling Road Shanghai 200032 China
| | - Jinbo Hu
- Key Laboratory of Organofluorine Chemistry; Center for Excellence in Molecular Synthesis; Shanghai Institute of Organic Chemistry; University of Chinese Academy of Sciences; Chinese Academy of Sciences; 345 Ling-Ling Road Shanghai 200032 China
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6
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Xing B, Ni C, Hu J. Hypervalent Iodine(III)-Catalyzed Balz-Schiemann Fluorination under Mild Conditions. Angew Chem Int Ed Engl 2018; 57:9896-9900. [PMID: 29932480 DOI: 10.1002/anie.201802466] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2018] [Revised: 05/19/2018] [Indexed: 12/16/2022]
Abstract
An unprecedented hypervalent iodine(III) catalyzed Balz-Schiemann reaction is described. In the presence of a hypervalent iodine compound, the fluorination reaction proceeds under mild conditions (25-60 °C), and features a wide substrate scope and good functional-group compatibility.
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Affiliation(s)
- Bo Xing
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai, 200032, China
| | - Chuanfa Ni
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai, 200032, China
| | - Jinbo Hu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Ling-Ling Road, Shanghai, 200032, China
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7
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Chen H, Li P, Wang M, Wang L. Transition-Metal-Free Regioselective C-H Bond Fluorination of 8-Amidoquinolines with Selectfluor. European J Org Chem 2018. [DOI: 10.1002/ejoc.201800389] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Hao Chen
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
| | - Pinhua Li
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
| | - Min Wang
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
| | - Lei Wang
- Department of Chemistry; Huaibei Normal University; 235000 Huaibei Anhui P. R. China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; 200032 Shanghai P. R. China
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8
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Danahy KE, Cooper JC, Van Humbeck JF. Benzylic Fluorination of Aza-Heterocycles Induced by Single-Electron Transfer to Selectfluor. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201801280] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Kelley E. Danahy
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Ave. Cambridge MA 02139 USA
| | - Julian C. Cooper
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Ave. Cambridge MA 02139 USA
| | - Jeffrey F. Van Humbeck
- Department of Chemistry; University of Calgary; 2500 University Drive N.W. Calgary Alberta T2N 1N4 Canada
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9
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Danahy KE, Cooper JC, Van Humbeck JF. Benzylic Fluorination of Aza-Heterocycles Induced by Single-Electron Transfer to Selectfluor. Angew Chem Int Ed Engl 2018; 57:5134-5138. [PMID: 29486098 DOI: 10.1002/anie.201801280] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Indexed: 01/20/2023]
Abstract
A selective and mild method for the benzylic fluorination of aromatic azaheterocycles with Selectfluor is described. These reactions take place by a previously unreported mechanism, in which electron transfer from the heterocyclic substrate to the electrophilic fluorinating agent Selectfluor eventually yields a benzylic radical, thus leading to the desired C-F bond formation. This mechanism enables high intra- and intermolecular selectivity for aza-heterocycles over other benzylic components with similar C-H bond-dissociation energies.
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Affiliation(s)
- Kelley E Danahy
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Julian C Cooper
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, MA, 02139, USA
| | - Jeffrey F Van Humbeck
- Department of Chemistry, University of Calgary, 2500 University Drive N.W., Calgary, Alberta, T2N 1N4, Canada
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Roger J, Royer S, Cattey H, Savateev A, Smaliy RV, Kostyuk AN, Hierso JC. Diastereoselective Synthesis of Dialkylated Bis(phosphino)ferrocenes: Their Use in Promoting Silver-Mediated Nucleophilic Fluorination of Chloroquinolines. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600502] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Julien Roger
- Institut de Chimie Moléculaire de l'Université de Bourgogne; (ICMUB UMR-CNRS 6302); Université de Bourgogne Franche-Comté (UBFC); 9 avenue Alain Savary 21078 Dijon France
| | - Sylviane Royer
- Institut de Chimie Moléculaire de l'Université de Bourgogne; (ICMUB UMR-CNRS 6302); Université de Bourgogne Franche-Comté (UBFC); 9 avenue Alain Savary 21078 Dijon France
| | - Hélène Cattey
- Institut de Chimie Moléculaire de l'Université de Bourgogne; (ICMUB UMR-CNRS 6302); Université de Bourgogne Franche-Comté (UBFC); 9 avenue Alain Savary 21078 Dijon France
| | - Aleksandr Savateev
- Institute of Organic Chemistry; National Academy of Sciences; 5 Murmanska Str. 02660 Kyiv Ukraine
| | - Radomyr V. Smaliy
- Institute of Organic Chemistry; National Academy of Sciences; 5 Murmanska Str. 02660 Kyiv Ukraine
| | - Aleksandr N. Kostyuk
- Institute of Organic Chemistry; National Academy of Sciences; 5 Murmanska Str. 02660 Kyiv Ukraine
| | - Jean-Cyrille Hierso
- Institut de Chimie Moléculaire de l'Université de Bourgogne; (ICMUB UMR-CNRS 6302); Université de Bourgogne Franche-Comté (UBFC); 9 avenue Alain Savary 21078 Dijon France
- Institut Universitaire de France (IUF); 103 Boulevard Saint Michel 75005 Paris Cedex France
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11
