1
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Zhu N, Yao H, Zhang X, Bao H. Metal-catalyzed asymmetric reactions enabled by organic peroxides. Chem Soc Rev 2024; 53:2326-2349. [PMID: 38259195 DOI: 10.1039/d3cs00735a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2024]
Abstract
As a class of multifunctional reagents, organic peroxides play vital roles in the chemical industry, pharmaceutical synthesis and polymerization reactions. Metal-catalyzed asymmetric catalysis has emerged as one of the most straightforward and efficient strategies to construct enantioenriched molecules, and an increasing number of metal-catalyzed asymmetric reactions enabled by organic peroxides have been disclosed by researchers in recent years. Despite remarkable progress, the types of asymmetric reactions facilitated by organic peroxides remain limited and the catalysis systems need to be further broadened. To the best of our knowledge, there is still no review devoted to summarizing the reactions from this perspective. In this review, we will endeavor to highlight the advances in metal-catalyzed asymmetric reactions enabled by organic peroxides. We hope that this survey will summarize the functions of organic peroxides in catalytic reactions, improve the understanding of these compounds and inspire future developments in this area.
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Affiliation(s)
- Nengbo Zhu
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
| | - Huijie Yao
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
- Fujian College, University of Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, P. R. China
| | - Xiyu Zhang
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
| | - Hongli Bao
- State Key Laboratory of Structural Chemistry, Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China.
- Fujian College, University of Chinese Academy of Sciences, 155 Yangqiao Road West, Fuzhou, Fujian 350002, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, P. R. China
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2
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Pellei M, Bagnarelli L, Gabrielli S, Lupidi G, Cimarelli C, Stella F, Dolmella A, Santini C. Copper(II) complexes based on isopropyl ester derivatives of bis(pyrazol-1-yl)acetate ligands with catalytic potency in organic macro(molecules) synthesis. Inorganica Chim Acta 2022. [DOI: 10.1016/j.ica.2022.121234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/06/2022]
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3
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Pigot C, Brunel D, Dumur F. Indane-1,3-Dione: From Synthetic Strategies to Applications. Molecules 2022; 27:5976. [PMID: 36144711 PMCID: PMC9501146 DOI: 10.3390/molecules27185976] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/01/2022] [Accepted: 09/06/2022] [Indexed: 11/26/2022] Open
Abstract
Indane-1,3-dione is a versatile building block used in numerous applications ranging from biosensing, bioactivity, bioimaging to electronics or photopolymerization. In this review, an overview of the different chemical reactions enabling access to this scaffold but also to the most common derivatives of indane-1,3-dione are presented. Parallel to this, the different applications in which indane-1,3-dione-based structures have been used are also presented, evidencing the versatility of this structure.
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Affiliation(s)
- Corentin Pigot
- Aix Marseille Univ, CNRS, ICR, UMR 7273, F-13397 Marseille, France
| | - Damien Brunel
- Aix Marseille Univ, CNRS, ICR, UMR 7273, F-13397 Marseille, France
| | - Frédéric Dumur
- Aix Marseille Univ, CNRS, ICR, UMR 7273, F-13397 Marseille, France
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4
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Preparation and DFT studies of chiral Cu (I)-complexes of biphenyl bisoxazolines and their application in enantioselective Kharasch-Sosnovsky reaction. Sci Rep 2022; 12:15038. [PMID: 36057728 PMCID: PMC9440904 DOI: 10.1038/s41598-022-18922-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 08/22/2022] [Indexed: 11/09/2022] Open
Abstract
Effect of a range of t-butyl perbenzoates bearing electron-withdrawing and electron-donating substitutions on the phenyl ring and HZSM-5 as a porous additive at 0 °C in enantioselective allylic C-H bond oxidation of cyclic and acyclic olefins in the presence of Cu (I)-(S,aS,S) complexes of biphenyl bisoxazoline ligands, produced easily through the chelation-induced process, were investigated. The enantioenriched allylic esters were obtained in reasonable times with excellent enantioselectivities and yields using electron-withdrawing substituted peresters in the presence of Cu (I)-(S,aS,S)-1a complex, containing phenyl groups at the stereogenic centers of the oxazoline moieties. To reach a better insight on geometry, chemical activity, enantioselectivity, and thermodynamic stability of the Cu (I)-BOX complexes, DFT calculations with B3LYP-D3/6-31G (d, p) level of theory were applied to them. Moreover, NBO analysis was used to illustrate interactions between orbitals.
