1
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Yan W, Poore AT, Yin L, Carter S, Ho YS, Wang C, Yachuw SC, Cheng YH, Krause JA, Cheng MJ, Zhang S, Tian S, Liu W. Catalytically Relevant Organocopper(III) Complexes Formed through Aryl-Radical-Enabled Oxidative Addition. J Am Chem Soc 2024; 146:15176-15185. [PMID: 38770641 DOI: 10.1021/jacs.4c01668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Stepwise oxidative addition of copper(I) complexes to form copper(III) species via single electron transfer (SET) events has been widely proposed in copper catalysis. However, direct observation and detailed investigation of these fundamental steps remain elusive owing largely to the typically slow oxidative addition rate of copper(I) complexes and the instability of the copper(III) species. We report herein a novel aryl-radical-enabled stepwise oxidative addition pathway that allows for the formation of well-defined alkyl-CuIII species from CuI complexes. The process is enabled by the SET from a CuI species to an aryl diazonium salt to form a CuII species and an aryl radical. Subsequent iodine abstraction from an alkyl iodide by the aryl radical affords an alkyl radical, which then reacts with the CuII species to form the alkyl-CuIII complex. The structure of resultant [(bpy)CuIII(CF3)2(alkyl)] complexes has been characterized by NMR spectroscopy and X-ray crystallography. Competition experiments have revealed that the rate at which different alkyl iodides undergo oxidative addition is consistent with the rate of iodine abstraction by carbon-centered radicals. The CuII intermediate formed during the SET process has been identified as a four-coordinate complex, [CuII(CH3CN)2(CF3)2], through electronic paramagnetic resonance (EPR) studies. The catalytic relevance of the high-valent organo-CuIII has been demonstrated by the C-C bond-forming reductive elimination reactivity. Finally, localized orbital bonding analysis of these formal CuIII complexes indicates inverted ligand fields in σ(Cu-CH2) bonds. These results demonstrate the stepwise oxidative addition in copper catalysis and provide a general strategy to investigate the elusive formal CuIII complexes.
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Affiliation(s)
- Wenhao Yan
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Andrew T Poore
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Lingfeng Yin
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Samantha Carter
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Yeu-Shiuan Ho
- Department of Chemistry, National Cheng Kung University, Tainan 701, Taiwan
| | - Chao Wang
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Stephen C Yachuw
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Yu-Ho Cheng
- Department of Chemistry, National Cheng Kung University, Tainan 701, Taiwan
| | - Jeanette A Krause
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Mu-Jeng Cheng
- Department of Chemistry, National Cheng Kung University, Tainan 701, Taiwan
| | - Shiyu Zhang
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Shiliang Tian
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, United States
| | - Wei Liu
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
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2
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Wu X, Song X, Xia Y. High-Valent Copper Catalysis Enables Regioselective Fluoroarylation of Gem-Difluorinated Cyclopropanes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2401243. [PMID: 38460153 PMCID: PMC11095216 DOI: 10.1002/advs.202401243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 02/21/2024] [Indexed: 03/11/2024]
Abstract
Transition-metal (TM) catalyzed reaction of gem-difluorinated cyclopropanes (gem-DFCPs) has drawn much attention recently. The reaction generally occurs via the activation of the distal C─C bond in gem-DFCPs by a low-valent TM through oxidative addition, eventually producing mono-fluoro olefins as the coupling products. However, achieving regioselective activation of the proximal C─C bond in gem-DFCPs that overcomes the intrinsic reactivity via TM catalysis remains elusive. Here, a new reaction mode of gem-DFCPs enabled by high-valent copper catalysis, which allows exclusive activation of the congested proximal C─C bond is presented. The reaction that achieves fluoroarylation of gem-DFCPs uses NFSI (N-fluorobenzenesulfonimide) as electrophilic fluoro reagent and arenes as the C─H nucleophiles, enabling the synthesis of diverse CF3-containing scaffolds. It is proposed that a high-valent copper species plays an important role in the regioselective activation of the proximal C─C bond possibly via a σ-bond metathesis.
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Affiliation(s)
- Xiuli Wu
- West China School of Public Health and West China Fourth HospitalWest China‐PUMC C.C. Chen Institute of Healthand State Key Laboratory of BiotherapySichuan UniversityChengdu610041China
| | - Xiangyu Song
- West China School of Public Health and West China Fourth HospitalWest China‐PUMC C.C. Chen Institute of Healthand State Key Laboratory of BiotherapySichuan UniversityChengdu610041China
| | - Ying Xia
- West China School of Public Health and West China Fourth HospitalWest China‐PUMC C.C. Chen Institute of Healthand State Key Laboratory of BiotherapySichuan UniversityChengdu610041China
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3
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Yin L, Liu W. Stable oganocopper(III) complexes generated via oxidative addition. Sci Bull (Beijing) 2024; 69:288-289. [PMID: 38105160 DOI: 10.1016/j.scib.2023.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Affiliation(s)
- Lingfeng Yin
- Department of Chemistry, University of Cincinnati, Cincinnati OH 45221, USA
| | - Wei Liu
- Department of Chemistry, University of Cincinnati, Cincinnati OH 45221, USA.
