1
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Pati TK, Molla SA, Ghosh NN, Kundu M, Ajarul S, Maity P, Khamrai U, Maiti DK. 2-Pyridone-Directed Cu II-Catalyzed General Method of C(sp 2)-H Activation for C-S, C-Se, and C-N Cross-Coupling: Easy Access to Aryl Thioethers, Selenide Ethers, and Sulfonamides and DFT Study. J Org Chem 2024; 89:6798-6812. [PMID: 38662434 DOI: 10.1021/acs.joc.4c00120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
We have demonstrated N-substituted 2-pyridones as an N,O-directing group for selective C(sp2)-H-activated thiolation, selenylation, and sulfonamidation of ortho C-H bonds of benzamides. This method utilizes a cost-effective Cu(II)-salt catalyst instead of precious metal catalysts, achieving high yields, including gram-scale synthesis and excellent functional group tolerance. We applied this protocol to access 30 different compounds with high yields, demonstrating thiolation of fluorine-substituted benzamides as well. Density functional theory (DFT) calculations support the mechanism, including acetate-supported concerted metalation deprotonation (CMD) steps and the unique role of dimethyl sulfoxide (DMSO) solvent. The facile synthesis of pharmaceutically important sulfonamides and other compounds highlights the method's potential in chemistry and medicinal chemistry.
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Affiliation(s)
- Tanmay K Pati
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata700009, India
- Department of Chemistry, Rensselaer Polytechnic Institute, 110 eighth St, Troy, New York 12180, United States
- TCG Lifesciences Private Limited, Sector V, Salt Lake City, Kolkata 700091, India
| | - Sabir Ali Molla
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata700009, India
| | | | - Mrinalkanti Kundu
- TCG Lifesciences Private Limited, Sector V, Salt Lake City, Kolkata 700091, India
| | - Sk Ajarul
- Government General Degree College at Salboni, Bhimpur, Paschim Medinipur 721516, India
| | - Pradip Maity
- Organic Chemistry Division, CSIR-National Chemical Laboratory, Pune 411008, India
| | - Uttam Khamrai
- TCG Lifesciences Private Limited, Sector V, Salt Lake City, Kolkata 700091, India
| | - Dilip K Maiti
- Department of Chemistry, University of Calcutta, 92, A. P. C. Road, Kolkata700009, India
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2
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Blythe IM, Xu J, Fernandez Odell JS, Kampf JW, Bowring MA, Sanford MS. Characterization and Reactivity of Copper(II) and Copper(III) σ-Aryl Intermediates in Aminoquinoline-Directed C-H Functionalization. J Am Chem Soc 2023; 145:18253-18259. [PMID: 37552536 DOI: 10.1021/jacs.3c00914] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
Over the past decade, numerous reports have focused on the development and applications of Cu-mediated C-H functionalization reactions; however, to date, little is known about the Cu intermediates involved in these transformations. This paper details the observation and characterization of CuII and CuIII intermediates in aminoquinoline-directed C(sp2)-H functionalization of a fluoroarene substrate. An initial C(sp2)-H activation at CuII occurs at room temperature to afford an isolable anionic cyclometalated CuII complex. This complex undergoes single-electron oxidation with ferrocenium or AgI salts under mild conditions (5 min at room temperature) to afford C(sp2)-C(sp2) or C(sp2)-NO2 coupling products. Spectroscopic studies implicate the formation of a transient diamagnetic CuIII-σ-aryl intermediate that undergoes either (i) a second C(sp2)-H activation at CuIII followed by C-C bond-forming reductive elimination or (ii) reaction with a NO2- nucleophile and C(sp2)-NO2 coupling.
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Affiliation(s)
- Isaac M Blythe
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109, United States
| | - Jingtong Xu
- Department of Chemistry, Reed College, 3203 Woodstock Boulevard, Portland, Oregon 97202, United States
| | - Joaquin S Fernandez Odell
- Department of Chemistry, Reed College, 3203 Woodstock Boulevard, Portland, Oregon 97202, United States
| | - Jeff W Kampf
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109, United States
| | - Miriam A Bowring
- Department of Chemistry, Reed College, 3203 Woodstock Boulevard, Portland, Oregon 97202, United States
| | - Melanie S Sanford
- Department of Chemistry, University of Michigan, 930 N. University Avenue, Ann Arbor, Michigan 48109, United States
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3
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Zhou C, Liu Y, Luo Q, Zhang Y, Zhou J, Zhang H, Liu J. Microwave-accelerated cross-dehydrogenative-coupling (CDC) of N-(quinolin-8-yl)amides with acetone/acetonitrile under metal-free conditions. RSC Adv 2023; 13:21231-21235. [PMID: 37456538 PMCID: PMC10340454 DOI: 10.1039/d3ra03651k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/07/2023] [Indexed: 07/18/2023] Open
Abstract
A highly selective remote C(sp3)-H acetonation of N-(quinolin-8-yl)amide scaffolds at the C5-position under microwave irradiation has been developed. In the absence of a transition-metal-catalyst, benzoyl peroxide (BPO)-promoted cross-dehydrogenation coupling (CDC) of N-(quinolin-8-yl)amides with acetone/acetonitrile occurred smoothly to generate the corresponding 5-acetonated/acetonitriled N-(quinolin-8-yl)amides in good yields. The transformation is operationally simple, rapid, easily scaled-up to the gram scale, and shows a broad substrate scope.
