1
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Li W, Wang R, Li Z, Chen J, Zhang Y, Lv N. Convergent synthesis of triarylamines via Ni-catalyzed dual C(sp 2)-H amination from benzamides with benzohydroxamic acids. Chem Commun (Camb) 2023; 59:4360-4363. [PMID: 36946231 DOI: 10.1039/d3cc00165b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
An unprecedented method of nickel-catalyzed dual C(sp2)-H amination of N-quinolylbenzamides with benzohydroxamic acids is developed to access triarylamines in one pot. For the first time, broad-spectrum hydroxylamine is employed as an amino source for C-H amination, featuring good chemo-selectivity and functional group tolerance. Furthermore, the catalytic system could be further extended to N-(pivaloyloxy)benzamide, dioxazolone, isocyanate and aniline for C-H amination.
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Affiliation(s)
- Wenwei Li
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Ruxue Wang
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Zhefeng Li
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Jiuxi Chen
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
| | - Yuhong Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
| | - Ningning Lv
- College of Chemistry & Materials Engineering, Wenzhou University, Wenzhou 325035, China.
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2
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Dhillon P, Anaspure P, Wiklander JG, Kathiravan S, Nicholls IA. Diyne-steered switchable regioselectivity in cobalt(II)-catalysed C(sp 2)-H activation of amides with unsymmetrical 1,3-diynes. Org Biomol Chem 2023; 21:1942-1951. [PMID: 36753336 DOI: 10.1039/d2ob02193e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
The regiochemical outcome of a cobalt(II) catalysed C-H activation reaction of aminoquinoline benzamides with unsymmetrical 1,3-diynes under relatively mild reaction conditions can be steered through the choice of diyne. The choice of diyne provides access to either 3- or 4-hydroxyalkyl isoquinolinones, paving the way for the synthesis of more highly elaborate isoquinolines.
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Affiliation(s)
- Prakriti Dhillon
- Bioorganic & Biophysical Chemistry Laboratory, Linnaeus University Centre for Biomaterials Chemistry, Department of Chemistry & Biomedical Sciences, Linnaeus University, Kalmar SE-39182, Sweden.
| | - Prasad Anaspure
- Bioorganic & Biophysical Chemistry Laboratory, Linnaeus University Centre for Biomaterials Chemistry, Department of Chemistry & Biomedical Sciences, Linnaeus University, Kalmar SE-39182, Sweden.
| | - Jesper G Wiklander
- Bioorganic & Biophysical Chemistry Laboratory, Linnaeus University Centre for Biomaterials Chemistry, Department of Chemistry & Biomedical Sciences, Linnaeus University, Kalmar SE-39182, Sweden.
| | - Subban Kathiravan
- Bioorganic & Biophysical Chemistry Laboratory, Linnaeus University Centre for Biomaterials Chemistry, Department of Chemistry & Biomedical Sciences, Linnaeus University, Kalmar SE-39182, Sweden.
| | - Ian A Nicholls
- Bioorganic & Biophysical Chemistry Laboratory, Linnaeus University Centre for Biomaterials Chemistry, Department of Chemistry & Biomedical Sciences, Linnaeus University, Kalmar SE-39182, Sweden.
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3
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Tahara K, Takezaki S, Ozawa Y, Abe M. Synthesis of an Organometallic Alkyl-Co(III) Complex with Amidoquinoline Directing Groups via C(sp3)-H Activation and its UV-vis/NMR Spectroscopic, Crystallographic, DFT, and Electrochemical Studies. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2022. [DOI: 10.1246/bcsj.20210425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Keishiro Tahara
- Department of Material Science, Graduate School of Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Shun Takezaki
- Department of Material Science, Graduate School of Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Yoshiki Ozawa
- Department of Material Science, Graduate School of Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297, Japan
| | - Masaaki Abe
- Department of Material Science, Graduate School of Science, University of Hyogo, 3-2-1 Kouto, Kamigori, Ako, Hyogo 678-1297, Japan
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4
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Zhang H, Sun MC, Yang D, Li T, Song MP, Niu JL. Cobalt(II)-Catalyzed Activation of C(sp3)–H Bonds: Organic Oxidant Enabled Selective Functionalization. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05250] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- He Zhang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Meng-Chan Sun
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Dandan Yang
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Tong Li
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Mao-Ping Song
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Jun-Long Niu
- Green Catalysis Center, and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
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5
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Mandal R, Barsu N, Garai B, Das A, Perekalin D, Sundararaju B. Room-temperature C-H bond alkynylation by merging cobalt and photocatalysts. Chem Commun (Camb) 2021; 57:12167-12170. [PMID: 34726212 DOI: 10.1039/d1cc05263b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new protocol is developed for the mono- and bis-ortho-C-H alkynylation of easily accessible benzamide derivatives using alkynyl bromides at room temperature by merging cobalt and photocatalysts. The diverse reactivity of various alkynyl bromides towards the C-H alkynylation and competing C-H/N-H bond annulation reactions has been demonstrated to give the corresponding products in good yields with excellent functional group tolerance.
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Affiliation(s)
- Rajib Mandal
- Department of chemistry, Indian Institute of technology Kanpur, Kanpur, Uttar Pradesh, 208016, India.
| | - Nagaraju Barsu
- Department of chemistry, Indian Institute of technology Kanpur, Kanpur, Uttar Pradesh, 208016, India.
| | - Bholanath Garai
- Department of chemistry, Indian Institute of technology Kanpur, Kanpur, Uttar Pradesh, 208016, India.
| | - Abir Das
- Department of chemistry, Indian Institute of technology Kanpur, Kanpur, Uttar Pradesh, 208016, India.
| | - Dmitry Perekalin
- A.N. Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, 28 Vavilova str., Moscow, Russia
| | - Basker Sundararaju
- Department of chemistry, Indian Institute of technology Kanpur, Kanpur, Uttar Pradesh, 208016, India.