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4
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Yan W, Carter S, Hsieh CT, Krause JA, Cheng MJ, Zhang S, Liu W. Copper-Carbon Homolysis Competes with Reductive Elimination in Well-Defined Copper(III) Complexes. J Am Chem Soc 2023; 145:26152-26159. [PMID: 37992224 DOI: 10.1021/jacs.3c08510] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Despite the recent advancements of Cu catalysis for the cross-coupling of alkyl electrophiles and the frequently proposed involvement of alkyl-Cu(III) complexes in such reactions, little is known about the reactivity of these high-valent complexes. Specifically, although the reversible interconversion between an alkyl-CuIII complex and an alkyl radical/CuII pair has been frequently proposed in Cu catalysis, direct observation of such steps in well-defined CuIII complexes remains elusive. In this study, we report the synthesis and investigation of alkyl-CuIII complexes, which exclusively undergo a Cu-C homolysis pathway to generate alkyl radicals and CuII species. Kinetic studies suggest a bond dissociation energy of 28.6 kcal/mol for the CuIII-C bonds. Moreover, these four-coordinate complexes could be converted to a solvated alkyl-CuIII-(CF3)2, which undergoes highly efficient C-CF3 bond-forming reductive elimination even at low temperatures (-4 °C). These results provide strong support for the reversible recombination of alkyl radicals with CuII to form alkyl-CuIII species, an elusive step that has been proposed in Cu-catalyzed mechanisms. Furthermore, our work has demonstrated that the reactivity of CuIII complexes could be significantly influenced by subtle changes in the coordination environment. Lastly, the observation of the highly reactive neutral alkyl-CuIII-(CF3)2 species (or with weakly bound solvent molecules) suggests they might be the true intermediates in many Cu-catalyzed trifluoromethylation reactions.
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Affiliation(s)
- Wenhao Yan
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Samantha Carter
- Department of Chemistry & Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Chi-Tien Hsieh
- Department of Chemistry, National Cheng Kung University, Tainan 701, Taiwan
| | - Jeanette A Krause
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Mu-Jeng Cheng
- Department of Chemistry, National Cheng Kung University, Tainan 701, Taiwan
| | - Shiyu Zhang
- Department of Chemistry & Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Wei Liu
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
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5
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Chen DD, Zhang SL. Dual Oxidation of Epoxides with a High-Valent Cu(III)-CF 3 Compound and DMSO to Access 1,2-Diketones. J Org Chem 2023. [PMID: 38050841 DOI: 10.1021/acs.joc.3c01160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
This study reports sequential dehydrogenation and transfer oxygenation of 1,2-diarylepoxides by high-valent phenCu(III)(CF3)3 and DMSO to produce 1,2-diketones. The Cu(III)-CF3 compound serves as a CF3 radical source to abstract the hydrogen atom of the epoxide ring. The resulting ether α-carbon radical undergoes ring-opening rearrangement to give a ketone α-carbon radical intermediate, which is oxygenated by DMSO with the release of Me2S. The combination of a Cu(III)-CF3 compound and DMSO may be exploited to develop other novel oxidation reactions.
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Affiliation(s)
- Dou-Dou Chen
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Song-Lin Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi, Jiangsu 214122, China
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6
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Kuehner C, Hill AG, Harris CF, Owens CA, Bacsa J, Soper JD. Catalytic C-H Trifluoromethylation of Arenes and Heteroarenes via Visible Light Photoexcitation of a Co(III)-CF 3 Complex. ACS Catal 2023; 13:13607-13617. [PMID: 37881792 PMCID: PMC10594583 DOI: 10.1021/acscatal.3c03832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/22/2023] [Indexed: 10/27/2023]
Abstract
A cobalt photocatalyst for direct trifluoromethylation of (hetero)arene C(sp2)-H bonds is described and shown to operate via visible light activation of a Co-CF3 intermediate, which functions as a combined chromophore and organometallic reaction center. Chemical oxidations of previously reported (OCO)Co complexes containing a redox-active [OCO] pincer ligand afford a Co-CF3 complex two oxidation states above Co(II). Computational and spectroscopic studies are consistent with formulation of the product as [(OCO•)CoIII(CF3)(THF)(OTf)] (II) containing an open-shell [OCO•]1- radical ligand bound to a S = 0 Co(III) center. II is thermodynamically stable, but exposure to blue (440 nm) light induces Co-CF3 bond homolysis and release of •CF3, which is trapped by radical acceptors including TEMPO•, (hetero)arenes, or the radical [OCO•] ligand in II. The latter comprises a competitive degradation pathway, which is overcome under catalytic conditions by using excess substrate. Accordingly, generation of II from the reaction of [(OCO)CoIIL] (III) (L = THF, MeCN) with Umemoto's dibenzothiophenium trifluoromethylating reagent (1) followed by photolytic Co-CF3 bond activation completes a photoredox catalytic cycle for C-H (hetero)arene trifluoromethylation utilizing visible light. Electronic structure and photophysical studies, including time-dependent density functional theory (TDDFT) calculations, suggest that Co-CF3 bond homolysis at II occurs via an ligand-to-metal charge-transfer (LMCT) (OCO0)CoII(CF3) state, revealing ligand redox activity as a critical design feature and establishing design principles for the use of base metal chromophores for selectivity in photoredox bond activations occurring via free radical intermediates.
