1
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Beg MZ, Singh PK, Singh PP, Srivastava M, Srivastava V. Metal-free visible light mediated direct C-H amination of benzoxazole with secondary amines. Mol Divers 2024; 28:61-71. [PMID: 36609739 DOI: 10.1007/s11030-022-10595-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Accepted: 12/26/2022] [Indexed: 01/09/2023]
Abstract
An efficient visible light mediated, eosin Y catalyzed direct C-H oxidative amination of benzoxazoles with secondary amines has been developed, which providing a straightforward, green, and environmentally benign access to a wide variety of substituted benzoxazole-2-amines under mild reaction conditions. The biological studies such as drug-likeness and molecular docking are also carried out on the molecule.
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Affiliation(s)
- Mohd Zaheeruddin Beg
- Department of Chemistry, CMP Degree College, University of Allahabad, Prayagraj, 211002, India
| | - Pravin K Singh
- Department of Chemistry, CMP Degree College, University of Allahabad, Prayagraj, 211002, India
| | - Praveen P Singh
- Department of Chemistry, United College of Engineering & Research, Naini, Prayagraj, 211010, India
| | - Manish Srivastava
- Department of Chemistry, University of Allahabad, Prayagraj, 211002, India
| | - Vishal Srivastava
- Department of Chemistry, CMP Degree College, University of Allahabad, Prayagraj, 211002, India.
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2
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Bandyopadhyay M, Bhadra S, Pathak S, Menon AM, Chopra D, Patra S, Escorihuela J, De S, Ganguly D, Bhadra S, Bera MK. An Atom-Economic Method for 1,2,3-Triazole Derivatives via Oxidative [3 + 2] Cycloaddition Harnessing the Power of Electrochemical Oxidation and Click Chemistry. J Org Chem 2023; 88:15772-15782. [PMID: 37924324 DOI: 10.1021/acs.joc.3c01836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2023]
Abstract
An electrochemical method was developed to accomplish the reagentless synthesis of 4,5-disubstituted triazole derivatives employing secondary propargyl alcohol as C-3 synthon and sodium azide as cycloaddition counterpart. The reaction was conducted at room temperature in an undivided cell with a constant current using a pencil graphite (C) anode and stainless-steel cathode in a MeCN solvent system. The proposed reaction mechanism was convincingly established by carrying out a series of control experiments and further supported by electrochemical and density functional theory (DFT) studies.
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Affiliation(s)
- Manas Bandyopadhyay
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, P.O. Botanic Garden, Howrah 711103, West Bengal, India
| | - Sayan Bhadra
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, P.O. Botanic Garden, Howrah 711103, West Bengal, India
| | - Swastik Pathak
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, P.O. Botanic Garden, Howrah 711103, West Bengal, India
| | - Anila M Menon
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh India
| | - Deepak Chopra
- Department of Chemistry, IISER Bhopal, Bhopal Bypass Road, Bhopal 462066, Madhya Pradesh India
| | - Snehangshu Patra
- Sustainable Hydrogen for Valuable Applications (SHYVA), 23 Allee Gilbert Becaud, 34470 Perols, France
| | - Jorge Escorihuela
- Departamento de Química Orgánica, Universitat de València, Avda. Vicente Andrés Estellés s/n, Burjassot, 46100 Valencia, Spain
| | - Souradeep De
- School of Advanced Materials, Green Energy and Sensor Systems, Indian Institute of Engineering Science and Technology (IIEST), P.O. Botanic Garden, Howrah 711103, West Bengal, India
| | - Debabani Ganguly
- Centre for Health Science and Technology (CHeST), JIS Institute of Advanced Studies and Research Kolkata, Saltlake, Kolkata 700091, West Bengal, India
| | - Suman Bhadra
- Centre for Health Science and Technology (CHeST), JIS Institute of Advanced Studies and Research Kolkata, Saltlake, Kolkata 700091, West Bengal, India
| | - Mrinal K Bera
- Department of Chemistry, Indian Institute of Engineering Science and Technology (IIEST), Shibpur, P.O. Botanic Garden, Howrah 711103, West Bengal, India
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3
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Hatch CE, Chain WJ. Electrochemically Enabled Total Syntheses of Natural Products. ChemElectroChem 2023; 10:e202300140. [PMID: 38106361 PMCID: PMC10723087 DOI: 10.1002/celc.202300140] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Indexed: 12/19/2023]
Abstract
Electrochemical techniques have helped to enable the total synthesis of natural products since the pioneering work of Kolbe in the mid 1800's. The electrochemical toolset grows every day and these new possibilities change the way chemists look at and think about natural products. This review provides a perspective on total syntheses wherein electrochemical techniques enabled the carbon─carbon bond formations in the skeletal assembly of important natural products, discussion of mechanistic details, and representative examples of the bond formations enabled over the last several decades. These bond formations are often distinctly different from those possible with conventional chemistries and allow assemblies complementary to other techniques.