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5
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Copper-iron mixed oxide supported onto cordierite honeycomb as a heterogeneous catalyst in the Kharasch-Sosnovsky oxidation of cyclohexene. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.10.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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6
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Enantioselective Allylic C-H Bond Oxidation of Olefins Using Copper Complexes of Chiral Oxazoline Based Ligands. Top Curr Chem (Cham) 2022; 380:20. [PMID: 35274165 DOI: 10.1007/s41061-022-00375-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 02/10/2022] [Indexed: 10/18/2022]
Abstract
This review article discusses historical and contemporary research studies of asymmetric allylic oxidation of olefins using homogeneous and heterogeneous copper complexes of various kinds of oxazoline-based ligands, until the end of 2021. It is revealed that this strategy is a powerful method to form a new stereogenic center bearing an oxygen substituent adjacent to an unchanged C=C bond. Enantioselectivities as well as chemical yields, and also the reactivity, are strongly dependent on the type of substrate, oxidant, the copper salt and its oxidation state, ligand structure, temperature, nature of the solvent, and additives such as phenylhydrazine and porous materials.
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7
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Mondal S, Dumur F, Gigmes D, Sibi MP, Bertrand MP, Nechab M. Enantioselective Radical Reactions Using Chiral Catalysts. Chem Rev 2022; 122:5842-5976. [DOI: 10.1021/acs.chemrev.1c00582] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Shovan Mondal
- Department of Chemistry, Syamsundar College, Shyamsundar 713424, West Bengal, India
| | - Frédéric Dumur
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire UMR 7273, F-13390e Marseille, France
| | - Didier Gigmes
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire UMR 7273, F-13390e Marseille, France
| | - Mukund P. Sibi
- Department of Chemistry and Biochemistry North Dakota State University, Fargo, North Dakota 58108, United States
| | - Michèle P. Bertrand
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire UMR 7273, F-13390e Marseille, France
| | - Malek Nechab
- Aix Marseille Univ, CNRS, Institut de Chimie Radicalaire UMR 7273, F-13390e Marseille, France
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8
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Maloney TP, Dohoda AF, Zhu AC, Michael FE. Stereoretentive and Regioselective Selenium-catalyzed Intermolecular Propargylic C-H Amination of Alkynes. Chem Sci 2022; 13:2121-2127. [PMID: 35308840 PMCID: PMC8849008 DOI: 10.1039/d1sc07067c] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Accepted: 01/26/2022] [Indexed: 11/21/2022] Open
Abstract
Herein we report an intermolecular propargylic C–H amination of alkynes. This reaction is operationally convenient and requires no transition metal catalysts or additives. Terminal, silyl, and internal alkynes bearing a wide range of functional groups can be aminated in high yields. The regioselectivity of amination for unsymmetrical internal alkynes is strongly influenced by substitution pattern (tertiary > secondary > primary) and by relatively remote heteroatomic substituents. We demonstrate that amination of alkynes bearing α-stereocenters occurs with retention of configuration at the newly-formed C–N bond. Competition experiments between alkynes, kinetic isotope effects, and DFT calculations are performed to confirm the mechanistic hypothesis that initial ene reaction of a selenium bis(imide) species is the rate- and product-determining step. This ene reaction has a transition state that results in substantial partial positive charge development at the carbon atom closer to the amination position. Inductive and/or hyperconjugative stabilization or destabilization of this positive charge explains the observed regioselectivities. Selenium catalysis enables a general intermolecular propargylic C–H amination of alkynes. The concerted mechanism gives rise to high regioselectivity for the more electron-rich end of the alkyne and retention of the C–H propargylic stereocenter.![]()
