1
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Hajra AK, Ghosh P, Roy C, Kundu M, Ghosh S, Das S. Copper(II)-catalyzed, site-selective C(sp) 2-H amination using 8-aminoimidazo[1,2- a]pyridine (8-AIP) as a directing group. Org Biomol Chem 2024; 22:6617-6630. [PMID: 39101878 DOI: 10.1039/d4ob01008f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/06/2024]
Abstract
An efficient copper(II)-catalyzed regioselective ortho C(sp2)-H amination of arenes/heteroarenes has been developed with the assistance of 8-AIP (8-aminoimidazo[1,2-a]pyridine) as an efficacious 6,5-fused bicyclic removable chelating auxiliary. This operationally simple approach is scalable, has a broad substrate scope, and is highly compatible with functional groups. Furthermore, post-diversification of the synthesized derivatives demonstrates the methodology's synthetic adaptability.
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Affiliation(s)
- Arun Kumar Hajra
- TCG Life Sciences Pvt. Ltd, BN-7, Salt Lake City, Kolkata-700091, India.
- Department of Chemistry, University of North Bengal, Darjeeling-734013, India.
| | - Prasanjit Ghosh
- Department of Chemistry, University of North Bengal, Darjeeling-734013, India.
| | - Chandrayee Roy
- TCG Life Sciences Pvt. Ltd, BN-7, Salt Lake City, Kolkata-700091, India.
| | - Mrinalkanti Kundu
- TCG Life Sciences Pvt. Ltd, BN-7, Salt Lake City, Kolkata-700091, India.
| | - Shibaji Ghosh
- Department of Chemistry, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, Gujarat, 364002, India
| | - Sajal Das
- Department of Chemistry, University of North Bengal, Darjeeling-734013, India.
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2
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Staronova L, Yamazaki K, Xu X, Shi H, Bickelhaupt FM, Hamlin TA, Dixon DJ. Cobalt-Catalyzed Enantio- and Regioselective C(sp 3 )-H Alkenylation of Thioamides. Angew Chem Int Ed Engl 2024; 63:e202316021. [PMID: 38143241 DOI: 10.1002/anie.202316021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 12/26/2023]
Abstract
An enantioselective cobalt-catalyzed C(sp3 )-H alkenylation of thioamides with but-2-ynoate ester coupling partners employing thioamide directing groups is presented. The method is operationally simple and requires only mild reaction conditions, while providing alkenylated products as single regioisomers in excellent yields (up to 85 %) and high enantiomeric excess [up to 91 : 9 enantiomeric ratio (er), or up to >99 : 1 er after a single recrystallization]. Diverse downstream derivatizations of the products are demonstrated, delivering a range of enantioenriched constructs. Extensive computational studies using density functional theory provide insight into the detailed reaction mechanism, origin of enantiocontrol, and the unusual regioselectivity of the alkenylation reaction.
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Affiliation(s)
- Lucia Staronova
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Ken Yamazaki
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
- Department of Chemistry and Pharmaceutical Sciences, AIMMS, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Xing Xu
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - Heyao Shi
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
| | - F Matthias Bickelhaupt
- Department of Chemistry and Pharmaceutical Sciences, AIMMS, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
- Institute of Molecules and Materials, Radboud University, Heyendaalseweg 135, 6525 AJ, Nijmegen, The Netherlands
- Department of Chemical Sciences, University of Johannesburg, Auckland Park, Johannesburg, 2006, South Africa
| | - Trevor A Hamlin
- Department of Chemistry and Pharmaceutical Sciences, AIMMS, Vrije Universiteit Amsterdam, De Boelelaan 1108, 1081 HZ, Amsterdam, The Netherlands
| | - Darren J Dixon
- Department of Chemistry, Chemistry Research Laboratory University of Oxford, 12 Mansfield Road, Oxford, OX1 3TA, UK
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3
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Zuo Y, Liu M, Du J, Zhang T, Wang X, Wang C. Ir(iii)/Ag(i)-catalyzed directly C-H amidation of arenes with OH-free hydroxyamides as amidating agents. RSC Adv 2024; 14:5975-5980. [PMID: 38362076 PMCID: PMC10867557 DOI: 10.1039/d4ra00517a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 02/09/2024] [Indexed: 02/17/2024] Open
Abstract
A versatile Ir(iii)-catalyzed C-H amidation of arenes by employing readily available and stable OH-free hydroxyamides as a novel amidation source. The reaction occurred with high efficiency and tolerance of a range of functional groups. A wide scope of aryl OH-free hydroxyzamides, including conjugated and challenging non-conjugated OH-free hydroxyzamides, were capable of this transformation and no addition of an external oxidant is required. This protocol provided a simple, straightforward and economic method to a variety N-(2-(1H-pyrazol-1-yl)alkyl)amide derivates with good to excellent yield. Mechanistic study demonstrated that reversible C-H bond functionalisation might be involved in this reaction.
