151
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Ansel AQ, Montgomery J. Combined Cyanoborylation, C-H Activation Strategy for Styrene Functionalization. Org Lett 2020; 22:8538-8543. [PMID: 33108197 DOI: 10.1021/acs.orglett.0c03138] [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
A one-pot multicomponent copper-catalyzed protocol for borylation/ortho-cyanation of styrene derivatives followed by a Suzuki-Miyaura coupling provides a platform to explore the factors that control the selectivity between distal or proximal functionalization of arenes. The development of divergent nitrile-directed C-H functionalization (acetoxylation, pivalation, and methoxylation) offers an effective approach to rapidly increase synthetic complexity. Finally, the development of a mild reductive decyanation allows a traceless method to access functionalized biaryl motifs.
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Affiliation(s)
- Annabel Q Ansel
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
| | - John Montgomery
- Department of Chemistry, University of Michigan, 930 North University Avenue, Ann Arbor, Michigan 48109-1055, United States
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152
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Sasmal S, Dutta U, Lahiri GK, Maiti D. Transition Metals and Transition Metals/Lewis Acid Cooperative Catalysis for Directing Group Assisted para-C–H Functionalization. CHEM LETT 2020. [DOI: 10.1246/cl.200500] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Sheuli Sasmal
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Uttam Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Goutam Kumar Lahiri
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
- Tokyo Tech World Research Hub Initiative (WRHI) Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Tokyo 152-8550, Japan
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153
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Zhang F, Wang X, Zhou Y, Shi H, Feng Z, Ma J, Marek I. Remote Fluorination and Fluoroalkyl(thiol)ation Reactions. Chemistry 2020; 26:15378-15396. [DOI: 10.1002/chem.202003416] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Indexed: 12/22/2022]
Affiliation(s)
- Fa‐Guang Zhang
- Department of Chemistry Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of Education), and Tianjin Collaborative Innovation Center of Chemical Science & Engineering Tianjin University Tianjin 300072 China
| | - Xue‐Qi Wang
- Department of Chemistry Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of Education), and Tianjin Collaborative Innovation Center of Chemical Science & Engineering Tianjin University Tianjin 300072 China
| | - Yin Zhou
- Department of Chemistry Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of Education), and Tianjin Collaborative Innovation Center of Chemical Science & Engineering Tianjin University Tianjin 300072 China
| | - Hong‐Song Shi
- Department of Chemistry Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of Education), and Tianjin Collaborative Innovation Center of Chemical Science & Engineering Tianjin University Tianjin 300072 China
| | - Zhe Feng
- Department of Chemistry Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of Education), and Tianjin Collaborative Innovation Center of Chemical Science & Engineering Tianjin University Tianjin 300072 China
| | - Jun‐An Ma
- Department of Chemistry Tianjin Key Laboratory of Molecular Optoelectronic Sciences Frontiers Science Center for Synthetic Biology (Ministry of Education), and Tianjin Collaborative Innovation Center of Chemical Science & Engineering Tianjin University Tianjin 300072 China
| | - Ilan Marek
- Schulich Faculty of Chemistry Technion-Israel Institute of Technology Haifa 3200009 Israel
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154
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Lapuh MI, Mazeh S, Besset T. Chiral Transient Directing Groups in Transition-Metal-Catalyzed Enantioselective C–H Bond Functionalization. ACS Catal 2020. [DOI: 10.1021/acscatal.0c03317] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Maria I. Lapuh
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Sara Mazeh
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
| | - Tatiana Besset
- Normandie Univ, INSA Rouen, UNIROUEN, CNRS, COBRA (UMR 6014), 76000 Rouen, France
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155
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Cai L, Li S, Zhou C, Li G. Carboxyl-Assisted meta-Selective C-H Functionalizations of Benzylsulfonamides. Org Lett 2020; 22:7791-7796. [PMID: 32991192 DOI: 10.1021/acs.orglett.0c02528] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A protocol of carboxyl-group-assisted, Pd(II)-catalyzed remote meta-C(sp2)-H olefination and arylation of benzylsulfonamides has been developed. It was supposed to proceed through a κ2 coordination of the carboxyl group to the Pd center. These findings demonstrated the versatility of carboxyl-assisted remote meta-C-H activation strategy and might stimulate the exploration of novel reactivity and selectivity of other traditional chelating groups in different contexts.
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Affiliation(s)
- Lei Cai
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.,Fujian College, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Shangda Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China
| | - Chunlin Zhou
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.,Fujian College, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Gang Li
- Key Laboratory of Coal to Ethylene Glycol and Its Related Technology, Center for Excellence in Molecular Synthesis, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.,Fujian College, University of Chinese Academy of Sciences, Beijing 100049, China
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156
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Bag D, Verma PK, Sawant SD. Chiral Transient Directing Group Strategies in Asymmetric Synthesis. Chem Asian J 2020; 15:3225-3238. [PMID: 32822121 DOI: 10.1002/asia.202000657] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 08/14/2020] [Indexed: 12/13/2022]
Abstract
The development of novel methodologies for catalytic enantioselective functionalization reactions enabled by chiral transient directing groups is accompanying in a paradigm shift in the field of asymmetric synthesis. In particular, these highly atom- and step-economic enantioinduction processes commonly proceed either via enantioselective C-H functionalization, or via enantioselective hydroarylation of the pro-chiral substrates generating point, axial or planar chirality. The use of the transient directing group strategy in C-H functionalizations precludes the stoichiometric installations and removal of directing groups and enables efficient, more compatible and economical chemical routes. This minireview highlights asymmetric transition-metal-catalyzed methodologies involving chiral transient directing groups together with the scope, utility and future perspective of the field.