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Affiliation(s)
- Chao Zhou
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Yunwei Liu
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Qi Luo
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Yicheng Zhang
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Jingwen Zhou
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Haoyu Zhang
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
| | - Jie Liu
- Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University Huaibei Anhui 235000 P. R. China
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4
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Kumar S, Prince P, Monika M, Kumar P, Len C, Singh BK. A Unified, Microwave‐Assisted, Palladium‐Catalyzed Regioselective Ortho‐monohalogenation of 1‐Alkyl/benzyl‐3‐Phenylquinoxalin‐2(1
H
)‐ones. ChemistrySelect 2023. [DOI: 10.1002/slct.202204821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Sandeep Kumar
- Bio-Organic Research Laboratory Department of Chemistry University of Delhi Delhi 110 007 India
| | - Prince Prince
- Bio-Organic Research Laboratory Department of Chemistry University of Delhi Delhi 110 007 India
| | - Monika Monika
- Bio-Organic Research Laboratory Department of Chemistry University of Delhi Delhi 110 007 India
| | - Prashant Kumar
- Bio-Organic Research Laboratory Department of Chemistry University of Delhi Delhi 110 007 India
- Department of Chemistry SRM University Delhi-NCR Sonepat Haryana 131029 India
| | - Christophe Len
- Bio-Organic Research Laboratory Department of Chemistry University of Delhi Delhi 110 007 India
- Chimie ParisTech PSL Research University CNRS Institute of Chemistry for Life and Health Sciences 11 rue Pierre et Marie Curie F-75005 Paris France
| | - Brajendra K. Singh
- Bio-Organic Research Laboratory Department of Chemistry University of Delhi Delhi 110 007 India
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5
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Gong X, Yu N, Gu L, Li Z, Ma W, Zhao F. Redox-neutral rhodium(III)-catalyzed divergent synthesis of tetrasubstituted 1,3-enynes and alkynylated benzofurans. Org Biomol Chem 2022; 21:147-152. [PMID: 36465010 DOI: 10.1039/d2ob01800d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
With the assistance of the acetamido directing group (DG), a rhodium-catalyzed C-H alkenylation/DG migration cascade for the synthesis of tetrasubstituted 1,3-enynes from N-phenoxyacetamides and 1,3-diynes has been achieved in this work. Alternatively, a rhodium-catalyzed [3 + 2] annulation for the synthesis of alkynylated benzofurans from the same set of substrates has also been achieved by simply changing the reaction conditions. This work highlights the tunable divergent synthesis of valuable compounds triggered by C-H activation.
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Affiliation(s)
- Xin Gong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China.
| | - Na Yu
- Department of Preparation Center, General Hospital of Ningxia Medical University, Yinchuan 750004, China
| | - Linghui Gu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China.
| | - Zheyu Li
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China.
| | - Wenbo Ma
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China.
| | - Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China. .,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai 201203, China
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6
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Sanad SG, Shebl M. Association thermodynamic parameters for nano Cu(NO 3) 2·2.5H 2O with ligands at different temperatures. RSC Adv 2022; 12:28902-28909. [PMID: 36320751 PMCID: PMC9555013 DOI: 10.1039/d2ra05933a] [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: 09/20/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023] Open
Abstract
Association thermodynamic parameters are important because they give information about the nature of ion-ion interaction in solution, the dielectric constant of the medium and the intermolecular hydrogen bonding between the solvent molecules. The different association thermodynamic parameters for nano copper(ii) nitrate hemi pentahydrate in the presence of 4,6-diacetylresorcinol and 4,6-bis(1-hydrazonoethyl)benzene-1,3-diol as ligands were calculated. Conductance measurements were used in different concentrations of binary mixed solvents (DMF and water) at different temperatures, 293.15, 303.15, 313.15 and 323.15 K. A comparison between association thermodynamic parameter data such as association constants (K A), degree of dissociation (α), free energies of association (ΔG A), enthalpies of association (ΔH A) and entropies of association (ΔS A) in the case of using the two ligands was done. Different calculated thermodynamic parameters indicate that the association is more favorable with 4,6-diacetylresorcinol as a ligand than 4,6-bis(1-hydrazonoethyl)benzene-1,3-diol due to the large size of 6-bis(1-hydrazonoethyl)benzene-1,3-diol.
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Affiliation(s)
- Sameh G Sanad
- Department of Chemistry, Faculty of Education, Ain Shams University, Roxy Cairo Egypt
| | - Magdy Shebl
- Department of Chemistry, Faculty of Education, Ain Shams University, Roxy Cairo Egypt
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7
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Ji H, Zhan H, Chen S, Fang Z, Zhang Q, Li D. Copper‐catalyzed C(sp
3
)−H/N−H Cross Dehydrogenative Coupling Between Toluene Derivatives and Picolinamides. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200454] [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)
- Huihui Ji
- New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base School of Materials and Chemical Engineering Hubei University of Technology Wuhan 430068 China
| | - Hongju Zhan
- Hubei Provincial Key Laboratory of Drug Synthesis and Optimization Jingchu University of Technology Jingmen 448000 China
| | - Shumin Chen
- Hubei Provincial Key Laboratory of Drug Synthesis and Optimization Jingchu University of Technology Jingmen 448000 China
| | - Zeguo Fang
- New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base School of Materials and Chemical Engineering Hubei University of Technology Wuhan 430068 China
| | - Qian Zhang
- New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base School of Materials and Chemical Engineering Hubei University of Technology Wuhan 430068 China
| | - Dong Li
- New Materials and Green Manufacturing Talent Introduction and Innovation Demonstration Base School of Materials and Chemical Engineering Hubei University of Technology Wuhan 430068 China
- Hubei Provincial Key Laboratory of Drug Synthesis and Optimization Jingchu University of Technology Jingmen 448000 China
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8
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Higham JI, Bull JA. Amine-Catalyzed Copper-Mediated C-H Sulfonylation of Benzaldehydes via a Transient Imine Directing Group. Angew Chem Int Ed Engl 2022; 61:e202202933. [PMID: 35441781 PMCID: PMC9321081 DOI: 10.1002/anie.202202933] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Indexed: 12/28/2022]
Abstract
Transient directing groups (TDGs) can provide a powerful means for C−H functionalization without requiring additional steps for directing group introduction and removal. We report the first use of a TDG in combination with copper to effect C−H functionalization. The regioselective copper mediated β−C(sp2)−H sulfonylation of aldehydes with sulfinate salts is accomplished using catalytic β‐alanine to form a transient imine. A broad range of sulfonylated benzaldehydes are prepared using copper fluoride as both copper source and oxidant, involving a [5,6] cupracyclic intermediate. γ‐(peri)‐Sulfonylation of napthyl and phenanthrenyl carboxaldehydes is achieved through [6,6] cupracyclic intermediates. Further derivatisation of the aldehyde products is demonstrated. Kinetic experiments and Hammett analysis suggest the turnover limiting step to be a concerted asynchronous C−H cleavage via a dearomative Wheland‐type transition state.