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6
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Wei J, Shao X, Zhao H, Yang H, Qiu S, Zhai H. Palladium-Catalyzed Arylation of C(sp 2)-H Bonds with 2-(1-Methylhydrazinyl)pyridine as the Bidentate Directing Group. ACS OMEGA 2021; 6:25151-25161. [PMID: 34632174 PMCID: PMC8495716 DOI: 10.1021/acsomega.1c02481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 09/16/2021] [Indexed: 06/13/2023]
Abstract
Palladium-catalyzed C(sp2)-H arylation of ortho C-H bonds involving 2-(1-methylhydrazinyl)pyridine (MHP) as the directing group has been investigated. The reaction proceeds smoothly under an air atmosphere to generate biaryl derivatives in an environmentally friendly manner while tolerating a wide range of functional groups. Notably, the directing group present in the product could be easily removed under mild reductive conditions.
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Affiliation(s)
- Jian Wei
- The
State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial
Key Laboratory of Nano-Micro Materials Research, School of Chemical
Biology and Biotechnology, Shenzhen Graduate
School of Peking University, Shenzhen 518055, China
| | - Xiaoru Shao
- The
State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial
Key Laboratory of Nano-Micro Materials Research, School of Chemical
Biology and Biotechnology, Shenzhen Graduate
School of Peking University, Shenzhen 518055, China
| | - Hua Zhao
- Institute
of Drug Discovery Technology, QianXuesen Collaborative Research Center
of Astrochemistry and Space Life Sciences, Ningbo University, Ningbo 315211, Zhejiang, China
| | - Hongjian Yang
- The
State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial
Key Laboratory of Nano-Micro Materials Research, School of Chemical
Biology and Biotechnology, Shenzhen Graduate
School of Peking University, Shenzhen 518055, China
| | - Shuxian Qiu
- The
State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial
Key Laboratory of Nano-Micro Materials Research, School of Chemical
Biology and Biotechnology, Shenzhen Graduate
School of Peking University, Shenzhen 518055, China
| | - Hongbin Zhai
- The
State Key Laboratory of Chemical Oncogenomics, Guangdong Provincial
Key Laboratory of Nano-Micro Materials Research, School of Chemical
Biology and Biotechnology, Shenzhen Graduate
School of Peking University, Shenzhen 518055, China
- Institute
of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
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7
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Murali K, Machado LA, Carvalho RL, Pedrosa LF, Mukherjee R, Da Silva Júnior EN, Maiti D. Decoding Directing Groups and Their Pivotal Role in C-H Activation. Chemistry 2021; 27:12453-12508. [PMID: 34038596 DOI: 10.1002/chem.202101004] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Indexed: 12/14/2022]
Abstract
Synthetic organic chemistry has witnessed a plethora of functionalization and defunctionalization strategies. In this regard, C-H functionalization has been at the forefront due to the multifarious applications in the development of simple to complex molecular architectures and holds a brilliant prospect in drug development and discovery. Despite been explored tremendously by chemists, this functionalization strategy still enjoys the employment of novel metal catalysts as well metal-free organic ligands. Moreover, the switch to photo- and electrochemistry has widened our understanding of the alternative pathways via which a reaction can proceed and these strategies have garnered prominence when applied to C-H activation. Synthetic chemists have been foraging for new directing groups and templates for the selective activation of C-H bonds from a myriad of carbon-hydrogen bonds in aromatic as well as aliphatic systems. As a matter of fact, by varying the templates and directing groups, scientists found the answer to the challenge of distal C-H bond activation which remained an obstacle for a very long time. These templates have been frequently harnessed for selectively activating C-H bonds of natural products, drugs, and macromolecules decorated with multiple C-H bonds. This itself was a challenge before the commencement of this field as functionalization of a site other than the targeted site could modify and hamper the biological activity of the pharmacophore. Total synthesis and pharmacophore development often faces the difficulty of superfluous reaction steps towards selective functionalization. This obstacle has been solved by late-stage functionalization simply by harnessing C-H bond activation. Moreover, green chemistry and metal-free reaction conditions have seen light in the past few decades due to the rising concern about environmental issues. Therefore, metal-free catalysts or the usage of non-toxic metals have been recently showcased in a number of elegant works. Also, research groups across the world are developing rational strategies for directing group free or non-directed protocols that are just guided by ligands. This review encapsulates the research works pertinent to C-H bond activation and discusses the science devoted to it at the fundamental level. This review gives the readers a broad understanding of how these strategies work, the execution of various metal catalysts, and directing groups. This not only helps a budding scientist towards the commencement of his/her research but also helps a matured mind searching out for selective functionalization. A detailed picture of this field and its progress with time has been portrayed in lucid scientific language with a motive to inculcate and educate scientific minds about this beautiful strategy with an overview of the most relevant and significant works of this era. The unique trait of this review is the detailed description and classification of various directing groups and their utility over a wide substrate scope. This allows an experimental chemist to understand the applicability of this domain and employ it over any targeted substrate.