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Affiliation(s)
- Youpeng Zuo
- School of Chemistry and Chemical Engineering, Suzhou University Suzhou 234000 P. R. China
| | - Meijun Liu
- School of Chemistry and Chemical Engineering, Suzhou University Suzhou 234000 P. R. China
| | - Jun Du
- School of Chemistry and Chemical Engineering, Suzhou University Suzhou 234000 P. R. China
| | - Tianren Zhang
- School of Chemistry and Chemical Engineering, Suzhou University Suzhou 234000 P. R. China
| | - Xiaoqing Wang
- School of Chemistry and Chemical Engineering, Suzhou University Suzhou 234000 P. R. China
| | - Cong Wang
- School of Chemistry and Chemical Engineering, Suzhou University Suzhou 234000 P. R. China
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4
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Zhu YL, Zhao N, Fu XL, Zhao XY, Li YL, Shao YD, Chen J, Lu Y. Co(III)-Catalyzed C6-Selective C-H Activation/Pyridine Migration of 2-Pyridones with Propiolates. Org Lett 2024; 26:12-17. [PMID: 38127552 DOI: 10.1021/acs.orglett.3c03358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
A versatile Co(III)-catalyzed C6-selective C-H activation/pyridine migration of 2-pyridones with available propiolates as coupling partners was demonstrated. This method features high atom economy, excellent regioselectivity, and good functional group tolerance by employing an inexpensive Co(III) catalyst under mild reaction conditions. Moreover, gram-scale synthesis and late-stage modifications of pharmaceuticals were performed to prove the effectiveness of these synthetic approaches.
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Affiliation(s)
- Yue-Lu Zhu
- School of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274015, P. R. China
| | - Na Zhao
- School of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274015, P. R. China
| | - Xin-Long Fu
- School of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274015, P. R. China
| | - Xin-Yang Zhao
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yan-Lin Li
- School of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274015, P. R. China
| | - You-Dong Shao
- School of Chemistry and Chemical Engineering, Heze University, Heze, Shandong 274015, P. R. China
| | - Jiao Chen
- College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710127, P. R. China
- College of Life Sciences, Northwest University, Xi'an, Shaanxi 710069, P. R. China
| | - Yi Lu
- Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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5
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de Carvalho RL, Diogo EBT, Homölle SL, Dana S, da Silva Júnior EN, Ackermann L. The crucial role of silver(I)-salts as additives in C-H activation reactions: overall analysis of their versatility and applicability. Chem Soc Rev 2023; 52:6359-6378. [PMID: 37655711 PMCID: PMC10714919 DOI: 10.1039/d3cs00328k] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Indexed: 09/02/2023]
Abstract
Transition-metal catalyzed C-H activation reactions have been proven to be useful methodologies for the assembly of synthetically meaningful molecules. This approach bears intrinsic peculiarities that are important to be studied and comprehended in order to achieve its best performance. One example is the use of additives for the in situ generation of catalytically active species. This strategy varies according to the type of additive and the nature of the pre-catalyst that is being used. Thus, silver(I)-salts have proven to play an important role, due to the resulting high reactivity derived from the pre-catalysts of the main transition metals used so far. While being powerful and versatile, the use of silver-based additives can raise concerns, since superstoichiometric amounts of silver(I)-salts are typically required. Therefore, it is crucial to first understand the role of silver(I) salts as additives, in order to wisely overcome this barrier and shift towards silver-free systems.
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Affiliation(s)
- Renato L de Carvalho
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais-UFMG, 31270-901, Belo Horizonte, MG, Brazil.
| | - Emilay B T Diogo
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais-UFMG, 31270-901, Belo Horizonte, MG, Brazil.
| | - Simon L Homölle
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany.
| | - Suman Dana
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany.
| | - Eufrânio N da Silva Júnior
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais-UFMG, 31270-901, Belo Horizonte, MG, Brazil.
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077 Göttingen, Germany.
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6
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Pati BV, Puthalath NN, Banjare SK, Nanda T, Ravikumar PC. Transition metal-catalyzed C-H/C-C activation and coupling with 1,3-diyne. Org Biomol Chem 2023; 21:2842-2869. [PMID: 36917476 DOI: 10.1039/d3ob00238a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
This review provides a broad overview of the recent developments in the field of transition metal-catalyzed C-H/C-C bond activation and coupling with 1,3-diyne for assembling alkynylated heterocycles, bis-heterocycles, and 1,3-enynes. Transition metal-catalyzed inert bond (C-H/C-C) activation has been the focus of attention among synthetic chemists in recent times. Enormous developments have taken place in C-H/C-C bond activation chemistry in the last two decades. In recent years the use of 2π-unsaturated units as coupling partners for the synthesis of heterocycles through C-H/C-C bond activation and annulation sequence has received immense attention. Among the unsaturated units employed for assembling heterocycles, the use of 1,3-diynes has garnered significant attention due to its ability to render bis-heterocycles in a straightforward manner. The C-H bond activation and coupling with 1,3-diyne has been very much explored in recent years. However, the development of strategies for the use of 1,3-diynes in the analogous C-C bond activation chemistry is less explored. Earlier methods employed to assemble bis-heterocycle used heterocycles that were preformed and pre-functionalized via transition metal-catalyzed coupling reactions. The expensive pre-functionalized halo-heterocycles and sensitive and expensive heterocyclic metal reagents limit its broad application. However, the transition metal-catalyzed C-H activation obviates the need for expensive heterocyclic metal reagents and pre-functionalized halo-heterocycles. The C-H bond activation strategy makes use of C-H bonds as functional groups for effecting the transformation. This renders the overall synthetic sequence both step and cost economic. Hence, this strategy of C-H activation and subsequent reaction with 1,3-diyne could be used for the larger-scale synthesis of chemicals in the pharmaceutical industry. Despite these advances, there is still the possibility of exploration of earth-abundant and cost-effective first-row transition metals (Ni, Cu, Mn. Fe, etc.) for the synthesis of bis-heterocycles. Moreover, the Cp*-ligand-free, simple metal-salt-mediated synthesis of bis-heterocycles is also less explored. Thus, more exploration of reaction conditions for the Cp*-free synthesis of bis-heterocycles is called for. We hope this review will inspire scientists to investigate these unexplored domains.