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Affiliation(s)
- T Parker Maloney
- University of Washington, Department of Chemistry Box 351700 Seattle Washington 98195-1700 USA
| | - Alexander F Dohoda
- University of Washington, Department of Chemistry Box 351700 Seattle Washington 98195-1700 USA
| | - Alec C Zhu
- University of Washington, Department of Chemistry Box 351700 Seattle Washington 98195-1700 USA
| | - Forrest E Michael
- University of Washington, Department of Chemistry Box 351700 Seattle Washington 98195-1700 USA
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9
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Bagnarelli L, Dolmella A, Santini C, Vallesi R, Giacomantonio R, Gabrielli S, Pellei M. A New Dimeric Copper(II) Complex of Hexyl Bis(pyrazolyl)acetate Ligand as an Efficient Catalyst for Allylic Oxidations. Molecules 2021; 26:molecules26206271. [PMID: 34684852 PMCID: PMC8541649 DOI: 10.3390/molecules26206271] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 10/13/2021] [Accepted: 10/14/2021] [Indexed: 11/21/2022] Open
Abstract
A new dimeric copper(II) bromide complex, [Cu(LOHex)Br(μ-Br)]2 (1), was prepared by a reaction of CuBr2 with the hexyl bis(pyrazol-1-yl)acetate ligand (LOHex) in acetonitrile solution and fully characterized in the solid state and in solution. The crystal structure of 1 was also determined: the complex is interlinked by two bridging bromide ligands and possesses terminal bromide ligands on each copper atom. The two pyrazolyl ligands in 1 coordinate with the nitrogen atoms to complete the Cu coordination sphere, resulting in a five-coordinated geometry—away from idealized trigonal bipyramidal and square pyramidal geometries—which can better be described as distorted square pyramidal, as measured by the τ and χ structural parameters. The pendant hexyloxy chain is disordered over two arrangements, with final site occupancies refined to 0.705 and 0.295. The newly synthesized complex was evaluated as a catalyst in copper-catalyzed C–H oxidation for allylic functionalization through a Kharasch–Sosnovsky reaction without any external reducing agent. Using 0.5 mol% of this catalyst, and tert-butyl peroxybenzoate (Luperox) as an oxidant, allylic benzoates were obtained with up to 90% yield. The general reaction time was only slightly decreased to 24 h but a very significant decrease in the alkene:Luperox ratio to 3:1 was achieved. These factors show relevant improvements with respect to classical Kharasch–Sosnovsky reactions in terms of rate and amount of reagents. The present study highlights the potential of copper(II) complexes containing functionalized bis(pyrazol-1-yl)acetate ligands as efficient catalysts for allylic oxidations.
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Affiliation(s)
- Luca Bagnarelli
- Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy; (L.B.); (C.S.); (R.V.); (R.G.)
| | - Alessandro Dolmella
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo 5, 35131 Padova, Italy;
| | - Carlo Santini
- Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy; (L.B.); (C.S.); (R.V.); (R.G.)
| | - Riccardo Vallesi
- Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy; (L.B.); (C.S.); (R.V.); (R.G.)
| | - Roberto Giacomantonio
- Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy; (L.B.); (C.S.); (R.V.); (R.G.)
| | - Serena Gabrielli
- Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy; (L.B.); (C.S.); (R.V.); (R.G.)
- Correspondence: (S.G.); (M.P.); Tel.: +39-0737-402219 (S.G.); +39-0737-402213 (M.P.)
| | - Maura Pellei
- Chemistry Division, School of Science and Technology, University of Camerino, Via S. Agostino 1, 62032 Camerino, Italy; (L.B.); (C.S.); (R.V.); (R.G.)
- Correspondence: (S.G.); (M.P.); Tel.: +39-0737-402219 (S.G.); +39-0737-402213 (M.P.)
