1
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Ardila-Fierro KJ, Hernández JG. Intermediates in Mechanochemical Reactions. Angew Chem Int Ed Engl 2024; 63:e202317638. [PMID: 38179857 DOI: 10.1002/anie.202317638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 12/31/2023] [Accepted: 01/03/2024] [Indexed: 01/06/2024]
Abstract
Mechanochemical reactions offer methodological and environmental advantages for chemical synthesis, constantly attracting attention within the scientific community. Besides unmistakable sustainability advantages, the conditions under which mechanochemical reactions occur, namely solventless conditions, sometimes facilitate the isolation of otherwise labile or inaccessible products. Despite these advantages, limited knowledge exists regarding the mechanisms of these reactions and the types of intermediates involved. Nevertheless, in an expanding number of cases, ex situ and in situ monitoring techniques have allowed for the observation, characterization, and isolation of reaction intermediates in mechanochemical transformations. In this Minireview, we present a series of examples in which reactive intermediates have been detected in mechanochemical reactions spanning organic, organometallic, inorganic, and materials chemistry. Many of these intermediates were stabilized by non-covalent interactions, which played a pivotal role in guiding the chemical transformations. We believe that by uncovering and understanding such instances, the growing mechanochemistry community could find novel opportunities in catalysis and discover new mechanochemical reactions while achieving simplification in chemical reaction design.
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Affiliation(s)
- Karen J Ardila-Fierro
- Grupo Ciencia de los Materiales, Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Calle 70 No 52-21, Medellín, Colombia
| | - José G Hernández
- Grupo Ciencia de los Materiales, Instituto de Química, Facultad de Ciencias Exactas y Naturales, Universidad de Antioquia, Calle 70 No 52-21, Medellín, Colombia
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2
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Wang X, Li J, Du H, Liang W, Luo C, Wu Y, Liu B. Synthesis of 1,4-epoxy-2-aryltetrahydro-1-benzazepines via rhodium(III)-catalyzed C-H allylation/intramolecular 1,3-dipolar cycloaddition. Chem Commun (Camb) 2024; 60:2401-2404. [PMID: 38323599 DOI: 10.1039/d3cc05082c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Herein, we report a new synthetic route to 1,4-epoxy-2-aryltetrahydro-1-benzazepine derivatives with high efficiency, namely the Rh(III)-catalyzed C-H allylation of nitrones with allyl precursors, followed by subsequent intramolecular 1,3-dipolar cycloaddition, to deliver the title compounds. This reaction is regio- and stereo-selective, generating the cis-isomer with a broad substrate scope and good functional group tolerance.
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Affiliation(s)
- Xuan Wang
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China.
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, P. R. China
| | - Jianlong Li
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China.
- Guangzhou Key Laboratory of Chirality Research on Active Components of Traditional Chinese Medicine, Guangzhou 510006, P. R. China
| | - Haifang Du
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China.
- Guangdong Provincial Key Laboratory of Clinical Research on Traditional Chinese Medicine Syndrome, Guangzhou 510006, P. R. China
| | - Weihong Liang
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China.
- Guangzhou Key Laboratory of Chirality Research on Active Components of Traditional Chinese Medicine, Guangzhou 510006, P. R. China
| | - Cheng Luo
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, P. R. China
| | - Yunshan Wu
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China.
- Guangzhou Key Laboratory of Chirality Research on Active Components of Traditional Chinese Medicine, Guangzhou 510006, P. R. China
| | - Bo Liu
- Guangdong Provincial Hospital of Chinese Medicine, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510006, P. R. China.
- Guangzhou Key Laboratory of Chirality Research on Active Components of Traditional Chinese Medicine, Guangzhou 510006, P. R. China
- State Key Laboratory of Dampness Syndrome of Chinese Medicine, Guangzhou 510006, P. R. China
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3
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Lin M, Wu YF, Liu ZQ, Liang C, Li QH, Liu TL. Rhodium(III)-catalyzed three-component C(sp 2)-H activation for the synthesis of amines. Chem Commun (Camb) 2023; 59:14431-14434. [PMID: 37982153 DOI: 10.1039/d3cc04665f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Rhodium-catalyzed three-component C-H bond activation of aromatics with amides and aldehydes to synthesize amines was established. The addition of copper was found to be essential to ensure the high reactivity. The mechanistic studies indicated that key intermediates formed by the transmetallization between rhodium and copper could further promote the addition between 2-(pyridin-2-yl)-phenyl-metal species and imines. A series of densely substituted amines could be conveniently prepared by this one-step, three-component procedure from commercially available substrates via C-H bond activation with water as the only by-product.
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Affiliation(s)
- Min Lin
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Yu-Fei Wu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Zheng-Qiang Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Cheng Liang
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Qing-Hua Li
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
| | - Tang-Lin Liu
- School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China.
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4
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Tassone JP, Yeo J, Ellman JA. Three-component carboformylation: α-quaternary aldehyde synthesis via Co(iii)-catalysed sequential C-H bond addition to dienes and acetic formic anhydride. Chem Sci 2022; 13:14320-14326. [PMID: 36545136 PMCID: PMC9749387 DOI: 10.1039/d2sc05599f] [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: 10/09/2022] [Accepted: 11/20/2022] [Indexed: 11/23/2022] Open
Abstract
All carbon α-quaternary aldehydes are prepared via Co(iii)-catalysed sequential C-H bond addition to dienes and acetic formic anhydride, representing a rare example of intermolecular carboformylation. A wide range of internally substituted dienes containing diverse functionality can be employed in this reaction, affording complex α-quaternary aldehydes that would not be accessible via hydroformylation approaches. Mechanistic investigations, including control reactions and deuterium labeling studies, establish a catalytic cycle that accounts for formyl group introduction with an uncommon 1,3-addition selectivity to the conjugated diene. Investigations into the role of the uniquely effective additive Proton Sponge® were also conducted, leading to the observation of a putative, intermediate Co(i) tetramethylfulvene complex at low temperatures via NMR spectroscopy. The synthetic utility of the aldehyde products is demonstrated by various transformations, including proline-catalysed asymmetric aldol addition, reductive amination, and the asymmetric synthesis of amines using tert-butanesulfinamide technology.