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Affiliation(s)
- Karunanidhi Murali
- Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG, Brazil
| | - Luana A Machado
- Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG, Brazil.,Department of Chemistry, Fluminense Federal University, Niteroi, 24020-141, RJ, Brazil
| | - Renato L Carvalho
- Department of Chemistry, Federal University of Minas Gerais, Belo Horizonte, 31270-901, MG, Brazil
| | - Leandro F Pedrosa
- Department of Chemistry, Fluminense Federal University, Niteroi, 24020-141, RJ, Brazil
| | - Rishav Mukherjee
- Department of Chemistry IIT Bombay, Powai, Mumbai, 400076, India
| | | | - Debabrata Maiti
- Department of Chemistry IIT Bombay, Powai, Mumbai, 400076, India
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8
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Zeng Z, Goebel JF, Liu X, Gooßen LJ. 2,2′-Biaryldicarboxylate Synthesis via Electrocatalytic Dehydrogenative C–H/C–H Coupling of Benzoic Acids. ACS Catal 2021. [DOI: 10.1021/acscatal.1c01127] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Zhongyi Zeng
- Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany
| | - Jonas F. Goebel
- Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany
| | - Xianming Liu
- Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany
| | - Lukas J. Gooßen
- Fakultät Chemie und Biochemie, Ruhr Universität Bochum, Universitätsstr. 150, 44801 Bochum, Germany
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9
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Cobalt-catalyzed C H activation of N-carbamoyl indoles or benzamides with maleimides: Synthesis of imidazo[1,5-a]indole- or isoindolone-incorporated spirosuccinimides. Tetrahedron Lett 2021. [DOI: 10.1016/j.tetlet.2021.152872] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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10
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Bansal S, Shabade AB, Punji B. Advances in C(
sp
2
)−H/C(
sp
2
)−H Oxidative Coupling of (Hetero)arenes Using 3d Transition Metal Catalysts. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001498] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Sadhna Bansal
- Organometallic Synthesis and Catalysis Lab Chemical Engineering Division CSIR-National Chemical Laboratory (CSIR-NCL) Dr. Homi Bhabha Road Pune 411 008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Anand B. Shabade
- Organometallic Synthesis and Catalysis Lab Chemical Engineering Division CSIR-National Chemical Laboratory (CSIR-NCL) Dr. Homi Bhabha Road Pune 411 008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
| | - Benudhar Punji
- Organometallic Synthesis and Catalysis Lab Chemical Engineering Division CSIR-National Chemical Laboratory (CSIR-NCL) Dr. Homi Bhabha Road Pune 411 008 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201 002 India
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11
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Budnikova YH. Electrochemical Insight into Mechanisms and Metallocyclic Intermediates of C-H Functionalization. CHEM REC 2021; 21:2148-2163. [PMID: 33629800 DOI: 10.1002/tcr.202100009] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/09/2021] [Accepted: 02/10/2021] [Indexed: 12/19/2022]
Abstract
Transition metal-catalyzed C-H activation has emerged as a powerful tool in organic synthesis and electrosynthesis as well as in the development of new methodologies for producing fine chemicals. In order to achieve efficient and selective C-H functionalization, different strategies have been used to accelerate the C-H activation step, including the incorporation of directing groups in the substrate that facilitate coordination to the catalyst. In this review, we try to underscore that the understanding the mechanisms of the catalytic cycle and the reactivity or redox activity of the key metal cyclic intermediates in these reactions is the basis for controlling the selectivity of synthesis and electrosynthesis. Combination of the electrosynthesis and voltammetry with traditional synthetic and physico-chemical methods allows one to achieve selective transformation of C-H bonds to functionalized C-C or C-X (X=heteroatom or halogen) bonds which may encourage organic chemists to use it in the future more often. The possibilities and the benefits of electrochemical techniques are analyzed and summarized.
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Affiliation(s)
- Yulia H Budnikova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center of RAS, Arbuzov Str. 8, 420088, Kazan, Russia.,Kazan National Research Technological University, Karl Marx street, 68, 420015, Kazan, Russia
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12
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Mei C, Zhao M, Lu W. Equivalent Loading of Directed Arenes in Pd(II)-Catalyzed Oxidative Cross-Coupling of Aryl C-H Bonds at Room Temperature. J Org Chem 2021; 86:2714-2733. [PMID: 33443427 DOI: 10.1021/acs.joc.0c02722] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The unsymmetrical biaryls (Ar1-Ar2) produced by the catalytic cross-couplings of aryl halides (Ar1-halo) with aryl metallics (Ar2-M) in the loading ratio of 1:1 are popular in chemical synthesis. In contrast, there has been less precedence on the same biaryls produced effectively from two normal aryl C-H bonds with equivalent loading. Here, we report that, in a palladium/oxidant/acid catalytic system at room temperature, one arene (Ar1-H, 1 equiv) can highly selectively couple with the other one (Ar2-H, 1 equiv) to afford the target Ar1-Ar2 just by controlling the directing groups and the substituted groups on their phenyl rings. The utility of this one-one cross-coupling is also demonstrated by synthesis of a few bioactive molecules.
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Affiliation(s)
- Chong Mei
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Mengdi Zhao
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Wenjun Lu
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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13
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Carvalho RL, Almeida RG, Murali K, Machado LA, Pedrosa LF, Dolui P, Maiti D, da Silva Júnior EN. Removal and modification of directing groups used in metal-catalyzed C–H functionalization: the magical step of conversion into ‘conventional’ functional groups. Org Biomol Chem 2021; 19:525-547. [DOI: 10.1039/d0ob02232b] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This feature review is focused on recent approaches for removing versatile directing groups.
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Affiliation(s)
- Renato L. Carvalho
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Renata G. Almeida
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Karunanidhi Murali
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | - Luana A. Machado
- Institute of Exact Sciences
- Department of Chemistry
- Federal University of Minas Gerais
- Belo Horizonte
- Brazil
| | | | - Pravas Dolui
- Department of Chemistry
- IIT Bombay
- Mumbai 400076
- India
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14
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15
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Wang X, Chen Y, Song H, Liu Y, Wang Q. Construction of 2-(2-Arylphenyl)azoles via Cobalt-Catalyzed C-H/C-H Cross-Coupling Reactions and Evaluation of Their Antifungal Activity. Org Lett 2020; 22:9331-9336. [PMID: 33216554 DOI: 10.1021/acs.orglett.0c03551] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Although compounds with a 2-(2-arylphenyl) benzoxazole motif are biologically important, there are only a few methods for synthesizing them. Herein, we report an efficient method for synthesis of such compounds by means of cobalt-catalyzed C-H/C-H cross-coupling reactions. This method has a broad substrate scope and good tolerance for sensitive functional groups. In addition, we demonstrate that introducing a heteroarene moiety to biphenyl compounds enhanced their antifungal activity.