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Affiliation(s)
- Chad E Hatch
- Chemical Biology, Memorial Sloan Kettering Cancer Center, 417 E. 68 St., New York, NY, 10065 (United States)
| | - William J Chain
- Department of Chemistry & Biochemistry, University of Delaware, 163 The Green, Newark, DE, 19716 (United States)
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4
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Sharma S, Shaheeda S, Shaw K, Bisai A, Paul A. Two-Electron- and One-Electron-Transfer Pathways for TEMPO-Catalyzed Greener Electrochemical Dimerization of 3-Substituted-2-Oxindoles. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- Sulekha Sharma
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal, Madhya Pradesh 462 066, India
| | - Saina Shaheeda
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal, Madhya Pradesh 462 066, India
| | - Kundan Shaw
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal, Madhya Pradesh 462 066, India
| | - Alakesh Bisai
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal, Madhya Pradesh 462 066, India
- Department of Chemical Sciences, Indian Institute of Science Education and Research (IISER) Kolkata, Mohanpur, Nadia, West Bengal 741 246, India
| | - Amit Paul
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Bhopal, Madhya Pradesh 462 066, India
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5
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Karmakar P, Karmakar I, Pal D, Das S, Brahmachari G. Electrochemical Regioselective C( sp2)-H Selenylation and Sulfenylation of Substituted 2-Amino-1,4-naphthoquinones. J Org Chem 2023; 88:1049-1060. [PMID: 36599149 DOI: 10.1021/acs.joc.2c02486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A straightforward and efficient electrochemical method for regioselective C(sp2)-H selenylation and sulfenylation of substituted 2-amino-1,4-naphthoquinones has been unearthed. This oxidative cross-coupling reaction avoids using transition metal catalysts, oxidants, and high temperatures. The other notable advantages of this protocol are the tolerance of diverse functional groups, mild reaction conditions at ambient temperature, energy efficiency, good to excellent yields, short reaction times (in minutes), gram-scale applicability, and eco-friendliness.
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Affiliation(s)
- Pintu Karmakar
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Indrajit Karmakar
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Debopam Pal
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Suravi Das
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
| | - Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan 731 235, West Bengal, India
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6
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Li YN, Wang B, Huang YK, Hu JS, Sun JN. Recent advances in metal catalyst- and oxidant-free electrochemical C-H bond functionalization of nitrogen-containing heterocycles. Front Chem 2022; 10:967501. [PMID: 36059873 PMCID: PMC9437222 DOI: 10.3389/fchem.2022.967501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 07/12/2022] [Indexed: 12/04/2022] Open
Abstract
The C-H functionalization of nitrogen-containing heterocycles has emerged as a powerful strategy for the construction of carbon-carbon (C-C) and carbon-heteroatom (C-X) bonds. In order to achieve efficient and selective C-H functionalization, electrochemical synthesis has attracted increasing attention. Because electrochemical anodic oxidation is ideal for replacing chemical reagents in C-H functionalization reactions. This mini-review summarizes the current knowledge and recent advances since 2017 in the synthetic utility of electrochemical transformations for the C-H functionalization of nitrogen-containing heterocycles.
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Affiliation(s)
- Ya-Nan Li
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, China
- *Correspondence: Ya-Nan Li, ; Jia-Nan Sun,
| | - Bin Wang
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, China
| | - Ye-Kai Huang
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, China
| | - Jin-Song Hu
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, China
| | - Jia-Nan Sun
- School of Biomedical Engineering, Research and Engineering Center of Biomedical Materials, Anhui Medical University, Hefei, China
- *Correspondence: Ya-Nan Li, ; Jia-Nan Sun,
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7
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Ravindar L, Hasbullah SA, Hassan NI, Qin HL. Cross‐Coupling of C‐H and N‐H Bonds: a Hydrogen Evolution Strategy for the Construction of C‐N Bonds. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lekkala Ravindar
- Universiti Kebangsaan Malaysia Fakulti Teknologi dan Sains Maklumat Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Siti Aishah Hasbullah
- Universiti Kebangsaan Malaysia Fakulti Sains dan Teknologi Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Nurul Izzaty Hassan
- Universiti Kebangsaan Malaysia Fakulti Sains dan Teknologi Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Hua-Li Qin
- Wuhan University of Technology School of Chemistry 430070 Hubei CHINA
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8
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Wang J, Tu C, Feng ML, Li N. TEMPO/PhI(OAc) 2-Mediated Direct Sulfoximination of Benzoxazoles under Metal-Free Conditions. CHEM LETT 2022. [DOI: 10.1246/cl.220177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Jian Wang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of pharmacy, Chengdu University, Chengdu, 610106, P. R. China
| | - Changqing Tu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of pharmacy, Chengdu University, Chengdu, 610106, P. R. China
| | - Mei-Lin Feng
- Key Laboratory of Coarse Cereal Processing of Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu 610106, China
| | - Nan Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of pharmacy, Chengdu University, Chengdu, 610106, P. R. China
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9
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Ibrahim K, Saranya PV, Anilkumar G. Recent Advances and Prospects in the Amination of Benzoxazoles. ChemistrySelect 2022. [DOI: 10.1002/slct.202200601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Kaliyathodi Ibrahim
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
| | - Padinjare Veetil Saranya
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
| | - Gopinathan Anilkumar
- School of Chemical Sciences Mahatma Gandhi University Priyadarsini Hills P O Kottayam Kerala INDIA 686560
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10
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Zhao J, Yuan H, Chen R, Chen H, Zhang Y. Electrochemical Catalytic Hydrocarbonylation of Arylacetylenes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Jiaoyan Zhao
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 Jiangsu P. R. China
| | - Hongyan Yuan
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 Jiangsu P. R. China
| | - Ruonan Chen
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 Jiangsu P. R. China
| | - Hongyu Chen
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 Jiangsu P. R. China
| | - Yanhua Zhang
- Institute of Advanced Synthesis School of Chemistry and Molecular Engineering Nanjing Tech University Nanjing 211816 Jiangsu P. R. China
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11
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Bugaenko DI, Karchava AV, Yurovskaya MA. Transition metal-free cross-coupling reactions with the formation of carbon-heteroatom bonds. RUSSIAN CHEMICAL REVIEWS 2022. [DOI: 10.1070/rcr5022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Zhou N, Zhao J, Sun C, Lai Y, Ruan Z, Feng P. Electro-Oxidative C-N Bond Formation through Azolation of Indole Derivatives: An Access to 3-Substituent-2-(Azol-1-yl)indoles. J Org Chem 2021; 86:16059-16067. [PMID: 34520191 DOI: 10.1021/acs.joc.1c01271] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A practical protocol to synthesize 3-substituent-2-(azol-1-yl)indole derivatives has been developed via an electrochemical oxidative cross coupling process under mild conditions. This electro-oxidative C-N bond formation strategy tolerates a range of functional groups and is amenable to gram scale synthesis. Moreover, this method was applied to the late-stage functionalization of bioactive molecules.