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Affiliation(s)
- Joe I Higham
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London, W12 0BZ, UK
| | - James A Bull
- Department of Chemistry, Imperial College London, Molecular Sciences Research Hub, White City Campus, Wood Lane, London, W12 0BZ, UK
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9
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Jiang J, Liu J, Yang Z, Zheng L, Liu ZQ. Three‐Component Synthesis of Benzofuran‐3(2H)‐ones with Tetrasubstituted Carbon Stereocenters via Rh(III)‐Catalyzed C‐H/C‐C Bond Activation and Cascade Annulation. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200396] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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10
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Watanabe A, Hama K, Watanabe K, Fujiwara Y, Yokoyama K, Murata S, Takita R. Controlled Tetradeuteration of Straight‐Chain Fatty Acids: Synthesis, Application, and Insight into the Metabolism of Oxidized Linoleic Acid. Angew Chem Int Ed Engl 2022; 61:e202202779. [PMID: 35411582 PMCID: PMC9324819 DOI: 10.1002/anie.202202779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Indexed: 11/10/2022]
Affiliation(s)
- Ayako Watanabe
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kotaro Hama
- Faculty of Pharma-Sciences Teikyo University 2-11-1 Kaga, Itabashi-ku Tokyo 173-8605 Japan
- Advanced Comprehensive Research Organization (ACRO) Teikyo University Japan
| | - Kohei Watanabe
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Yuko Fujiwara
- Faculty of Pharma-Sciences Teikyo University 2-11-1 Kaga, Itabashi-ku Tokyo 173-8605 Japan
| | - Kazuaki Yokoyama
- Faculty of Pharma-Sciences Teikyo University 2-11-1 Kaga, Itabashi-ku Tokyo 173-8605 Japan
| | - Shigeo Murata
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Ryo Takita
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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11
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Higham JI, Bull JA. Amine‐Catalyzed Copper‐Mediated C−H Sulfonylation of Benzaldehydes via a Transient Imine Directing Group**. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Joe I. Higham
- Department of Chemistry Imperial College London Molecular Sciences Research Hub, White City Campus Wood Lane London W12 0BZ UK
| | - James A. Bull
- Department of Chemistry Imperial College London Molecular Sciences Research Hub, White City Campus Wood Lane London W12 0BZ UK
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12
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Watanabe A, Hama K, Watanabe K, Fujiwara Y, Yokoyama K, Murata S, Takita R. Controlled Tetradeuteration of Straight‐Chain Fatty Acids: Synthesis, Application, and Insight into the Metabolism of Oxidized Linoleic Acid. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Ayako Watanabe
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kotaro Hama
- Faculty of Pharma-Sciences Teikyo University 2-11-1 Kaga, Itabashi-ku Tokyo 173-8605 Japan
- Advanced Comprehensive Research Organization (ACRO) Teikyo University Japan
| | - Kohei Watanabe
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Yuko Fujiwara
- Faculty of Pharma-Sciences Teikyo University 2-11-1 Kaga, Itabashi-ku Tokyo 173-8605 Japan
| | - Kazuaki Yokoyama
- Faculty of Pharma-Sciences Teikyo University 2-11-1 Kaga, Itabashi-ku Tokyo 173-8605 Japan
| | - Shigeo Murata
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Ryo Takita
- One-stop Sharing Facility Center for Future Drug Discoveries Graduate School of Pharmaceutical Sciences University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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13
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Paik A, Paul S, Bhowmik S, Das R, Naveen T, Rana S. Recent Advances in First Row Transition Metal Mediated C‐H Halogenation of (Hetero)arenes and Alkanes. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200060] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Aniruddha Paik
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Sabarni Paul
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Sabyasachi Bhowmik
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Rahul Das
- University of North Bengal Department of Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India - 734013 734013 Siliguri INDIA
| | - Togati Naveen
- Sardar Vallabhbhai National Institute of Technology Department of Chemistry 395007 Surat INDIA
| | - Sujoy Rana
- University of North Bengal Chemistry Raja Rammohunpur, DarjeelingWest Bengal, India, 734013 734013 Siliguri INDIA
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14
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Ma J, Zhou X, Guo P, Cheng H, Ji H. Copper‐Mediated
and Catalyzed
C‐H
Bond Amination via
Chelation‐Assistance
: Scope, Mechanism and Synthetic Applications. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202100812] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jiao‐Li Ma
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 PR China
| | - Xu‐Ming Zhou
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 PR China
| | - Peng‐Hu Guo
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 PR China
| | - Hui‐Cheng Cheng
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 PR China
| | - Hong‐bing Ji
- College of Chemistry, Guangdong University of Petrochemical Technology Maoming 525000 PR China
- Fine Chemical Industry Research Institute, School of Chemistry, Sun Yat‐sen University Guangzhou 510275 PR China
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15
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Li Y, Li Y, Dong Y, Xia C, Li Y. Manganese-Catalyzed Allylation of Quinazolinones with 4-Vinyl-1,3-dioxolan-2-one via C—H Activation. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202110002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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16
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Camats M, Favier I, Mallet-Ladeira S, Pla D, Gómez M. Understanding Cu(II)-based systems for C(sp 3)-H bond functionalization: insights into the synthesis of aza-heterocycles. Org Biomol Chem 2021; 20:219-227. [PMID: 34878447 DOI: 10.1039/d1ob02118d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein we report the synthesis of imidazo[1,5-a]pyridine heterocycles via a Cu(II)-mediated functionalization of α'-C(sp3)-H bonds of pyridinylaldimines and subsequent cyclization. This strategy exploits the inherent directing ability of heteroleptic aldimine and pyridine groups in the substrate yielding the C-H functionalization of α'-methylene groups in a regioselective fashion over distant methyl or methylene groups in β or γ positions. The observed correlation between the nature of the anionic ligands (halide vs. carboxylate) bonded to copper and the chemoselectivity of the C(sp3)-H activation process points to a concerted metalation-deprotonation pathway prior to cyclization to furnish the corresponding imidazo[1,5-a]pyridine derivative. This copper-mediated C(sp3)-H bond functionalization reaction works for a variety of substrates incorporating linear alkyl chains (from 3 to 12 carbon atoms), and good functional group tolerance (aryl, ether and ester groups). Cu-Catalyzed C(sp2)-H cyanation on the imidazole ring can then take place selectively under oxidative conditions.