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Affiliation(s)
- Christopher
S. Kuehner
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332-0400, United States
| | - Andrew G. Hill
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332-0400, United States
| | - Caleb F. Harris
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332-0400, United States
| | - Christian A. Owens
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332-0400, United States
| | - John Bacsa
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332-0400, United States
- X-ray
Crystallography Center, Department of Chemistry, Emory University, 1515 Dickey Drive, Atlanta, Georgia 30322, United States
| | - Jake D. Soper
- School
of Chemistry and Biochemistry, Georgia Institute
of Technology, Atlanta, Georgia 30332-0400, United States
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7
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Luo Y, Li Y, Wu J, Xue XS, Hartwig JF, Shen Q. Oxidative addition of an alkyl halide to form a stable Cu(III) product. Science 2023; 381:1072-1079. [PMID: 37676952 PMCID: PMC10658983 DOI: 10.1126/science.adg9232] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 08/10/2023] [Indexed: 09/09/2023]
Abstract
The step that cleaves the carbon-halogen bond in copper-catalyzed cross-coupling reactions remains ill defined because of the multiple redox manifolds available to copper and the instability of the high-valent copper product formed. We report the oxidative addition of α-haloacetonitrile to ionic and neutral copper(I) complexes to form previously elusive but here fully characterized copper(III) complexes. The stability of these complexes stems from the strong Cu-CF3 bond and the high barrier for C(CF3)-C(CH2CN) bond-forming reductive elimination. The mechanistic studies we performed suggest that oxidative addition to ionic and neutral copper(I) complexes proceeds by means of two different pathways: an SN2-type substitution to the ionic complex and a halogen-atom transfer to the neutral complex. We observed a pronounced ligand acceleration of the oxidative addition, which correlates with that observed in the copper-catalyzed couplings of azoles, amines, or alkynes with alkyl electrophiles.
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Affiliation(s)
- Yongrui Luo
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Yuli Li
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Jian Wu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - Xiao-Song Xue
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, PR China
| | - John F. Hartwig
- Department of Chemistry, University of California, Berkeley, Berkeley, CA 94720, USA
| | - Qilong Shen
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200032, PR China
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8
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Demonti L, Joven-Sancho D, Nebra N. Cross-Coupling Reactions Enabled by Well-Defined Ag(III) Compounds: Main Focus on Aromatic Fluorination and Trifluoromethylation. CHEM REC 2023; 23:e202300143. [PMID: 37338273 DOI: 10.1002/tcr.202300143] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 05/31/2023] [Indexed: 06/21/2023]
Abstract
AgIII compounds are considered strong oxidizers of difficult handling. Accordingly, the involvement of Ag catalysts in cross-coupling via 2e- redox sequences is frequently discarded. Nevertheless, organosilver(III) compounds have been authenticated using tetradentate macrocycles or perfluorinated groups as supporting ligands, and since 2014, first examples of cross-coupling enabled by AgI /AgIII redox cycles saw light. This review collects the most relevant contributions to this field, with main focus on aromatic fluorination/perfluoroalkylation and the identification of AgIII key intermediates. Pertinent comparison between the activity of AgIII RF compounds in aryl-F and aryl-CF3 couplings vs. the one shown by its CuIII RF and AuIII RF congeners is herein disclosed, thus providing a more profound picture on the scope of these transformations and the pathways commonly associated to C-RF bond formations enabled by coinage metals.
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Affiliation(s)
- Luca Demonti
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA)., Université Paul Sabatier, CNRS., 118 Route de Narbonne, 31062, Toulouse, France)
| | - Daniel Joven-Sancho
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA)., Université Paul Sabatier, CNRS., 118 Route de Narbonne, 31062, Toulouse, France)
| | - Noel Nebra
- Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA)., Université Paul Sabatier, CNRS., 118 Route de Narbonne, 31062, Toulouse, France)
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9
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Zeng X, Wang C, Yan W, Rong J, Song Y, Xiao Z, Cai A, Liang SH, Liu W. Aryl Radical Enabled, Copper-Catalyzed Sonogashira-Type Cross-Coupling of Alkynes with Alkyl Iodides. ACS Catal 2023; 13:2761-2770. [PMID: 37800120 PMCID: PMC10552849 DOI: 10.1021/acscatal.2c05901] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Despite the success of Sonogashira coupling for the synthesis of arylalkynes and conjugated enynes, the engagement of unactivated alkyl halides in such reactions remains historically challenging. We report herein a strategy that merges Cu-catalyzed alkyne transfer with the aryl radical activation of carbon-halide bonds to enable a general approach for the coupling of alkyl iodides with terminal alkynes. This unprecedented Sonogashira-type cross-coupling reaction tolerates a broad range of functional groups and has been applied to the late-stage cross-coupling of densely functionalized pharmaceutical agents as well as the synthesis of positron emission tomography tracers.