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Affiliation(s)
- Joseph P. Tassone
- Department of Chemistry, Yale University225 Prospect St.New HavenCT 06520USA
| | - Jihyeon Yeo
- Department of Chemistry, Yale University225 Prospect St.New HavenCT 06520USA
| | - Jonathan A. Ellman
- Department of Chemistry, Yale University225 Prospect St.New HavenCT 06520USA
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5
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Li BW, Yan J, Wang X, Yu X, Li X, Ling-jian Z, Li H. Theoretical study on Rh(III)-Catalyzed reaction of allenylsilanes with N-methoxybenzamides. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2022.122557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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6
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Li ZY, Zhang JP, Ying YY, Yan D, Jiao L, Hao E. Rhodium-Catalyzed Tandem C–H Annulation Enabled by Transient Directing Group Strategy and Sequential Nucleophilic Substitution. Org Lett 2022; 24:7888-7893. [DOI: 10.1021/acs.orglett.2c02853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhong-Yuan Li
- Anhui Laboratory of Molecule-Based Materials; Key Laboratory of Functional Molecular Solids, Ministry of Education; School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
| | - Jin-Ping Zhang
- Anhui Laboratory of Molecule-Based Materials; Key Laboratory of Functional Molecular Solids, Ministry of Education; School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
| | - Yun-Yi Ying
- Anhui Laboratory of Molecule-Based Materials; Key Laboratory of Functional Molecular Solids, Ministry of Education; School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
| | - Dong Yan
- Anhui Laboratory of Molecule-Based Materials; Key Laboratory of Functional Molecular Solids, Ministry of Education; School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
| | - Lijuan Jiao
- Anhui Laboratory of Molecule-Based Materials; Key Laboratory of Functional Molecular Solids, Ministry of Education; School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
| | - Erhong Hao
- Anhui Laboratory of Molecule-Based Materials; Key Laboratory of Functional Molecular Solids, Ministry of Education; School of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241002, China
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7
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Hamdaoui M, Liu F, Cornaton Y, Lu X, Shi X, Zhang H, Liu J, Spingler B, Djukic JP, Duttwyler S. An Iridium-Stabilized Borenium Intermediate. J Am Chem Soc 2022; 144:18359-18374. [PMID: 36173688 DOI: 10.1021/jacs.2c06298] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Exploration of new organometallic systems based on polyhedral boron clusters has the potential to solve challenging chemical problems such as the stabilization of reactive intermediates and transition-state-like species postulated for E-H (E = H, B, C, Si) bond activation reactions. We report on facile and clean B-H activation of a hydroborane by a new iridium boron cluster complex. The product of this reaction is an unprecedented and fully characterized transition metal-stabilized boron cation or borenium. Moreover, this intermediate bears an unusual intramolecular B···H interaction between the hydrogen originating from the activated hydroborane and the cyclometallated metal-bonded boron atom of the boron cluster. This B···H interaction is proposed to be an arrested insertion of hydrogen into the Bcage-metal bond and the initiation step for iridium "cage-walking" around the upper surface of the boron cluster. The "cage-walking" process is supported by the hydrogen-deuterium exchange observed at the boron cluster, and a mechanism is proposed on the basis of theoretical methods with a special focus on the role of noncovalent interactions. All new compounds were isolated and fully characterized by NMR spectroscopy and elemental analysis. Key compounds were studied by single crystal X-ray diffraction and X-ray photoelectron spectroscopy.
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Affiliation(s)
- Mustapha Hamdaoui
- Department of Chemistry, Zheijang University, Hangzhou 310027, China
| | - Fan Liu
- Department of Chemistry, Zheijang University, Hangzhou 310027, China
| | - Yann Cornaton
- Laboratoire de Chimie et Systémique Organométalliques, Institut de Chimie de Strasbourg UMR 7177 CNRS, Université de Strasbourg, Strasbourg 67000, France
| | - Xingyu Lu
- Instrumentation Service Center for Molecular Sciences, Westlake University, Hangzhou 310024, China
| | - Xiaohuo Shi
- Instrumentation Service Center for Molecular Sciences, Westlake University, Hangzhou 310024, China
| | - Huan Zhang
- Instrumentation Service Center for Molecular Sciences, Westlake University, Hangzhou 310024, China
| | - Jiyong Liu
- Department of Chemistry, Zheijang University, Hangzhou 310027, China
| | - Bernhard Spingler
- Department of Chemistry, University of Zurich, Zurich 8057, Switzerland
| | - Jean-Pierre Djukic
- Laboratoire de Chimie et Systémique Organométalliques, Institut de Chimie de Strasbourg UMR 7177 CNRS, Université de Strasbourg, Strasbourg 67000, France
| | - Simon Duttwyler
- Department of Chemistry, Zheijang University, Hangzhou 310027, China
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8
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Wu Z, Wu Z, Zhang W, Gu Q, You S. Rh(
III
)‐Catalyzed Enantioselective Intermolecular Aryl C−H Bond Addition to Aldehydes. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zhi‐Jie Wu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road Shanghai 201210 China
| | - Zhuo Wu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Wen‐Wen Zhang
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
| | - Shu‐Li You
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 China
- School of Physical Science and Technology, ShanghaiTech University, 100 Haike Road Shanghai 201210 China
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9
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Ranu B, Egorov I, Mukherjee A, Santra S, Kopchuk D, Kovalev I, Zyryanov G, Majee A, Chupakhin O, Liu Y. Mechanochemically Induced Cross Dehydrogenative Coupling Reactions under Ball Milling. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Ilya Egorov
- Ural Federal University named after the first President of Russia B N Yeltsin RUSSIAN FEDERATION
| | - Anindita Mukherjee
- Ural'skij federal'nyj universitet imeni pervogo Prezidenta Rossii B N El'cina RUSSIAN FEDERATION
| | - Sougata Santra
- Ural Federal University named after the first President of Russia B N Yeltsin RUSSIAN FEDERATION
| | - Dmitry Kopchuk
- Institute of Organic Synthesis UB RAS RUSSIAN FEDERATION
| | | | - Grigory Zyryanov
- Ural Federal University named after the first President of Russia B N Yeltsin RUSSIAN FEDERATION
| | | | - Oleg Chupakhin
- Ural Federal University named after the first President of Russia B N Yeltsin RUSSIAN FEDERATION
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10
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Lee M, Heo J, Kim D, Chang S. On the Origin of Rh-Catalyzed Selective Ring-Opening Amidation of Substituted Cyclopropanols to Access β 2-Amino Ketones. J Am Chem Soc 2022; 144:3667-3675. [PMID: 35167292 DOI: 10.1021/jacs.1c12934] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
β2-Amino carbonyls, an α-substituted β-amino scaffold, hold a prominent place in the development of new pharmaceuticals and peptidomimetics. Herein, we report a highly efficient Rh-catalyzed ring-opening amidation of substituted cyclopropanols, which turned out to serve as a linchpin for the selective synthesis of β2-amino ketones to outcompete the formation of β3-isomers. Instead of the generally accepted rationale to consider steric factors for the β2-selectivity, orbital interaction was elucidated to play a more critical role in the amidative ring-opening of cyclopropanols to generate the key Rh-C intermediate. Subsequent inner-sphere acylnitrene transfer was achieved in excellent efficiency (TON > 5000) by using readily accessible dioxazolones as the amino source to afford β2-amino ketones with broad applicability.