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Affiliation(s)
- Debojyoti Bag
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
| | - Praveen Kumar Verma
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
| | - Sanghapal D Sawant
- Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Jammu Canal Road, Jammu, Jammu & Kashmir, 180001, India
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157
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Song L, Van der Eycken EV. Transition Metal-Catalyzed Intermolecular Cascade C-H Activation/Annulation Processes for the Synthesis of Polycycles. Chemistry 2020; 27:121-144. [PMID: 32530508 DOI: 10.1002/chem.202002110] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Indexed: 12/16/2022]
Abstract
Polycycles are abundantly present in numerous advanced chemicals, functional materials, bioactive molecules and natural products. However, the strategies for the synthesis of polycycles are limited to classical reactions and transition metal-catalyzed cross-coupling reactions, requiring pre-functionalized starting materials and lengthy synthetic operations. The emergence of novel approaches shows great promise for the fields of organic/medicinal/materials chemistry. Among them, transition metal-catalyzed C-H activation followed by intermolecular annulation reactions prevail, due to their straightforward manner with high atom- and step-economy, providing rapid, concise and efficient methods for the construction of diverse polycycles. Several strategies have been developed for the synthesis of polycycles, relying on sequential multiple C-H activation/annulation, or combination of C-H activation/annulation and further interaction with a proximal group, or merger of C-H activation with a cycloaddition reaction, or in situ formation of the directing group. These are attractive, efficient, step- and atom-economic methods starting from commercially available materials. This Minireview will provide an introduction to transition metal-catalyzed C-H activation for the synthesis of polycycles, helping researchers to discover indirect connections and reveal hidden opportunities. It will also promote the discovery of novel synthetic strategies relying on C-H activation.
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Affiliation(s)
- Liangliang Song
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium
| | - Erik V Van der Eycken
- Laboratory for Organic & Microwave-Assisted Chemistry (LOMAC), Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001, Leuven, Belgium.,Peoples' Friendship University of Russia (RUDN University), 6 Miklukho-Maklaya street, Moscow, 117198, Russia
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158
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Sun M, Chen W, Wu H, Xia X, Yang J, Wang L, Shen G, Wang Z. Vinylogous Elimination/C-H Functionalization/Allylation Cascade Reaction of Allenoate Adducts: Synthesis of Ring-Fused Dihydropyridinones. Org Lett 2020; 22:8313-8319. [PMID: 33044826 DOI: 10.1021/acs.orglett.0c02956] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A palladium-catalyzed cascade reaction of β'-allenoate adducts with aryl/heteroaryl carboxamides through a vinylogous elimination/C-H functionalization/intramolecular allylation reaction sequence has been developed with high Z stereoselectivity. Various ring-fused dihydropyridinones bearing an α,β-unsaturated ester substituent are obtained. It is the first example of application of the allenoate adducts to C-H functionalization annulations as practical precursors of hard-to-get functionalized electron-deficient 1,3-butadienes. Using air as the terminal oxidant also shows a great advantage in environmental friendliness.
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Affiliation(s)
- Manman Sun
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
| | - Weida Chen
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
| | - Haijian Wu
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
| | - Xiangyu Xia
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
| | - Jianguo Yang
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
| | - Lei Wang
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
| | - Guodong Shen
- School of Chemistry and Chemical Engineering, School of Pharmacy, Liaocheng University, Liaocheng 252000, P. R. China
| | - Zhiming Wang
- Advanced Research Institute and Department of Chemistry, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, P. R. China
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159
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Yan K, Liu M, Wen J, Wang S, Li J, Wang H. Synthesis of Substituted Naphtho[1,8-bc]thiopyrans by Sulfhydryl-Directed Rhodium-Catalyzed peri-Selective C–H Bond Activation and Cyclization of Naphthalene-1-thiols. Org Lett 2020; 22:7825-7830. [DOI: 10.1021/acs.orglett.0c02703] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Kelu Yan
- Institute of Medicine and Materials Applied Technologies, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Min Liu
- Institute of Medicine and Materials Applied Technologies, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Jiangwei Wen
- Institute of Medicine and Materials Applied Technologies, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Shao Wang
- Institute of Medicine and Materials Applied Technologies, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Jing Li
- Institute of Medicine and Materials Applied Technologies, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
| | - Hua Wang
- Institute of Medicine and Materials Applied Technologies, College of Chemistry and Chemical Engineering, Qufu Normal University, Qufu, Shandong 273165, P. R. China
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160
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Rani G, Luxami V, Paul K. Traceless directing groups: a novel strategy in regiodivergent C-H functionalization. Chem Commun (Camb) 2020; 56:12479-12521. [PMID: 32985634 DOI: 10.1039/d0cc04863a] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The use of functional groups as internal ligands for assisting C-H functionalization, termed the chelation assisted strategy, is emerging as one of the most powerful tools for construction of C-C and C-X bonds from inert C-H bonds. However, there are various directing groups which cannot be either removed after functionalization or require some additional steps or reagents for their removal, thereby limiting the scope of structural diversity of the products, and the step and atom economy of the system. These limitations are overcome by the use of the traceless directing group (TDG) strategy wherein functionalization of the substrate and removal of the directing group can be carried out in a one pot fashion. Traceless directing groups serve as the most ideal chelation assisted strategy with a high degree of reactivity and selectivity without any requirement for additional steps for their removal. The present review overviews the use of various functional groups such as carboxylic acids, aldehydes, N-oxides, nitrones, N-nitroso amines, amides, sulfoxonium ylides and silicon tethered directing groups for assisting transition metal catalyzed C-H functionalization reactions in the last decade.
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Affiliation(s)
- Geetika Rani
- School of Chemistry and Biochemistry, Thapar Institute of Engineering and Technology, Patiala-147001, India.
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161
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Chu JH, Su ZH, Yen KW, Chien HI. Investigation of Stepwise and Stoichiometric Palladium-Mediated ortho-C–H Bond Arylation and Alkylation of 9(10 H)-Acridinone. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00356] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Jean-Ho Chu
- Department of Applied Science, National Taitung University, Taitung 95092, Taiwan
| | - Zhe-Hong Su
- Department of Applied Science, National Taitung University, Taitung 95092, Taiwan
| | - Ko-Wang Yen
- Department of Applied Science, National Taitung University, Taitung 95092, Taiwan
| | - Hsuan-I Chien
- Department of Applied Science, National Taitung University, Taitung 95092, Taiwan
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162
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Jayarajan R, Chandrashekar HB, Dalvi AK, Maiti D. Ultrasound-Facilitated Direct meta-C-H Functionalization of Arenes: A Time-Economical Strategy under Ambient Temperature with Improved Yield and Selectivity. Chemistry 2020; 26:11426-11430. [PMID: 32289187 DOI: 10.1002/chem.202001757] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Indexed: 02/03/2023]
Abstract
The horizon of ultrasound-assistance has been expanded to palladium-catalyzed distal C-H functionalization of arenes. Compared to thermal conditions, operationally simple ultrasound mediated distal C-H functionalization occurred with a shorter reaction time and enhanced reactivity of reactants to give superior yields with improved selectivity both in terms of meta:others and mono:di. A wide variety of meta-functionalizations such as olefination, alkylation, acetoxylation, allylation and cyanation were successfully carried out under ambient temperature.