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Affiliation(s)
- Xinmou Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Yuming Chen
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Hongjian Song
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Yuxiu Liu
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China
| | - Qingmin Wang
- State Key Laboratory of Elemento-Organic Chemistry, Research Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, People's Republic of China.,Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300071, People's Republic of China
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16
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Mei R, Dhawa U, Samanta RC, Ma W, Wencel-Delord J, Ackermann L. Cobalt-Catalyzed Oxidative C-H Activation: Strategies and Concepts. CHEMSUSCHEM 2020; 13:3306-3356. [PMID: 32065843 DOI: 10.1002/cssc.202000024] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 02/14/2020] [Indexed: 06/10/2023]
Abstract
Inexpensive cobalt-catalyzed oxidative C-H functionalization has emerged as a powerful tool for the construction of C-C and C-Het bonds, which offers unique potential for transformative applications to modern organic synthesis. In the early stage, these transformations typically required stoichiometric and toxic transition metals as sacrificial oxidants; thus, the formation of metal-containing waste was inevitable. In contrast, naturally abundant molecular O2 has more recently been successfully employed as a green oxidant in cobalt catalysis, thus considerably improving the sustainability of such transformations. Recently, a significant momentum was gained by the use of electricity as a sustainable and environmentally benign redox reagent in cobalt-catalyzed C-H functionalization, thereby preventing the consumption of cost-intensive chemicals while at the same time addressing the considerable safety hazards related to the use of molecular oxygen in combination with flammable organic solvents. Considering the unparalleled potential of the aforementioned approaches for sustainable green synthesis, this Review summarizes the recent progress in cobalt-catalyzed oxidative C-H activation until early 2020.
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Affiliation(s)
- Ruhuai Mei
- College of Pharmacy and Biological Engineering, Chengdu University, Chengdu, 610106, P. R. China
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, 610052, P. R. China
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie, Georg-August Universität, Tammannstraße 2, 37077, Göttingen, Germany
| | - Ramesh C Samanta
- Institut für Organische und Biomolekulare Chemie, Georg-August Universität, Tammannstraße 2, 37077, Göttingen, Germany
| | - Wenbo Ma
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, Chengdu University, Chengdu, 610052, P. R. China
| | - Joanna Wencel-Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042), Université de Strasbourg/Université de Haute Alsace, ECPM, 25 Rue Becquerel, 67087, Strasbourg, France
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August Universität, Tammannstraße 2, 37077, Göttingen, Germany
- Department of Chemistry, University of Pavia, Viale Taramelli, 10, 27100, Pavia, Italy
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17
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Xu LP, Liu EELN, Bacsa J, MacBeth CE, Musaev DG. Mechanistic details of the cobalt-mediated dehydrogenative dimerization of aminoquinoline-directed benzamides. Chem Sci 2020; 11:6085-6096. [PMID: 32774827 PMCID: PMC7366830 DOI: 10.1039/d0sc02066d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Accepted: 05/16/2020] [Indexed: 02/04/2023] Open
Abstract
Key mechanistic features of the cobalt-mediated and aminoquinoline-directed dehydrogenative aryl-aryl coupling were investigated computationally and experimentally. A series of CoII and CoIII complexes relevant to the proposed reaction cycle have been synthesized and characterized. Stoichiometric reactions and electrochemical studies were used to probe the role of different additives in the reaction pathway. Computationally, three different mechanisms, such as charge neutral, anionic, and dimetallic were explored. It is shown that the mono-metallic anionic and charge neutral mechanisms are the most favorable ones, among which the former mechanism is slightly more encouraging and proceeds via the: (a) concerted-metalation-deprotonation (CMD) of the first benzamide C-H bond, (b) PivOH-to-PivO- rearrangement, (c) CMD of the second benzamide C-H bond, (d) C-C coupling, (e) product formation facilitated by the amide nitrogen re-protonation, and (f) catalyst regeneration. The rate-determining step of this multi-step process is the C-C coupling step. The computational studies suggest that the electronics of both the aryl-benzamide and pyridine fragments of the aminoquinoline-benzamide ligand control the efficiency of the reaction.
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Affiliation(s)
- Li-Ping Xu
- Cherry L. Emerson Center for Scientific Computation , Emory University , Atlanta , Georgia 30322 , USA .
- Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
- School of Chemistry and Chemical Engineering , Shandong University of Technology , Zibo , 255000 , China
| | - Elaine E L-N Liu
- Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
| | - John Bacsa
- Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
| | - Cora E MacBeth
- Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
| | - Djamaladdin G Musaev
- Cherry L. Emerson Center for Scientific Computation , Emory University , Atlanta , Georgia 30322 , USA .
- Department of Chemistry , Emory University , Atlanta , Georgia 30322 , USA .
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18
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Theoretical study of rhodium(III)-catalyzed synthesis of benzoxepine and coumarin. J Mol Model 2020; 26:143. [PMID: 32417972 DOI: 10.1007/s00894-020-04409-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2020] [Accepted: 04/29/2020] [Indexed: 10/24/2022]
Abstract
The mechanisms of the rhodium-catalyzed cycloaddition of 2-vinylphenol with diphenylacetylene and carbon monoxide have been studied using density functional theory calculations at the B3LYP/6-31G (d, p) (Lanl2dz for Rh) level of theory. The SMD solvation model was used in MeCN solvents at M06-2X/6-311 ++ G (d, p) (Lanl2dz (f) for Rh) levels using a single-point calculation to consider the solvent effect. The calculation results show that there are two competitive reaction pathways for the cycloaddition reaction of rhodium-catalyzed synthesis of benzohexine and coumarin. Starting from the precursor reaction complex, the reaction channel is more favorable for the carbon atoms of diphenylacetylene and carbon monoxide to attack the Rh-C bond (the barriers of 9.88 and 10.01 kcal/mol) rather than attack the Rh-O bond (the barriers of 15.37 and 30.17 kcal/mol), and carbon monoxide in two different reaction channels has a greater energy difference than diphenylacetylene. The results show that the computational study of the rhodium-catalyzed cycloaddition reaction has a high catalytic activity consistent with the high yield of the experiment of Gulías et al.