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Affiliation(s)
- Naifu Zhou
- Department of Chemistry and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou 510632, China
| | - Junhao Zhao
- Department of Chemistry and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou 510632, China
| | - Chengbo Sun
- Department of Chemistry and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou 510632, China
| | - Yuqin Lai
- Department of Chemistry and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou 510632, China
| | - Zhixiong Ruan
- Key Laboratory of Molecular Target & Clinical Pharmacology and the State Key Laboratory of Respiratory Disease, School of Pharmaceutical Science, and the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou 511436, China
| | - Pengju Feng
- Department of Chemistry and Guangdong Provincial Key Laboratory of Functional Supramolecular Coordination Materials and Applications, Jinan University, Guangzhou 510632, China
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13
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Novaes LFT, Liu J, Shen Y, Lu L, Meinhardt JM, Lin S. Electrocatalysis as an enabling technology for organic synthesis. Chem Soc Rev 2021; 50:7941-8002. [PMID: 34060564 PMCID: PMC8294342 DOI: 10.1039/d1cs00223f] [Citation(s) in RCA: 355] [Impact Index Per Article: 118.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Electrochemistry has recently gained increased attention as a versatile strategy for achieving challenging transformations at the forefront of synthetic organic chemistry. Electrochemistry's unique ability to generate highly reactive radical and radical ion intermediates in a controlled fashion under mild conditions has inspired the development of a number of new electrochemical methodologies for the preparation of valuable chemical motifs. Particularly, recent developments in electrosynthesis have featured an increased use of redox-active electrocatalysts to further enhance control over the selective formation and downstream reactivity of these reactive intermediates. Furthermore, electrocatalytic mediators enable synthetic transformations to proceed in a manner that is mechanistically distinct from purely chemical methods, allowing for the subversion of kinetic and thermodynamic obstacles encountered in conventional organic synthesis. This review highlights key innovations within the past decade in the area of synthetic electrocatalysis, with emphasis on the mechanisms and catalyst design principles underpinning these advancements. A host of oxidative and reductive electrocatalytic methodologies are discussed and are grouped according to the classification of the synthetic transformation and the nature of the electrocatalyst.
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Affiliation(s)
- Luiz F T Novaes
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY 14853, USA.
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14
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Puthanveedu M, Khamraev V, Brieger L, Strohmann C, Antonchick AP. Electrochemical Dehydrogenative C(sp 2 )-H Amination. Chemistry 2021; 27:8008-8012. [PMID: 33931904 PMCID: PMC8251997 DOI: 10.1002/chem.202100960] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Indexed: 02/06/2023]
Abstract
A transition-metal-free direct electrolytic C-H amination involving an electrochemically generated nitrenium ion intermediate has been developed. The electrosynthesis takes place in the absence of any organoiodine catalysts and is enabled by an in situ generated electrolyte. A novel, efficient intramolecular and intermolecular C-H amination has been demonstrated using a simple reaction setup.
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Affiliation(s)
- Mahesh Puthanveedu
- Max-Planck-Institut für Molekulare PhysiologieAbteilung Chemische BiologieOtto-Hahn-Straße 1144227DortmundGermany
- Technische Universität DortmundFakultät für Chemie und Chemische BiologieChemische BiologieOtto-Hahn-Straße 4a44221DortmundGermany
| | - Vladislav Khamraev
- Technische Universität DortmundFakultät für Chemie und Chemische BiologieChemische BiologieOtto-Hahn-Straße 4a44221DortmundGermany
- North Caucasus Federal UniversityDepartment of Chemistry1a Pushkin St.355009StavropolRussian Federation
- Present address: D. I. Mendeleev University of Chemical Technology of Russia9 Miusskaya Square, 125047MoscowRussian Federation
| | - Lukas Brieger
- Technische Universität DortmundFakultät für Chemie und Chemische BiologieAnorganische ChemieOtto-Hahn-Straße 644227DortmundGermany
| | - Carsten Strohmann
- Technische Universität DortmundFakultät für Chemie und Chemische BiologieAnorganische ChemieOtto-Hahn-Straße 644227DortmundGermany
| | - Andrey P. Antonchick
- Max-Planck-Institut für Molekulare PhysiologieAbteilung Chemische BiologieOtto-Hahn-Straße 1144227DortmundGermany
- Technische Universität DortmundFakultät für Chemie und Chemische BiologieChemische BiologieOtto-Hahn-Straße 4a44221DortmundGermany
- Nottingham Trent UniversityCollege of Science and TechnologyDepartment of Chemistry and ForensicsClifton LaneNG11 8NSNottinghamUK
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15
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Tang HT, Jia JS, Pan YM. Halogen-mediated electrochemical organic synthesis. Org Biomol Chem 2021; 18:5315-5333. [PMID: 32638806 DOI: 10.1039/d0ob01008a] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
In general, halogenide anions are anodically oxidized into active species, which can be elemental halogen, halogen cations, or halogen radicals. These species subsequently react with substrates, such as olefins, ketones, or amines, to generate halogenated products. We review the mechanisms of these reactions.
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Affiliation(s)
- Hai-Tao Tang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences of Guangxi Normal University, Guilin, 541004, People's Republic of China.
| | - Jun-Song Jia
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences of Guangxi Normal University, Guilin, 541004, People's Republic of China.
| | - Ying-Ming Pan
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmaceutical Sciences of Guangxi Normal University, Guilin, 541004, People's Republic of China.