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10
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Liu TL, Jhou ML, Hsieh CE, Lin CJ, Su HH, Chou CM. Palladium-Catalyzed Intramolecular Allylic Amidation via Decarboxylative Aromatization: Synthesis of N-Allyl- N-aryl Sulfonamides. J Org Chem 2021; 86:9084-9095. [PMID: 34115505 DOI: 10.1021/acs.joc.1c01065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A protocol in the preparation of functionalized N-allyl-N-aryl sulfonamides via palladium-catalyzed intramolecular decarboxylative N-allylation reaction is presented. The alkylated 2,5-cyclohexadienyl ketoesters reacted with arylsulfonamides in the presence of titanium tetrachloride and pyridine, which allows the formation of alkylated 2,5-cyclohexadienyl sulfonyl iminoesters which then undergo a palladium-catalyzed intramolecular allylic amidation through decarboxylative aromatization to provide functionalized N-allyl-N-aryl sulfonamides. This allylation protocol proceeds with good regioselectivity. Moreover, we have also shown that N-allyl-N-aryl sulfonamide can be transformed into 4-aryl-1,2,3,4-tetrahydroquinoline and nitrogen-containing β-hydroxysulfide bioactives.
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Affiliation(s)
- Tzu-Lun Liu
- Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 Kaohsiung, Taiwan
| | - Meng-Li Jhou
- Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 Kaohsiung, Taiwan
| | - Cheng-En Hsieh
- Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 Kaohsiung, Taiwan
| | - Chia-Jung Lin
- Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 Kaohsiung, Taiwan
| | - Hsiu-Hui Su
- Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 Kaohsiung, Taiwan
| | - Chih-Ming Chou
- Department of Applied Chemistry, National University of Kaohsiung, 700, Kaohsiung University Road, Nanzih District, 81148 Kaohsiung, Taiwan
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11
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Zheng Y, Huang Y, Gao P, Liu H, Murakami S, Matsubara R, Hayashi M. Regiodivergent Desymmetrization Reaction of meso-Azabicycloheptene Providing Two Enantioenriched Structural Isomers. Org Lett 2021; 23:2411-2414. [PMID: 33752327 DOI: 10.1021/acs.orglett.1c00036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel catalytic asymmetric reaction is reported where the regiodivergent desymmetrisation of meso-azabicycloheptene via allylic oxidation using a single chiral copper catalyst produced two different, enantioenriched structural isomers in high optical purity starting from a single compound. The enantioselectivity of the two structurally isomeric compounds was enriched to >99.5% ee after derivatization.
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Affiliation(s)
- Yuxin Zheng
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
| | - Yanze Huang
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
| | - Peng Gao
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
| | - Hongyan Liu
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
| | - Suguru Murakami
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
| | - Ryosuke Matsubara
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
| | - Masahiko Hayashi
- Department of Chemistry, Graduate School of Science, Kobe University, Nada, Kobe, 657-8501, Japan
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12
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Teh WP, Obenschain DC, Black BM, Michael FE. Catalytic Metal-free Allylic C-H Amination of Terpenoids. J Am Chem Soc 2020; 142:16716-16722. [PMID: 32909748 DOI: 10.1021/jacs.0c06997] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The selective replacement of C-H bonds in complex molecules, especially natural products like terpenoids, is a highly efficient way to introduce new functionality and/or couple fragments. Here, we report the development of a new metal-free allylic amination of alkenes that allows the introduction of a wide range of nitrogen functionality at the allylic position of alkenes with unique regioselectivity and no allylic transposition. This reaction employs catalytic amounts of selenium in the form of phosphine selenides or selenoureas. Simple sulfonamides and sulfamates can be used directly in the reaction without the need to prepare isolated nitrenoid precursors. We demonstrate the utility of this transformation by aminating a large set of terpenoids in high yield and regioselectivity.