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Affiliation(s)
- Minhan Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Joon Heo
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Dongwook Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
| | - Sukbok Chang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, Korea.,Center for Catalytic Hydrocarbon Functionalization, Institute for Basic Science (IBS), Daejeon 34141, Korea
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11
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Cai X, Chen W, Nie R, Wang J. Chiral-Directing-Group-Assisted Rhodium(III)-Catalyzed Asymmetric Addition of Inert Arene C-H Bond to Aldimines with Subsequent Intramolecular Cyclization. Chemistry 2021; 27:16611-16615. [PMID: 34605586 DOI: 10.1002/chem.202103319] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Indexed: 11/12/2022]
Abstract
By using a chiral directing group, an asymmetric rhodium(III)-catalyzed C-H bond addition to aldimines followed by intramolecular cyclization to form chiral isoindolinones has been achieved (up to 68 % yield, up to 93 % ee). A three-component variant that resembles Mannich reaction was also realized (41 % yield, 83 % ee). Product elaborations and preliminary mechanistic studies were described.
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Affiliation(s)
- Xuhong Cai
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education School of Chemistry, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
| | - Wenkun Chen
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education School of Chemistry, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
| | - Ruifang Nie
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education School of Chemistry, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education School of Chemistry, Sun Yat-Sen University, Guangzhou, 510006, P. R. China.,Guangdong Key Laboratory of Chiral Molecule and Drug Discovery, Sun Yat-Sen University, Guangzhou, 510006, P. R. China
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12
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Liu Z, Tao J, Zhuang X, Hong C, Luo Z, Wu Y, Li Q, Liu T. Rhodium(III)‐Catalyzed Aryl Borrowing Amination of Diaryl Methanols Containing Pyridine‐Directing Groups. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100772] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Zheng‐Qiang Liu
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Jing Tao
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Xin Zhuang
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Chuan‐Ming Hong
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Zhen Luo
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Yu‐Fei Wu
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Qing‐Hua Li
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
| | - Tang‐Lin Liu
- School of Chemistry and Chemical Engineering Southwest University Chongqing 400715 People's Republic of China
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13
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Wu Z, Zhang R, Gu Q, You S. SCpRh(III)‐Catalyzed Enantioselective Aryl C−H Addition to Nitroalkenes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100299] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhi‐Jie Wu
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 P. R. China
- School of Physical Science and Technology ShanghaiTech University 100 Haike Road Shanghai 201210 P. R. China
| | - Ru Zhang
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 P. R. China
| | - Qing Gu
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 P. R. China
| | - Shu‐Li You
- State Key Laboratory of Organometallic Chemistry Shanghai Institute of Organic Chemistry Chinese Academy of Sciences 345 Lingling Lu Shanghai 200032 P. R. China
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14
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Xu X, Luo C, Zhao H, Pan Y, Zhang X, Li J, Xu L, Lei M, Walsh PJ. Rhodium(III)-Catalyzed C-H Bond Functionalization of 2-Pyridones with Alkynes: Switchable Alkenylation, Alkenylation/Directing Group Migration and Rollover Annulation. Chemistry 2021; 27:8811-8821. [PMID: 33871117 DOI: 10.1002/chem.202101074] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Indexed: 12/26/2022]
Abstract
Cp*Rh(III)-catalyzed chelation-assisted direct C-H bond functionalization of 1-(2-pyridyl)-2-pyridones with internal alkynes that can be controlled to give three different products in good yields has been realized. Depending on the reaction conditions, solvents and additives, the reaction pathway can be switched between alkenylation, alkenylation/directing group migration and rollover annulation. These reaction manifolds allow divergent access to a variety of valuable C6-alkenylated 1-(2-pyridyl)-2-pyridones, (Z)-6-(1,2-diaryl-2-(pyridin-2-yl)vinyl)pyridin-2(1H)-ones and 10H-pyrido[1,2-a][1,8]naphthyridin-10-ones from the same starting materials. These protocols exhibit excellent regio- and stereoselectivity, broad substrate scope, and good tolerance of functional groups. A combination of experimental and computational approaches have been employed to uncover the key mechanistic features of these reactions.
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Affiliation(s)
- Xin Xu
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.,Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy, School of Pharmacy, Xuzhou Medical University, Xuzhou, 221004, China
| | - Chenguang Luo
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Haoqiang Zhao
- Department of Chemistry, Renmin University of China, Beijing, 100872, China.,Roy and Diana Vagelos Laboratories, Penn/Merck Laboratory for High-Throughput Experimentation, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania, 19104-6323, USA
| | - Yixiao Pan
- Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Xin Zhang
- Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Jiajie Li
- Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Lijin Xu
- Department of Chemistry, Renmin University of China, Beijing, 100872, China
| | - Ming Lei
- State Key Laboratory of Chemical Resource Engineering, Institute of Computational Chemistry, College of Chemistry, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Patrick J Walsh
- Roy and Diana Vagelos Laboratories, Penn/Merck Laboratory for High-Throughput Experimentation, Department of Chemistry, University of Pennsylvania, 231 South 34th Street, Philadelphia, Pennsylvania, 19104-6323, USA
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15
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Cui Y, Bai D, Liu B, Chang J, Li X. Rh(iii)-Catalyzed acylation of heteroarenes with cyclobutenones via C-H/C-C bond activation. Chem Commun (Camb) 2020; 56:15631-15634. [PMID: 33283807 DOI: 10.1039/d0cc05965j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Rhodium(iii)-catalyzed C-H acylation of heteroarenes has been realized using cyclobutenones as an acylating reagent. This coupling proceeded via integration of C-H activation of heteroarenes and C-C cleavage of cyclobutenones. The reaction features excellent regio/chemoselectivity leading to versatile chalcones with exclusive E-selectivity.