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Affiliation(s)
- Marc Camats
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Isabelle Favier
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse, CNRS UAR 2599, 118 Route de Narbonne, Toulouse 31062 Cedex 09, France
| | - Daniel Pla
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Montserrat Gómez
- Laboratoire Hétérochimie Fondamentale et Appliquée, CNRS UMR 5069, Université Toulouse 3 - Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex 09, France.
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17
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Liu B, Romine AM, Rubel CZ, Engle KM, Shi BF. Transition-Metal-Catalyzed, Coordination-Assisted Functionalization of Nonactivated C(sp 3)-H Bonds. Chem Rev 2021; 121:14957-15074. [PMID: 34714620 PMCID: PMC8968411 DOI: 10.1021/acs.chemrev.1c00519] [Citation(s) in RCA: 182] [Impact Index Per Article: 60.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Transition-metal-catalyzed, coordination-assisted C(sp3)-H functionalization has revolutionized synthetic planning over the past few decades as the use of these directing groups has allowed for increased access to many strategic positions in organic molecules. Nonetheless, several challenges remain preeminent, such as the requirement for high temperatures, the difficulty in removing or converting directing groups, and, although many metals provide some reactivity, the difficulty in employing metals outside of palladium. This review aims to give a comprehensive overview of coordination-assisted, transition-metal-catalyzed, direct functionalization of nonactivated C(sp3)-H bonds by covering the literature since 2004 in order to demonstrate the current state-of-the-art methods as well as the current limitations. For clarity, this review has been divided into nine sections by the transition metal catalyst with subdivisions by the type of bond formation. Synthetic applications and reaction mechanism are discussed where appropriate.
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Affiliation(s)
- Bin Liu
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 38 Zheda Rd., Hangzhou 310027, China.,College of Chemistry, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Andrew M. Romine
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States
| | - Camille Z. Rubel
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Rd., La Jolla, California 92037, United States.,Corresponding Author- (K. M. E.); (B.-F. S.)
| | - Bing-Feng Shi
- Center of Chemistry for Frontier Technologies, Department of Chemistry, Zhejiang University, 38 Zheda Rd., Hangzhou 310027, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, China,Corresponding Author- (K. M. E.); (B.-F. S.)
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18
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Li Y, Wang H, Li Y, Li Y, Sun Y, Xia C, Li Y. Manganese-Catalyzed [4 + 2] Annulation of N-H Amidines with Vinylene Carbonate via C-H Activation. J Org Chem 2021; 86:18204-18210. [PMID: 34821499 DOI: 10.1021/acs.joc.1c02473] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Manganese-catalyzed C-H bond functionalization of aryl amidines for the synthesis of 1-aminoisoquinolines in the presence of vinylene carbonate has been developed. The reaction features a broad substrate scope and proceeds under mild reaction conditions with only the carbonate anion as the byproduct.
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Affiliation(s)
- Yudong Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China.,University of Chinese Academy of Sciences, Beijing100049, P. R. China
| | - Huan Wang
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China.,University of Chinese Academy of Sciences, Beijing100049, P. R. China
| | - Ying Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China
| | - Yang Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China.,University of Chinese Academy of Sciences, Beijing100049, P. R. China
| | - Yuxia Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China
| | - Chungu Xia
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China
| | - Yuehui Li
- State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of LICP, Center for Excellence in Molecular Synthesis, Lanzhou Institute of Chemical Physics (LICP), Chinese Academy of Sciences, Lanzhou730000, P. R. China
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19
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Zhao F, Zhou Z, Lu Y, Qiao J, Zhang X, Gong X, Liu S, Lin S, Wu X, Yi W. Chemo-, Regio-, and Stereoselective Assembly of Polysubstituted Furan-2(5 H)-ones Enabled by Rh(III)-Catalyzed Domino C–H Alkenylation/Directing Group Migration/Lactonization: A Combined Experimental and Computational Study. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03846] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Zhi Zhou
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Yangbin Lu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Jin Qiao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Xiaoning Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Xin Gong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Siyu Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, China
| | - Shuang Lin
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
| | - Xiaowei Wu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, China
- Zhongshan Institute for Drug Discovery, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Zhongshan 528400, China
| | - Wei Yi
- Key Laboratory of Molecular Target and Clinical Pharmacology & State Key Laboratory of Respiratory Disease, School of Pharmaceutical Sciences & the Fifth Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong 511436, China
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20
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Shen J, Jiang X, Wu H, Xu J, Zhu Q, Zhang P. Copper-catalyzed selective oxidation of hydrazones through C(sp 3)-H functionalization. Org Biomol Chem 2021; 19:8917-8923. [PMID: 34617555 DOI: 10.1039/d1ob01563j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A simple and mild protocol for copper-catalyzed oxidation of hydrazones at the α-position has been reported. Various substrates are compatible, providing the corresponding products in moderate to good yields. This strategy provides an efficient and convenient solution for the synthesis of carbonyl hydrazone. A free radical pathway mechanism is suggested for the transformation.
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Affiliation(s)
- Jiabin Shen
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China. .,College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, People's Republic of China.
| | - Xiaoying Jiang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, People's Republic of China. .,College of Chemistry and Chemical Engineering, Central south University, Changsha, 410083, P.R. China
| | - Haifeng Wu
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China. .,College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, People's Republic of China.
| | - Jun Xu
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, People's Republic of China.
| | - Qing Zhu
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, Zhejiang University of Technology, Hangzhou 310014, China.
| | - Pengfei Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, People's Republic of China.