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Park NH, Senter TJ, Buchwald SL. Rapid Synthesis of Aryl Fluorides in Continuous Flow through the Balz-Schiemann Reaction. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201606601] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Nathaniel H. Park
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Timothy J. Senter
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Stephen L. Buchwald
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
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12
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Park NH, Senter TJ, Buchwald SL. Rapid Synthesis of Aryl Fluorides in Continuous Flow through the Balz-Schiemann Reaction. Angew Chem Int Ed Engl 2016; 55:11907-11. [DOI: 10.1002/anie.201606601] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Indexed: 02/02/2023]
Affiliation(s)
- Nathaniel H. Park
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Timothy J. Senter
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
| | - Stephen L. Buchwald
- Department of Chemistry; Massachusetts Institute of Technology; 77 Massachusetts Avenue Cambridge MA 02139 USA
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13
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Hiramatsu K, Tamamura H. A Mild Method for the Direct Fluorination of Pyrroles by Using a Lipophilic Anionic Phase-Transfer Catalyst. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600570] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Kenichi Hiramatsu
- Department of Medicinal Chemistry; Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; Chiyoda-ku 101-0062 Tokyo Japan
| | - Hirokazu Tamamura
- Department of Medicinal Chemistry; Institute of Biomaterials and Bioengineering; Tokyo Medical and Dental University; Chiyoda-ku 101-0062 Tokyo Japan
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Fujita T, Watabe Y, Ichitsuka T, Ichikawa J. Ni-Catalyzed Synthesis of Fluoroarenes via [2+2+2] Cycloaddition Involving α-Fluorine Elimination. Chemistry 2015; 21:13225-8. [DOI: 10.1002/chem.201502744] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Indexed: 11/11/2022]
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15
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Zeng Y, Li G, Hu J. Diphenyliodonium-Catalyzed Fluorination of Arynes: Synthesis ofortho-Fluoroiodoarenes. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201503308] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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16
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Zeng Y, Li G, Hu J. Diphenyliodonium-Catalyzed Fluorination of Arynes: Synthesis ofortho-Fluoroiodoarenes. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/anie.201503308] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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17
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Ohashi M, Doi R, Ogoshi S. Palladium-Catalyzed Coupling Reaction of Perfluoroarenes with Diarylzinc Compounds. Chemistry 2014; 20:2040-8. [DOI: 10.1002/chem.201303451] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2013] [Indexed: 11/07/2022]
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18
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Liang T, Neumann CN, Ritter T. Introduction of fluorine and fluorine-containing functional groups. Angew Chem Int Ed Engl 2013; 52:8214-64. [PMID: 23873766 DOI: 10.1002/anie.201206566] [Citation(s) in RCA: 1955] [Impact Index Per Article: 177.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2012] [Indexed: 01/20/2023]
Abstract
Over the past decade, the most significant, conceptual advances in the field of fluorination were enabled most prominently by organo- and transition-metal catalysis. The most challenging transformation remains the formation of the parent C-F bond, primarily as a consequence of the high hydration energy of fluoride, strong metal-fluorine bonds, and highly polarized bonds to fluorine. Most fluorination reactions still lack generality, predictability, and cost-efficiency. Despite all current limitations, modern fluorination methods have made fluorinated molecules more readily available than ever before and have begun to have an impact on research areas that do not require large amounts of material, such as drug discovery and positron emission tomography. This Review gives a brief summary of conventional fluorination reactions, including those reactions that introduce fluorinated functional groups, and focuses on modern developments in the field.
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Affiliation(s)
- Theresa Liang
- Department of Chemistry and Chemical Biology, Harvard University, 12 Oxford Street, Cambridge, MA 02138, USA
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Yoshida H, Yoshida R, Takaki K. Synchronous ArF and ArSn Bond Formation through Fluorostannylation of Arynes. Angew Chem Int Ed Engl 2013; 52:8629-32. [DOI: 10.1002/anie.201302783] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2013] [Revised: 05/17/2013] [Indexed: 11/10/2022]
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21
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Yoshida H, Yoshida R, Takaki K. Synchronous ArF and ArSn Bond Formation through Fluorostannylation of Arynes. Angew Chem Int Ed Engl 2013. [DOI: 10.1002/ange.201302783] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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22
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Sibi MP, Landais Y. C(sp3)-F bond formation: a free-radical approach. Angew Chem Int Ed Engl 2013; 52:3570-2. [PMID: 23441011 DOI: 10.1002/anie.201209583] [Citation(s) in RCA: 95] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2012] [Indexed: 11/08/2022]
Affiliation(s)
- Mukund P Sibi
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58108, USA.