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Affiliation(s)
- Yixin Cui
- Henan Key Laboratory of Organic Functional Molecule and Drug Innovation, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China.
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16
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Confair DN, Greenwood NS, Mercado BQ, Ellman JA. Rh(III)-Catalyzed Imidoyl C-H Carbamylation and Cyclization to Bicyclic [1,3,5]Triazinones. Org Lett 2020; 22:8993-8997. [PMID: 33172274 DOI: 10.1021/acs.orglett.0c03393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A Rh(III)-catalyzed synthesis of bicyclic [1,3,5]triazinones from a diverse array of imines coupled with ethyl (pivaloyloxy)carbamate is reported. The preparation of [5,6]- and [6,6]-bicyclic heterocycles substituted with aryl, alkyl, and alkoxy groups demonstrated a broad reaction scope. The efficiency of this approach was further enhanced with the development of a three-component variant featuring in situ imine formation. X-ray crystallographic characterization of a rhodacycle formed by imidoyl C-H activation provides support for the proposed mechanism.
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Affiliation(s)
- Danielle N Confair
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Nathaniel S Greenwood
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Brandon Q Mercado
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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17
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Carral-Menoyo A, Sotomayor N, Lete E. Cp*Co(III)-Catalyzed C-H Hydroarylation of Alkynes and Alkenes and Beyond: A Versatile Synthetic Tool. ACS OMEGA 2020; 5:24974-24993. [PMID: 33043175 PMCID: PMC7542607 DOI: 10.1021/acsomega.0c03639] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 09/02/2020] [Indexed: 05/03/2023]
Abstract
The use of earth-abundant first-row transition metals, such as cobalt, in C-H activation reactions for the construction and functionalization of a wide variety of structures has become a central topic in synthetic chemistry over the last few years. In this context, the emergence of cobalt catalysts bearing pentamethylcyclopentadienyl ligands (Cp*) has had a major impact on the development of synthetic methodologies. Cp*Co(III) complexes have been proven to possess unique reactivity compared, for example, to their Rh(III) counterparts, obtaining improved chemo- or regioselectivities, as well as yielding new reactivities. This perspective is focused on recent advances on the alkylation and alkenylation reactions of (hetero)arenes with alkenes and alkynes under Cp*Co(III) catalysis.
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18
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van Vliet KM, de Bruin B. Dioxazolones: Stable Substrates for the Catalytic Transfer of Acyl Nitrenes. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00961] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kaj M. van Vliet
- Van ’t Hoff Institute for Molecular Sciences (HIMS), Faculty of Science, University of Amsterdam (UvA), Science Park 904, 1098 XH Amsterdam, The Netherlands
| | - Bas de Bruin
- Van ’t Hoff Institute for Molecular Sciences (HIMS), Faculty of Science, University of Amsterdam (UvA), Science Park 904, 1098 XH Amsterdam, The Netherlands
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19
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Affiliation(s)
- Ju Wang
- College of Pharmaceutical Science and Institute of Drug Development & Chemical Biology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
| | - Chen-Fu Liu
- School of Pharmaceutical Sciences; Gannan Medical University; 341000 Ganzhou P. R. China
| | - Quan Zheng
- College of Pharmaceutical Science and Institute of Drug Development & Chemical Biology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
| | - Guo-Wu Rao
- College of Pharmaceutical Science and Institute of Drug Development & Chemical Biology; Zhejiang University of Technology; 310014 Hangzhou P. R. China
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20
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Xavier T, Rayapin C, Le Gall E, Presset M. Multicomponent Aromatic and Benzylic Mannich Reactions through C-H Bond Activation. Chemistry 2019; 25:13824-13828. [PMID: 31411357 DOI: 10.1002/chem.201903414] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Revised: 08/13/2019] [Indexed: 12/19/2022]
Abstract
Multicomponent Mannich reactions through C-H bond activation are described. These transformations allowed for the straightforward generation of densely substituted benzylic and homo-benzylic amines in good yields. The reaction involves a reaction between two transient species: an organometallic species, generated by transition-metal-catalyzed sp2 or sp3 C-H bond activation and an in situ generated imine. The use of an acetal as an aldehyde surrogate was found essential for the reaction to proceed. The process could be successfully applied to RhIII -catalyzed sp2 C-H bond functionalization and extended to CuII -catalyzed sp3 C-H bond functionalization.
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Affiliation(s)
- Tania Xavier
- Électrochimie et Synthèse Organique, Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC, 2-8 rue Henri Dunant, 94320, Thiais, France
| | - Corinne Rayapin
- Électrochimie et Synthèse Organique, Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC, 2-8 rue Henri Dunant, 94320, Thiais, France
| | - Erwan Le Gall
- Électrochimie et Synthèse Organique, Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC, 2-8 rue Henri Dunant, 94320, Thiais, France
| | - Marc Presset
- Électrochimie et Synthèse Organique, Université Paris Est, ICMPE (UMR 7182), CNRS, UPEC, 2-8 rue Henri Dunant, 94320, Thiais, France
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21
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Schönbauer D, Spettel M, Pollice R, Pittenauer E, Schnürch M. Investigations of the generality of quaternary ammonium salts as alkylating agents in direct C-H alkylation reactions: solid alternatives for gaseous olefins. Org Biomol Chem 2019; 17:4024-4030. [PMID: 30949657 DOI: 10.1039/c9ob00243j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
C-H alkylation reactions using short chain olefins as alkylating agents could be operationally simplified on the lab scale by using quaternary ammonium salts as precursors for these gaseous reagents: Hofmann elimination delivers in situ the desired alkenes with the advantage that the alkene concentration in the liquid phase is high. In case a catalytic system did not tolerate the conditions for Hofmann elimination, a very simple spatial separation of both reactions, Hofmann elimination and direct alkylation, was achieved to circumvent possible side reactions or catalyst deactivation. Additionally, the truly catalytically active species of a rhodium(i) mediated alkylation reaction could be identified by using this approach.
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Affiliation(s)
- David Schönbauer
- Institute of Applied Synthetic Chemistry, TU Wien, Getreidemarkt 9/163, 1060 Wien, Austria.