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21
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Jia ZS, Yue Q, Li Y, Xu XT, Zhang K, Shi BF. Copper-catalyzed monoselective C-H amination of ferrocenes with alkylamines. Beilstein J Org Chem 2021; 17:2488-2495. [PMID: 34646397 PMCID: PMC8491713 DOI: 10.3762/bjoc.17.165] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2021] [Accepted: 09/22/2021] [Indexed: 12/18/2022] Open
Abstract
A copper-catalyzed mono-selective C–H amination of ferrocenes assisted by 8-aminoquinoline is presented here. A range of amines, including bioactive molecules, were successfully installed to the ortho-position of ferrocene amides with high efficiency under mild conditions. A range of functionalized ferrocenes were compatible to give the aminated products in moderate to good yields. The gram-scale reaction was smoothly conducted and the directing group could be removed easily under basic conditions.
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Affiliation(s)
- Zhen-Sheng Jia
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong, 529020, China
| | - Qiang Yue
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Ya Li
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China
| | - Xue-Tao Xu
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong, 529020, China
| | - Kun Zhang
- School of Biotechnology and Health Sciences, Wuyi University, Jiangmen, Guangdong, 529020, China
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, Zhejiang, 310027, China.,Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, He'nan, 453007, China
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22
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Liu S, Mao H, Qiao J, Zhang X, Lu Y, Gong X, Jia A, Gu L, Wu X, Zhao F. Temperature‐Controlled Divergent Synthesis of Tetrasubstituted Alkenes and Pyrrolo[1,2‐
a
]indole Derivatives via Iridium Catalysis. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Siyu Liu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Hui Mao
- College of Pharmacy Jinhua Polytechnic 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Jin Qiao
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Xiaoning Zhang
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Yangbin Lu
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
| | - Xin Gong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
| | - Aiqiong Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
| | - Linghui Gu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
| | - Xiaowei Wu
- Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zuchongzhi Road Shanghai 201203 P. R. China
- Zhongshan Institute for Drug Discovery Shanghai Institute of Materia Medica Chinese Academy of Sciences Zhongshan 528400 P. R. China
| | - Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University No. 2025, Chengluo Avenue Chengdu 610106 P. R. China
- Jinhua Branch Sichuan Industrial Institute of Antibiotics School of Pharmacy Chengdu University 888 West Hai Tang Road Jinhua 321007 P. R. China
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23
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Mirza‐Aghayan M, Saeedi M, Boukherroub R. Carbon–nitrogen bond formation using modified graphene oxide derivatives decorated with copper complexes and nanoparticles. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | - Mandana Saeedi
- Chemistry and Chemical Engineering Research Center of Iran (CCERCI) Tehran Iran
| | - Rabah Boukherroub
- Institute of Electronics, Microelectronics and Nanotechnology (IEMN), UMR8520 Univ. Lille, CNRS, Centrale Lille, Univ. Polytechnique Hauts‐de‐France Lille France
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24
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Tran KM, Ho NT, Le TTT, Nguyen TT, Phan NTS. Copper‐Mediated (2‐Methylthio)aniline Directed Annulation of sp
2
C−H Bonds with Primary Anilines. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Khoa M. Tran
- Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward Thu Duc District, Ho Chi Minh City Vietnam
| | - Nhat T. Ho
- Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward Thu Duc District, Ho Chi Minh City Vietnam
| | - Trang T. T. Le
- Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward Thu Duc District, Ho Chi Minh City Vietnam
| | - Tung T. Nguyen
- Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward Thu Duc District, Ho Chi Minh City Vietnam
| | - Nam T. S. Phan
- Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet, District 10 Ho Chi Minh City Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward Thu Duc District, Ho Chi Minh City Vietnam
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25
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Zhao F, Qiao J, Lu Y, Zhang X, Dai L, Liu S, Ni H, Jia X, Wu X, Lu S. Redox-Neutral Rhodium(III)-Catalyzed Chemospecific and Regiospecific [4+1] Annulation between Indoles and Alkenes for the Synthesis of Functionalized Imidazo[1,5- a]indoles. J Org Chem 2021; 86:10591-10607. [PMID: 34297561 DOI: 10.1021/acs.joc.1c01256] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exploiting internal alkenes embedded with an oxidizing function/leaving group as a rare and unconventional one-carbon unit, a redox-neutral rhodium(III)-catalyzed chemo- and regiospecific [4+1] annulation between indoles and alkenes for the synthesis of functionalized imidazo[1,5-a]indoles has been achieved. Internal alkenes employed here can fulfill an unusual [4+1] annulation rather than normal [4+2] annulation/C-H alkenylation. This method is characterized by excellent chemo- and regioselectivity, broad substrate scope, good functional group tolerance, good to high yields, and redox-neutral conditions.
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Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China.,Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Jin Qiao
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Yangbin Lu
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Xiaoning Zhang
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Long Dai
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Siyu Liu
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Hangcheng Ni
- Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaowei Wu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai 201203, P. R. China.,Zhongshan Institute for Drug Discovery, the Institutes of Drug Discovery and Development, Chinese Academy of Sciences, Zhongshan 528400, P. R. China
| | - Shiyao Lu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China.,Jinhua Branch, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Jinhua 321007, P. R. China
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26
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Shabani S, Wu Y, Ryan HG, Hutton CA. Progress and perspectives on directing group-assisted palladium-catalysed C-H functionalisation of amino acids and peptides. Chem Soc Rev 2021; 50:9278-9343. [PMID: 34254063 DOI: 10.1039/d0cs01441a] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Peptide modifications can unlock a variety of compounds with structural diversity and abundant biological activity. In nature, peptide modifications, such as functionalisation at the side-chain position of amino acids, are performed using post-translational modification enzymes or incorporation of unnatural amino acids. However, accessing these modifications remains a challenge for organic chemists. During the past decades, selective C-H activation/functionalisation has attracted considerable attention in synthetic organic chemistry as a pathway to peptide modification. Various directing group strategies have been discovered that assist selective C-H activation. In particular, bidentate directing groups that enable tuneable and reversible coordination are now recognised as one of the most efficient methods for the site-selective C-H activation and functionalisation of numerous families of organic compounds. Synthetic peptide chemists have harnessed bidentate directing group strategies for selective functionalisation of the β- and γ-positions of amino acids. This method has been expanded and recognised as an effective device for the late stage macrocyclisation and total synthesis of complex peptide natural products. In this review, we discuss various β-, γ-, and δ-C(sp3)-H bond functionalisation reactions of amino acids for the formation of C-X bonds with the aid of directing groups and their application in late-stage macrocyclisation and the total synthesis of complex peptide natural products.