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16
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Ghoshal T, Patel TM, Kotturi S. A facile electrochemical synthesis of suvorexant. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.153014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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17
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Lian F, Xu K, Zeng C. Indirect Electrosynthesis with Halogen Ions as Mediators. CHEM REC 2021; 21:2290-2305. [PMID: 33728812 DOI: 10.1002/tcr.202100036] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/04/2021] [Accepted: 03/05/2021] [Indexed: 12/26/2022]
Abstract
Organic electrosynthesis has gained increasing research interest as it harvests electric current as redox regents, thereby providing a sustainable alternative to conventional approaches. Compared with direct electrosynthesis, indirect electrosynthesis employs mediator(s) to lower the overpotentials for substrate activation, and enhance the reaction efficiency and functional group compatibility by shifting the heterogenous electron transfer process to be homogenous. As one of the most versatile and cost-efficient mediators, halogen mediators are always combined with an irreversible halogenation reaction. Thus, the electrochemical reaction between halogen mediators and substrates doesn't directly controlled by the two standard potentials difference. In this account, our recent developments in the area of halogen-mediated indirect electrosynthesis are summarized. The anodically generated halogen species from halogenide salts have the abilities to undergo electron-transfer (ET) or hydrogen-atom- transfer (HAT) processes. The reaction features, scopes, limitations, and mechanistic rationalisations are discussed in this account. We hope our studies will contribute to the future developments to broaden the scope of halogen-mediated electrosynthesis.
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Affiliation(s)
- Fei Lian
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, China
| | - Kun Xu
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, China
| | - Chengchu Zeng
- Faculty of Environment and Life, Beijing University of Technology, Beijing, 100124, China
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18
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Dagar N, Sen PP, Roy SR. Electrifying Sustainability on Transition Metal-Free Modes: An Eco-Friendly Approach for the Formation of C-N Bonds. CHEMSUSCHEM 2021; 14:1229-1257. [PMID: 33373494 DOI: 10.1002/cssc.202002567] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 12/28/2020] [Indexed: 06/12/2023]
Abstract
Embracing sustainable green methodologies and techniques in chemical transformations has always been in the limelight to the synthetic community. Electrosynthesis has emerged as a powerful, sustainable synthetic tool for molecular synthesis exploiting inexpensive electricity in place of sacrificial chemical oxidizing/reducing reagents. Herein, recent advances in the incorporation of transition metal-free redox mediators in electrosynthesis for the construction of C-N bonds are outlined. Furthermore, conjugation of this strategy with flow catalysis allows easy scale up of the synthesis of molecular assembly. This comprehensive Review provides an overview of metal-free mediated electro-construction of C-N bonds, focusing on the reaction mechanisms involved and its synthetic applications.
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Affiliation(s)
- Neha Dagar
- Department of Chemistry, Indian Institute of Technology Delhi, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Partha Pratim Sen
- Department of Chemistry, Indian Institute of Technology Delhi, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
| | - Sudipta Raha Roy
- Department of Chemistry, Indian Institute of Technology Delhi, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, 110016, India
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19
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Chen N, Xu HC. Electrochemical generation of nitrogen-centered radicals for organic synthesis. GREEN SYNTHESIS AND CATALYSIS 2021. [DOI: 10.1016/j.gresc.2021.03.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
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20
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Scheide MR, Nicoleti CR, Martins GM, Braga AL. Electrohalogenation of organic compounds. Org Biomol Chem 2021; 19:2578-2602. [DOI: 10.1039/d0ob02459g] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this review we target sp, sp2 and sp3 carbon fluorination, chlorination, bromination and iodination reactions using electrolysis as a redox medium. Mechanistic insights and substrate reactivity are also discussed.
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Affiliation(s)
- Marcos R. Scheide
- Departamento de Química
- Universidade Federal de Santa Catarina – UFSC
- Florianópolis
- Brazil
| | - Celso R. Nicoleti
- Departamento de Química
- Universidade Federal de Santa Catarina – UFSC
- Florianópolis
- Brazil
| | - Guilherme M. Martins
- Departamento de Química
- Universidade Federal de Santa Catarina – UFSC
- Florianópolis
- Brazil
| | - Antonio L. Braga
- Departamento de Química
- Universidade Federal de Santa Catarina – UFSC
- Florianópolis
- Brazil
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21
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Zhang Y, Lin Z, Ackermann L. Electrochemical C-H Amidation of Heteroarenes with N-Alkyl Sulfonamides in Aqueous Medium. Chemistry 2020; 27:242-246. [PMID: 33085807 PMCID: PMC7898600 DOI: 10.1002/chem.202004229] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 10/20/2020] [Indexed: 12/12/2022]
Abstract
The construction of C-N bonds by free radical reactions represents a powerful synthetic approach for direct C-H amidations of arenes or heteroarenes. Developing efficient and more environmentally friendly synthetic methods for C-H amidation reactions remains highly desirable. Herein, metal-free electrochemical oxidative dehydrogenative C-H amidations of heteroarenes with N-alkylsulfonamides have been accomplished. The catalyst- and chemical-oxidant-free C-H amidation features an ample scope and employs electricity as the green and sole oxidant. A variety of heteroarenes, including indoles, pyrroles, benzofuran and benzothiophene, thereby underwent this C(sp2 )-H nitrogenation. Cyclic voltammetry studies and control experiments provided evidence for nitrogen-centered radicals being directly generated under metal-free electrocatalysis.