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Nagaki A, Uesugi Y, Kim H, Yoshida JI. Synthesis of Functionalized Aryl Fluorides Using Organolithium Reagents in Flow Microreactors. Chem Asian J 2013; 8:705-8. [DOI: 10.1002/asia.201201191] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2012] [Indexed: 01/06/2023]
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25
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Shoji T, Higashi J, Ito S, Okujima T, Yasunami M, Morita N. Synthesis of donor–acceptor chromophores by the [2 + 2] cycloaddition of arylethynyl-2H-cyclohepta[b]furan-2-ones with 7,7,8,8-tetracyanoquinodimethane. Org Biomol Chem 2012; 10:2431-8. [DOI: 10.1039/c2ob06931h] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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26
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Reisinger CM, Rivera-Fuentes P, Lampart S, Schweizer WB, Diederich F. Cascade Pericyclic Reactions of Alleno-Acetylenes: Facile Access to Highly Substituted Cyclobutene, Dendralene, Pentalene, and Indene Skeletons. Chemistry 2011; 17:12906-11. [DOI: 10.1002/chem.201102852] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Noël T, Maimone TJ, Buchwald SL. Accelerating palladium-catalyzed C-F bond formation: use of a microflow packed-bed reactor. Angew Chem Int Ed Engl 2011; 50:8900-3. [PMID: 21837710 PMCID: PMC3339491 DOI: 10.1002/anie.201104652] [Citation(s) in RCA: 119] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Indexed: 11/11/2022]
Abstract
A flow process for Pd-catalyzed carbon fluorine bond formation is described. A microreactor using a packed-bed design allows for easy handling of large quantities of insoluble CsF with precise control over reaction times, efficient mixing, and the ability to safely handle elevated temperatures and pressures. A variety of aryl triflates, including heteroaryl ones, were converted to their corresponding aryl fluoride in short reaction times that would be difficult to achieve in a typical batch process.
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Affiliation(s)
| | | | - Stephen L. Buchwald
- Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA 02139 (USA)
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Noël T, Maimone TJ, Buchwald SL. Accelerating Palladium-Catalyzed CF Bond Formation: Use of a Microflow Packed-Bed Reactor. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201104652] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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29
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Synthesis of Redox-Active, Intramolecular Charge-Transfer Chromophores by the [2+2] Cycloaddition of Ethynylated 2H-Cyclohepta[b]furan-2-ones with Tetracyanoethylene. Chemistry 2011; 17:5116-29. [DOI: 10.1002/chem.201003628] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2010] [Indexed: 11/07/2022]
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Engle KM, Mei TS, Wang X, Yu JQ. Bystanding F+ oxidants enable selective reductive elimination from high-valent metal centers in catalysis. Angew Chem Int Ed Engl 2011; 50:1478-91. [PMID: 21264991 PMCID: PMC3094160 DOI: 10.1002/anie.201005142] [Citation(s) in RCA: 341] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2010] [Indexed: 11/06/2022]
Abstract
Reductive elimination from partially or completely oxidized metal centers is a vital step in a myriad of carbon-carbon and carbon-heteroatom bond-forming reactions. One strategy for promoting otherwise challenging reductive elimination reactions is to oxidize the metal center using a two-electron oxidant (that is, from M((n)) to M((n+2))). However, many of the commonly used oxidants for this type of transformation contain oxygen, nitrogen, or halogen moieties that are subsequently capable of participating in reductive elimination, thus leading to a mixture of products. In this Minireview, we examine the use of bystanding F(+) oxidants for addressing this widespread problem in organometallic chemistry and describe recent applications in Pd(II) /Pd(IV) and Au(I) /Au(III) catalysis. We then briefly discuss a rare example in which one-electron oxidants have been shown to promote selective reductive elimination in palladium(II)-catalyzed C-H functionalization, which we view as a promising future direction in the field.
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Affiliation(s)
- Keary M. Engle
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Tian-Sheng Mei
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Xisheng Wang
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute (TSRI), 10550 N. Torrey Pines Road, La Jolla, CA 92037 (USA)
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Engle KM, Mei TS, Wang X, Yu JQ. Passive F+-Oxidationsmittel ermöglichen die selektive reduktive Eliminierung hochvalenter Metallzentren in der Katalyse. Angew Chem Int Ed Engl 2011. [DOI: 10.1002/ange.201005142] [Citation(s) in RCA: 101] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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32
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Anbarasan P, Neumann H, Beller M. A New and Practical Grignard-Coupling-Fluorination Sequence: Synthesis of 2-Aryl Fluoroarenes. Chem Asian J 2010; 5:1775-8. [DOI: 10.1002/asia.201000288] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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