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Affiliation(s)
- Wei Pin Teh
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700, United States
| | - Derek C Obenschain
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700, United States
| | - Blaise M Black
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700, United States
| | - Forrest E Michael
- Department of Chemistry, University of Washington, Box 351700, Seattle, Washington 98195-1700, United States
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13
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Tanaka S, Ramachandran G, Hori Y, Kitamura M. Bisamidine–Cu(I)-catalyzed C-Allylation of 1,3-Dicarbonyl Compounds with Simple Cyclic Alkenes Using Di-tert-butyl Peroxide. CHEM LETT 2018. [DOI: 10.1246/cl.180741] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Shinji Tanaka
- Graduate School of Pharmaceutical Sciences and Research Center for Materials Science, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Gunasekar Ramachandran
- Graduate School of Pharmaceutical Sciences and Research Center for Materials Science, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Yohei Hori
- Graduate School of Pharmaceutical Sciences and Research Center for Materials Science, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan
| | - Masato Kitamura
- Graduate School of Pharmaceutical Sciences and Research Center for Materials Science, Nagoya University, Chikusa, Nagoya, Aichi 464-8601, Japan
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14
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Okamura Y, Sato D, Yoshimura A, Zhdankin VV, Saito A. Iodine(III)‐Mediated/Catalyzed Cycloisomerization–Amination Sequence of
N
‐Propargyl Carboxamides. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700587] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yuki Okamura
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Daisuke Sato
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
| | - Akira Yoshimura
- Department of Chemistry and Biochemistry University of Minnesota Duluth Duluth, MN 55812 United States
- The Tomsk Polytechnic University Tomsk 634050 Russia
| | - Viktor V. Zhdankin
- Department of Chemistry and Biochemistry University of Minnesota Duluth Duluth, MN 55812 United States
| | - Akio Saito
- Division of Applied Chemistry Institute of Engineering Tokyo University of Agriculture and Technology Koganei Tokyo 184-8588 Japan
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15
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Sakamoto R, Inada T, Selvakumar S, Moteki SA, Maruoka K. Efficient photolytic C-H bond functionalization of alkylbenzene with hypervalent iodine(iii) reagent. Chem Commun (Camb) 2016; 52:3758-61. [PMID: 26686276 DOI: 10.1039/c5cc07647a] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A practical approach to radical C-H bond functionalization by the photolysis of a hypervalent iodine(iii) reagent is presented. The photolysis of [bis(trifluoroacetoxy)iodo]benzene (PIFA) leads to the generation of trifluoroacetoxy radicals, which allows the smooth transformation of various alkylbenzenes to the corresponding benzyl ester compounds under mild reaction conditions.
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Affiliation(s)
- Ryu Sakamoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
| | - Tsubasa Inada
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
| | - Sermadurai Selvakumar
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
| | - Shin A Moteki
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
| | - Keiji Maruoka
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan.
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16
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Jang ES, McMullin CL, Käß M, Meyer K, Cundari TR, Warren TH. Copper(II) Anilides in sp3 C-H Amination. J Am Chem Soc 2014; 136:10930-40. [DOI: 10.1021/ja5026547] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Eun Sil Jang
- Department
of Chemistry, Georgetown University, Box 571227-1227, Washington, D.C. 20057, United States
- Department
of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
| | - Claire L. McMullin
- Department
of Chemistry, Center for Advanced Scientific Computing and Modeling
(CASCaM), University of North Texas, Denton, Texas 76203, United States
| | - Martina Käß
- Department
of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Egerlandstrasse
1, 91058 Erlangen, Germany
| | - Karsten Meyer
- Department
of Chemistry and Pharmacy, Friedrich-Alexander-University Erlangen-Nuremberg, Egerlandstrasse
1, 91058 Erlangen, Germany
| | - Thomas R. Cundari
- Department