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22
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Yoshino T, Matsunaga S. Unique Reactivity of High-valent Cobalt Catalysis in C-H Functionalization and Development of Catalytic Asymmetric C-H Functionalization Reactions. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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23
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Rhodium-catalyzed C H activation/cyclization of enaminones with sulfoxonium ylides toward polysubstituted naphthalenes. Tetrahedron Lett 2019. [DOI: 10.1016/j.tetlet.2019.01.051] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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24
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Miura H, Kimura Y, Terajima S, Shishido T. Ruthenium-Catalyzed Synthesis of Isoindolinones via Amide-Directed Addition of Aromatic C-H Bonds to Aldimines. European J Org Chem 2019. [DOI: 10.1002/ejoc.201801755] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Hiroki Miura
- Department of Applied Chemistry for Environment; Graduate School of Urban Environmental Sciences; Tokyo Metropolitan University; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
- Research Center for Hydrogen Energy-based Society; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
- Elements Strategy Initiative for Catalysts & Batteries; Kyoto University; 1-30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
| | - Yuriko Kimura
- Department of Applied Chemistry for Environment; Graduate School of Urban Environmental Sciences; Tokyo Metropolitan University; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
| | - Sachie Terajima
- Department of Applied Chemistry for Environment; Graduate School of Urban Environmental Sciences; Tokyo Metropolitan University; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
| | - Tetsuya Shishido
- Department of Applied Chemistry for Environment; Graduate School of Urban Environmental Sciences; Tokyo Metropolitan University; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
- Research Center for Hydrogen Energy-based Society; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
- Research Center for Gold Chemistry; Minami-Osawa, Hachioji Tokyo 192-0397 Japan
- Elements Strategy Initiative for Catalysts & Batteries; Kyoto University; 1-30 Goryo-Ohara, Nishikyo-ku Kyoto 615-8245 Japan
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25
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Lin C, Shen L. Co-catalyzed ortho-C–H functionalization/annulation of arenes and alkenes with alkynylsilanes: access to isoquinolone and pyridone motifs. RSC Adv 2019; 9:30650-30654. [PMID: 35529370 PMCID: PMC9072155 DOI: 10.1039/c9ra06963a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 09/19/2019] [Indexed: 12/12/2022] Open
Abstract
A method for cobalt-catalyzed ortho-C–H functionalization annulation of arenes and alkenes with alkynylsilanes assisted by 8-aminoquinolyl auxiliary has been described. Alkynylsilanes were employed as the coupling partners to react with a broad range of benzamides and acrylamides, affording the corresponding isoquinolone and pyridone derivatives in moderate to high yields. It is worth noting that the silyl group in the final products can be retained or removed by switching the reaction conditions. A method for cobalt-catalyzed ortho-C–H functionalization annulation of arenes and alkenes with alkynylsilanes assisted by 8-aminoquinolyl auxiliary.![]()
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Affiliation(s)
- Cong Lin
- College of Chemistry and Chemical Engineering
- Jiangxi Science & Technology Normal University
- Nanchang 330013
- China
- Jiangxi Engineering Laboratory of Waterborne Coatings
| | - Liang Shen
- College of Chemistry and Chemical Engineering
- Jiangxi Science & Technology Normal University
- Nanchang 330013
- China
- Jiangxi Engineering Laboratory of Waterborne Coatings
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26
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Gandeepan P, Müller T, Zell D, Cera G, Warratz S, Ackermann L. 3d Transition Metals for C-H Activation. Chem Rev 2018; 119:2192-2452. [PMID: 30480438 DOI: 10.1021/acs.chemrev.8b00507] [Citation(s) in RCA: 1396] [Impact Index Per Article: 232.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
C-H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the vast majority of these C-H functionalizations required precious 4d or 5d transition metal catalysts. Given the cost-effective and sustainable nature of earth-abundant first row transition metals, the development of less toxic, inexpensive 3d metal catalysts for C-H activation has gained considerable recent momentum as a significantly more environmentally-benign and economically-attractive alternative. Herein, we provide a comprehensive overview on first row transition metal catalysts for C-H activation until summer 2018.
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Affiliation(s)
- Parthasarathy Gandeepan
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Thomas Müller
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Daniel Zell
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Gianpiero Cera
- Institut für Organische und Biomolekulare Chemie , Georg-August-Universität Göttingen , Tammannstraße 2 , 37077 Göttingen , Germany
| | - Svenja Warratz
- 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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27
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Kenny A, Pisarello A, Bird A, Chirila PG, Hamilton A, Whiteoak CJ. A challenging redox neutral Cp*Co(III)-catalysed alkylation of acetanilides with 3-buten-2-one: synthesis and key insights into the mechanism through DFT calculations. Beilstein J Org Chem 2018; 14:2366-2374. [PMID: 30254701 PMCID: PMC6142744 DOI: 10.3762/bjoc.14.212] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Accepted: 08/23/2018] [Indexed: 11/23/2022] Open
Abstract
Traditional, established palladium cross-coupling procedures are widely applied in complex molecule synthesis; however, there is a significant disadvantage in the requirement for pre-functionalised substrates (commonly halides/triflates). Direct C–H activation protocols provide the opportunity for a novel approach to synthesis, although this field is still in its relative infancy and often transferability between substrate classes remains unresolved and limitations not fully understood. This study focuses on the translation of an established Cp*Co(III)-catalysed alkylation of benzamides to related acetanilides using 3-buten-2-one as coupling partner. The developed procedure provides a wide substrate scope in terms of substituted acetanilides, although the optimised conditions were found to be more forcing than those for the corresponding benzamide substrates. Interestingly, density functional theory (DFT) studies reveal that the major impediment in the mechanism is not the C–H activation step, but instead and unexpectedly, effective competition with more stable compounds (resting states) not involved in the catalytic cycle.