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Affiliation(s)
- Yan Zhang
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany.,Key Laboratory of the Ministry of Education for Advanced, Catalysis Materials, Zhejiang Normal University, Yingbin Road 688, 321004, Jinhua, P. R. China
| | - Zhipeng Lin
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
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22
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Wang J, Li JH, Guo Y, Dong H, Liu Q, Yu XQ. TEMPO-Mediated C-H Amination of Benzoxazoles with N-Heterocycles. J Org Chem 2020; 85:12797-12803. [PMID: 32878444 DOI: 10.1021/acs.joc.0c01921] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The direct amination of benzoxazoles at C2 using N-heterocycles as nitrogen sources has been developed for the first time. Several kinds of inexpensive oxidants and also electricity were effective for this transformation in the presence of 2,2,6,6-tetramethylpiperidine-N-oxyl. This metal-free and operationally simple reaction can afford a variety of important C,N'-linked bis-heteocycles in moderate to good yields under very mild reaction conditions. The in situ generated oxoammonium salt was proved to be important for this transformation.
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Affiliation(s)
- Jian Wang
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Jiang-Hua Li
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Yidong Guo
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Hongbo Dong
- Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu 610052, China
| | - Qiang Liu
- College of Chemistry and Environmental Protection Engineering, Southwest Minzu University, Chengdu 610041, China
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, China
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23
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Barham JP, König B. Synthetic Photoelectrochemistry. Angew Chem Int Ed Engl 2020; 59:11732-11747. [PMID: 31805216 PMCID: PMC7383880 DOI: 10.1002/anie.201913767] [Citation(s) in RCA: 173] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 12/03/2019] [Indexed: 01/06/2023]
Abstract
Photoredox catalysis (PRC) and synthetic organic electrochemistry (SOE) are often considered competing technologies in organic synthesis. Their fusion has been largely overlooked. We review state-of-the-art synthetic organic photoelectrochemistry, grouping examples into three categories: 1) electrochemically mediated photoredox catalysis (e-PRC), 2) decoupled photoelectrochemistry (dPEC), and 3) interfacial photoelectrochemistry (iPEC). Such synergies prove beneficial not only for synthetic "greenness" and chemical selectivity, but also in the accumulation of energy for accessing super-oxidizing or -reducing single electron transfer (SET) agents. Opportunities and challenges in this emerging and exciting field are discussed.
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Affiliation(s)
- Joshua P. Barham
- Universität RegensburgFakultät für Chemie und Pharmazie93040RegensburgGermany
| | - Burkhard König
- Universität RegensburgFakultät für Chemie und Pharmazie93040RegensburgGermany
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24
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Liu K, Deng Y, Song W, Song C, Lei A. Electrochemical Dearomative Halocyclization of Tryptamine and Tryptophol Derivatives. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000194] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Kun Liu
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Yuqi Deng
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Wenxu Song
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Chunlan Song
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
| | - Aiwen Lei
- College of Chemistry and Molecular Sciences, Institute for Advanced Studies (IAS), Wuhan University Wuhan Hubei 430072 China
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25
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Thobokholt EN, Larghi EL, Bracca ABJ, Kaufman TS. Isolation and synthesis of cryptosanguinolentine (isocryptolepine), a naturally-occurring bioactive indoloquinoline alkaloid. RSC Adv 2020; 10:18978-19002. [PMID: 35518305 PMCID: PMC9054090 DOI: 10.1039/d0ra03096a] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 05/04/2020] [Indexed: 11/28/2022] Open
Abstract
Cryptosanguinolentine (isocryptolepine) is one of the minor naturally-occurring monomeric indoloquinoline alkaloids, isolated from the West African climbing shrub Cryptolepis sanguinolenta. The natural product displays such a simple and unique skeleton, which chemists became interested in well before it was found in Nature. Because of its structure and biological activity, the natural product has been targeted for synthesis on numerous occasions, employing a wide range of different strategies. Hence, discussed here are aspects related to the isolation of isocryptolepine, as well as the various approaches toward its total synthesis.
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Affiliation(s)
- Elida N Thobokholt
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
| | - Enrique L Larghi
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
| | - Andrea B J Bracca
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
| | - Teodoro S Kaufman
- Instituto de Química Rosario (IQUIR, CONICET-UNR), Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario Suipacha 531 S2002LRK Rosario Argentina +54-341-4370477 +54-341-4370477
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26
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Daili F, Ouarti A, Pinaud M, Kribii I, Sengmany S, Le Gall E, Léonel E. Nickel-Catalyzed Electrosynthesis of Aryl and Vinyl Phosphinates. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000422] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Farah Daili
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
| | - Abdelhakim Ouarti
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
| | - Marine Pinaud
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
| | - Ibtihal Kribii
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
| | - Stéphane Sengmany
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
| | - Erwan Le Gall
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
| | - Eric Léonel
- Electrosynthèse, Catalyse et Chimie Organique; Université Paris-Est Créteil, CNRS, ICMPE, UMR7182; 2 rue Henri Dunant 94320 Thiais France
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27
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Affiliation(s)
- Joshua P. Barham
- Universität Regensburg Fakultät für Chemie und Pharmazie 93040 Regensburg Deutschland
| | - Burkhard König
- Universität Regensburg Fakultät für Chemie und Pharmazie 93040 Regensburg Deutschland
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28
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Liu C, Jiang Q, Lin Y, Fang Z, Guo K. C- to N-Center Remote Heteroaryl Migration via Electrochemical Initiation of N Radical by Organic Catalyst. Org Lett 2020; 22:795-799. [PMID: 31922422 DOI: 10.1021/acs.orglett.9b04141] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Herein an exogenous oxidant- and metal-free electrochemical heteroaryl migration triggered by N radicals to construct new N-C bonds was developed. This methodology features a high atom economy and utilization rate of energy, and it is insensitive to water and air. Moreover, a user-friendly undivided cell was employed. The use of an organic catalyst makes it more efficient, green, and practical.