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Affiliation(s)
- Ramasamy Jayarajan
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | | | - Aishwarya K Dalvi
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai, 400076, India.,Tokyo Tech World Research Hub Initiative (WRHI), Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Tokyo, 152-8550, Japan
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163
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Rej S, Chatani N. Rh III -Catalyzed Double Dehydrogenative Coupling of Free 1-Naphthylamines with α,β-Unsaturated Esters. Chemistry 2020; 26:11093-11098. [PMID: 32239540 DOI: 10.1002/chem.202000706] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Indexed: 11/08/2022]
Abstract
The RhIII -catalyzed, consecutive double C-H oxidative coupling of free 1-naphthylamine and α,β-unsaturated esters through C-H/C-H and C-H/N-H bonds is reported. The one step reaction leads to the formation of biologically important alkylidene-1,2-dihydrobenzo[cd]indoles scaffolds. This efficient process is much more synthetically convenient and useful than others because the starting materials, such as 1-naphthylamine derivatives are readily available and the free amine serves as a directing group.
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Affiliation(s)
- 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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164
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Zhu T, Wu J. Directing-Group-Assisted C(sp2)–H Arylsulfonylation from Sulfur Dioxide. Org Lett 2020; 22:7094-7097. [DOI: 10.1021/acs.orglett.0c02400] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Tonghao Zhu
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China
| | - Jie Wu
- School of Pharmaceutical and Materials Engineering & Institute for Advanced Studies, Taizhou University, 1139 Shifu Avenue, Taizhou 318000, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, China
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165
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Zhang S, Samanta RC, Del Vecchio A, Ackermann L. Evolution of High-Valent Nickela-Electrocatalyzed C-H Activation: From Cross(-Electrophile)-Couplings to Electrooxidative C-H Transformations. Chemistry 2020; 26:10936-10947. [PMID: 32329534 PMCID: PMC7497266 DOI: 10.1002/chem.202001318] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 04/22/2020] [Indexed: 12/19/2022]
Abstract
C-H activation has emerged as one of the most efficient tools for the formation of carbon-carbon and carbon-heteroatom bonds, avoiding the use of prefunctionalized materials. In spite of tremendous progress in the field, stoichiometric quantities of toxic and/or costly chemical redox reagents, such as silver(I) or copper(II) salts, are largely required for oxidative C-H activations. Recently, electrosynthesis has experienced a remarkable renaissance that enables the use of storable, safe and waste-free electric current as a redox equivalent. While major recent momentum was gained in electrocatalyzed C-H activations by 4d and 5d metals, user-friendly and inexpensive nickela-electrocatalysis has until recently proven elusive for oxidative C-H activations. Herein, the early developments of nickela-electrocatalyzed reductive cross-electrophile couplings as well as net-redox-neutral cross-couplings are first introduced. The focus of this Minireview is, however, the recent emergence of nickel-catalyzed electrooxidative C-H activations until April 2020.
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Affiliation(s)
- Shou‐Kun Zhang
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Ramesh C. Samanta
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Antonio Del Vecchio
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
- Woehler Research Institute for Sustainable Chemistry (WISCh)Georg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
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166
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da Silva Júnior EN, de Carvalho RL, Almeida RG, Rosa LG, Fantuzzi F, Rogge T, Costa PMS, Pessoa C, Jacob C, Ackermann L. Ruthenium(II)-Catalyzed Double Annulation of Quinones: Step-Economical Access to Valuable Bioactive Compounds. Chemistry 2020; 26:10981-10986. [PMID: 32212283 DOI: 10.1002/chem.202001434] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Indexed: 12/11/2022]
Abstract
Double ruthenium(II)-catalyzed alkyne annulations of quinones were accomplished. Thus, a strategy is reported that provides step-economical access to valuable quinones with a wide range of applications. C-H/N-H activations for alkyne annulations of naphthoquinones provided challenging polycyclic quinoidal compounds by forming four new bonds in one step. The singular power of the thus-obtained compounds was reflected by their antileukemic activity.
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Affiliation(s)
- Eufrânio N da Silva Júnior
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Göttingen, Germany.,Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, UFMG, 31270-901, Belo Horizonte, MG, Brazil
| | - Renato L de Carvalho
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Göttingen, Germany.,Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, UFMG, 31270-901, Belo Horizonte, MG, Brazil
| | - Renata G Almeida
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, UFMG, 31270-901, Belo Horizonte, MG, Brazil
| | - Luisa G Rosa
- Institute of Exact Sciences, Department of Chemistry, Federal University of Minas Gerais, UFMG, 31270-901, Belo Horizonte, MG, Brazil
| | - Felipe Fantuzzi
- Institute for Inorganic Chemistry, Julius-Maximilians-Universität Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Torben Rogge
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Göttingen, Germany
| | - Pedro M S Costa
- Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, CE, 60430-270, Brazil
| | - Claudia Pessoa
- Department of Physiology and Pharmacology, Federal University of Ceará, Fortaleza, CE, 60430-270, Brazil
| | - Claus Jacob
- Division of Bioorganic Chemistry, School of Pharmacy, University of Saarland, 66123, Saarbrücken, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077, Göttingen, Germany.,German Center for Cardiovascular Research (DZHK), Potsdamer Strasse 58, 10785, Berlin, Germany
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167
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Liao G, Zhang T, Lin Z, Shi B. Transition Metal‐Catalyzed Enantioselective C−H Functionalization via Chiral Transient Directing Group Strategies. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202008437] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Gang Liao
- Department of Chemistry Zhejiang University Hangzhou 310027 China
| | - Tao Zhang
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Zhi‐Keng Lin
- Department of Chemistry National University of Singapore 3 Science Drive 3 Singapore 117543 Singapore
| | - Bing‐Feng Shi
- Department of Chemistry Zhejiang University Hangzhou 310027 China
- College of Chemistry and Molecular Engineering Zhengzhou University Zhengzhou 450001 China
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168
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Liao G, Zhang T, Lin ZK, Shi BF. Transition Metal-Catalyzed Enantioselective C-H Functionalization via Chiral Transient Directing Group Strategies. Angew Chem Int Ed Engl 2020; 59:19773-19786. [PMID: 32687690 DOI: 10.1002/anie.202008437] [Citation(s) in RCA: 182] [Impact Index Per Article: 45.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Indexed: 12/31/2022]
Abstract
Transition metal-catalyzed enantioselective functionalization of C-H bond, the most abundant functionality in organic molecules, has emerged as an expedient synthetic approach to streamline the synthesis of complex chiral molecules. Despite significant progress, traditional directing group-enabled strategies require additional steps for the installation and removal of directing groups from the target molecule. The recently developed asymmetric C-H functionalization using chiral transient directing groups (cTDGs) offers a promising alternative that can circumvent this obstacle and therefore simplify the process. In this Minireview, we briefly discuss the advent and recent advances of this emerging concept, with an emphasis on discussing the creation of various stereogenic centers and the developments of cTDGs. Applications in natural product synthesis and ligand derivatizations are also discussed. We hope this Minireview will highlight the great potential of this strategy and help to inspire further endeavors.