of Chemistry, Center for Advanced Scientific Computing and Modeling
(CASCaM), University of North Texas, Denton, Texas 76203, United States
| | - Timothy H. Warren
- Department
of Chemistry, Georgetown University, Box 571227-1227, Washington, D.C. 20057, United States
- Department
of Chemistry, Purdue University, 560 Oval Drive, West Lafayette, Indiana 47907, United States
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17
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Tran BL, Li B, Driess M, Hartwig JF. Copper-catalyzed intermolecular amidation and imidation of unactivated alkanes. J Am Chem Soc 2014; 136:2555-63. [PMID: 24405209 PMCID: PMC3985719 DOI: 10.1021/ja411912p] [Citation(s) in RCA: 198] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Indexed: 12/15/2022]
Abstract
We report a set of rare copper-catalyzed reactions of alkanes with simple amides, sulfonamides, and imides (i.e., benzamides, tosylamides, carbamates, and phthalimide) to form the corresponding N-alkyl products. The reactions lead to functionalization at secondary C-H bonds over tertiary C-H bonds and even occur at primary C-H bonds. [(phen)Cu(phth)] (1-phth) and [(phen)Cu(phth)2] (1-phth2), which are potential intermediates in the reaction, have been isolated and fully characterized. The stoichiometric reactions of 1-phth and 1-phth2 with alkanes, alkyl radicals, and radical probes were investigated to elucidate the mechanism of the amidation. The catalytic and stoichiometric reactions require both copper and tBuOOtBu for the generation of N-alkyl product. Neither 1-phth nor 1-phth2 reacted with excess cyclohexane at 100 °C without tBuOOtBu. However, the reactions of 1-phth and 1-phth2 with tBuOOtBu afforded N-cyclohexylphthalimide (Cy-phth), N-methylphthalimide, and tert-butoxycyclohexane (Cy-OtBu) in approximate ratios of 70:20:30, respectively. Reactions with radical traps support the intermediacy of a tert-butoxy radical, which forms an alkyl radical intermediate. The intermediacy of an alkyl radical was evidenced by the catalytic reaction of cyclohexane with benzamide in the presence of CBr4, which formed exclusively bromocyclohexane. Furthermore, stoichiometric reactions of [(phen)Cu(phth)2] with tBuOOtBu and (Ph(Me)2CO)2 at 100 °C without cyclohexane afforded N-methylphthalimide (Me-phth) from β-Me scission of the alkoxy radicals to form a methyl radical. Separate reactions of cyclohexane and d12-cyclohexane with benzamide showed that the turnover-limiting step in the catalytic reaction is the C-H cleavage of cyclohexane by a tert-butoxy radical. These mechanistic data imply that the tert-butoxy radical reacts with the C-H bonds of alkanes, and the subsequent alkyl radical combines with 1-phth2 to form the corresponding N-alkyl imide product.
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Affiliation(s)
- Ba L. Tran
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Department
of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Strasse des 17. Juni 135, Sekr. C2, 10623 Berlin, Germany
| | - Bijie Li
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
- Department
of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Strasse des 17. Juni 135, Sekr. C2, 10623 Berlin, Germany
| | - Matthias Driess
- Department
of Chemistry: Metalorganics and Inorganic Materials, Technische Universität Berlin, Strasse des 17. Juni 135, Sekr. C2, 10623 Berlin, Germany
| | - John F. Hartwig
- Department
of Chemistry, University of California, Berkeley, California 94720, United States
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Wei Y, Liang F, Zhang X. N-Bromoimide/DBU Combination as a New Strategy for Intermolecular Allylic Amination. Org Lett 2013; 15:5186-9. [DOI: 10.1021/ol402287n] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Ying Wei
- Department of Chemistry and Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Fushun Liang
- Department of Chemistry and Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
| | - Xintong Zhang
- Department of Chemistry and Key Laboratory for UV-Emitting Materials and Technology of Ministry of Education, Northeast Normal University, Changchun 130024, China
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Affiliation(s)
- Raymond T. Gephart
- Department of Chemistry, Georgetown University, Box 571227-1227,
Washington, D.C. 20057, United States
| | - Timothy H. Warren
- Department of Chemistry, Georgetown University, Box 571227-1227,
Washington, D.C. 20057, United States
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Gephart RT, McMullin CL, Sapiezynski NG, Jang ES, Aguila MJB, Cundari TR, Warren TH. Reaction of CuI with Dialkyl Peroxides: CuII-Alkoxides, Alkoxy Radicals, and Catalytic C–H Etherification. J Am Chem Soc 2012; 134:17350-3. [DOI: 10.1021/ja3053688] [Citation(s) in RCA: 129] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Raymond T. Gephart