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Affiliation(s)
- Chengkou Liu
- College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Qiang Jiang
- College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Yang Lin
- College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Zheng Fang
- College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing 211816 , China
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering , Nanjing Tech University , Nanjing 211816 , China.,State Key Laboratory of Materials-Oriented Chemical Engineering , Nanjing Tech University , Nanjing 211816 , China
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29
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Henrion M, Smolders S, De Vos DE. Cu II/H-USY as a regenerable bifunctional catalyst for the additive-free C–H amination of azoles. Catal Sci Technol 2020. [DOI: 10.1039/c9cy02153a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The use of the bifunctional CuII/H-USY catalyst for the direct amination of azoles under air and without additives has been disclosed.
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Affiliation(s)
- Mickaël Henrion
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS)
- KU Leuven
- 3001 Leuven
- Belgium
| | - Simon Smolders
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS)
- KU Leuven
- 3001 Leuven
- Belgium
| | - Dirk E. De Vos
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS)
- KU Leuven
- 3001 Leuven
- Belgium
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30
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Hu X, Zhang G, Nie L, Kong T, Lei A. Electrochemical oxidation induced intermolecular aromatic C-H imidation. Nat Commun 2019; 10:5467. [PMID: 31784522 PMCID: PMC6884519 DOI: 10.1038/s41467-019-13524-4] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2019] [Accepted: 11/12/2019] [Indexed: 01/05/2023] Open
Abstract
The dehydrogenative aryl C-H/N-H cross-coupling is a powerful synthetic methodology to install nitrogen functionalities into aromatic compounds. Herein, we report an electrochemical oxidation induced intermolecular cross-coupling between aromatics and sulfonimides with high regioselectivity through N-radical addition pathway under external-oxidant-free and catalyst-free conditions. A wide variety of arenes, heteroarenes, alkenes and sulfonimides are applicable scaffolds in this transformation. In addition, aryl sulfonamides or amines (aniline derivatives) can be obtained through different deprotection process. The cyclic voltammetry mechanistic study indicates that the N-centered imidyl radicals are generated via proton-coupled electron transfer event jointly mediated by tetrabutylammonium acetate and anode oxidation process. The dehydrogenative C-H/N-H cross-coupling serves to install nitrogen functionalities into arenes with the highest atom economy. Here, the authors report an electrochemical cross-coupling between aromatics and sulfonimides through an N-radical addition pathway under oxidant- and catalyst-free conditions.
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Affiliation(s)
- Xia Hu
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei, People's Republic of China
| | - Guoting Zhang
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei, People's Republic of China
| | - Lei Nie
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei, People's Republic of China
| | - Taige Kong
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei, People's Republic of China
| | - Aiwen Lei
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei, People's Republic of China.
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31
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Gryaznova TV, Kholin KV, Nikanshina EO, Khrizanforova VV, Strekalova SO, Fayzullin RR, Budnikova YH. Copper or Silver-Mediated Oxidative C(sp2)–H/N–H Cross-Coupling of Phthalimide and Heterocyclic Arenes: Access to N-Arylphthalimides. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00443] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Tatyana V. Gryaznova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
| | - Kirill V. Kholin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
| | - Elizaveta O. Nikanshina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
| | - Vera V. Khrizanforova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
| | - Sofia O. Strekalova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
| | - Robert R. Fayzullin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
| | - Yulia H. Budnikova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov str. 8, Kazan 420088, Russian Federation
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32
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Sun C, Lian F, Xu K, Zeng C, Sun B. Electrochemical Synthesis of Allylamines via a Radical Trapping Sequence. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900537] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Cao‐Cao Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Chemical Engineering Beijing Technology and Business University Beijing 100048 People's Republic of China
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering Beijing University of Technology Pingleyuan 100, Chaoyang District Beijing 100124 People's Republic of China
| | - Fei Lian
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering Beijing University of Technology Pingleyuan 100, Chaoyang District Beijing 100124 People's Republic of China
| | - Kun Xu
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering Beijing University of Technology Pingleyuan 100, Chaoyang District Beijing 100124 People's Republic of China
| | - Cheng‐Chu Zeng
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering Beijing University of Technology Pingleyuan 100, Chaoyang District Beijing 100124 People's Republic of China
| | - Bao‐Guo Sun
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, School of Food and Chemical Engineering Beijing Technology and Business University Beijing 100048 People's Republic of China
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33
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Vereshchagin AN, Dorofeeva EO, Elinson MN, Korolev VA, Egorov MP. Pyridinium bromide as a new mediator for electrochemical transformations involving CH-acids. MENDELEEV COMMUNICATIONS 2019. [DOI: 10.1016/j.mencom.2019.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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34
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Feng P, Ma G, Chen X, Wu X, Lin L, Liu P, Chen T. Electrooxidative and Regioselective C-H Azolation of Phenol and Aniline Derivatives. Angew Chem Int Ed Engl 2019; 58:8400-8404. [PMID: 30920715 DOI: 10.1002/anie.201901762] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2019] [Indexed: 12/19/2022]
Abstract
A general and practical protocol was developed for the regioselective C-H azolation of phenol and aniline derivatives by electrooxidative cross-coupling. The reaction occurs under metal-, oxidant-, and reagent-free conditions, allowing access to a wide variety of synthetically useful heteroarene derivatives. The reaction also tolerates a broad range of functional groups and is amenable to gram-scale synthesis. Finally, a preliminary mechanistic study indicated that a radical-radical-combination pathway might be involved in the coupling reaction.