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Affiliation(s)
- Gang Liao
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China
| | - Tao Zhang
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Zhi-Keng Lin
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543, Singapore
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou, 310027, China.,College of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou, 450001, China
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169
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Chen X, Huang Y, Zhou J, Wang P. Pd‐Catalyzed Site‐Selective
Borylation of Simple Arenes
via
Thianthrenation
†. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.202000212] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xiao‐Yue Chen
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences (CAS) 345 Lingling Road Shanghai 200032 China
| | - Yu‐Hao Huang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences (CAS) 345 Lingling Road Shanghai 200032 China
| | - Jian Zhou
- Shanghai Key Laboratory of Green Chemistry and Chemical Process, East China Normal University 3663N Zhongshan Road Shanghai 200062 China
| | - Peng Wang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences (CAS) 345 Lingling Road Shanghai 200032 China
- CAS Key Laboratory of Energy Regulation Materials, Shanghai Institute of Organic Chemistry, CAS 345 Lingling Road Shanghai 200032 China
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170
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Wang YJ, Wang TT, Yao L, Wang QL, Zhao LM. Access to 4-Alkenylated Coumarins via Ruthenium-Catalyzed Olefinic C-H Alkenylation of Coumarins with Modifiable and Removable Directing Groups. J Org Chem 2020; 85:9514-9524. [PMID: 32515197 DOI: 10.1021/acs.joc.0c00249] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The ruthenium-catalyzed activation of the C4 position of coumarins for coupling with acrylates was described using modifiable ketone as a directing group. The alkenylation reaction provided a direct approach to prepare previously inaccessible 4-alkenylated coumarins with operational simplicity and high atom-economy. This protocol also worked well with coumarin-3-carboxylic acids to unveil a rare instance of a tandem alkenylation/decarboxylation reaction. The potential value of this approach was further highlighted by the efficient synthesis of several heterocyclic fused coumarin derivatives.
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Affiliation(s)
- Yu-Jiao Wang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Tong-Tong Wang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Lan Yao
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Qian-Long Wang
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China
| | - Li-Ming Zhao
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China.,State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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171
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Dhawa U, Tian C, Wdowik T, Oliveira JCA, Hao J, Ackermann L. Enantioselective Pallada-Electrocatalyzed C-H Activation by Transient Directing Groups: Expedient Access to Helicenes. Angew Chem Int Ed Engl 2020; 59:13451-13457. [PMID: 32243685 PMCID: PMC7497116 DOI: 10.1002/anie.202003826] [Citation(s) in RCA: 128] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Indexed: 01/05/2023]
Abstract
Asymmetric pallada-electrocatalyzed C-H olefinations were achieved through the synergistic cooperation with transient directing groups. The electrochemical, atroposelective C-H activations were realized with high position-, diastereo-, and enantio-control under mild reaction conditions to obtain highly enantiomerically-enriched biaryls and fluorinated N-C axially chiral scaffolds. Our strategy provided expedient access to, among others, novel chiral BINOLs, dicarboxylic acids and helicenes of value to asymmetric catalysis. Mechanistic studies by experiments and computation provided key insights into the catalyst's mode of action.
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Affiliation(s)
- Uttam Dhawa
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Cong Tian
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Tomasz Wdowik
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Jiping Hao
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
- Wöhler Research Institute for Sustainable Chemistry (WISCh)Georg-August-Universität GöttingenTammannstraße 237077GöttingenGermany
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172
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Bisht N, Babu SA, Tomar R. Pd(II)‐Catalyzed, Bidentate Directing Group‐aided Alkylation of sp
3
γ‐C−H Bonds: Access to 3‐Alkylated Thiophene/Furan and Benzothiophene/Benzofuran Motifs. ASIAN J ORG CHEM 2020. [DOI: 10.1002/ajoc.202000284] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Narendra Bisht
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Srinivasarao Arulananda Babu
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
| | - Radha Tomar
- Department of Chemical SciencesIndian Institute of Science Education and Research (IISER) Mohali Knowledge City, Sector 81, SAS Nagar, Mohali, Manauli P.O. Punjab 140306 India
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173
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Tu G, Wang D, Yuan C, Zhang J, Zhao Y. Palladium-Catalyzed Para-Selective Difluoromethylation of Arene Esters. J Org Chem 2020; 85:10740-10749. [DOI: 10.1021/acs.joc.0c01257] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Guangliang Tu
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Dongjie Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Chunchen Yuan
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
| | - Jingyu Zhang
- College of Energy, Soochow Institute for Energy and Materials Innovations, Soochow University, Suzhou 215006, P. R. China
| | - Yingsheng Zhao
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, P. R. China
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174
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Bian HL, Tang SZ, Chen ME, Zhang XM, Lv JW, Chen XW, Qi FM, Chen SW, Zhang FM. Transition-Metal-Free Site-Selective γ-C(sp 2)-H Monoiodination of Arenes Directed by an Aliphatic Keto Group. Org Lett 2020; 22:5314-5319. [PMID: 32589432 DOI: 10.1021/acs.orglett.0c01466] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
A general γ-C(sp2)-H iodination method directed by an aliphatic keto group has been developed under transition-metal-free conditions for the first time, generating iodoarenes in good to excellent yields with excellent site selectivity. This protocol features a wide range of aryl-substituted ketones, short reaction times, mild reaction conditions, and scalable synthetic procedures. A possible reaction mechanism was also proposed based on several control experiments.