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Affiliation(s)
- Bedadyuti Vedvyas Pati
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Nitha Nahan Puthalath
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Shyam Kumar Banjare
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Tanmayee Nanda
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Ponneri C Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Odisha 752050, India. .,Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
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7
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Gao Y, Li H, Zhao Y, Hu XQ. Nitrene transfer reaction with hydroxylamine derivatives. Chem Commun (Camb) 2023; 59:1889-1906. [PMID: 36661267 DOI: 10.1039/d2cc06318b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Recent progress on catalytic nitrene transfer reactions with hydroxylamine derivatives as prevalent precursors is summarized in this highlight. The salient features of these N-O derived nitrene transfer reagents are that they are readily available, bench-stable, and can be facilely activated by a range of transition metal-catalysts under mild conditions. The application of these reagents in transition metal-catalysis has led to many new amidation or amination reactions, such as C-H insertions and aziridination of olefins. These reagents have also been applied in difunctionalisation of unsaturated bonds, dearomative amination of indoles, and formation of N-X bonds. Moreover, the recent achievements in photocatalysis and enzyme catalysis further emphasize the importance of these appealing reagents. This highlight provides an overview of these reactions reported in recent years. Challenges and potential opportunities for future developments are also discussed.
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Affiliation(s)
- Yang Gao
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China.,Jieyang Branch of Chemistry and Chemical Engineering Guangdong Laboratory, Jieyang 515200, China.
| | - Haixia Li
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yupeng Zhao
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, 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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8
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Han L, Liu T, Wang H, Luan X. Palladium-Catalyzed Alkenyl C-H Activation/Diamination toward Tetrahydrocarbazole and Analogs Using Hydroxylamines as Single-Nitrogen Sources. Org Lett 2023; 25:58-63. [PMID: 36542630 DOI: 10.1021/acs.orglett.2c03809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A palladium-catalyzed alkenyl C-H activation/diamination reaction of cycloalkenyl bromoarenes with hydroxylamines is described. A wide range of tetrahydrocarbazoles and analogs has been prepared using fine-tuning bifunctional secondary hydroxylamines as the single-nitrogen sources. Mechanistic investigations suggest that the selective alkenyl C-H activation/diamination cascade process should build the N-heterocycles.
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Affiliation(s)
- Lingbo Han
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Tingjie Liu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Han Wang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
| | - Xinjun Luan
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, China
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9
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Wakikawa T, Sekine D, Murata Y, Bunno Y, Kojima M, Nagashima Y, Tanaka K, Yoshino T, Matsunaga S. Native Amide-Directed C(sp 3 )-H Amidation Enabled by Electron-Deficient Rh III Catalyst and Electron-Deficient 2-Pyridone Ligand. Angew Chem Int Ed Engl 2022; 61:e202213659. [PMID: 36305194 DOI: 10.1002/anie.202213659] [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: 09/16/2022] [Indexed: 11/07/2022]
Abstract
Trivalent group-9 metal catalysts with a cyclopentadienyl-type ligand (CpMIII ; M=Co, Rh, Ir, Cp=cyclopentadienyl) have been widely used for directed C-H functionalizations, albeit that their application to challenging C(sp3 )-H functionalizations suffers from the limitations of the available directing groups. In this report, we describe directed C(sp3 )-H amidation reactions of simple amide substrates with a variety of substituents. The combination of an electron-deficient CpE Rh catalyst (CpE =1,3-bis(ethoxycarbonyl)-substituted Cp) and an electron-deficient 2-pyridone ligand is essential for high reactivity.
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Affiliation(s)
- Takumi Wakikawa
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Daichi Sekine
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Yuta Murata
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Youka Bunno
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Masahiro Kojima
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Yuki Nagashima
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Tatsuhiko Yoshino
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
| | - Shigeki Matsunaga
- Faculty of Pharmaceutical Sciences, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan.,Global Station for Biosurfaces and Drug Discovery, Hokkaido University, Kita-ku, Sapporo, 060-0812, Japan
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10
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Van Emelen L, Lemmens V, Marquez C, Van Minnebruggen S, Usoltsev OA, Bugaev AL, Janssens K, Cheung KY, Van Velthoven N, De Vos DE. Cu-α-diimine Compounds Encapsulated in Porous Materials as Catalysts for Electrophilic Amination of Aromatic C-H Bonds. ACS APPLIED MATERIALS & INTERFACES 2022; 14:51867-51880. [PMID: 36349551 DOI: 10.1021/acsami.2c13980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Electrophilic amination has emerged as a more environmentally benign approach to construct arene C-N bonds. However, heterogeneous catalysts remain largely unexplored in this area, even though their use could facilitate product purification and catalyst recovery. Here we investigate strategies to heterogenize a Cu(2,2'-bipyridine) catalyst for the amination of arenes lacking a directing group with hydroxylamine-O-sulfonic acid (HOSA). Besides immobilization of Cu on a metal-organic framework (MOF) or covalent organic framework (COF) with embedded 2,2'-bipyridines, a ship-in-a-bottle approach was followed in which the Cu complex is encapsulated in the pores of a zeolite. Recyclability and hot centrifugation tests show that zeolite Beta-entrapped CuII(2,2'-bipyridine) is superior in terms of stability. With N-methylmorpholine as a weakly coordinating, weak base, simple arenes, such as mesitylene, could be aminated with yields up to 59%, corresponding to a catalyst TON of 24. The zeolite could be used in three consecutive runs without a decrease in activity. Characterization of the catalyst by EPR and XAS showed that the active catalytic complex consisted of a site-isolated CuII species with one 2,2'-bipyridine ligand.