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Affiliation(s)
- Pengju Feng
- Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Guojian Ma
- Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Xiaoguang Chen
- Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Xing Wu
- Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Ling Lin
- Department of Chemistry, Jinan University, Guangzhou, 510632, China
| | - Peng Liu
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil, Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Tianfeng Chen
- Department of Chemistry, Jinan University, Guangzhou, 510632, China
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35
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Feng P, Ma G, Chen X, Wu X, Lin L, Liu P, Chen T. Electrooxidative and Regioselective C−H Azolation of Phenol and Aniline Derivatives. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901762] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Pengju Feng
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Guojian Ma
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Xiaoguang Chen
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Xing Wu
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Ling Lin
- Department of ChemistryJinan University Guangzhou 510632 China
| | - Peng Liu
- Guangdong Engineering and Technology Research Center for Advanced NanomaterialsSchool of Environment and Civil, EngineeringDongguan University of Technology Dongguan 523808 China
| | - Tianfeng Chen
- Department of ChemistryJinan University Guangzhou 510632 China
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36
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Wang H, Gao X, Lv Z, Abdelilah T, Lei A. Recent Advances in Oxidative R 1-H/R 2-H Cross-Coupling with Hydrogen Evolution via Photo-/Electrochemistry. Chem Rev 2019; 119:6769-6787. [PMID: 31074264 DOI: 10.1021/acs.chemrev.9b00045] [Citation(s) in RCA: 420] [Impact Index Per Article: 84.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Photo-/electrochemical catalyzed oxidative R1-H/R2-H cross-coupling with hydrogen evolution has become an increasingly important issue for molecular synthesis. The dream of construction of C-C/C-X bonds from readily available C-H/X-H with release of H2 can be facilely achieved without external chemical oxidants, providing a greener model for chemical bond formation. Given the great influence of these reactions in organic chemistry, we give a summary of the state of the art in oxidative R1-H/R2-H cross-coupling with hydrogen evolution via photo/electrochemistry, and we hope this review will stimulate the development of a greener synthetic strategy in the near future.
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Affiliation(s)
- Huamin Wang
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, China
| | - Xinlong Gao
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, China
| | - Zongchao Lv
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, China
| | - Takfaoui Abdelilah
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, China
| | - Aiwen Lei
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, China.,National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, China
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37
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Yang YZ, Song RJ, Li JH. Intermolecular Anodic Oxidative Cross-Dehydrogenative C(sp3)–N Bond-Coupling Reactions of Xanthenes with Azoles. Org Lett 2019; 21:3228-3231. [DOI: 10.1021/acs.orglett.9b00947] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yong-Zheng Yang
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Ren-Jie Song
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
| | - Jin-Heng Li
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha 410082, China
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38
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Yuan Y, Qiao J, Cao Y, Tang J, Wang M, Ke G, Lu Y, Liu X, Lei A. Exogenous-oxidant-free electrochemical oxidative C-H phosphonylation with hydrogen evolution. Chem Commun (Camb) 2019; 55:4230-4233. [PMID: 30899925 DOI: 10.1039/c9cc00975b] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
We herein report a versatile and environmentally friendly electrochemical oxidative C-H phosphonylation protocol. This protocol features a broad substrate scope; not only C(sp2)-H phosphonylation, but also C(sp3)-H phosphonylation is tolerated well under exogenous-oxidant-free and metal catalyst-free electrochemical oxidation conditions.
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Affiliation(s)
- Yong Yuan
- National Research Center for Carbohydrate Synthesis, Jiangxi Normal University, Nanchang 330022, P. R. China.
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39
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Wang F, Stahl SS. Merging Photochemistry with Electrochemistry: Functional-Group Tolerant Electrochemical Amination of C(sp 3 )-H Bonds. Angew Chem Int Ed Engl 2019; 58:6385-6390. [PMID: 30763466 DOI: 10.1002/anie.201813960] [Citation(s) in RCA: 141] [Impact Index Per Article: 28.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 02/13/2019] [Indexed: 12/22/2022]
Abstract
Direct amination of C(sp3 )-H bonds is of broad interest in the realm of C-H functionalization because of the prevalence of nitrogen heterocycles and amines in pharmaceuticals and natural products. Reported here is a combined electrochemical/photochemical method for dehydrogenative C(sp3 )-H/N-H coupling that exhibits good reactivity with both sp2 and sp3 N-H bonds. The results show how use of iodide as an electrochemical mediator, in combination with light-induced cleavage of intermediate N-I bonds, enables the electrochemical process to proceed at low electrode potentials. This approach significantly improves the functional-group compatibility of electrochemical C-H amination, for example, tolerating electron-rich aromatic groups that undergo deleterious side reactions in the presence of high electrode potentials.
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Affiliation(s)
- Fei Wang
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
| | - Shannon S Stahl
- Department of Chemistry, University of Wisconsin-Madison, Madison, WI, 53706, USA
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40
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Wang F, Stahl SS. Merging Photochemistry with Electrochemistry: Functional‐Group Tolerant Electrochemical Amination of C(sp
3
)−H Bonds. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813960] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Fei Wang
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
| | - Shannon S. Stahl
- Department of Chemistry University of Wisconsin-Madison Madison WI 53706 USA
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41
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Wang J, Qian P, Hu K, Zha Z, Wang Z. Electrocatalytic Fixation of Carbon Dioxide with Amines and Arylketones. ChemElectroChem 2019. [DOI: 10.1002/celc.201801724] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jiawei Wang
- Hefei National Laboratory for Physical Sciences at Microscale CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui China
| | - Peng Qian
- Hefei National Laboratory for Physical Sciences at Microscale CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui China
| | - Kangfei Hu
- Hefei National Laboratory for Physical Sciences at Microscale CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui China
| | - Zhenggen Zha
- Hefei National Laboratory for Physical Sciences at Microscale CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui China
| | - Zhiyong Wang
- Hefei National Laboratory for Physical Sciences at Microscale CAS Key Laboratory of Soft Matter Chemistry & Center for Excellence in Molecular Synthesis of Chinese Academy of Sciences Collaborative Innovation Center of Suzhou Nano Science and Technology & School of Chemistry and Materials ScienceUniversity of Science and Technology of China Hefei Anhui China
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42
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Li F, Li Z, Tang X, Cao X, Wang C, Li J, Wang L. Hemoglobin: A New Biocatalyst for the Synthesis of 2-substituted Benzoxazoles via
Oxidative Cyclization. ChemCatChem 2019. [DOI: 10.1002/cctc.201801760] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Fengxi Li
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences; Jilin University; Changchun 130023 P. R. China
| | - Zhengqiang Li
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences; Jilin University; Changchun 130023 P. R. China
| | - Xuyong Tang
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences; Jilin University; Changchun 130023 P. R. China
| | - Xinyu Cao
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences; Jilin University; Changchun 130023 P. R. China
| | - Chunyu Wang
- State Key Laboratory of Supramolecular Structure and Materials; Jilin University; Changchun 130023 P. R. China
| | - Jialin Li
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences; Jilin University; Changchun 130023 P. R. China
| | - Lei Wang
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, School of Life Sciences; Jilin University; Changchun 130023 P. R. China
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43
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Wu QL, Chen XG, Huo CD, Wang XC, Quan ZJ. Electrochemically driven P–H oxidation and functionalization: synthesis of carbamoylphosphonates from phosphoramides and alcohols. NEW J CHEM 2019. [DOI: 10.1039/c8nj05739g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Electrochemical synthesis of carbamoylphosphonates via P–H phosphorylation and oxygenation of phosphinecarboxamides with alcohols by using n-Bu4NI (10 mol%) as an iodine source.