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Affiliation(s)
- Xiaojun Zeng
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Chao Wang
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Wenhao Yan
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Jian Rong
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30322, United States
| | - Yanshan Song
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, Jiangxi 330031, China
| | - Zhiwei Xiao
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30322, United States
| | - Aijie Cai
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
| | - Steven H Liang
- Department of Radiology and Imaging Sciences, Emory University, Atlanta, Georgia 30322, United States
| | - Wei Liu
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221, United States
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10
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Dai MS, Zheng ZM, Zhang SL. High-valent Cu(III)-CF 3 compound-mediated esterification reaction. Org Biomol Chem 2023; 21:935-939. [PMID: 36602103 DOI: 10.1039/d2ob02166h] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Cu(III)-CF3 compounds are reported herein as novel coupling reagents to mediate ester synthesis from carboxyl acids and alcohols/phenols. Carboxylic acids are transformed to trifluoromethyl ester and acyl fluoride activated species that interact with each other. The broad substrate scope and late-stage application of this method are demonstrated. This study opens up new opportunities to develop interesting reactions using Cu(III)-CF3 compounds without transferring a CF3 group to the products.
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Affiliation(s)
- Ming-Suo Dai
- School of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, Xinjiang, China
| | - Zhen-Mei Zheng
- School of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, Xinjiang, China
| | - Song-Lin Zhang
- School of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Urumqi 830052, Xinjiang, China.,Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University, Wuxi 214122, Jiangsu, China.
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11
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Zhang H, Feng C, Chen N, Zhang S. Direct Arene Trifluoromethylation Enabled by a High‐Valent Cu
III
−CF
3
Compound. Angew Chem Int Ed Engl 2022; 61:e202209029. [DOI: 10.1002/anie.202209029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Hao‐Ran Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi 214122, Jiangsu China
| | - Cong‐Cong Feng
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi 214122, Jiangsu China
| | - Ning Chen
- School of Chemistry and Chemical Engineering Xinjiang Agricultural University 311 Nongda East Road Urumqi 830052, Xinjiang China
| | - Song‐Lin Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material Engineering Jiangnan University 1800 Lihu Road Wuxi 214122, Jiangsu China
- School of Chemistry and Chemical Engineering Xinjiang Agricultural University 311 Nongda East Road Urumqi 830052, Xinjiang China
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12
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Zhang HR, Feng CC, Chen N, Zhang SL. Direct Arene Trifluoromethylation Enabled by a High‐Valent Cu(III)‐CF3 Compound. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202209029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hao-Ran Zhang
- Jiangnan University School of Chemical and Material Engineering 214122 Wuxi CHINA
| | - Cong-Cong Feng
- Jiangnan University School of Chemical and Material Engineering 214122 Wuxi CHINA
| | - Ning Chen
- Xinjiang Agricultural University School of Chemistry and Chemical Engineering Urumqi CHINA
| | - Song-Lin Zhang
- Jiangnan University School of Chemical and Material Engineering 1800 Lihu Road 214122 Wuxi CHINA
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13
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Wang G, Li M, Leng X, Xue X, Shen Q. Neutral Five‐Coordinate Arylated Copper(III) Complex: Key Intermediate in Copper‐Mediated Arene Trifluoromethylation. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Guangyu Wang
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
| | - Man Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Bioinorganic Chemistry and Materia Medica, Hubei Key Laboratory of Materials Chemistry and Service Failure School of Chemistry and Chemical Engi‐neering, Huazhong University of Science and Technology Wuhan 430074 P. R. China
| | - Xuebing Leng
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
| | - Xiaosong Xue
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
| | - Qilong Shen
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences Chinese Academy of Sciences; 345 Lingling Lu Shanghai 200032 P. R. China
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14
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Wang F, Chen Y, Rao W, Shen SS, Wang SY. Cu-catalyzed efficient construction of S (Se)-containing functional organosilicon compounds. Chem Commun (Camb) 2022; 58:12564-12567. [DOI: 10.1039/d2cc04512e] [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 Cu-catalyzed cascade reaction of four-membered silacyclobutanes (SCBs) and thiosulfonates to construct S (Se)-containing organosilicon compounds is described.