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Affiliation(s)
- Lisa Van Emelen
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Vincent Lemmens
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Carlos Marquez
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Sam Van Minnebruggen
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Oleg A Usoltsev
- The Smart Materials Research Institute at the Southern Federal University, Sladkova 178/24, Rostov-on-Don 344090, Russia
| | - Aram L Bugaev
- The Smart Materials Research Institute at the Southern Federal University, Sladkova 178/24, Rostov-on-Don 344090, Russia
| | - Kwinten Janssens
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Ka Yan Cheung
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Niels Van Velthoven
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
| | - Dirk E De Vos
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy (cMACS), KU Leuven, Celestijnenlaan 200F Post Box 2454, Leuven 3001, Belgium
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11
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Nanda T, Banjare SK, Kong WY, Guo W, Biswal P, Gupta L, Linda A, Pati BV, Mohanty SR, Tantillo DJ, Ravikumar PC. Breaking the Monotony: Cobalt and Maleimide as an Entrant to the Olefin-Mediated Ortho C–H Functionalization. ACS Catal 2022. [DOI: 10.1021/acscatal.2c02872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tanmayee Nanda
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Shyam Kumar Banjare
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Wang-Yeuk Kong
- Department of Chemistry, University of California−Davis, Davis, California 95616, United States
| | - Wentao Guo
- Department of Chemistry, University of California−Davis, Davis, California 95616, United States
| | - Pragati Biswal
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Lokesh Gupta
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Astha Linda
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Bedadyuti Vedvyas Pati
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Smruti Ranjan Mohanty
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
| | - Dean J. Tantillo
- Department of Chemistry, University of California−Davis, Davis, California 95616, United States
| | - Ponneri C. Ravikumar
- School of Chemical Sciences, National Institute of Science Education and Research (NISER), Bhubaneswar, Odisha 752050, India
- Homi Bhabha National Institute, Training School Complex, Anushaktinagar, Mumbai 400094, India
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12
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Ravindar L, Hasbullah SA, Hassan NI, Qin HL. Cross‐Coupling of C‐H and N‐H Bonds: a Hydrogen Evolution Strategy for the Construction of C‐N Bonds. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Lekkala Ravindar
- Universiti Kebangsaan Malaysia Fakulti Teknologi dan Sains Maklumat Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Siti Aishah Hasbullah
- Universiti Kebangsaan Malaysia Fakulti Sains dan Teknologi Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Nurul Izzaty Hassan
- Universiti Kebangsaan Malaysia Fakulti Sains dan Teknologi Chemical Sciences Faculty of Science & Technology 43600 Bandar Baru Bangi MALAYSIA
| | - Hua-Li Qin
- Wuhan University of Technology School of Chemistry 430070 Hubei CHINA
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13
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Dahiya P, Sarkar A, Sundararaju B. Well‐defined [Cp*Co(N,O)I]‐Catalysts for Site‐selective Intramolecular C‐H Amidation. Adv Synth Catal 2022. [DOI: 10.1002/adsc.202200385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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14
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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15
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16
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Ban T, Vu HM, Zhang J, Yong JY, Liu Q, Li XQ. Rhodium-Catalyzed Azine-Directed C-H Amidation with N-Methoxyamides. J Org Chem 2022; 87:5543-5555. [PMID: 35417153 DOI: 10.1021/acs.joc.1c02868] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Using N-methoxyamide reagents as an amide source, C-H amidation was realized at the ortho position of azine under the action of rhodium and boric acid. The method has mild reaction conditions, high atomic utilization, excellent yield, and wide adaptability to amidation reagents (both aromatic amides and fatty amides are applicable). Amide-substituted ketones can be obtained by a simple treatment and can be further transformed into bioactive substances. This provides a good supplement for the C-H bond amidation of aromatic rings.
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Affiliation(s)
- Tao Ban
- School of Chemical and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Huu-Manh Vu
- School of Chemical and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Jing Zhang
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing 100700, P. R. China
| | - Jia-Yuan Yong
- School of Chemical and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Qiong Liu
- School of Chemical and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
| | - Xu-Qin Li
- School of Chemical and Biological Engineering, University of Science and Technology Beijing, Beijing 100083, P. R. China
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17
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Ding P, Han L, Bai J, Liu J, Luan X. Fine-tuning hydroxylamines as single-nitrogen sources for Pd(0)-catalyzed diamination of o-bromo(or chloro)-biaryls. Sci China Chem 2022. [DOI: 10.1007/s11426-021-1202-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Hu J, Wang C, Yu M, Zhang S, Chen N, Du H. Palladium‐Catalyzed N3‐Directed C‐H Halogenation of N9‐Arylpurines and Azapurines. European J Org Chem 2022. [DOI: 10.1002/ejoc.202101266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Junbin Hu
- Beijing University of Chemical Technology College of chemistry CHINA
| | - Chenxing Wang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Mingwu Yu
- Ludong University School of Chemical and Material Science CHINA
| | - Shaojuan Zhang
- Beijing University of Chemical Technology College of Chemistry CHINA
| | - Ning Chen
- Beijing University of Chemical Technolgy chemistry 15 North 3-rd east road, Beijing 100029 Beijing CHINA
| | - Hongguang Du
- Beijing university of chemical technology college of chemistry CHINA
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19
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Li X, Zhao Q, Shen Y, Ma R. Rh(III)-Catalyzed C-H Diamidation and Diamidation/Intramolecular Cyclization of N-Iminopyridinium Ylides with Dioxazolones. J Org Chem 2022; 87:3468-3481. [PMID: 35080889 DOI: 10.1021/acs.joc.1c03042] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A highly efficient Rh(III)-catalyzed C-H diamidation and diamidation/intramolecular cyclization of N-iminopyridinium ylides with dioxazolones has been developed, providing diamidated products and benzoxazinone products in good to excellent yields. Notably, the tunable selectivity of this reaction can be controlled by simply switching the solvent and the temperature. This reaction features operational simplicity, a broad substrate scope, and a good functional group tolerance.