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Affiliation(s)
- Sadegh Shabani
- School of Chemistry and Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Victoria, 3010, Australia.
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27
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Banga S, Kaur R, Babu SA. Construction of Racemic and Enantiopure Biaryl Unnatural Amino Acid Derivatives via Pd(II)‐Catalyzed Arylation of Unactivated Csp
3
−H Bonds. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100683] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Shefali Banga
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali Knowledge City Sector 81 SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Ramandeep Kaur
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali Knowledge City Sector 81 SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical Sciences Indian Institute of Science Education and Research Mohali Knowledge City Sector 81 SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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28
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Sarkar W, Mishra A, Bhowmik A, Deb I. Copper-Catalyzed Direct sp 2 C-H Silylation of Arylamides Using Disilanes. Org Lett 2021; 23:4521-4526. [PMID: 33984233 DOI: 10.1021/acs.orglett.1c01129] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A copper-catalyzed method for direct intermolecular ortho-silylation of benzamides has been developed that affords organosilane products in moderate to high yields. The key features include: (i) use of commercially available disilanes as a silicon source with 8-aminoquinoline as a bidentate directing group, (ii) use of earth-abundant first-row transition metal, (iii) operationally simple conditions without the need of an inert atmosphere, and (iv) tolerance of a wide range of functional groups. The practicality and effectiveness of this method have been demonstrated by a gram-scale experiment. This strategy, therefore, constitutes a convenient way of constructing C-Si bonds useful for synthetic organic chemistry.
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Affiliation(s)
- Writhabrata Sarkar
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Aniket Mishra
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Arup Bhowmik
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
| | - Indubhusan Deb
- Organic and Medicinal Chemistry Division, CSIR-Indian Institute of Chemical Biology, 4-Raja S. C. Mullick Road, Jadavpur, Kolkata 700032, India
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29
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Luo J, Fu Q. Aldehyde‐Directed C(
sp
2
)−H Functionalization under Transition‐Metal Catalysis. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100325] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Junfei Luo
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province School of Materials Science and Chemical Engineering Ningbo University Ningbo 315211 P. R. China
| | - Qiang Fu
- School of Pharmacy Southwest Medical University Luzhou 610041 P. R. China
- Department of Pharmacy The Affiliated Hospital of Southwest Medical University Luzhou 646000 P. R. China
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30
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The Influence of Copper on Halogenation/Dehalogenation Reactions of Aromatic Compounds and Its Role in the Destruction of Polyhalogenated Aromatic Contaminants. Catalysts 2021. [DOI: 10.3390/catal11030378] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
The effect of copper and its compounds on halogenation and dehalogenation of aromatic compounds will be discussed in the proposed article. Cu oxidized to appropriate halides is an effective halogenation catalyst not only for the synthesis of halogenated benzenes or their derivatives as desired organic fine chemicals, but is also an effective catalyst for the undesirable formation of thermodynamically stable and very toxic polychlorinated and polybrominated aromatic compounds such as polychlorinated biphenyls, dibenzo-p-dioxins and dibenzofurans accompanied incineration of waste contaminated with halogenated compounds or even inorganic halides. With appropriate change in reaction conditions, copper and its alloys or oxides are also able to effectively catalyze dehalogenation reactions, as will be presented in this review.
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31
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Strategic evolution in transition metal-catalyzed directed C–H bond activation and future directions. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213683] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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32
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Liu J, Jiang J, Yang Z, Zeng Q, Zheng J, Zhang S, Zheng L, Zhang SS, Liu ZQ. Rhodium(III)-catalyzed oxidative alkylation of N-aryl-7-azaindoles with cyclopropanols. Org Biomol Chem 2021; 19:993-997. [PMID: 33443262 DOI: 10.1039/d0ob02323j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An efficient Rh(iii)-catalyzed C-H oxidative alkylation of N-aryl-7-azaindoles with cyclopropanols by merging tandem C-H and C-C cleavage was developed. This transformation features mild reaction conditions, high regioselectivity, and excellent functional group compatibility. The resulting β-aryl ketone derivatives can be readily transformed into 7-azaindole-containing π-extended polycyclic heteroarenes.
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Affiliation(s)
- Jidan Liu
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Jinyuan Jiang
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Zhenke Yang
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Qiaohai Zeng
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Jieying Zheng
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Siying Zhang
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Liyao Zheng
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
| | - Shang-Shi Zhang
- Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, P. R. China
| | - Zhao-Qing Liu
- School of Chemistry and Chemical Engineering/Institute of Clean Energy and Materials/Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou, 510006, P. R. China.