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Affiliation(s)
- Fei Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu, 215123, China
| | - Ying Chen
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu, 215123, China
| | - Weidong Rao
- Key Laboratory of Biomass-based Green Fuels and Chemicals, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, China
| | - Shu-Su Shen
- School of Environmental Science and Engineering, Suzhou University of Science and Technology, No. 99, Xuefu road, Huqiu district, Suzhou, 215009, P. R. China
| | - Shun-Yi Wang
- Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, 199 Ren-Ai Road, Suzhou, Jiangsu, 215123, China
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15
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Jannapu Reddy R, Waheed M, Haritha Kumari A, Rama Krishna G. Interrupted CuAAC‐Thiolation for the Construction of 1,2,3‐Triazole‐Fused Eight‐Membered Heterocycles from
O
‐/
N
‐Propargyl derived Benzyl Thiosulfonates with Organic Azides. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202101256] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Raju Jannapu Reddy
- Department of Chemistry, University College of Science Osmania University Hyderabad 500 007 India
| | - Md. Waheed
- Department of Chemistry, University College of Science Osmania University Hyderabad 500 007 India
| | - Arram Haritha Kumari
- Department of Chemistry, University College of Science Osmania University Hyderabad 500 007 India
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16
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Liu L, Chen H, Yang Z, Wei J, Xi Z. C,C- and C,N-Chelated Organocopper Compounds. Molecules 2021; 26:molecules26195806. [PMID: 34641351 PMCID: PMC8510249 DOI: 10.3390/molecules26195806] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 09/22/2021] [Accepted: 09/23/2021] [Indexed: 11/16/2022] Open
Abstract
Copper-catalyzed and organocopper-involved reactions are of great significance in organic synthesis. To have a deep understanding of the reaction mechanisms, the structural characterizations of organocopper intermediates become indispensable. Meanwhile, the structure-function relationship of organocopper compounds could advance the rational design and development of new Cu-based reactions and organocopper reagents. Compared to the mono-carbonic ligand, the C,N- and C,C-bidentate ligands better stabilize unstable organocopper compounds. Bidentate ligands can chelate to the same copper atom via η2-mode, forming a mono-cupra-cyclic compounds with at least one acute C-Cu-C angle. When the bidentate ligands bind to two copper atoms via η1-mode at each coordinating site, the bimetallic macrocyclic compounds will form nearly linear C-Cu-C angles. The anionic coordinating sites of the bidentate ligand can also bridge two metals via μ2-mode, forming organocopper aggregates with Cu-Cu interactions and organocuprates with contact ion pair structures. The reaction chemistry of some selected organocopper compounds is highlighted, showing their unique structure-reactivity relationships.
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Affiliation(s)
- Liang Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China;
| | - Hui Chen
- Henan Institute of Chemistry Co., Ltd., Henan Academy of Sciences, Zhengzhou 450002, China; (H.C.); (Z.Y.)
| | - Zhenqiang Yang
- Henan Institute of Chemistry Co., Ltd., Henan Academy of Sciences, Zhengzhou 450002, China; (H.C.); (Z.Y.)
| | - Junnian Wei
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China;
- Correspondence: (J.W.); (Z.X.)
| | - Zhenfeng Xi
- Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China;
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry (SIOC), Shanghai 200032, China
- Correspondence: (J.W.); (Z.X.)
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17
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Liu H, Shen Q. Well-defined organometallic Copper(III) complexes: Preparation, characterization and reactivity. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.213923] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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18
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Lutz S, Nattmann L, Nöthling N, Cornella J. 16-Electron Nickel(0)-Olefin Complexes in Low-Temperature C(sp2)–C(sp3) Kumada Cross-Couplings. Organometallics 2021. [DOI: 10.1021/acs.organomet.0c00775] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Sigrid Lutz
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
| | - Lukas Nattmann
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
| | - Nils Nöthling
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
| | - Josep Cornella
- Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, Mülheim an der Ruhr, 45470, Germany
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19
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Xiao L, Lang TT, Jiang Y, Zang ZL, Zhou CH, Cai GX. Aerobic Copper-Catalyzed Salicylaldehydic C formyl -H Arylations with Arylboronic Acids. Chemistry 2021; 27:3278-3283. [PMID: 33289166 DOI: 10.1002/chem.202004810] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 12/01/2020] [Indexed: 12/15/2022]
Abstract
We report a challenging copper-catalyzed Cformyl -H arylation of salicylaldehydes with arylboronic acids that involves unique salicylaldehydic copper species that differ from reported salicylaldehydic rhodacycles and palladacycles. This protocol has high chemoselectivity for the Cformyl -H bond compared to the phenolic O-H bond involving copper catalysis under high reaction temperatures. This approach is compatible with a wide range of salicylaldehyde and arylboronic acid substrates, including estrone and carbazole derivatives, which leads to the corresponding arylation products. Mechanistic studies show that the 2-hydroxy group of the salicylaldehyde substrate triggers the formation of salicylaldehydic copper complexes through a CuI /CuII /CuIII catalytic cycle.