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Affiliation(s)
- Andrew Kenny
- Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, United Kingdom
| | - Alba Pisarello
- Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, United Kingdom
| | - Arron Bird
- Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, United Kingdom
| | - Paula G Chirila
- Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, United Kingdom
| | - Alex Hamilton
- Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, United Kingdom
| | - Christopher J Whiteoak
- Department of Biosciences and Chemistry, Sheffield Hallam University, Sheffield, S1 1WB, United Kingdom
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28
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Zhang L, Zhu L, Zhang Y, Yang Y, Wu Y, Ma W, Lan Y, You J. Experimental and Theoretical Studies on Ru(II)-Catalyzed Oxidative C–H/C–H Coupling of Phenols with Aromatic Amides Using Air as Oxidant: Scope, Synthetic Applications, and Mechanistic Insights. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02816] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Luoqiang Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Lei Zhu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
| | - Yuming Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yudong Yang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yimin Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Weixin Ma
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China
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29
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Sanjosé-Orduna J, Sarria Toro JM, Pérez-Temprano MH. HFIP-Assisted C−H Functionalization by Cp*CoIII
: Access to Key Reactive Cobaltacycles and Implication in Catalysis. Angew Chem Int Ed Engl 2018; 57:11369-11373. [DOI: 10.1002/anie.201806847] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/05/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Jesús Sanjosé-Orduna
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology (BIST); Avgda. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Analítica i Química Orgànica; Universitat Rovira i Virgili; 43007 Tarragona Spain
| | - Juan Manuel Sarria Toro
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology (BIST); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Mónica H. Pérez-Temprano
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology (BIST); Avgda. Països Catalans 16 43007 Tarragona Spain
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30
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Sanjosé-Orduna J, Sarria Toro JM, Pérez-Temprano MH. HFIP-Assisted C−H Functionalization by Cp*CoIII
: Access to Key Reactive Cobaltacycles and Implication in Catalysis. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201806847] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Jesús Sanjosé-Orduna
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology (BIST); Avgda. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Analítica i Química Orgànica; Universitat Rovira i Virgili; 43007 Tarragona Spain
| | - Juan Manuel Sarria Toro
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology (BIST); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Mónica H. Pérez-Temprano
- Institute of Chemical Research of Catalonia (ICIQ); The Barcelona Institute of Science and Technology (BIST); Avgda. Països Catalans 16 43007 Tarragona Spain
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31
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Wang S, Chen SY, Yu XQ. C-H functionalization by high-valent Cp*Co(iii) catalysis. Chem Commun (Camb) 2018; 53:3165-3180. [PMID: 28261721 DOI: 10.1039/c6cc09651d] [Citation(s) in RCA: 190] [Impact Index Per Article: 31.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Significant progress has been accomplished in directed C-H functionalization through the use of earth-abundant and inexpensive first-row transition metals. Among these base metals, Co is especially attractive in view of its versatile applications in C-H functionalization, in both low- and high-valent states. In this vein, catalytic Co(iii) species can be generated from the dissociation of a Cp*Co(iii) catalyst or through the oxidation of a low-valent cobalt catalyst in the presence of an oxidant. In this feature article, we will discuss the breakthroughs in Cp*Co(iii)-promoted C-H functionalization. In this field, C(sp2)-H functionalization has been extensively studied and developed. In contrast, few C(sp3)-H functionalization reactions have been reported.
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Affiliation(s)
- Shan Wang
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China.
| | - Shan-Yong Chen
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China.
| | - Xiao-Qi Yu
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, College of Chemistry, Sichuan University, Chengdu, 610064, P. R. China.
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32
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Liang YF, Massignan L, Ackermann L. Sustainable Manganese-Catalyzed C−H Activation/Hydroarylation of Imines. ChemCatChem 2018. [DOI: 10.1002/cctc.201800144] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yu-Feng Liang
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Leonardo Massignan
- 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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33
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Lin C, Chen Z, Liu Z, Zhang Y. Direct ortho
-Acyloxylation of Arenes and Alkenes by Cobalt Catalysis. Adv Synth Catal 2018. [DOI: 10.1002/adsc.201701144] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Cong Lin
- Department of Chemistry, ZJU-NHU United R&D Center; Zhejiang University; Hangzhou 310027 People's Republic of China,
| | - Zhengkai Chen
- Department of Chemistry; Zhejiang Sci-Tech University; Hangzhou 310018 People's Republic of China
| | - Zhanxiang Liu
- Department of Chemistry, ZJU-NHU United R&D Center; Zhejiang University; Hangzhou 310027 People's Republic of China,
| | - Yuhong Zhang
- Department of Chemistry, ZJU-NHU United R&D Center; Zhejiang University; Hangzhou 310027 People's Republic of China,
- State Key Laboratory of Applied Organic Chemistry; Lanzhou University; Lanzhou 730000 People's Republic of China
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34
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Chu X, Zhang S, Wang Z, Li T, Zhu B. Aromatic alkyne insertion into six-membered cyclometalated pyridine complexes of iridium: different insertion modes and structurally novel products. RSC Adv 2018; 8:7164-7172. [PMID: 35540324 PMCID: PMC9078379 DOI: 10.1039/c7ra13547e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 02/07/2018] [Indexed: 01/10/2023] Open
Abstract
Reactions of 2-benzoylpyridine or 2-benzylpyridine with [Cp*MCl2]2 (M = Ir, Rh) have been carried out in the presence of NaOAc in refluxing methanol, which form the corresponding six-membered cyclometalated products (1–3) except for the reaction of 2-benzylpyridine with [Cp*RhCl2]2. Insertion reactions of two six-membered cyclometalated pyridine iridium complexes (1 and 2) with terminal or internal aromatic alkynes were studied. Terminal alkynes p-XC6H4C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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CH (X = H, MeO, and F) with 1 give the corresponding five- and seven-membered doubly cycloiridated complexes 4a–c, internal alkynes p-XC6H4CCC6H4X-p (X = H, MeO, and Br) form the similar five- and seven-membered doubly cycloiridated complexes (5a,b) and/or di-insertion products (6a,c), whereas the acyl alkyne PhCCCOPh affords the novel spiro-metalated complex 7. For complex 2, internal alkynes p-XC6H4CCC6H4X-p (X = H, MeO, and Br) form similar five- and seven-membered doubly cycloiridated complexes (8a–c). However, in the case of PhCCCOPh, the reaction gives the novel four-membered cyclometalated complex 9. These results suggest that the products formed by alkyne insertion reactions of the six-membered cycloiridated pyridine complexes are very diverse. Plausible pathways for the formation of these novel insertion products were proposed. Molecular structures of seven cyclometalated complexes were determined by X-ray diffraction. Insertion reactions of aromatic alkynes into the Ir–C bond of six-membered cycloiridated complexes formed various novel products via different insertion modes.![]()