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Affiliation(s)
- Hong-Li Bian
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China.,School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Shi-Zhong Tang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Meng-En Chen
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xiao-Ming Zhang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Jian-Wei Lv
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Xiao-Wei Chen
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Feng-Ming Qi
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
| | - Shi-Wu Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, China
| | - Fu-Min Zhang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China
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175
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Gramage-Doria R. Steering Site-Selectivity in Transition Metal-Catalyzed C-H Bond Functionalization: the Challenge of Benzanilides. Chemistry 2020; 26:9688-9709. [PMID: 32237177 DOI: 10.1002/chem.202000672] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/18/2020] [Indexed: 12/31/2022]
Abstract
Selective C-H bond functionalization catalyzed by metal complexes have completely revolutionized the way in which chemical synthesis is conceived nowadays. Typically, the reactivity of a transition metal catalyst is the key to control the site-, regio- and/or stereo-selectivity of a C-H bond functionalization. Of particular interests are molecules that contain multiple C-H bonds prone to undergo C-H bond activations with very similar bond dissociation energies at different positions. This is the case of benzanilides, relevant chemical motifs that are found in many useful fine chemicals, in which two C-H sites are present in chemically different aromatic fragments. In the last years, it has been found that depending on the metal catalyst and the reaction conditions, the amide motif might behave as a directing group towards the metal-catalyzed C-H bond activation in the benzamide site or in the anilide site. The impact and the consequences of such subtle control of site-selectivity are herein reviewed with important applications in carbon-carbon and carbon-heteroatom bond forming processes. The mechanisms unraveling these unique transformations are discussed in order to provide a better understanding for future developments in the field of site-selective C-H bond functionalization with transition metal catalysts.
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176
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Saito H, Yamamoto K, Sumiya Y, Liu L, Nogi K, Maeda S, Yorimitsu H. Palladium‐Catalyzed C−H Iodination of Arenes by Means of Sulfinyl Directing Groups. Chem Asian J 2020; 15:2442-2446. [DOI: 10.1002/asia.202000591] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 06/16/2020] [Indexed: 01/15/2023]
Affiliation(s)
- Hayate Saito
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Keita Yamamoto
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Yosuke Sumiya
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
| | - Ling‐Jun Liu
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
- Institute of Organic and Polymeric Materials National Taipei University of Technology Taipei 10608 Taiwan
| | - Keisuke Nogi
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
| | - Satoshi Maeda
- Department of Chemistry Faculty of Science Hokkaido University Sapporo 060-0810 Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD) Hokkaido University Kita 21 Nishi 10, Kita-ku Sapporo Hokkaido 001-0021 Japan
| | - Hideki Yorimitsu
- Department of Chemistry Graduate School of Science Kyoto University Sakyo-ku Kyoto 606-8502 Japan
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177
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Thombal RS, Feoktistova T, González-Montiel GA, Cheong PHY, Lee YR. Palladium-catalyzed synthesis of β-hydroxy compounds via a strained 6,4-palladacycle from directed C-H activation of anilines and C-O insertion of epoxides. Chem Sci 2020; 11:7260-7265. [PMID: 34123012 PMCID: PMC8159402 DOI: 10.1039/d0sc01462a] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Accepted: 06/20/2020] [Indexed: 11/21/2022] Open
Abstract
A palladium-catalyzed C-H activation of acetylated anilines (acetanilides, 1,1-dimethyl-3-phenylurea, 1-phenylpyrrolidin-2-one, and 1-(indolin-1-yl)ethan-1-one) with epoxides using O-coordinating directing groups was accomplished. This C-H alkylation reaction proceeds via formation of a previously unknown 6,4-palladacycle intermediate and provides rapid access to regioselectively functionalized β-hydroxy products. Notably, this catalytic system is applicable for the gram scale mono-functionalization of acetanilide in good yields. The palladium-catalyzed coupling reaction of the ortho-C(sp2) atom of O-coordinating directing groups with a C(sp3) carbon of chiral epoxides offers diverse substrate scope in good to excellent yields. In addition, further transformations of the synthesized compound led to biologically important heterocycles. Density functional theory reveals that the 6,4-palladacycle leveraged in this work is significantly more strained (>10 kcal mol-1) than the literature known 5,4 palladacycles.
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Affiliation(s)
- Raju S Thombal
- School of Chemical Engineering, Yeungnam University Gyeongsan 38541 Republic of Korea
| | - Taisiia Feoktistova
- Department of Chemistry, Oregon State University 153 Gilbert Hall Corvallis OR 97331 USA
| | | | - Paul H-Y Cheong
- Department of Chemistry, Oregon State University 153 Gilbert Hall Corvallis OR 97331 USA
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University Gyeongsan 38541 Republic of Korea
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178
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Meng G, Lam NYS, Lucas EL, Saint-Denis TG, Verma P, Chekshin N, Yu JQ. Achieving Site-Selectivity for C-H Activation Processes Based on Distance and Geometry: A Carpenter's Approach. J Am Chem Soc 2020; 142:10571-10591. [PMID: 32437604 PMCID: PMC7485751 DOI: 10.1021/jacs.0c04074] [Citation(s) in RCA: 188] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The ability to differentiate between highly similar C-H bonds in a given molecule remains a fundamental challenge in organic chemistry. In particular, the lack of sufficient steric and electronic differences between C-H bonds located distal to functional groups has prevented the development of site-selective catalysts with broad scope. An emerging approach to circumvent this obstacle is to utilize the distance between a target C-H bond and a coordinating functional group, along with the geometry of the cyclic transition state in directed C-H activation, as core molecular recognition parameters to differentiate between multiple C-H bonds. In this Perspective, we discuss the advent and recent advances of this concept. We cover a wide range of transition-metal-catalyzed, template-directed remote C-H activation reactions of alcohols, carboxylic acids, sulfonates, phosphonates, and amines. Additionally, we review eminent examples which take advantage of non-covalent interactions to achieve regiocontrol. Continued advancement of this distance- and geometry-based differentiation approach for regioselective remote C-H functionalization reactions may lead to the ultimate realization of molecular editing: the freedom to modify organic molecules at any site, in any order.