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Affiliation(s)
- Lin Xiao
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Tao-Tao Lang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Ying Jiang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Zhong-Lin Zang
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Cheng-He Zhou
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
| | - Gui-Xin Cai
- Institute of Bioorganic & Medicinal Chemistry, Key Laboratory of Luminescence Analysis and Molecular Sensing, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, P. R. China
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20
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Duval M, Blons C, Mallet-Ladeira S, Delcroix D, Magna L, Olivier-Bourbigou H, Sosa Carrizo ED, Miqueu K, Amgoune A, Szalóki G, Bourissou D. Cu-Catalyzed P-C bond formation/cleavage: straightforward synthesis/ring-expansion of strained cyclic phosphoniums. Dalton Trans 2020; 49:13100-13109. [PMID: 32930272 DOI: 10.1039/d0dt03059g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Upon reaction with copper(i), peri-halo naphthyl phosphines readily form peri-bridged naphthyl phosphonium salts. The reaction works with alkyl, aryl and amino substituents at phosphorus, with iodine, bromine and chlorine as a halogen. It proceeds under mild conditions and is quantitative, despite the strain associated with the resulting 4-membered ring structure and the naphthalene framework. The transformation is amenable to catalysis. Under optimized conditions, the peri-iodo naphthyl phosphine 1-I is converted into the corresponding peri-bridged naphthyl phosphonium salt 2b in only 5 minutes at room temperature using 1 mol% of CuI. Based on DFT calculations, the reaction is proposed to involve a Cu(i)/Cu(iii) cycle made of P-coordination, C-X oxidative addition and P-C reductive elimination. This copper-catalyzed route gives a general and efficient access to peri-bridged naphthyl phosphonium salts for the first time. Reactivity studies could thus be initiated and the possibility to insert gold into the strained P-C bond was demonstrated. It leads to (P,C)-cyclometallated gold(iii) complexes. According to experimental observations and DFT calculations, two mechanistic pathways are operating: (i) direct oxidative addition of the strained P-C bond to gold,(ii) backward-formation of the peri-halo naphthyl phosphine (by C-P oxidative addition to copper followed by C-X reductive elimination), copper to gold exchange and oxidative addition of the C-X bond to gold. Detailed analysis of the reaction profiles computed theoretically gives more insight into the influence of the nature of the solvent and halogen atom, and provides rationale for the very different behaviour of copper and gold in this chemistry.
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Affiliation(s)
- Maryne Duval
- CNRS/Université Toulouse III - Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Charlie Blons
- CNRS/Université Toulouse III - Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Sonia Mallet-Ladeira
- Institut de Chimie de Toulouse (FR 2599), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France
| | - Damien Delcroix
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize BP3, 69360 Solaize, France
| | - Lionel Magna
- IFP Energies nouvelles, Rond-Point de l'Echangeur de Solaize BP3, 69360 Solaize, France
| | | | - E Daiann Sosa Carrizo
- CNRS/Université de Pau et des Pays de l'Adour, Institut des Sciences Analytiques et Physico-Chimie pour l'Environnement et les Matériaux (IPREM, UMR 5254), Hélioparc, 2 Avenue du Président Angot, 64053 Pau Cedex 09, France.
| | - Karinne Miqueu
- CNRS/Université de Pau et des Pays de l'Adour, Institut des Sciences Analytiques et Physico-Chimie pour l'Environnement et les Matériaux (IPREM, UMR 5254), Hélioparc, 2 Avenue du Président Angot, 64053 Pau Cedex 09, France.
| | - Abderrahmane Amgoune
- CNRS/Université Toulouse III - Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - György Szalóki
- CNRS/Université Toulouse III - Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France.
| | - Didier Bourissou
- CNRS/Université Toulouse III - Paul Sabatier, Laboratoire Hétérochimie Fondamentale et Appliquée (LHFA, UMR 5069), 118 Route de Narbonne, 31062 Toulouse Cedex 09, France.
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21
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Liu S, Liu H, Liu S, Lu Z, Lu C, Leng X, Lan Y, Shen Q. C(sp 3)-CF 3 Reductive Elimination from a Five-Coordinate Neutral Copper(III) Complex. J Am Chem Soc 2020; 142:9785-9791. [PMID: 32365294 DOI: 10.1021/jacs.0c03304] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The reductive elimination from a high-valent late-transition-metal complex for the formation of a carbon-carbon or carbon-heteroatom bond represents a fundamental product-forming step in a number of catalytic processes. While reductive eliminations from well-defined Pt(IV), Pd(IV), Ni(III)/Ni(IV), and Au(III) complexes have been studied, the analogous reactions from neutral Cu(III) complexes remain largely unexplored. Herein, we report the isolation of a stable, five-coordinate, neutral square pyramidal Cu(III) complex that gives CH3-CF3 in quantitative yield via reductive elimination. Mechanistic studies suggest that the reaction occurs through a synchronous bond-breaking/bond-forming process via a three-membered ring transition state.