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Affiliation(s)
- Xiaodan Chu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Key Laboratory of Inorganic–Organic Hybrid Functional Material Chemistry
- Ministry of Education
- College of Chemistry
- Tianjin Normal University
| | - Shaowei Zhang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Key Laboratory of Inorganic–Organic Hybrid Functional Material Chemistry
- Ministry of Education
- College of Chemistry
- Tianjin Normal University
| | - Zhuo Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Key Laboratory of Inorganic–Organic Hybrid Functional Material Chemistry
- Ministry of Education
- College of Chemistry
- Tianjin Normal University
| | - Tongyu Li
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Key Laboratory of Inorganic–Organic Hybrid Functional Material Chemistry
- Ministry of Education
- College of Chemistry
- Tianjin Normal University
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules
- Key Laboratory of Inorganic–Organic Hybrid Functional Material Chemistry
- Ministry of Education
- College of Chemistry
- Tianjin Normal University
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35
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Aromatic C-H addition of ketones to imines enabled by manganese catalysis. Nat Commun 2017; 8:1169. [PMID: 29079807 PMCID: PMC5660118 DOI: 10.1038/s41467-017-01262-4] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2017] [Accepted: 08/31/2017] [Indexed: 11/08/2022] Open
Abstract
Selectivity control of varied C–H bonds in a complex molecule is a long-standing goal and still a great challenge in C–H activation field. Most often, such selectivity is achieved by the innate reactivity of different C–H bonds. In this context, the classic Mannich reaction of acetophenone derivatives and imines is ascribed to the more reactive C(sp3)–H bonds α to the carbonyl, with the much less reactive aromatic C(sp2)–H bonds remaining intact. Herein we report an aromatic C(sp2)–H addition of ketones to imines enabled by manganese catalysis, which totally reverses the innate reactivity of C–H bonds α to the carbonyl and those on the aromatic ring. Diverse products of ortho-C–H aminoalkylated ketones, cyclized exo-olefinic isoindolines, and three-component methylated isoindolines can be successfully accessed under mild reaction conditions, which significantly expands the synthetic utilities of ketones as simple bulk chemicals. The Mannich reaction proceeds by functionalization of C(sp3)-H bonds alpha to carbonyls. Here, the authors suppress the Mannich reactivity of acetophenones in presence of a manganese catalyst and obtain valuable o-aminoalkylacetophenones and isoindolines via C(sp2)-H functionalization with imines.
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36
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Hernández JG. C−H Bond Functionalization by Mechanochemistry. Chemistry 2017; 23:17157-17165. [DOI: 10.1002/chem.201703605] [Citation(s) in RCA: 97] [Impact Index Per Article: 13.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2017] [Indexed: 11/12/2022]
Affiliation(s)
- José G. Hernández
- Institute of Organic Chemistry; RWTH Aachen University; Landoltweg 1 52074 Aachen Germany
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37
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Mita T, Hanagata S, Michigami K, Sato Y. Co-Catalyzed Direct Addition of Allylic C(sp3)–H Bonds to Ketones. Org Lett 2017; 19:5876-5879. [DOI: 10.1021/acs.orglett.7b02871] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tsuyoshi Mita
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Satoshi Hanagata
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Kenichi Michigami
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
| | - Yoshihiro Sato
- Faculty of Pharmaceutical Sciences, Hokkaido University, Sapporo 060-0812, Japan
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38
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Barday M, Janot C, Halcovitch NR, Muir J, Aïssa C. Cross-Coupling of α-Carbonyl Sulfoxonium Ylides with C-H Bonds. Angew Chem Int Ed Engl 2017; 56:13117-13121. [PMID: 28853234 DOI: 10.1002/anie.201706804] [Citation(s) in RCA: 180] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 08/08/2017] [Indexed: 11/10/2022]
Abstract
The functionalization of carbon-hydrogen bonds in non-nucleophilic substrates using α-carbonyl sulfoxonium ylides has not been so far investigated, despite the potential safety advantages that such reagents would provide over either diazo compounds or their in situ precursors. Described herein are the cross-coupling reactions of sulfoxonium ylides with C(sp2 )-H bonds of arenes and heteroarenes in the presence of a rhodium catalyst. The reaction proceeds by a succession of C-H activation, migratory insertion of the ylide into the carbon-metal bond, and protodemetalation, the last step being turnover-limiting. The method is applied to the synthesis of benz[c]acridines when allied to an iridium-catalyzed dehydrative cyclization.
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Affiliation(s)
- Manuel Barday
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK
| | - Christopher Janot
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK
| | - Nathan R Halcovitch
- Department of Chemistry, Lancaster University, Bailrigg, Lancaster, LA1 4YB, UK
| | - James Muir
- Pharmaceutical Technology and Development, AstraZeneca R&D, Silk Road Business Park, Charter Way, Macclesfield, Cheshire, SK10 2NA, UK
| | - Christophe Aïssa
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK
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39
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40
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Hummel JR, Ellman JA. Convergent Synthesis of α-Branched Amines by Transition-Metal-Catalyzed C-H Bond Additions to Imines. Isr J Chem 2017; 57:916-931. [PMID: 29332949 DOI: 10.1002/ijch.201700021] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
α-Branched amines are ubiquitous in drugs and natural products, and consequently, synthetic methods that provide convergent and efficient entry to these structures are of considerable value. Transition-metal-catalyzed C-H bond additions to imines have the potential to be highly practical and atom-economic approaches for the synthesis of a diverse and complex array of α-branched amine products. These strategies typically employ readily available starting inputs, display high functional group compatibility, and often avoid the production of stoichiometric waste byproducts. A number of C-H functionalization methods have also been developed that incorporate cascade cyclization pathways to give amine-substituted carbocycles, and in many cases, proceed with the formation of multiple stereogenic centers. Advances in the area of asymmetric C-H bond additions to imines have also been achieved through the use of chiral imine N-substituents as well as by enantioselective catalysis.