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33
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Chen X, Dong X, Zhou ZH. Polymeric copper(II) diethylenetriaminepentaacetates for gas adsorptions. Polyhedron 2021. [DOI: 10.1016/j.poly.2020.114970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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34
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Torralvo H, Albert J, Ariza X, Font-Bardia M, Garcia J, Granell J, Martinez M. Pyridine- and Quinoline-Derived Imines as N, N-Bidentate Directing Groups in Palladium versus Platinum C–H Bond Activation Reactions. Organometallics 2021. [DOI: 10.1021/acs.organomet.0c00703] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Héctor Torralvo
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica i Institut de Biomedicina (IBUB), Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
| | - Joan Albert
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Facultat de Quimica, Universitat de Barcelona, Martí i Franquès 1-11. 08028 Barcelona, Spain
| | - Xavier Ariza
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica i Institut de Biomedicina (IBUB), Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
- CIBER Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
| | - Mercè Font-Bardia
- Unitat de Difracció de Raigs-X., Centre Científic i Tecnològ̀ic de la Universitat de Barcelona, Universitat de Barcelona, Solé i Sabarís1-3, 08028 Barcelona, Spain
- Departament de Cristal·lografia, Mineralogia i Dipòsits Minerals, Facultat de Geologia, Martí i Franquès s/n, 08028 Barcelona, Spain
| | - Jordi Garcia
- Departament de Química Inorgànica i Orgànica, Secció de Química Orgànica i Institut de Biomedicina (IBUB), Facultat de Química, Universitat de Barcelona, Martí i Franquès 1-11, 08028 Barcelona, Spain
- CIBER Fisiopatología de la Obesidad y la Nutrición (CIBERobn), Instituto de Salud Carlos III, Madrid, Spain
| | - Jaume Granell
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Facultat de Quimica, Universitat de Barcelona, Martí i Franquès 1-11. 08028 Barcelona, Spain
| | - Manuel Martinez
- Departament de Química Inorgànica i Orgànica, Secció de Química Inorgànica, Facultat de Quimica, Universitat de Barcelona, Martí i Franquès 1-11. 08028 Barcelona, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Universitat de Barcelona, 08028 Barcelona, Spain
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35
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Jin RX, Dai JC, Li Y, Wang XS. Copper-Catalyzed Intramolecular Amination of C(sp 3)-H Bond of Secondary Amines to Access Azacycles. Org Lett 2021; 23:421-426. [PMID: 33395308 DOI: 10.1021/acs.orglett.0c03934] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The cross-coupling of C-N bond directly from inert C-H bonds is an ideal approach to synthesize saturated azacycles due to its high efficiency and atom economy. In this article, a copper-catalyzed intramolecular amination via the cross coupling of C(sp3)-H and N-H bonds of secondary amine has been reported, which exhibit excellent chemo- and regioselectivity, extensive substrate scope, and functional group tolerance in good to excellent yield, offering an efficient pathway to build nitrogen-containing heterocycle skeletons.
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Affiliation(s)
- Ruo-Xing Jin
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
| | - Jing-Cheng Dai
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
| | - Yan Li
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
| | - Xi-Sheng Wang
- Hefei National Laboratory for Physical Sciences at the Microscale and Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, China
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36
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Zhao F, Gong X, Lu Y, Qiao J, Jia X, Ni H, Wu X, Zhang X. Additive-Controlled Divergent Synthesis of Tetrasubstituted 1,3-Enynes and Alkynylated 3H-Pyrrolo[1,2-a]indol-3-ones via Rhodium Catalysis. Org Lett 2021; 23:727-733. [DOI: 10.1021/acs.orglett.0c03950] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Fei Zhao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xin Gong
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Yangbin Lu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Jin Qiao
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiuwen Jia
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Hangcheng Ni
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaowei Wu
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
| | - Xiaoning Zhang
- Antibiotics Research and Re-evaluation Key Laboratory of Sichuan Province, Sichuan Industrial Institute of Antibiotics, School of Pharmacy, Chengdu University, Chengdu 610106, P. R. China
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37
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Feng YL, Shi BF. Recent Advances in Base Metal (Copper, Cobalt and Nickel)-Catalyzed Directed C—H Amination. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202104004] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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38
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Cheng HC, Guo PH, Ma JL, Hu XQ. Directing group strategies in catalytic sp2 C–H cyanations: scope, mechanism and limitations. Catal Sci Technol 2021. [DOI: 10.1039/d1cy00241d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Directing group strategy in transition metal catalyzed sp2 C–H bond cyanation has contributed to the direct conversion of hydrocarbons to cyano-containing compounds. Recent developments in transition metal-mediated sp2 C–H bond cyanation using this strategy are reviewed.
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Affiliation(s)
- Hui-cheng Cheng
- College of Chemistry
- Guangdong University of Petrochemical Technology
- Maoming 525000
- PR China
| | - Peng-hu Guo
- College of Chemistry
- Guangdong University of Petrochemical Technology
- Maoming 525000
- PR China
| | - Jiao-li Ma
- College of Chemistry
- Guangdong University of Petrochemical Technology
- Maoming 525000
- PR China
| | - Xiao-Qiang Hu
- Key Laboratory of Catalysis and Energy Materials Chemistry of Ministry of Education & Hubei Key Laboratory of Catalysis and Materials Science
- School of Chemistry and Materials Science
- South-Central University for Nationalities
- Wuhan 430074
- China
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39
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Ai C, Liao X, Zhou Y, Yan Z, Lin S. SO2F2-mediated deoxygenative C2-sulfonylation of quinoline N-oxides with sodium sulfinates. Tetrahedron Lett 2020. [DOI: 10.1016/j.tetlet.2020.152586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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40
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Xu S, Hirano K, Miura M. Pd-Catalyzed Regioselective C–H Alkenylation and Alkynylation of Allylic Alcohols with the Assistance of a Bidentate Phenanthroline Auxiliary. Org Lett 2020; 22:9059-9064. [DOI: 10.1021/acs.orglett.0c03444] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Shibo Xu
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Koji Hirano
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Masahiro Miura
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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41
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Sen C, Sarvaiya B, Sarkar S, Ghosh SC. Room-Temperature Synthesis of Isoindolone Spirosuccinimides: Merger of Visible-Light Photocatalysis and Cobalt-Catalyzed C-H Activation. J Org Chem 2020; 85:15287-15304. [PMID: 33141591 DOI: 10.1021/acs.joc.0c02120] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A room-temperature C-H bond functionalization of benzamides has been developed by merging a photocatalyst with a cobalt catalyst for the synthesis of isoindolone spirosuccinimides. The reaction proceeds in aerobic conditions and does not require any sacrificial external oxidants such as Ag(I) or Mn(III) salts. Visible light activates the photocatalyst, and it acts as an electron-transfer reagent and helps in the fundamental organometallic steps by modulating the oxidation state of the cobalt complex. This C-H bond functionalization and spirocyclization showed wide substrate scope and good functional group tolerance. A possible reaction mechanism was proposed from the experimental outcome, showing that C-H bond activation is irreversible and not the rate-determining step.