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19
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Meyer TH, Oliveira JCA, Ghorai D, Ackermann L. Mechanistische Studien zu Cobalta(III/IV/II)‐Elektrokatalyse: Oxidativ‐induzierte reduktive Eliminierung zur zweifachen C‐H‐Aktivierung. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202002258] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Tjark H. Meyer
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Debasish Ghorai
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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20
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Meyer TH, Oliveira JCA, Ghorai D, Ackermann L. Insights into Cobalta(III/IV/II)-Electrocatalysis: Oxidation-Induced Reductive Elimination for Twofold C-H Activation. Angew Chem Int Ed Engl 2020; 59:10955-10960. [PMID: 32154625 PMCID: PMC7318662 DOI: 10.1002/anie.202002258] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Indexed: 12/17/2022]
Abstract
The merger of cobalt‐catalyzed C−H activation and electrosynthesis provides new avenues for resource‐economical molecular syntheses, unfortunately their reaction mechanisms remain poorly understood. Herein, we report the identification and full characterization of electrochemically generated high‐valent cobalt(III/IV) complexes as crucial intermediates in electrochemical cobalt‐catalyzed C−H oxygenations. Detailed mechanistic studies provided support for an oxidatively‐induced reductive elimination via highly‐reactive cobalt(IV) intermediates. These key insights set the stage for unprecedented cobaltaelectro two‐fold C−H/C−H activation.
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Affiliation(s)
- Tjark H Meyer
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Gottingen, Germany
| | - João C A Oliveira
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Gottingen, Germany
| | - Debasish Ghorai
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Gottingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Gottingen, Germany
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21
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Chen M, Doba T, Sato T, Razumkov H, Ilies L, Shang R, Nakamura E. Chromium(III)-Catalyzed C(sp 2)-H Alkynylation, Allylation, and Naphthalenation of Secondary Amides with Trimethylaluminum as Base. J Am Chem Soc 2020; 142:4883-4891. [PMID: 32068410 DOI: 10.1021/jacs.0c00127] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Among base metals used for C-H activation reactions, chromium(III) is rather unexplored despite its natural abundance and low toxicity. We report herein chromium(III)-catalyzed C(sp2)-H functionalization of an ortho-position of aromatic and α,β-unsaturated secondary amides using readily available AlMe3 as a base and using bromoalkynes, allyl bromide, and 1,4-dihydro-1,4-epoxynaphthalene as electrophiles. This redox-neutral reaction taking place at 70-90 °C, requires as low as 1-2 mol % of CrCl3 or Cr(acac)3 as a catalyst without any added ligand, and tolerates functional groups such as aryl iodide, boronate, and thiophene groups. Stoichiometric and kinetics studies as well as kinetic isotope effects suggest that the catalytic cycle consists of a series of thermally stable but reactive intermediates bearing two molecules of the amide substrate on one chromium atom and also that one of these chromate(III) complexes takes part in the alkynylation, allylation, and naphthalenation reactions. The proposed mechanism accounts for the effective suppression of methyl group delivery from AlMe3 for ortho-C-H methylation.
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Affiliation(s)
- Mengqing Chen
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Takahiro Doba
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Takenari Sato
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Hlib Razumkov
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Laurean Ilies
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Rui Shang
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
| | - Eiichi Nakamura
- Department of Chemistry, School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan
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22
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Jiang XF, Tan H, Cui HL. FeCl 3 mediated dimerization of dihydropyrrolo[2,1-a]isoquinolines and chlorination of tetrasubstituted pyrroles. Org Biomol Chem 2020; 18:660-665. [PMID: 31894798 DOI: 10.1039/c9ob02607j] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We have developed a mild and direct dimerization of dihydropyrrolo[2,1-a]isoquinolines through FeCl3-mediated oxidative homocoupling. A series of dimeric dihydropyrroloisoquinoline derivatives were obtained in acceptable to excellent yields (up to >99%). Attempts to expand this dimerization system to the synthesis of dimeric pyrroles failed and chlorination products were obtained in most cases instead of dimeric pyrroles.
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Affiliation(s)
- Xue-Fei Jiang
- Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, 319 Honghe Ave., Yongchuan, Chongqing, 402160, PR China.
| | - Hao Tan
- Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, 319 Honghe Ave., Yongchuan, Chongqing, 402160, PR China.
| | - Hai-Lei Cui
- Laboratory of Asymmetric Synthesis, Chongqing University of Arts and Sciences, 319 Honghe Ave., Yongchuan, Chongqing, 402160, PR China.
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23
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Rej S, Ano Y, Chatani N. Bidentate Directing Groups: An Efficient Tool in C-H Bond Functionalization Chemistry for the Expedient Construction of C-C Bonds. Chem Rev 2020; 120:1788-1887. [PMID: 31904219 DOI: 10.1021/acs.chemrev.9b00495] [Citation(s) in RCA: 583] [Impact Index Per Article: 145.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
During the past decades, synthetic organic chemistry discovered that directing group assisted C-H activation is a key tool for the expedient and siteselective construction of C-C bonds. Among the various directing group strategies, bidentate directing groups are now recognized as one of the most efficient devices for the selective functionalization of certain positions due to fact that its metal center permits fine, tunable, and reversible coordination. The family of bidentate directing groups permit various types of assistance to be achieved, such as N,N-dentate, N,O-dentate, and N,S-dentate auxiliaries, which are categorized based on the coordination site. In this review, we broadly discuss various C-H bond functionalization reactions for the formation of C-C bonds with the aid of bidentate directing groups.
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Affiliation(s)
- Supriya Rej
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
| | - Yusuke Ano
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering , Osaka University , Suita , Osaka 560-0871 , Japan
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24
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Lv N, Chen Z, Yu S, Liu Z, Zhang Y. Nickel-catalyzed dual C(sp2)–H activation of arenes: a new route to diaryl ethers. Org Chem Front 2020. [DOI: 10.1039/d0qo00655f] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Diaryl ethers are synthesized directly from simple arenes for the first time through dual C(sp2)–H activation with the aid of a bidentate auxiliary by nickel catalysis. The auxiliary can be removed smoothly under mild reaction conditions.