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Affiliation(s)
- Xiang Li
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China.,Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Qing Zhao
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Yang Shen
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Ran Ma
- College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China.,Shaanxi Key Laboratory of Chemical Additives for Industry, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
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20
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Liu S, Zhang Y, Zhao C, Zhou X, Liang J, Zhang P, Jiao LY, Yang X, Ma Y. N-Aroyloxycarbamates as switchable nitrogen and oxygen precursor: Ir/Cu controlled divergent C–H functionalization of heteroarenes. Org Chem Front 2022. [DOI: 10.1039/d1qo01827b] [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
Chemodivergent control in the functionalization of nitrogen-directed aromatic C–H bonds has been achieved by a switchable catalyst.
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Affiliation(s)
- Shanshan Liu
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Yuanyuan Zhang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Chen Zhao
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Xianying Zhou
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Jiahui Liang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Pingjun Zhang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Lin-Yu Jiao
- School of Chemical Engineering, Northwest University, Xi'an, Shaanxi, 710069, P. R. China
| | - Xiufang Yang
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
| | - Yangmin Ma
- Shaanxi Key Laboratory of Chemical Additives for Industry, College of Chemistry and Chemical Engineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi, 710021, P. R. China
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21
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Van Emelen L, Henrion M, Lemmens R, De Vos D. C–N coupling reactions with arenes through C–H activation: the state-of-the-art versus the principles of green chemistry. Catal Sci Technol 2022. [DOI: 10.1039/d1cy01827b] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Herein, we discuss the state-of-the-art in arene C–N coupling through C–H activation and to what extent it complies with the principles of green chemistry, with a focus on heterogeneously catalysed systems.
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Affiliation(s)
- Lisa Van Emelen
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven – University of Leuven, Leuven Chem & Tech, Celestijnenlaan 200F Postbox 2454, Heverlee, Belgium
| | - Mickaël Henrion
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven – University of Leuven, Leuven Chem & Tech, Celestijnenlaan 200F Postbox 2454, Heverlee, Belgium
| | - Robin Lemmens
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven – University of Leuven, Leuven Chem & Tech, Celestijnenlaan 200F Postbox 2454, Heverlee, Belgium
| | - Dirk De Vos
- Centre for Membrane Separations, Adsorption, Catalysis and Spectroscopy for Sustainable Solutions (cMACS), Department of Microbial and Molecular Systems, KU Leuven – University of Leuven, Leuven Chem & Tech, Celestijnenlaan 200F Postbox 2454, Heverlee, Belgium
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22
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Xu C, Zhang Z, Liu T, Zhang W, Zhong W, Ling F. Hydrogen Evolution Enabled Rhodaelectro-Catalyzed [4+2] Annulations of Purines and 7-Deazapurines with Alkynes. Chem Commun (Camb) 2022; 58:9508-9511. [DOI: 10.1039/d2cc03625h] [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
A rhodium-catalyzed electrochemical regioselective annulation of 6-phenylpurines and 6-phenyl-7-deazapurines with alkynes has been developed. Electricity is used to recycle the active rhodium-based catalyst, promote the evolution of H2 and help...
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23
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Yang Y, Zhou B, Jiang J, Yang J, Li S. Ruthenium(II)-Catalyzed ortho Hydroxymethylation of 6-Arylpurines with Paraformaldehyde via Purine-Directed C-H Activation. HETEROCYCLES 2022. [DOI: 10.3987/com-22-14722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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24
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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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25
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26
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Lukasevics L, Cizikovs A, Grigorjeva L. C-H bond functionalization by high-valent cobalt catalysis: current progress, challenges and future perspectives. Chem Commun (Camb) 2021; 57:10827-10841. [PMID: 34570134 DOI: 10.1039/d1cc04382j] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Over the last decade, high-valent cobalt catalysis has earned a place in the spotlight as a valuable tool for C-H activation and functionalization. Since the discovery of its unique reactivity, more and more attention has been directed towards the utilization of cobalt as an alternative to noble metal catalysts. In particular, Cp*Co(III) complexes, as well as simple Co(II) and Co(III) salts in combination with bidentate chelation assistance, have been extensively used for the development of novel transformations. In this review, we have demonstrated the existing trends in the C-H functionalization methodology using high-valent cobalt catalysis and highlighted the main challenges to overcome, as well as perspective directions, which need to be further developed in the future.
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Affiliation(s)
- Lukass Lukasevics
- Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia.
| | - Aleksandrs Cizikovs
- Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia.
| | - Liene Grigorjeva
- Latvian Institute of Organic Synthesis, Aizkraukles 21, LV-1006 Riga, Latvia.
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27
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Sunny S, Karvembu R. Recent Advances in Cobalt‐Catalyzed, Directing‐Group‐Assisted C−H Bond Amidation Reactions. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202100558] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Sereena Sunny
- Department of Chemistry National Institute of Technology Tiruchirappalli 620015 India
| | - Ramasamy Karvembu
- Department of Chemistry National Institute of Technology Tiruchirappalli 620015 India
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28
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Yu F, Shen W, Sun Y, Liao Y, Jin S, Lu X, He R, Zhong L, Zhong G, Zhang J. Ruthenium-catalyzed C-H amination of aroylsilanes. Org Biomol Chem 2021; 19:6313-6321. [PMID: 34212972 DOI: 10.1039/d1ob00935d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Acylsilane represents a valuable synthon in synthetic chemistry. We report on ruthenium(ii)-catalyzed ortho-C-H amination of aroylsilanes to provide facile access to synthetically useful imidobenzoylsilanes and tosyl-amidobenzoylsilanes. The protocols, with broad substrate scope and excellent functional group tolerance, are enabled with the weak chelation-assistance of acylsilane via C-H cyclometallation.