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Affiliation(s)
- Shuanshuan Liu
- Shandong Provincial Key Laboratory of Fluorine Chemistry and Chemical Materials, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, China.,Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P.R. China
| | - He Liu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P.R. China
| | - Shihan Liu
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P.R. China
| | - Zehai Lu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P.R. China
| | - Changhui Lu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P.R. China
| | - Xuebing Leng
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P.R. China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, P.R. China
| | - Qilong Shen
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P.R. China
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22
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Wang W, Huang S, Yan S, Sun X, Tung C, Xu Z. Copper(I)‐Catalyzed Interrupted Click/Sulfenylation Cascade: One‐Pot Synthesis of Sulfur Cycle Fused 1,2,3‐Triazoles. CHINESE J CHEM 2020. [DOI: 10.1002/cjoc.201900556] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Weiguo Wang
- School of Chemistry and Chemical EngineeringQufu Normal University Qufu Shandong 273165 China
- Key Lab for Colloid and Interface Chemistry of Education MinistryShandong University Jinan Shandong 250100 China
| | - Shuai Huang
- Key Lab for Colloid and Interface Chemistry of Education MinistryShandong University Jinan Shandong 250100 China
| | - Shikun Yan
- School of Chemistry and Chemical EngineeringQufu Normal University Qufu Shandong 273165 China
| | - Xuejun Sun
- School of Chemistry and Chemical EngineeringQufu Normal University Qufu Shandong 273165 China
| | - Chen‐Ho Tung
- Key Lab for Colloid and Interface Chemistry of Education MinistryShandong University Jinan Shandong 250100 China
| | - Zhenghu Xu
- Key Lab for Colloid and Interface Chemistry of Education MinistryShandong University Jinan Shandong 250100 China
- State Key Laboratory of Organometallic ChemistryShanghai Institute of Organic Chemistry, Chinese Academy of Sciences Shanghai 200032 China
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23
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Dong J, Zhang S. Synthesis of 2,2,2‐Trifluoroethyl Oxazoles, Oxazolines and Furans via Alkyne Oxytrifluoromethylation. Adv Synth Catal 2020. [DOI: 10.1002/adsc.201901405] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jia‐Jia Dong
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material EngineeringJiangnan University Wuxi 214122 People's Republic of China
| | - Song‐Lin Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material EngineeringJiangnan University Wuxi 214122 People's Republic of China
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24
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Zhang Q, Wang T, Zhang X, Tong S, Wu YD, Wang MX. Radical Reactivity, Catalysis, and Reaction Mechanism of Arylcopper(II) Compounds: The Missing Link in Organocopper Chemistry. J Am Chem Soc 2019; 141:18341-18348. [PMID: 31621320 DOI: 10.1021/jacs.9b10226] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Organocopper(I) compounds are recognized as carbon nucleophiles, while organocopper(III) complexes are involved in copper catalysis as intermediates to undergo a cross-coupling reaction with various anionic nucleophiles. In contrast to the chemistry of organocopper(I) and (III) compounds, organocopper(II) chemistry is virtually a missing link in integral organocopper chemistry because structurally well-defined organocopper(II) compounds have barely been isolated or studied. We report in this Article an investigation of the radical reactions of stable and structurally well-defined arylcopper(II) compounds, obtained readily from the arene C-H bond reaction of macrocyclic azacalix[1]arene[3]pyridines and Cu(ClO4)2. We have found that arylcopper(II) compounds acted as essentially radical species to undergo an efficient three-component reaction with radical initiators 2,2'-azobis(isobutyronitrile) (AIBN) or 2,2'-azobis(2,4-dimethylvaleronitrile) (ABVN) and α,β-unsaturated compounds CH2═CHX (X = CO2CH3, CN, CONH2, COCH3, and SO2Ph) to afford polyfunctionalized products. Combined experimental and theoretical studies revealed that radicals couple directly with the Caryl atom of arylcopper(II) compounds to form Calkyl-Caryl bonds through a Cu(II)/Cu(I) mechanism. Comprehension of the formation and radical reactivity of arylcopper(II) compounds has allowed the development of a copper-catalyzed three-component radical reaction for arene C-H bond functionalization.
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Affiliation(s)
- Qian Zhang
- MOE Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Ting Wang
- Laboratory of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China
| | - Xinhao Zhang
- Laboratory of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China
| | - Shuo Tong
- MOE Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Department of Chemistry , Tsinghua University , Beijing 100084 , China
| | - Yun-Dong Wu
- Laboratory of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics , Peking University Shenzhen Graduate School , Shenzhen 518055 , China.,College of Chemistry , Peking University , Beijing 100871 , China
| | - Mei-Xiang Wang
- MOE Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology, Department of Chemistry , Tsinghua University , Beijing 100084 , China
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25
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Zhang H, Xiao C, Zhang S, Zhang X. Radical C−H Bond Trifluoromethylation of Alkenes by High‐Valent Copper(III) Trifluoromethyl Compounds. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201901105] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Hao‐Ran Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material EngineeringJiangnan University Wuxi 214122 People's Republic of China
| | - Chang Xiao
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material EngineeringJiangnan University Wuxi 214122 People's Republic of China
| | - Song‐Lin Zhang
- Key Laboratory of Synthetic and Biological Colloids, Ministry of Education, School of Chemical and Material EngineeringJiangnan University Wuxi 214122 People's Republic of China
| | - Xiaoming Zhang
- School of Food Science and TechnologyJiangnan University Wuxi 214122 People's Republic of China
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26
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Xiao H, Shen H, Zhu L, Li C. Copper-Catalyzed Radical Aminotrifluoromethylation of Alkenes. J Am Chem Soc 2019; 141:11440-11445. [DOI: 10.1021/jacs.9b06141] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Haiwen Xiao
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Haigen Shen