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Affiliation(s)
- Qiu-Li Wu
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Xing-Guo Chen
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Cong-De Huo
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Xi-Cun Wang
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
| | - Zheng-Jun Quan
- Gansu International Scientific and Technological Cooperation Base of Water-Retention Chemical Functional Materials and College of Chemistry and Chemical Engineering
- Northwest Normal University
- Lanzhou
- People's Republic of China
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44
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Nath AR, Chee CF, Rahman NA. Application of Electrochemical Cross-Dehydrogenative Couplings in the Syntheses of Heterocycles. HETEROCYCLES VIA CROSS DEHYDROGENATIVE COUPLING 2019:445-494. [DOI: 10.1007/978-981-13-9144-6_13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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45
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Ghoshal T, Nagar V, Vutla A, Kotturi S, Kuttappan S. Synthesis of aminobenzoxazoles via simple, clean and efficient electrochemical redox reactions. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2018.12.054] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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46
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Chang X, Zhang Q, Guo C. Electrochemical Reductive Smiles Rearrangement for C–N Bond Formation. Org Lett 2018; 21:10-13. [DOI: 10.1021/acs.orglett.8b03178] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xihao Chang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Qinglin Zhang
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
| | - Chang Guo
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, China
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47
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Zheng MW, Yuan X, Cui YS, Qiu JK, Li G, Guo K. Electrochemical Sulfonylation/Heteroarylation of Alkenes via Distal Heteroaryl ipso-Migration. Org Lett 2018; 20:7784-7789. [DOI: 10.1021/acs.orglett.8b03191] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ming-Wei Zheng
- Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
- Institute of Chemistry & Biomedical Sciences, Nanjing University, Nanjing 210093, P. R. China
| | - Xin Yuan
- Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
- Institute of Chemistry & Biomedical Sciences, Nanjing University, Nanjing 210093, P. R. China
| | - Yu-Sheng Cui
- Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
| | - Jiang-Kai Qiu
- Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
| | - Guigen Li
- Institute of Chemistry & Biomedical Sciences, Nanjing University, Nanjing 210093, P. R. China
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, Texas 79409-1061, United States
| | - Kai Guo
- Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P. R. China
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48
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Li KJ, Xu K, Liu YG, Zeng CC, Sun BG. Electrochemical Dehydrogenative Cross-Coupling of Quinoxalin-2(1H
)-ones with Amines for the Synthesis of 3-Aminoquinoxalinones. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201800989] [Citation(s) in RCA: 68] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Ke-Jing Li
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering; Beijing University of Technology; Beijing 100124 China
| | - Kun Xu
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering; Beijing University of Technology; Beijing 100124 China
| | - Yong-Guo Liu
- Beijing Key Laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing 100048 China
| | - Cheng-Chu Zeng
- Beijing Key Laboratory of Environmental and Viral Oncology, College of Life Science & Bioengineering; Beijing University of Technology; Beijing 100124 China
| | - Bao-Guo Sun
- Beijing Key Laboratory of Flavor Chemistry; Beijing Technology and Business University; Beijing 100048 China
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49
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Wilken M, Ortgies S, Breder A, Siewert I. Mechanistic Studies on the Anodic Functionalization of Alkenes Catalyzed by Diselenides. ACS Catal 2018. [DOI: 10.1021/acscatal.8b01236] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Mona Wilken
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstrasse 4, 37077 Göttingen, Germany
| | - Stefan Ortgies
- Universität Göttingen, Institut für Organische und Biomolekulare Chemie, Tammannstrasse 2, 37077 Göttingen, Germany
| | - Alexander Breder
- Universität Göttingen, Institut für Organische und Biomolekulare Chemie, Tammannstrasse 2, 37077 Göttingen, Germany
| | - Inke Siewert
- Universität Göttingen, Institut für Anorganische Chemie, Tammannstrasse 4, 37077 Göttingen, Germany
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50
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Hu X, Zhang G, Bu F, Nie L, Lei A. Electrochemical-Oxidation-Induced Site-Selective Intramolecular C(sp3)–H Amination. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02847] [Citation(s) in RCA: 113] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xia Hu
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, People’s Republic of China
| | - Guoting Zhang
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, People’s Republic of China
| | - Faxiang Bu
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, People’s Republic of China
| | - Lei Nie
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, People’s Republic of China
| | - Aiwen Lei
- Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, Hubei 430072, People’s Republic of China
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