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Affiliation(s)
- Feifei Yu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Wenzhou Shen
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Yaling Sun
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Yilei Liao
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Shuqi Jin
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Xiunan Lu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Rui He
- Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China.
| | - Liangjun Zhong
- Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China.
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China.
| | - Jian Zhang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China. and Department of Stomatology, The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou, 310015, China.
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29
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Mandal R, Garai B, Sundararaju B. Cp*Co III-Catalyzed C(7)-H Bond Annulation of Indolines with Alkynes. J Org Chem 2021; 86:9407-9417. [PMID: 34213334 DOI: 10.1021/acs.joc.1c00713] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
An efficient protocol for the synthesis of biologically essential pyrroloquinolinones has been developed under Cp*CoIII catalysis, which involves a cascade reaction of C(7)-H alkenylation with alkynes followed by nucleophilic addition. A wide variety of internal alkynes including enyne, diyne, and ynamide and more challenging terminal alkynes were successfully employed for the annulation in good to excellent yield with high regioselectivity.
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Affiliation(s)
- Rajib Mandal
- Fine Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India 208016
| | - Bholanath Garai
- Fine Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India 208016
| | - Basker Sundararaju
- Fine Chemical Laboratory, Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India 208016
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30
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Cao XT, Wei SN, Sun HT, Li M, Zheng ZL, Wang G. Iridium-catalyzed regioselective C-H sulfonamidation of 1,2,4-thiadiazoles with sulfonyl azides in water. RSC Adv 2021; 11:22000-22004. [PMID: 35480792 PMCID: PMC9034132 DOI: 10.1039/d1ra04450h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 12/20/2022] Open
Abstract
We have developed a regioselective C-N cross-coupling of 1,2,4-thiadiazoles with sulfonyl azides through iridium catalysis in water. This method tactically linked the 1,2,4-thiadiazoles and sulfonamides together, and the novel molecules increased the diversity of 1,2,4-thiadiazoles which may have potential applications.
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Affiliation(s)
- Xian-Ting Cao
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Su-Ning Wei
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Hao-Tian Sun
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Meng Li
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Zuo-Ling Zheng
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Guannan Wang
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
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31
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Direct synthesis of benzoxazinones via Cp*Co(III)-catalyzed C–H activation and annulation of sulfoxonium ylides with dioxazolones. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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32
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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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33
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Ning Z, Peng X, Bai R, Liu S, Li Z, Jiao L. Iridium Catalyzed C—H Amidation of Benzamides with Phosphoryl Azides in Ionic Liquids. CHINESE J ORG CHEM 2021. [DOI: 10.6023/cjoc202104039] [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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34
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Confair DN, Greenwood NS, Mercado BQ, Ellman JA. Rh(III)-Catalyzed Imidoyl C-H Carbamylation and Cyclization to Bicyclic [1,3,5]Triazinones. Org Lett 2020; 22:8993-8997. [PMID: 33172274 DOI: 10.1021/acs.orglett.0c03393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A Rh(III)-catalyzed synthesis of bicyclic [1,3,5]triazinones from a diverse array of imines coupled with ethyl (pivaloyloxy)carbamate is reported. The preparation of [5,6]- and [6,6]-bicyclic heterocycles substituted with aryl, alkyl, and alkoxy groups demonstrated a broad reaction scope. The efficiency of this approach was further enhanced with the development of a three-component variant featuring in situ imine formation. X-ray crystallographic characterization of a rhodacycle formed by imidoyl C-H activation provides support for the proposed mechanism.
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Affiliation(s)
- Danielle N Confair
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Nathaniel S Greenwood
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Brandon Q Mercado
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
| | - Jonathan A Ellman
- Department of Chemistry, Yale University, New Haven, Connecticut 06520, United States
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35
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Li G, Bi S. Substituent-controlled C-N coupling involved in Rh(III)-catalyzed oxidative [3+2] annulation of 2-acetyl-1-arylhydrazines with maleimides: A DFT study. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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36
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Dodangeh M, Ramazani A, Maghsoodlou MT, Zarei A, Rezayati S. Application of Readily Available Metals for C-H Activation. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824999200616114037] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Catalytic C-H activation is a powerful method for organic synthesis. In recent
years, scientists have made great progress by developing transitional metals for catalyzing CH
functionalization reaction. In this review, we summarized and highlighted recent progress
in C-H activation with copper, cobalt, iron, manganese, and nickel as catalysts.