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Affiliation(s)
- Joshua R Hummel
- Department of Chemistry, Yale University, New Haven, CT 06520 8107 (USA)
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, New Haven, CT 06520 8107 (USA)
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41
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Sanjosé-Orduna J, Gallego D, Garcia-Roca A, Martin E, Benet-Buchholz J, Pérez-Temprano MH. Capturing Elusive Cobaltacycle Intermediates: A Real-Time Snapshot of the Cp*CoIII
-Catalyzed Oxidative Alkyne Annulation. Angew Chem Int Ed Engl 2017; 56:12137-12141. [DOI: 10.1002/anie.201704744] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2017] [Revised: 06/01/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Jesús Sanjosé-Orduna
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Daniel Gallego
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Alèria Garcia-Roca
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Eddy Martin
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Jordi Benet-Buchholz
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Mónica H. Pérez-Temprano
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
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42
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Sanjosé-Orduna J, Gallego D, Garcia-Roca A, Martin E, Benet-Buchholz J, Pérez-Temprano MH. Capturing Elusive Cobaltacycle Intermediates: A Real-Time Snapshot of the Cp*CoIII
-Catalyzed Oxidative Alkyne Annulation. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201704744] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Jesús Sanjosé-Orduna
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Daniel Gallego
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Alèria Garcia-Roca
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Eddy Martin
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Jordi Benet-Buchholz
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
| | - Mónica H. Pérez-Temprano
- Institute of Chemical Research of Catalonia (ICIQ); Avgda. Països Catalans 16 43007 Tarragona Spain
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43
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Yoshino T, Matsunaga S. (Pentamethylcyclopentadienyl)cobalt(III)-Catalyzed C-H Bond Functionalization: From Discovery to Unique Reactivity and Selectivity. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201700042] [Citation(s) in RCA: 356] [Impact Index Per Article: 50.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences; Hokkaido University; Sapporo 060-0812 Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences; Hokkaido University; Sapporo 060-0812 Japan
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44
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Chen X, Yang S, Li H, Wang B, Song G. Enantioselective C–H Annulation of Indoles with Diazo Compounds through a Chiral Rh(III) Catalyst. ACS Catal 2017. [DOI: 10.1021/acscatal.7b00104] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Xiaohong Chen
- Beijing Key Laboratory of
Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
| | - Shujing Yang
- Beijing Key Laboratory of
Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
| | - Helong Li
- Beijing Key Laboratory of
Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
| | - Bo Wang
- Beijing Key Laboratory of
Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
| | - Guoyong Song
- Beijing Key Laboratory of
Lignocellulosic Chemistry, Beijing Forestry University, Beijing 100083, China
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45
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Zhang T, Qi X, Liu S, Bai R, Liu C, Lan Y. Computational Investigation of the Role Played by Rhodium(V) in the Rhodium(III)-Catalyzed ortho
-Bromination of Arenes. Chemistry 2017; 23:2690-2699. [DOI: 10.1002/chem.201605188] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2016] [Indexed: 01/13/2023]
Affiliation(s)
- Tao Zhang
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Xiaotian Qi
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Song Liu
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Ruopeng Bai
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
| | - Chao Liu
- State Key Laboratory for Oxo Synthesis and Selective Oxidation; Suzhou Research Institute of LICP; Lanzhou Institute of Chemical Physics (LICP); Chinese Academy of Sciences; Lanzhou P.R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering; Chongqing University; Chongqing 400030 P.R. China
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46
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High-Valent Cobalt-Catalyzed C H Bond Functionalization. ADVANCES IN ORGANOMETALLIC CHEMISTRY 2017. [DOI: 10.1016/bs.adomc.2017.07.002] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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47
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Hummel JR, Boerth JA, Ellman JA. Transition-Metal-Catalyzed C-H Bond Addition to Carbonyls, Imines, and Related Polarized π Bonds. Chem Rev 2016; 117:9163-9227. [PMID: 27936637 DOI: 10.1021/acs.chemrev.6b00661] [Citation(s) in RCA: 546] [Impact Index Per Article: 68.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The transition-metal-catalyzed addition of C-H bonds to carbonyls, imines, and related polarized π bonds has emerged as a particularly efficient and powerful approach for the construction of an incredibly diverse array of heteroatom-substituted products. Readily available and stable inputs are typically employed, and reactions often proceed with very high functional group compatibility and without the production of waste byproducts. Additionally, many transition-metal-catalyzed C-H bond additions to polarized π bonds occur within cascade reaction sequences to provide rapid access to a diverse array of different heterocyclic as well as carbocyclic products. This review highlights the diversity of transformations that have been achieved, catalysts that have been used, and types of products that have been prepared through the transition-metal-catalyzed addition of C-H bonds to carbonyls, imines, and related polarized π bonds.
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Affiliation(s)
- Joshua R Hummel
- Department of Chemistry, Yale University , 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Jeffrey A Boerth
- Department of Chemistry, Yale University , 225 Prospect Street, New Haven, Connecticut 06520, United States
| | - Jonathan A Ellman
- Department of Chemistry, Yale University , 225 Prospect Street, New Haven, Connecticut 06520, United States
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48
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Lopez MJ, Kondo A, Nagae H, Yamamoto K, Tsurugi H, Mashima K. C(sp3)–H Alkenylation Catalyzed by Cationic Alkylhafnium Complexes: Stereoselective Synthesis of Trisubstituted Alkenes from 2,6-Dimethylpyridines and Internal Alkynes. Organometallics 2016. [DOI: 10.1021/acs.organomet.6b00655] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Michael J. Lopez
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Ai Kondo
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Haruki Nagae
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Koji Yamamoto
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Hayato Tsurugi
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Kazushi Mashima
- Department of Chemistry,
Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
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49
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Zhang YF, Wu B, Shi ZJ. Ir-Catalyzed C−H Amidation of Aldehydes with Stoichiometric/Catalytic Directing Group. Chemistry 2016; 22:17808-17812. [DOI: 10.1002/chem.201603805] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Indexed: 12/16/2022]
Affiliation(s)
- Yun-Fei Zhang
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry and Molecular Engineering and Green Chemistry Center; Peking University; Beijing 100871 P.R. China
| | - Bin Wu
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry and Molecular Engineering and Green Chemistry Center; Peking University; Beijing 100871 P.R. China
| | - Zhang-Jie Shi
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education; College of Chemistry and Molecular Engineering and Green Chemistry Center; Peking University; Beijing 100871 P.R. China
- State Key Laboratory of Organometallic Chemistry; Chinese Academy of Sciences; Shanghai 200032 P. R. China
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50
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Reddy MD, Fronczek FR, Watkins EB. Rh-Catalyzed, Regioselective, C–H Bond Functionalization: Access to Quinoline-Branched Amines and Dimers. Org Lett 2016; 18:5620-5623. [DOI: 10.1021/acs.orglett.6b02848] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- M. Damoder Reddy
- Department
of Pharmaceutical Sciences, School of Pharmacy, Union University, 1050
Union University Drive, Jackson, Tennessee 38305, United States
| | - Frank R. Fronczek
- Department
of Chemistry, Louisiana State University, 608 Choppin Hall, Baton Rouge, Louisiana 70803, United States
| | - E. Blake Watkins
- Department
of Pharmaceutical Sciences, School of Pharmacy, Union University, 1050
Union University Drive, Jackson, Tennessee 38305, United States
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