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Affiliation(s)
- Guangrong Meng
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
| | - Nelson Y. S. Lam
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
| | - Erika L. Lucas
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
| | - Tyler G. Saint-Denis
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
| | - Pritha Verma
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
| | - Nikita Chekshin
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
| | - Jin-Quan Yu
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, California 92037, United States
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179
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Gryaznova TV, Khrizanforov MN, Levitskaya AI, Kh.Rizvanov I, Balakina MY, Ivshin KA, Kataeva ON, Budnikova YH. Electrochemically Driven and Acid-Driven Pyridine-Directed ortho-Phosphorylation of C(sp2)–H Bonds. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00247] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Tatyana V. Gryaznova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Mikhail N. Khrizanforov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Alina I. Levitskaya
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Ildar Kh.Rizvanov
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Marina Yu. Balakina
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Kamil A. Ivshin
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Olga N. Kataeva
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
| | - Yulia H. Budnikova
- Arbuzov Institute of Organic and Physical Chemistry, FRC Kazan Scientific Center, Russian Academy of Sciences, Arbuzov-str., 8, Kazan 420088, Russian Federation
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180
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Wang K, Hou J, Zhang C, Cheng K, Bai R, Xie Y. Palladium‐Catalyzed Picolinamide‐Directed Benzylic C(
sp
3
)−H Chalcogenation with Diaryl Disulfides and Diphenyl Diselenide. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000280] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Kai Wang
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Jiahao Hou
- College of Pharmaceutical ScienceZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Changjun Zhang
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Ke Cheng
- College of Pharmaceutical ScienceZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Renren Bai
- College of Pharmaceutical ScienceZhejiang University of Technology Hangzhou 310014 People's Republic of China
| | - Yuanyuan Xie
- Collaborative Innovation Center of Yangtze River Delta Region Green PharmaceuticalsZhejiang University of Technology Hangzhou 310014 People's Republic of China
- College of Pharmaceutical ScienceZhejiang University of Technology Hangzhou 310014 People's Republic of China
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181
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Dhawa U, Tian C, Wdowik T, Oliveira JCA, Hao J, Ackermann L. Enantioselektive Pallada‐elektrokatalysierte C‐H‐Aktivierung durch transiente dirigierende Gruppen: Ein nützlicher Zugang zu Helicenen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003826] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Cong Tian
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Tomasz Wdowik
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Jiping Hao
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
- Wöhler Research Institute for Sustainable Chemistry (WISCh) Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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182
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Bag S, K S, Mondal A, Jayarajan R, Dutta U, Porey S, Sunoj RB, Maiti D. Palladium-Catalyzed meta-C–H Allylation of Arenes: A Unique Combination of a Pyrimidine-Based Template and Hexafluoroisopropanol. J Am Chem Soc 2020; 142:12453-12466. [DOI: 10.1021/jacs.0c05223] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Sukdev Bag
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Surya K
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Arup Mondal
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Ramasamy Jayarajan
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Uttam Dutta
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sandip Porey
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Raghavan B. Sunoj
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
- Tokyo Tech World Research Hub Initiative (WRHI), Laboratory for Chemistry and Life Science, Tokyo Institute of Technology, Tokyo 152-8550, Japan
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183
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Yang L, Steinbock R, Scheremetjew A, Kuniyil R, Finger LH, Messinis AM, Ackermann L. Azaruthena(II)‐bicyclo[3.2.0]heptadien: Schlüsselintermediat für Ruthenaelektro(II/III/I)‐katalysierte Alkinanellierungen. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000762] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Long Yang
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Ralf Steinbock
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Alexej Scheremetjew
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Rositha Kuniyil
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Lars H. Finger
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Antonis M. Messinis
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie und Wöhler Research Institute for Sustainable ChemistryGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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184
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Dhawa U, Tian C, Li W, Ackermann L. Cobalta-Electrocatalyzed C–H Allylation with Unactivated Alkenes. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01436] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Cong Tian
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Weizhao Li
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
- Wöhler Research Institute for Sustainable Chemistry (WISCh), Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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185
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Yang L, Steinbock R, Scheremetjew A, Kuniyil R, Finger LH, Messinis AM, Ackermann L. Azaruthena(II)-bicyclo[3.2.0]heptadiene: Key Intermediate for Ruthenaelectro(II/III/I)-catalyzed Alkyne Annulations. Angew Chem Int Ed Engl 2020; 59:11130-11135. [PMID: 32129528 DOI: 10.1002/anie.202000762] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Indexed: 12/15/2022]
Abstract
A ruthenium-catalyzed electrochemical dehydrogenative annulation reaction of imidazoles with alkynes has been established, enabling the preparation of various bridgehead N-fused [5,6]-bicyclic heteroarenes through regioselective electrochemical C-H/N-H annulation without chemical metal oxidants. Novel azaruthenabicyclo[3.2.0]heptadienes were fully characterized and identified as key intermediates. Mechanistic studies are suggestive of an oxidatively induced reductive elimination pathway within a ruthenium(II/III) regime.
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Affiliation(s)
- Long Yang
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Ralf Steinbock
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Alexej Scheremetjew
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Rositha Kuniyil
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Lars H Finger
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - Antonis M Messinis
- Institut für Organische und Biomolekulare Chemie, and Wöhler Research Institute for Sustainable Chemistry, Georg-August-Universität Göttingen, Tammannstrasse 2, 37077, Göttingen, Germany
| | - 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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186
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Barik S, Shee S, Ghosh A, Biju AT. Catalytic, Enantioselective C2-Functionalization of 3-Aminobenzofurans Using N-Heterocyclic Carbenes. Org Lett 2020; 22:3865-3869. [DOI: 10.1021/acs.orglett.0c01112] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shilpa Barik
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Sayan Shee
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Arghya Ghosh
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Akkattu T. Biju
- Department of Organic Chemistry, Indian Institute of Science, Bangalore 560012, India
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187
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188
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Zhang H, Zhan XY, Dong Y, Yang J, He S, Shi ZC, Zhang XM, Wang JY. Dehydration in water: frustrated Lewis pairs directly catalyzed allylization of electron-rich arenes and allyl alcohols. RSC Adv 2020; 10:16942-16948. [PMID: 35521451 PMCID: PMC9053410 DOI: 10.1039/d0ra02912b] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 04/23/2020] [Indexed: 01/23/2023] Open
Abstract
A frustrated Lewis pair (FLP)-catalyzed allylation of allyl alcohols with electron-rich arenes has been developed. Interestingly, in this reaction, the electron-rich arenes and allyl alcohols are dehydrated in water. What's more, water was the sole byproduct of the reaction. In this protocol, various allyl alcohols can be converted into allyl cations and attacked by the electron-rich arenes to form aryl cation intermediates. Finally, the aryl cation intermediates are deprotonated to give the 1,3-diarylpropenes. In this protocol, indole allyl alcohols can undergo a bimolecular ring closure reaction, and structurally diverse tetrahydroindolo[3,2-b]carbazoles could be smoothly obtained. The reaction is not sensitive to oxygen and has been performed on a gram-scale.