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Affiliation(s)
- Ningning Lv
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Zhengkai Chen
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou 310018
- China
| | - Shuling Yu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Zhanxiang Liu
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
| | - Yuhong Zhang
- Department of Chemistry
- Zhejiang University
- Hangzhou 310027
- China
- State Key Laboratory of Applied Organic Chemistry
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25
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Dey A, Thrimurtulu N, Volla CMR. Cobalt-Catalyzed Annulation Reactions of Alkylidenecyclopropanes: Access to Spirocyclopropanes at Room Temperature. Org Lett 2019; 21:3871-3875. [DOI: 10.1021/acs.orglett.9b01392] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Arnab Dey
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Neetipalli Thrimurtulu
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Chandra M. R. Volla
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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26
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Zhang P, Yang Y, Chen Z, Xu Z, Xu X, Zhou Z, Yu X, Yi W. Cobalt(III)‐Catalyzed, DMSO‐Involved, and TFA‐Controlled Regioselective C−H Functionalization of Anilines with Alkynes for Specific Assembly of 3‐Arylquinolines. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201801709] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Peiquan Zhang
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated HospitalGuangzhou Medical University, Guangzhou Guangdong 511436 People's Republic of China
| | - Yurong Yang
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated HospitalGuangzhou Medical University, Guangzhou Guangdong 511436 People's Republic of China
| | - Zhiyong Chen
- Guangdong Provincial Public Laboratory of Analysis and Testing TechnologyChina National Analytical Center Guangzhou 510070 People's Republic of China
| | - Zhang Xu
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
| | - Xuefeng Xu
- Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical EngineeringNanyang Normal University Nanyang 473061 People's Republic of China
| | - Zhi Zhou
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated HospitalGuangzhou Medical University, Guangzhou Guangdong 511436 People's Republic of China
| | - Xiyong Yu
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated HospitalGuangzhou Medical University, Guangzhou Guangdong 511436 People's Republic of China
| | - Wei Yi
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated HospitalGuangzhou Medical University, Guangzhou Guangdong 511436 People's Republic of China
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27
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Hassan IS, Ta AN, Danneman MW, Semakul N, Burns M, Basch CH, Dippon VN, McNaughton BR, Rovis T. Asymmetric δ-Lactam Synthesis with a Monomeric Streptavidin Artificial Metalloenzyme. J Am Chem Soc 2019; 141:4815-4819. [PMID: 30865436 DOI: 10.1021/jacs.9b01596] [Citation(s) in RCA: 90] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Reliable design of artificial metalloenzymes (ArMs) to access transformations not observed in nature remains a long-standing and important challenge. We report that a monomeric streptavidin (mSav) Rh(III) ArM permits asymmetric synthesis of α,β-unsaturated-δ-lactams via a tandem C-H activation and [4+2] annulation reaction. These products are readily derivatized to enantioenriched piperidines, the most common N-heterocycle found in FDA approved pharmaceuticals. Desired δ-lactams are achieved in yields as high as 99% and enantiomeric excess of 97% under aqueous conditions at room temperature. Embedding a Rh cyclopentadienyl (Cp*) catalyst in the active site of mSav results in improved stereocontrol and a 7-fold enhancement in reactivity relative to the isolated biotinylated Rh(III) cofactor. In addition, mSav-Rh outperforms its well-established tetrameric forms, displaying 11-33 times more reactivity.
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Affiliation(s)
- Isra S Hassan
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Angeline N Ta
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Michael W Danneman
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Natthawat Semakul
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Matthew Burns
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Corey H Basch
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Vanessa N Dippon
- Department of Chemistry , Columbia University , New York , New York 10027 , United States
| | - Brian R McNaughton
- Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Tomislav Rovis
- Department of Chemistry , Columbia University , New York , New York 10027 , United States.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
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28
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Li ZL, Sun KK, Cai C. Cobalt(ii)-catalyzed regioselective C-H halogenation of anilides. Org Biomol Chem 2019; 16:5433-5440. [PMID: 30019056 DOI: 10.1039/c8ob01448e] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
A cobalt-catalyzed regioselective C-H halogenation methodology is reported herein. The highlight of this work is the highly selective C-H functionalization of anilides, which results in high-yielding, versatile, and practical halogenated products. Thereby, brominations, chlorinations and iodinations of many electron-rich and electron-deficient anilides were achieved in a highly selective fashion. Mechanistic studies with respect to the pathway of the reaction are also described.
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Affiliation(s)
- Ze-Lin Li
- College of Chemical Engineering, Nanjing University of Science & Technology, 200 Xiaolingwei, Nanjing, 210094, China.
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29
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Ma P, Chen H. Ligand-Dependent Multi-State Reactivity in Cobalt(III)-Catalyzed C–H Activations. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04532] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Pengchen Ma
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Hui Chen
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Photochemistry, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
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30
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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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31
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Li T, Yang Y, Li B, Yang P. Cobalt-catalyzed cross-dehydrogenative coupling between N-(2-pyridyl) and free indoles for the synthesis of unsymmetrical 2,2′-biindoles. Chem Commun (Camb) 2019; 55:353-356. [DOI: 10.1039/c8cc07659f] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cobalt-catalyzed cross-dehydrogenative coupling of N-(2-pyridyl) indoles with free indoles for the construction of unsymmetrical 2,2′-biindoles is developed.