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Affiliation(s)
- Chiranjit Sen
- Natural Products and Green Chemistry Division, Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), G.B. Marg, Bhavnagar 364002, Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Bhavesh Sarvaiya
- Natural Products and Green Chemistry Division, Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), G.B. Marg, Bhavnagar 364002, Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Souvik Sarkar
- Natural Products and Green Chemistry Division, Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), G.B. Marg, Bhavnagar 364002, Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Subhash Chandra Ghosh
- Natural Products and Green Chemistry Division, Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), G.B. Marg, Bhavnagar 364002, Gujarat, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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42
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Iqbal Z, Joshi A, Ranjan De S. Recent Advancements on Transition‐Metal‐Catalyzed, Chelation‐Induced
ortho
‐Hydroxylation of Arenes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000762] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Zafar Iqbal
- National Institute of Technology Uttarakhand Srinagar Garhwal Uttarakhand 246174 India
| | - Asha Joshi
- National Institute of Technology Uttarakhand Srinagar Garhwal Uttarakhand 246174 India
| | - Saroj Ranjan De
- National Institute of Technology Uttarakhand Srinagar Garhwal Uttarakhand 246174 India
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43
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Ohara N, Rej S, Chatani N. Rh(I)-catalyzed Addition of the ortho C-H Bond in Aryl Sulfonamides to Maleimides. CHEM LETT 2020. [DOI: 10.1246/cl.200353] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Nozomi Ohara
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Supriya Rej
- 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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44
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Jagtap RA, Verma SK, Punji B. MnBr 2-Catalyzed Direct and Site-Selective Alkylation of Indoles and Benzo[ h]quinoline. Org Lett 2020; 22:4643-4647. [PMID: 32491871 DOI: 10.1021/acs.orglett.0c01398] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Manganese-catalyzed regioselective C-H alkylation of indoles and benzo[h]quinoline with a variety of unactivated alkyl iodides is reported. Unlike other Mn-catalyzed C-H functionalization, this protocol does not require a Grignard reagent base and employs a simple and inexpensive MnBr2 as a catalyst. This method tolerates diverse functionalities, including fluoro, chloro, bromo, iodo, alkenyl, alkynyl, pyrrolyl, and carbazolyl groups. The alkylation proceeds through a single-electron transfer pathway comprising reversible C-H manganesation and involving an alkyl radical intermediate.
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45
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Morisaki K, Morimoto H, Ohshima T. Recent Progress on Catalytic Addition Reactions to N-Unsubstituted Imines. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01212] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Kazuhiro Morisaki
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Hiroyuki Morimoto
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
| | - Takashi Ohshima
- Graduate School of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-8582, Japan
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46
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Dethe DH, C B N, Bhat AA. Cp*Co(III)-Catalyzed Ketone-Directed ortho-C-H Activation for the Synthesis of Indene Derivatives. J Org Chem 2020; 85:7565-7575. [PMID: 32364736 DOI: 10.1021/acs.joc.0c00727] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
A weakly coordinating, carbonyl-assisted C-H activation of aromatic systems with α,β-unsaturated ketone and subsequent aldol condensation has been developed using a Cp*Co(CO)I2 catalyst. The developed method is the first example of indene synthesis by cobalt-catalyzed C-H activation. In addition, the reaction requires mild reaction conditions and easily accessible starting materials, and it shows excellent functional group compatibility.
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Affiliation(s)
- Dattatraya H Dethe
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Nagabhushana C B
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Arsheed Ahmad Bhat
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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47
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Huang MQ, Li TJ, Liu JQ, Shatskiy A, Kärkäs MD, Wang XS. Switchable Copper-Catalyzed Approach to Benzodithiole, Benzothiaselenole, and Dibenzodithiocine Skeletons. Org Lett 2020; 22:3454-3459. [PMID: 32286077 PMCID: PMC7343286 DOI: 10.1021/acs.orglett.0c00907] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Indexed: 12/19/2022]
Abstract
A copper-catalyzed reaction between 2-bromo-benzothioamides and S8 or Se involving sulfur rearrangement is reported, enabling access to benzodithioles 2 and benzothiaselenoles 6 in the presence of Cs2CO3. In the absence of S8 or Se, the reaction affords dibenzodithiocines 7 via two consecutive C(sp2)-S Ullmann couplings.
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Affiliation(s)
- Meng-Qiao Huang
- School
of Chemistry and Materials Science, Jiangsu Key Laboratory of Green
Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
| | - Tuan-Jie Li
- School
of Chemistry and Materials Science, Jiangsu Key Laboratory of Green
Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
| | - Jian-Quan Liu
- School
of Chemistry and Materials Science, Jiangsu Key Laboratory of Green
Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Andrey Shatskiy
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Markus D. Kärkäs
- Department
of Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
| | - Xiang-Shan Wang
- School
of Chemistry and Materials Science, Jiangsu Key Laboratory of Green
Synthesis for Functional Materials, Jiangsu
Normal University, Xuzhou, Jiangsu 221116, China
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48
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Liu Y, Xia Y, Shi B. Ni‐Catalyzed Chelation‐Assisted
Direct Functionalization of Inert C—H Bonds. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.201900468] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Yan‐Hua Liu
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310027 China
| | - Yu‐Nong Xia
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310027 China
| | - Bing‐Feng Shi
- Department of ChemistryZhejiang University Hangzhou Zhejiang 310027 China
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49
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Affiliation(s)
- Quan Zheng
- College of Pharmaceutical Science and Institute of Drug Development & Chemical BiologyZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Chen‐Fu Liu
- College of Pharmaceutical ScienceGannan Medical University Ganzhou 341000 People's Republic of China
| | - Jie Chen
- College of Pharmaceutical Science and Institute of Drug Development & Chemical BiologyZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Guo‐Wu Rao
- College of Pharmaceutical Science and Institute of Drug Development & Chemical BiologyZhejiang University of Technology Hangzhou 310014 People's Republic of China
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50
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Yaqoob Bhat M, Kumar A, Naveed Ahmed Q. Selenium dioxide promoted dinitrogen extrusion/direct selenation of arylhydrazines and anilines. Tetrahedron 2020. [DOI: 10.1016/j.tet.2020.131105] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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