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Affiliation(s)
- Mohammad Dodangeh
- Department of Chemistry, University of Zanjan, P.O. Box 45195-313, Zanjan, Iran
| | - Ali Ramazani
- Department of Chemistry, University of Zanjan, P.O. Box 45195-313, Zanjan, Iran
| | - Malek-Taher Maghsoodlou
- Department of Chemistry, The University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, Iran
| | - Armin Zarei
- Department of Chemistry, University of Zanjan, P.O. Box 45195-313, Zanjan, Iran
| | - Sobhan Rezayati
- Department of Chemistry, University of Zanjan, P.O. Box 45195-313, Zanjan, Iran
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37
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Lee J, Lee J, Jung H, Kim D, Park J, Chang S. Versatile Cp*Co(III)(LX) Catalyst System for Selective Intramolecular C–H Amidation Reactions. J Am Chem Soc 2020; 142:12324-12332. [DOI: 10.1021/jacs.0c04448] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Jia Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Jeonghyo Lee
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Hoimin Jung
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Dongwook Kim
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Juhyeon Park
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, South Korea
| | - Sukbok Chang
- Department of Chemistry, Korea Advanced Institute of Science and Technology (KAIST), Daejeon 34141, South Korea
- Center for Catalytic Hydrocarbon Functionalizations, Institute for Basic Science (IBS), Daejeon 34141, South Korea
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38
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Whyte A, Torelli A, Mirabi B, Prieto L, Rodríguez JF, Lautens M. Cobalt-Catalyzed Enantioselective Hydroarylation of 1,6-Enynes. J Am Chem Soc 2020; 142:9510-9517. [PMID: 32337994 DOI: 10.1021/jacs.0c03246] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
An asymmetric hydroarylative cyclization of enynes involving a C-H bond cleavage is reported. The cobalt-catalyzed cascade generates three new bonds in an atom-economical fashion. The products were obtained in excellent yields and excellent enantioselectivities as single diastereo- and regioisomers. Preliminary mechanistic studies indicate that the reaction shows no intermolecular C-H crossover. This work highlights the potential of cobalt catalysis in C-H bond functionalization and enantioselective domino reactivity.
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Affiliation(s)
- Andrew Whyte
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Alexa Torelli
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Bijan Mirabi
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Liher Prieto
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada.,Department of Organic Chemistry II, University of the Basque Country (UPV/EHU), 48080 Bilbao, Spain
| | - José F Rodríguez
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
| | - Mark Lautens
- Davenport Research Laboratories, Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, Ontario M5S 3H6, Canada
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39
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Khake SM, Chatani N. The Direct Rh(III)-Catalyzed C–H Amidation of Aniline Derivatives Using a Pyrimidine Directing Group: The Selective Solvent Controlled Synthesis of 1,2-Diaminobenzenes and Benzimidazoles. Org Lett 2020; 22:3655-3660. [DOI: 10.1021/acs.orglett.0c01126] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Shrikant M. Khake
- Department of Applied Chemistry, Faculty of Engineering, Suita, Osaka-565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Suita, Osaka-565-0871, Japan
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40
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Bera SS, Maji MS. Carbamates: A Directing Group for Selective C-H Amidation and Alkylation under Cp*Co(III) Catalysis. Org Lett 2020; 22:2615-2620. [PMID: 32207626 DOI: 10.1021/acs.orglett.0c00589] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The selective reactivity of carbamate and thiocarbamate toward alkylation and amidation is reported under stable, high-valent, cost-effective cobalt(III) catalysis. This method reveals the wide possibility of designing a different branch of synthetically challenging yet highly promising asymmetric catalysts based on BINOL and SPINOL scaffolds. Late-stage C-H functionalization of l-tyrosine and estrone was also achieved through this approach. The mechanistic study shows that a base-assisted internal electrophilic substitution mechanism is operative here.
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Affiliation(s)
- Sourav Sekhar Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Modhu Sudan Maji
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
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41
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Gao Y, Nie J, Li Y, Liao G, Huo Y, Hu X. Rh(III)‐Catalyzed Selective
ortho
‐C−H Amination of Benzoic Acids with Anthranils: A Facile Access to Anthranilic Acid Derivatives (AAs). ChemCatChem 2020. [DOI: 10.1002/cctc.202000052] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Yang Gao
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
| | - Jianhong Nie
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
| | - Yibiao Li
- School of Biotechnology and Health Sciences Wuyi University Jiangmen Guangdong 529090 P. R. China
| | - Guilan Liao
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. China
| | - Yanping Huo
- School of Chemical Engineering and Light Industry Guangdong University of Technology Guangzhou 510006 P. R. 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 P. R. China
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42
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Fan L, Hao J, Yu J, Ma X, Liu J, Luan X. Hydroxylamines As Bifunctional Single-Nitrogen Sources for the Rapid Assembly of Diverse Tricyclic Indole Scaffolds. J Am Chem Soc 2020; 142:6698-6707. [PMID: 32182059 DOI: 10.1021/jacs.0c00403] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Conventional approaches on using hydroxylamine derivatives as single nitrogen sources, for the construction of n-membered (n > 3) N-heterocycles, rely upon two chemical operations by involving sequential nucleophilic and electrophilic C-N bond formations. Here, we report a highly efficient cascade of alkyne insertion/C-H activation/amination for the rapid preparation of a myriad of tricyclic indoles, in a single-step transformation, by using bifunctional secondary hydroxylamines. It is noteworthy that judicious selection of applicable amino agents, for enabling the prior oxidative addition of aryl iodide to initial Pd(0) species and subsequent two C-N bonds formation, was the key to the success of this reaction. Control experiments indicated that a five-membered palladacyclic intermediate played a crucial role in promoting the final aminative ring closure.
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Affiliation(s)
- Liangxin Fan
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jiamao Hao
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jingxun Yu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Xiaojun Ma
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Jingjing Liu
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
| | - Xinjun Luan
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an 710127, P. R. China
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43
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De PB, Atta S, Pradhan S, Banerjee S, Shah TA, Punniyamurthy T. Cp*Co(III)-Catalyzed C-7 C-C Coupling of Indolines with Aziridines: Merging C-H Activation and Ring Opening. J Org Chem 2020; 85:4785-4794. [PMID: 32154719 DOI: 10.1021/acs.joc.0c00010] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
A Cp*Co(III)-catalyzed directing group-assisted C7 C-C coupling of indolines with aziridines has been developed by merging C-H activation and ring opening. The use of cobalt catalyst, detection of a Co(III) intermediate, and late-stage removal of the directing group are important practical features.