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Lin Zhu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Chaozhong Li
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
- School of Materials and Chemical Engineering, Ningbo University of Technology, No. 201 Fenghua Road, Ningbo 315211, P. R. China
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27
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Lu Z, Liu H, Liu S, Leng X, Lan Y, Shen Q. A Key Intermediate in Copper‐Mediated Arene Trifluoromethylation, [
n
Bu
4
N][Cu(Ar)(CF
3
)
3
]: Synthesis, Characterization, and C(sp
2
)−CF
3
Reductive Elimination. Angew Chem Int Ed Engl 2019; 58:8510-8514. [DOI: 10.1002/anie.201904041] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Indexed: 02/03/2023]
Affiliation(s)
- Zehai Lu
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - He Liu
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Shihan Liu
- School of Chemistry and Chemical EngineeringChongqing University Chongqing 400030 P. R. China
| | - Xuebing Leng
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Yu Lan
- School of Chemistry and Chemical EngineeringChongqing University Chongqing 400030 P. R. China
| | - Qilong Shen
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
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28
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Liu T, Feng J, Chen C, Deng Z, Kotagiri R, Zhou G, Zhang X, Cai Q. Copper(I)-Catalyzed Intramolecular Asymmetric Double C-Arylation for the Formation of Chiral Spirocyclic Bis-oxindoles. Org Lett 2019; 21:4505-4509. [PMID: 31184179 DOI: 10.1021/acs.orglett.9b01373] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Ting Liu
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China
| | - Jiajie Feng
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
| | - Chen Chen
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China
| | - Zhuoji Deng
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China
| | - Rajendraprasad Kotagiri
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China
| | - Guangxiong Zhou
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China
| | - Xinhao Zhang
- Lab of Computational Chemistry and Drug Design, State Key Laboratory of Chemical Oncogenomics, Peking University Shenzhen Graduate School, Shenzhen 518055, China
- Shenzhen Bay Laboratory, Shenzhen, 518055, China
| | - Qian Cai
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, No. 601 Huangpu Avenue West, Guangzhou, 510632, China
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29
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Lu Z, Liu H, Liu S, Leng X, Lan Y, Shen Q. A Key Intermediate in Copper‐Mediated Arene Trifluoromethylation, [
n
Bu
4
N][Cu(Ar)(CF
3
)
3
]: Synthesis, Characterization, and C(sp
2
)−CF
3
Reductive Elimination. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904041] [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]
Affiliation(s)
- Zehai Lu
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - He Liu
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Shihan Liu
- School of Chemistry and Chemical EngineeringChongqing University Chongqing 400030 P. R. China
| | - Xuebing Leng
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
| | - Yu Lan
- School of Chemistry and Chemical EngineeringChongqing University Chongqing 400030 P. R. China
| | - Qilong Shen
- Key Laboratory of Organofluorine ChemistryCenter for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of SciencesChinese Academy of Sciences 345 Lingling Road Shanghai 200032 P. R. China
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30
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Zhang Z, Zhu L. Trifluoromethyl Radical Addition versus Radical Trifluoromethylation: Reversed Regioselectivity in Carbotrifluoromethylation of Alkenes. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900130] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Zhenzhen Zhang
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Road, Shanghai 200032 China
| | - Lin Zhu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences 345 Lingling Road, Shanghai 200032 China
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Yang S, Chen M, Tang P. Visible‐Light Photoredox‐Catalyzed and Copper‐Promoted Trifluoromethoxylation of Arenediazonium Tetrafluoroborates. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201901447] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Shaoqiang Yang
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Miao Chen
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
| | - Pingping Tang
- State Key Laboratory and Institute of Elemento-Organic ChemistryCollege of ChemistryNankai University Tianjin 300071 China
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Yang S, Chen M, Tang P. Visible-Light Photoredox-Catalyzed and Copper-Promoted Trifluoromethoxylation of Arenediazonium Tetrafluoroborates. Angew Chem Int Ed Engl 2019; 58:7840-7844. [PMID: 30964599 DOI: 10.1002/anie.201901447] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Indexed: 01/16/2023]
Abstract
We report the development of photoredox-catalyzed and copper-promoted trifluoromethoxylation of arenediazonium tetrafluoroborates, with trifluoromethyl arylsulfonate (TFMS) as the trifluoromethoxylation reagent. This new method takes advantage of visible-light photoredox catalysis to generate the aryl radical under mild conditions, combined with copper-promoted selective trifluoromethoxylation. The reaction is scalable, tolerates a wide range of functional groups, and proceeds regioselectively under mild reaction conditions. Furthermore, mechanistic studies suggested that a Cs[Cu(OCF3 )2 ] intermediate might be generated during the reaction.
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Affiliation(s)
- Shaoqiang Yang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Miao Chen
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Pingping Tang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
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Zhang Z, Zhu L, Li C. Copper‐Catalyzed Carbotrifluoromethylation of Unactivated Alkenes Driven by Trifluoromethylation of Alkyl Radicals. CHINESE J CHEM 2019. [DOI: 10.1002/cjoc.201900075] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Zhenzhen Zhang
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic ChemistryChinese Academy of Sciences, 345 Lingling Road Shanghai 200032 China
| | - Lin Zhu
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic ChemistryChinese Academy of Sciences, 345 Lingling Road Shanghai 200032 China
| | - Chaozhong Li
- Key Laboratory of Organofluorine Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic ChemistryChinese Academy of Sciences, 345 Lingling Road Shanghai 200032 China
- School of Materials and Chemical EngineeringNingbo University of Technology, No. 201 Fenghua Road, Ningbo Zhejiang 315211 China
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