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Affiliation(s)
- Hua Zhang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Xiao-Yu Zhan
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Yu Dong
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Jian Yang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 P. R. China
- University of Chinese Academy of Sciences Beijing 100049 P. R. China
| | - Shuai He
- Southwest Minzu University Chengdu 610041 P. R. China
| | - Zhi-Chuan Shi
- Southwest Minzu University Chengdu 610041 P. R. China
| | - Xiao-Mei Zhang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 P. R. China
| | - Ji-Yu Wang
- Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences Chengdu 610041 P. R. China
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189
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Diaryliodoniums Salts as Coupling Partners for Transition-Metal Catalyzed C- and N-Arylation of Heteroarenes. Catalysts 2020. [DOI: 10.3390/catal10050483] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Owing to the pioneering works performed on the metal-catalyzed sp2 C–H arylation of indole and pyrrole by Sanford and Gaunt, N– and C-arylation involving diaryliodonium salts offers an attractive complementary strategy for the late-stage diversification of heteroarenes. The main feature of this expanding methodology is the selective incorporation of structural diversity into complex molecules which usually have several C–H bonds and/or N–H bonds with high tolerance to functional groups and under mild conditions. This review summarizes the main recent achievements reported in transition-metal-catalyzed N– and/or C–H arylation of heteroarenes using acyclic diaryliodonium salts as coupling partners.
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190
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Affiliation(s)
- Aniket Gholap
- Department of Chemistry, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Sukdev Bag
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sukumar Pradhan
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Anant R. Kapdi
- Department of Chemistry, Institute of Chemical Technology, Matunga, Mumbai 400019, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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191
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Tian C, Meyer TH, Stangier M, Dhawa U, Rauch K, Finger LH, Ackermann L. Cobaltaelectro-catalyzed C-H activation for resource-economical molecular syntheses. Nat Protoc 2020; 15:1760-1774. [PMID: 32296151 DOI: 10.1038/s41596-020-0306-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 01/27/2020] [Indexed: 11/09/2022]
Abstract
The direct cleavage of otherwise inert C-H bonds has emerged as a sustainable approach for organic synthesis; in contrast to other approaches, these reactions result in the formation of fewer undesired by-products and do not require pre-functionalization steps. In recent years, oxidative C-H/N-H alkyne annulations and C-H oxygenations were realized by 3d metals. Unfortunately, most of these reactions require stoichiometric amounts of often toxic chemical oxidants. This protocol provides a general method for cobaltaelectro-catalyzed C-H activations of benzamides. Here, anodic oxidation obviates the need for a chemical oxidant and uses 10-20% of a more environmentally benign, inexpensive catalyst. We outline a detailed and precise description of the designed electrolytic cell for metallaelectrocatalysis, including readily available electrode materials and electrode holders. The custom-made device is further compared with the commercially available and standardized ElectraSyn 2.0 electrochemistry kit. As example applications of this approach, we describe cobaltaelectro-catalyzed C-H activation protocols for the direct C-H oxygenation of benzamides and resource-economical synthesis of isoquinolones. The cobaltaelectrocatalysis setup and reaction take about 17 h, while an additional 5 h have to be anticipated for workup and chromatographic purification. The methods described herein feature broad functional group tolerance, operational simplicity, low waste-product formation and an overall exceptional level of resource economy.
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Affiliation(s)
- Cong Tian
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Tjark H Meyer
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Maximilian Stangier
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Karsten Rauch
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Lars H Finger
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Göttingen, Germany.
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192
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Mahato SK, Chatani N. The Iridium(III)-Catalyzed Direct C(sp2)– and C(sp3)–H Alkynylation of 2-Acylimidazoles with Various Alkynyl Bromides: Understanding the Full Catalytic Cycle. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01189] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Sanjit K. Mahato
- 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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193
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Jia C, Wu N, Cai X, Li G, Zhong L, Zou L, Cui X. Ruthenium-Catalyzed meta-Selective C Ar-H Bond Formylation of Arenes. J Org Chem 2020; 85:4536-4542. [PMID: 32133850 DOI: 10.1021/acs.joc.0c00007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The meta-CAr-H bond formylation of arenes has been achieved using CHBr3 as a formyl source in the presence of [Ru(p-cym)(OAc)2] as a catalyst. This method provides efficient access to the preparation of various meta-substituted aromatic compounds, such as alcohols, ethers, amines, nitriles, alkenes, halogens, carboxylic acids, and their derivatives, through transformation of the versatile formyl group. Furthermore, mechanistic studies show that the key active species is a pentagonal ruthenacycle complex.
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Affiliation(s)
- Chunqi Jia
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
| | - Nini Wu
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, P. R. China
| | - Xiaofeng Cai
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, P. R. China
| | - Gang Li
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, P. R. China
| | - Lei Zhong
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, P. R. China
| | - Lei Zou
- College of Chemistry and Chemical Engineering, Henan Province Key Laboratory of New Optoelectronic Functional Materials, Anyang Normal University, Anyang 455000, P. R. China
| | - Xiuling Cui
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, School of Biomedical Sciences, Huaqiao University, Xiamen 361021, P. R. China
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194
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Grandhi GS, Dana S, Mandal A, Baidya M. Copper-Catalyzed 8-Aminoquinoline-Directed Oxidative C–H/N–H Coupling for N-Arylation of Sulfoximines. Org Lett 2020; 22:2606-2610. [DOI: 10.1021/acs.orglett.0c00545] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Gowri Sankar Grandhi
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
| | - Suman Dana
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
| | - Anup Mandal
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
| | - Mahiuddin Baidya
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, Tamil Nadu, India
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195
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Zhang C, Cheng Y, Li F, Luan Y, Li P, Li W. Organocatalytic Enantioselective Regiodivergent C−H Bond Functionalization of 1‐Naphthols with 1‐Azadienes. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901608] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chen Zhang
- Department of Medicinal Chemistry, School of PharmacyQingdao University Qingdao 266021 People's Republic of China