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Affiliation(s)
- Pinaki Bhusan De
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Sayan Atta
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Sourav Pradhan
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Sonbidya Banerjee
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Tariq A Shah
- Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781039, India
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44
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Khan B, Dwivedi V, Sundararaju B. Cp*Co(III)‐Catalyzed
o
‐Amidation of Benzaldehydes with Dioxazolones Using Transient Directing Group Strategy. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901267] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Bhuttu Khan
- Department of ChemistryIndian Institute of Technology Kanpur, Kanpur Uttar Pradesh India- 208 016
| | - Vikas Dwivedi
- Department of ChemistryIndian Institute of Technology Kanpur, Kanpur Uttar Pradesh India- 208 016
| | - Basker Sundararaju
- Department of ChemistryIndian Institute of Technology Kanpur, Kanpur Uttar Pradesh India- 208 016
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45
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Shah TA, De PB, Pradhan S, Banerjee S, Punniyamurthy T. Cp*Co(III)-Catalyzed Regioselective C2 Amidation of Indoles Using Acyl Azides. J Org Chem 2019; 84:16278-16285. [PMID: 31771331 DOI: 10.1021/acs.joc.9b02244] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A cobalt-catalyzed C2-selective amidation of indoles using acyl azides has been accomplished. Isotope experiments suggest that C-H activation is reversible. The use of sustainable Co catalysis, functional group diversity, substrate scope, and regioselectivity are the important practical features.
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Affiliation(s)
- Tariq A Shah
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Pinaki Bhusan De
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Sourav Pradhan
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
| | - Sonbidya Banerjee
- Department of Chemistry , Indian Institute of Technology Guwahati , Guwahati 781039 , India
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46
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Chen X, Cui X, Bai L, Wang Y, Xie Y, Wang S, Zhai R, Zhao K, Kong D, Li Y. Ruthenium(II)‐Catalyzed C−H Bond [3+2] Annulation of
N
‐Nitrosoanilines with Alkynes in Water. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201900553] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Xun Chen
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Xue Cui
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Lili Bai
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Ying Wang
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Ying Xie
- School of Chemistry and Environmental EngineeringSichuan University of Science & Engineering Zigong 643000 China
| | - Shuojin Wang
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Ruirui Zhai
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Ke Zhao
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Dulin Kong
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
| | - Youbin Li
- Hainan Key Laboratory for Research and Development of Tropical Herbs School of PharmacyHainan Medical University Haikou 571199 China
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47
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Zhou C, Zhao J, Guo W, Jiang J, Wang J. N-Methoxyamide: An Alternative Amidation Reagent in the Rhodium(III)-Catalyzed C–H Activation. Org Lett 2019; 21:9315-9319. [DOI: 10.1021/acs.orglett.9b03357] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Chao Zhou
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Junqi Zhao
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Weicong Guo
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Jijun Jiang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Jun Wang
- Key Laboratory of Bioinorganic and Synthetic Chemistry of Ministry of Education, School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
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48
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Li H, Zhang S, Feng X, Yu X, Yamamoto Y, Bao M. Rhodium(III)-Catalyzed Oxidative [3 + 2] Annulation of 2-Acetyl-1-arylhydrazines with Maleimides: Synthesis of Pyrrolo[3,4- b]indole-1,3-diones. Org Lett 2019; 21:8563-8567. [PMID: 31617727 DOI: 10.1021/acs.orglett.9b03107] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A rhodium-catalyzed oxidative [3 + 2] annulation of 2-acetyl-1-phenylhydrazines with maleimides was accomplished using AgNTf2 and Ag2CO3 as additive and oxidant, respectively. A variety of 2-acetyl-1-phenylhydrazines with maleimides were converted into pyrrolo[3,4-b]indole-1,3-diones in satisfactory to excellent yields. Synthetically useful functional groups, such as halogen atoms (F, Cl, Br, and I), ester, cyano, and nitro, remained intact during tandem C-H activation and annulation reactions.
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Affiliation(s)
- He Li
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Sheng Zhang
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Xiujuan Feng
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Xiaoqiang Yu
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
| | - Yoshinori Yamamoto
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China.,Department of Chemistry, Graduate School of Science , Tohoku University , Sendai 980-8578 , Japan.,Research Organization of Science and Technology , Ritsumeikan University , Kusatsu, Shiga 525-8577 , Japan
| | - Ming Bao
- State Key Laboratory of Fine Chemicals , Dalian University of Technology , Dalian 116023 , China
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49
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Li T, Shen C, Sun Y, Zhang J, Xiang P, Lu X, Zhong G. Cobalt-Catalyzed Olefinic C–H Alkenylation/Alkylation Switched by Carbonyl Groups. Org Lett 2019; 21:7772-7777. [DOI: 10.1021/acs.orglett.9b02717] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Tingyan Li
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Cong Shen
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Yaling Sun
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Jian Zhang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Panjie Xiang
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Xiunan Lu
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
| | - Guofu Zhong
- College of Materials, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 311121, China
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50
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Ju G, Li G, Qian G, Zhang J, Zhao Y. Rh(III)-Catalyzed C–H Amidation of Arenes with N-Methoxyamide as an Amidating Reagent. Org Lett 2019; 21:7333-7336. [DOI: 10.1021/acs.orglett.9b02625] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Guodong Ju
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Guobao Li
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Guanwen Qian
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
| | - Jingyu Zhang
- College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, People’s Republic of China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, People’s Republic of China
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