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Affiliation(s)
- Ting Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University
- Nanyang
- P. R. China
| | - Yuhan Yang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University
- Nanyang
- P. R. China
| | - Bo Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University
- Nanyang
- P. R. China
| | - Ping Yang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University
- Nanyang
- P. R. China
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32
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Zhao T, Qin D, Han W, Yang S, Feng B, Gao G, You J. Co(iii)-catalyzed Z-selective oxidative C–H/C–H cross-coupling of alkenes with triisopropylsilylacetylene. Chem Commun (Camb) 2019; 55:6118-6121. [DOI: 10.1039/c9cc02347j] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
An inexpensive Co(iii)-catalyzed direct oxidative C–H/C–H cross-coupling reaction of acrylamides with triisopropylsilylacetylene to synthsize (Z)-1,3-enynes is presented.
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Affiliation(s)
- Tingxing Zhao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Dekun Qin
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Weiguo Han
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Shiping Yang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Boya Feng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Ge Gao
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
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33
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Li ZL, Wu PY, Cai C. Cobalt catalyzed regioselective C–H methylation/acetoxylation of anilides: new routes for C–C and C–O bond formation. Org Chem Front 2019. [DOI: 10.1039/c9qo00411d] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first cobalt-catalyzed regioselective C–H methylation/acetoxylation reactions of anilides using peroxides and acetic acid respectively as attacking reagents have been developed herein.
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Affiliation(s)
- Ze-lin Li
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
| | - Peng-Yu Wu
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
| | - Chun Cai
- College of Chemical Engineering
- Nanjing University of Science & Technology
- Nanjing
- China
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34
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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: 1425] [Impact Index Per Article: 237.5] [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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35
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Lv N, Chen Z, Liu Y, Liu Z, Zhang Y. Cobalt-Catalyzed Aerobic Oxidative C-H/C-H Cross-Coupling of Unactivated Arenes for the Synthesis of Biaryls. Org Lett 2018; 20:5845-5848. [PMID: 30168333 DOI: 10.1021/acs.orglett.8b02526] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A mild and efficient protocol for the synthesis of 2,2'-difunctional biaryls from readily available benzamides and oximes by Co(OAc)2·4H2O catalysis has been developed. The catalytic cycle that includes aerobic oxidation of Co(I) to Co(III) is successfully achieved for the first time through dual-chelation-assisted C-H/C-H coupling with the assistance of catalytic Mn(acac)3. The catalytic system exhibits powerful reactivity and tolerates a large number of sensitive functional groups.
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Affiliation(s)
- Ningning Lv
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Zhengkai Chen
- Department of Chemistry , Zhejiang Sci-Tech University , Hangzhou 310018 , China
| | - Yue Liu
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Zhanxiang Liu
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China
| | - Yuhong Zhang
- Department of Chemistry , Zhejiang University , Hangzhou 310027 , China.,State Key Laboratory of Applied Organic Chemistry , Lanzhou University , Lanzhou 730000 , China
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36
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Sambiagio C, Schönbauer D, Blieck R, Dao-Huy T, Pototschnig G, Schaaf P, Wiesinger T, Zia MF, Wencel-Delord J, Besset T, Maes BUW, Schnürch M. A comprehensive overview of directing groups applied in metal-catalysed C-H functionalisation chemistry. Chem Soc Rev 2018; 47:6603-6743. [PMID: 30033454 PMCID: PMC6113863 DOI: 10.1039/c8cs00201k] [Citation(s) in RCA: 1097] [Impact Index Per Article: 182.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Indexed: 12/20/2022]
Abstract
The present review is devoted to summarizing the recent advances (2015-2017) in the field of metal-catalysed group-directed C-H functionalisation. In order to clearly showcase the molecular diversity that can now be accessed by means of directed C-H functionalisation, the whole is organized following the directing groups installed on a substrate. Its aim is to be a comprehensive reference work, where a specific directing group can be easily found, together with the transformations which have been carried out with it. Hence, the primary format of this review is schemes accompanied with a concise explanatory text, in which the directing groups are ordered in sections according to their chemical structure. The schemes feature typical substrates used, the products obtained as well as the required reaction conditions. Importantly, each example is commented on with respect to the most important positive features and drawbacks, on aspects such as selectivity, substrate scope, reaction conditions, directing group removal, and greenness. The targeted readership are both experts in the field of C-H functionalisation chemistry (to provide a comprehensive overview of the progress made in the last years) and, even more so, all organic chemists who want to introduce the C-H functionalisation way of thinking for a design of straightforward, efficient and step-economic synthetic routes towards molecules of interest to them. Accordingly, this review should be of particular interest also for scientists from industrial R&D sector. Hence, the overall goal of this review is to promote the application of C-H functionalisation reactions outside the research groups dedicated to method development and establishing it as a valuable reaction archetype in contemporary R&D, comparable to the role cross-coupling reactions play to date.
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Affiliation(s)
- Carlo Sambiagio
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - David Schönbauer
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Remi Blieck
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Toan Dao-Huy
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Gerit Pototschnig
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Patricia Schaaf
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Thomas Wiesinger
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Muhammad Farooq Zia
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
| | - Joanna Wencel-Delord
- Laboratoire de Chimie Moléculaire (UMR CNRS 7509)
, Université de Strasbourg
,
ECPM 25 Rue Becquerel
, 67087 Strasbourg
, France
| | - Tatiana Besset
- Normandie Univ
, INSA Rouen
, UNIROUEN
, CNRS
, COBRA (UMR 6014)
,
76000 Rouen
, France
| | - Bert U. W. Maes
- Organic Synthesis (ORSY)
, Department of Chemistry
, University of Antwerp
,
Groenenborgerlaan 171
, 2020 Antwerp
, Belgium
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry
, TU Wien
,
Getreidemarkt 9/163
, A-1060 Vienna
, Austria
.