| | - Yuyu Cheng
- Shenzhen Key Laboratory of Marine Archaea Geo-Omics and Department of ChemistryCollege of ScienceSouthern University of Science and Technology Shenzhen 518055 People's Republic of China
| | - Fushuai Li
- Department of Medicinal Chemistry, School of PharmacyQingdao University Qingdao 266021 People's Republic of China
| | - Yepeng Luan
- Department of Medicinal Chemistry, School of PharmacyQingdao University Qingdao 266021 People's Republic of China
| | - Pengfei Li
- Shenzhen Key Laboratory of Marine Archaea Geo-Omics and Department of ChemistryCollege of ScienceSouthern University of Science and Technology Shenzhen 518055 People's Republic of China
| | - Wenjun Li
- Department of Medicinal Chemistry, School of PharmacyQingdao University Qingdao 266021 People's Republic of China
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196
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Zhu C, Kuniyil R, Jei BB, Ackermann L. Domino C–H Activation/Directing Group Migration/Alkyne Annulation: Unique Selectivity by d6-Cobalt(III) Catalysts. ACS Catal 2020. [DOI: 10.1021/acscatal.9b05413] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Cuiju Zhu
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Rositha Kuniyil
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Becky B. Jei
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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197
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Williams AF, White AJP, Spivey AC, Cordier CJ. meta-Selective C-H functionalisation of aryl boronic acids directed by a MIDA-derived boronate ester. Chem Sci 2020; 11:3301-3306. [PMID: 34122837 PMCID: PMC8152520 DOI: 10.1039/d0sc00230e] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
N-Methyliminodiacetic acid (MIDA) boronates are boronic acid derivatives which are stable to reduction, oxidation and transmetalation. This has led to their widespread use as boronic acid protecting groups (PGs) and in iterative cross-couplings. We describe herein the development of a novel MIDA derivative that acts in a dual manner, as a protecting group and a directing group (DG) for meta C(sp2)–H functionalisation of arylboronic acids. Palladium catalysed C–H alkenylations, acetoxylations and arylations are possible, at room temperature and under aerobic conditions. Deprotection to reveal the functionalised boronic acids is rapid and allows for full recovery of the DG. The technique allows the facile diversification of aryl boronic acids and their subsequent use in a range of reactions or in iterative processes. An N-methyliminodiacetic acid derivative allows the meta-C–H functionalisation of boronic acids, acting simultaneously as a directing and protecting group.![]()
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Affiliation(s)
- Alexander F Williams
- Department of Chemistry, Imperial College London White City Campus, Molecular Sciences Research Hub 80 Wood Lane London W12 0BZ UK
| | - Andrew J P White
- Department of Chemistry, Imperial College London White City Campus, Molecular Sciences Research Hub 80 Wood Lane London W12 0BZ UK
| | - Alan C Spivey
- Department of Chemistry, Imperial College London White City Campus, Molecular Sciences Research Hub 80 Wood Lane London W12 0BZ UK
| | - Christopher J Cordier
- Department of Chemistry, Imperial College London White City Campus, Molecular Sciences Research Hub 80 Wood Lane London W12 0BZ UK
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198
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Barysevich MV, Laktsevich-Iskryk MV, Krech AV, Zhabinskii VN, Khripach VA, Hurski AL. Palladium-Catalyzed 2-(Neopentylsulfinyl)aniline Directed C-H Acetoxylation and Alkenylation of Arylacetamides. European J Org Chem 2020. [DOI: 10.1002/ejoc.201901646] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Maryia V. Barysevich
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | | | - Anastasiya V. Krech
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir N. Zhabinskii
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Vladimir A. Khripach
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
| | - Alaksiej L. Hurski
- Institute of Bioorganic Chemistry; National Academy of Sciences of Belarus; Kuprevich str. 5/2 220141 Minsk Belarus
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199
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Porey S, Zhang X, Bhowmick S, Kumar Singh V, Guin S, Paton RS, Maiti D. Alkyne Linchpin Strategy for Drug:Pharmacophore Conjugation: Experimental and Computational Realization of a Meta-Selective Inverse Sonogashira Coupling. J Am Chem Soc 2020; 142:3762-3774. [PMID: 31910623 DOI: 10.1021/jacs.9b10646] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
The late-stage functionalization (LSF) of pharmaceutical and agrochemical compounds by the site-selective activation of C-H bonds provides access to diverse structural analogs and expands synthetically-accessible chemical space. We report a C-H functionalization LSF strategy that hinges on the use of an alkyne linchpin to assemble conjugates of sp2-rich marketed pharmaceuticals and agrochemicals with sp3-rich 3D fragments and natural products. This is accomplished through a template-assisted inverse Sonogashira reaction that displays high levels of selectivity for the meta position. This protocol is also amenable to distal structural modifications of α-amino acids. The transformation of alkyne functionality to other functional groups further highlights the applicative potential. Computational and experimental mechanistic studies shed light on the detailed mechanism. Turnover-limiting 1,2-migratory insertion of the bromoalkyne coupling partner occurs after relatively fast C-H activation. While this insertion occurs unselectively, regioconvergence results from one of the adducts undergoing a 1,2-trialkylsilyl migration to form the alkynylated product. A heterobimetallic Pd-Ag transition structure is essential for product formation in the β-bromide elimination step.
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Affiliation(s)
- Sandip Porey
- Department of Chemistry , Indian Institute of Technology Bombay , Powai, Mumbai 400076 , India
| | - Xinglong Zhang
- Chemistry Research Laboratory , University of Oxford , Mansfield Road , Oxford OX1 3TA , United Kingdom
| | - Suman Bhowmick
- Department of Chemistry , Indian Institute of Technology Bombay , Powai, Mumbai 400076 , India
| | - Vikas Kumar Singh
- Department of Chemistry , Indian Institute of Technology Bombay , Powai, Mumbai 400076 , India
| | - Srimanta Guin
- Department of Chemistry , Indian Institute of Technology Bombay , Powai, Mumbai 400076 , India
| | - Robert S Paton
- Chemistry Research Laboratory , University of Oxford , Mansfield Road , Oxford OX1 3TA , United Kingdom.,Department of Chemistry , Colorado State University , Fort Collins , Colorado 80523 , United States
| | - Debabrata Maiti
- Department of Chemistry , Indian Institute of Technology Bombay , Powai, Mumbai 400076 , India.,Tokyo Tech World Research Hub Initiative (WRHI), Laboratory for Chemistry and Life Science , Tokyo Institute of Technology , Tokyo 152-8550 , Japan
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200
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Li J, Qu S, Zhao W. Rhodium‐Catalyzed Remote C(sp
3
)−H Borylation of Silyl Enol Ethers. Angew Chem Int Ed Engl 2020; 59:2360-2364. [DOI: 10.1002/anie.201913281] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/27/2019] [Indexed: 11/10/2022]
Affiliation(s)
- Jie Li
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Shuanglin Qu
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
| | - Wanxiang Zhao
- State Key Laboratory of Chemo/Biosensing and ChemometricsCollege of Chemistry and Chemical EngineeringHunan University Changsha Hunan 410082 P. R. China
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