- Department of Chemistry, Georgetown University, Box 571227-1227, Washington,
D.C. 20057, United States
| | - Claire L. McMullin
- Department of Chemistry, Center
for Advanced Scientific Computing and Modeling (CASCaM), University of North Texas, Denton, Texas 78203, United
States
| | - Nicholas G. Sapiezynski
- Department of Chemistry, Georgetown University, Box 571227-1227, Washington,
D.C. 20057, United States
| | - Eun Sil Jang
- Department of Chemistry, Georgetown University, Box 571227-1227, Washington,
D.C. 20057, United States
| | - Mae Joanne B. Aguila
- Department of Chemistry, Georgetown University, Box 571227-1227, Washington,
D.C. 20057, United States
| | - Thomas R. Cundari
- Department of Chemistry, Center
for Advanced Scientific Computing and Modeling (CASCaM), University of North Texas, Denton, Texas 78203, United
States
| | - Timothy H. Warren
- Department of Chemistry, Georgetown University, Box 571227-1227, Washington,
D.C. 20057, United States
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Zhang Y, Feng B, Zhu C. Au(iii)-catalyzed intermolecular amidation of benzylic C–H bonds. Org Biomol Chem 2012; 10:9137-41. [DOI: 10.1039/c2ob26857d] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Giner X, Nájera C, Kovács G, Lledós A, Ujaque G. GoldversusSilver-Catalyzed Intermolecular Hydroaminations of Alkenes and Dienes. Adv Synth Catal 2011. [DOI: 10.1002/adsc.201100478] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Ramirez TA, Zhao B, Shi Y. Recent advances in transition metal-catalyzed sp3 C-H amination adjacent to double bonds and carbonyl groups. Chem Soc Rev 2011; 41:931-42. [PMID: 21842094 DOI: 10.1039/c1cs15104e] [Citation(s) in RCA: 396] [Impact Index Per Article: 30.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Transition metal-catalyzed C-H amination at positions adjacent to double bonds and carbonyl groups is discussed in this critical review. While the focus will center on the recent developments of α-oxidative amination, some historical developments and mutually beneficial reports in the broader field of C-H amination will be discussed. C-H amination has become a viable method for the efficient installation of nitrogen atoms en route to target molecules (89 references).
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Affiliation(s)
- Thomas A Ramirez
- Department of Chemistry, Colorado State University, Fort Collins, CO 80523, USA
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Srivastava RS, Bertrand R, Gallo AA, Nicholas KM. Cu(I)/Cu(II)-catalyzed allylic amination of alkenes. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.04.119] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Wiese S, Badiei YM, Gephart RT, Mossin S, Varonka MS, Melzer MM, Meyer K, Cundari TR, Warren TH. Catalytic CH Amination with Unactivated Amines through Copper(II) Amides. Angew Chem Int Ed Engl 2010. [DOI: 10.1002/ange.201003676] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Wiese S, Badiei YM, Gephart RT, Mossin S, Varonka MS, Melzer MM, Meyer K, Cundari TR, Warren TH. Catalytic CH Amination with Unactivated Amines through Copper(II) Amides. Angew Chem Int Ed Engl 2010; 49:8850-5. [DOI: 10.1002/anie.201003676] [Citation(s) in RCA: 141] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Powell DA, Fan H. Copper-catalyzed amination of primary benzylic C-H bonds with primary and secondary sulfonamides. J Org Chem 2010; 75:2726-9. [PMID: 20297848 DOI: 10.1021/jo100197r] [Citation(s) in RCA: 105] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A room-temperature, copper-catalyzed amination of primary benzylic C-H bonds with primary and secondary sulfonamides is described. The reaction is applicable to the coupling of a range of primary and secondary benzylic hydrocarbons with a diverse set of sulfonamides and is tolerant of substitution on both coupling partners. Factors which influence the selectivity of C-H functionalization between primary and secondary sites are examined.
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Affiliation(s)
- David A Powell
- Merck Frosst Centre for Therapeutic Research, 16711 Trans Canada Highway, Kirkland, Quebec H9H 3L1, Canada.
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Mayoral J, Rodríguez-Rodríguez S, Salvatella L. Theoretical Insights into Enantioselective Catalysis: The Mechanism of the Kharasch-Sosnovsky Reaction. Chemistry 2008; 14:9274-85. [DOI: 10.1002/chem.200800638] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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