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37
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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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38
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Dey A, Rathi A, Volla CMR. Cobalt(III)-Catalyzed [4+2] Annulation of Heterobicyclic Alkenes by sp
2
C−H Activation. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800251] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Arnab Dey
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Anuja Rathi
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
| | - Chandra M. R. Volla
- Department of Chemistry; Indian Institute of Technology Bombay; Powai Mumbai 400076 India
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39
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Mei R, Sauermann N, Oliveira JCA, Ackermann L. Electroremovable Traceless Hydrazides for Cobalt-Catalyzed Electro-Oxidative C–H/N–H Activation with Internal Alkynes. J Am Chem Soc 2018; 140:7913-7921. [DOI: 10.1021/jacs.8b03521] [Citation(s) in RCA: 177] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ruhuai Mei
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Göttingen, Germany
| | - Nicolas Sauermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Göttingen, Germany
| | - João C. A. Oliveira
- 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
- Department of Chemistry, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy
- International Center for Advanced Studies of Energy Conversion (ICASEC), Georg-August-Universität Göttingen, Tammannstraße 6, 37077, Göttingen, Germany
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40
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Mei C, Lu W. Palladium(II)-Catalyzed Oxidative Homo- and Cross-Coupling of Aryl ortho-sp2 C–H Bonds of Anilides at Room Temperature. J Org Chem 2018; 83:4812-4823. [DOI: 10.1021/acs.joc.8b00120] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chong Mei
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Wenjun Lu
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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41
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Sauermann N, Mei R, Ackermann L. Electrochemical C−H Amination by Cobalt Catalysis in a Renewable Solvent. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201802206] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Nicolas Sauermann
- Institut für Organische und Biomolekulare Chemie; Georg-August-Universität Göttingen; Tammannstraße 2 37077 Göttingen Germany
| | - Ruhuai Mei
- 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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42
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Electrochemical C−H Amination by Cobalt Catalysis in a Renewable Solvent. Angew Chem Int Ed Engl 2018; 57:5090-5094. [DOI: 10.1002/anie.201802206] [Citation(s) in RCA: 195] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Indexed: 01/02/2023]
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43
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Gao X, Wang P, Zeng L, Tang S, Lei A. Cobalt(II)-Catalyzed Electrooxidative C–H Amination of Arenes with Alkylamines. J Am Chem Soc 2018. [DOI: 10.1021/jacs.7b13049] [Citation(s) in RCA: 231] [Impact Index Per Article: 38.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Xinlong Gao
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Pan Wang
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Li Zeng
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Shan Tang
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
| | - Aiwen Lei
- The Institute for Advanced Studies (IAS), College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, People’s Republic of China
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44
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Ueno R, Natsui S, Chatani N. Cobalt(II)-Catalyzed Acyloxylation of C–H Bonds in Aromatic Amides with Carboxylic Acids. Org Lett 2018; 20:1062-1065. [DOI: 10.1021/acs.orglett.7b04020] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Rina Ueno
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Satoko Natsui
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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45
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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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46
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Xu X, Yang Y, Zhang X, Yi W. Direct Synthesis of Quinolines via Co(III)-Catalyzed and DMSO-Involved C–H Activation/Cyclization of Anilines with Alkynes. Org Lett 2018; 20:566-569. [PMID: 29323496 DOI: 10.1021/acs.orglett.7b03673] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xuefeng Xu
- College
of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Yurong Yang
- Key Laboratory of Molecular Clinical Pharmacology & Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Xu Zhang
- College
of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China
| | - Wei Yi
- Key Laboratory of Molecular Clinical Pharmacology & Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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47
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Weng Y, Lan T, Sun C, Yang T, Su W, Xie Y. Mechanochemical palladium-catalyzed C(sp 2)–H homocoupling of N-arylcarbamates: synthesis of 2,2′-biaryldiamines. Org Chem Front 2018. [DOI: 10.1039/c8qo00420j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The palladium-catalyzed dehydrogenative C(sp2)–H homocoupling of N-arylcarbamates under high-speed ball-milling conditions has been achieved using weakly coordinating directing groups, providing access to a variety of 2,2′-biaryldicarbamates.
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Affiliation(s)
- Yiyi Weng
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P.R. China
| | - Tianwen Lan
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals
- Zhejiang University of Technology
- Hangzhou 310014
- P.R. China
| | - Chen Sun
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P.R. China
| | - Ting Yang
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P.R. China
| | - Weike Su
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P.R. China
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals
| | - Yuanyuan Xie
- College of Pharmaceutical Sciences
- Zhejiang University of Technology
- Hangzhou 310014
- P.R. China
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48
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He S, Tan G, Luo A, You J. Rhodium-catalyzed oxidative C–H/C–H cross-coupling of aniline with heteroarene: N-nitroso group enabled mild conditions. Chem Commun (Camb) 2018; 54:7794-7797. [DOI: 10.1039/c8cc04027c] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
A rhodium(iii)-catalyzed oxidative ortho-heteroarylation of N-nitrosoaniline with heteroarene has been developed for the synthesis of (2-aminophenyl)heteroaryls under mild conditions.
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Affiliation(s)
- Shuang He
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Guangying Tan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Anping Luo
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education
- College of Chemistry
- Sichuan University
- Chengdu 610064
- P. R. China
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49
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Zhang L, Fang DC. Key Role of PdIV Intermediates in Promoting PdII-Catalyzed Dehydrogenative Homocoupling of Two Arenes: A DFT Study. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00778] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Lei Zhang
- College
of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
- School
of Science, Tianjin Chengjian University, Tianjin 300384, People’s Republic of China
| | - De-Cai Fang
- College
of Chemistry, Beijing Normal University, Beijing 100875, People’s Republic of China
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50
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Schmiel D, Butenschön H. Directed Iron-Catalyzed ortho-Alkylation and Arylation: Toward the Stereoselective Catalytic Synthesis of 1,2-Disubstituted Planar-Chiral Ferrocene Derivatives. Organometallics 2017. [DOI: 10.1021/acs.organomet.7b00799] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- David Schmiel
- Institut für Organische
Chemie, Leibniz Universität Hannover, Schneiderberg 1B, D-30167 Hannover, Germany
| | - Holger Butenschön
- Institut für Organische
Chemie, Leibniz Universität Hannover, Schneiderberg 1B, D-30167 Hannover, Germany
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