1
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Liu W, Li W, Xu W, Wang M, Kong W. Nickel-catalyzed switchable arylative/endo-cyclization of 1,6-enynes. Nat Commun 2024; 15:2914. [PMID: 38575585 PMCID: PMC10995176 DOI: 10.1038/s41467-024-47200-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Accepted: 01/16/2024] [Indexed: 04/06/2024] Open
Abstract
Carbo- and heterocycles are frequently used as crucial scaffolds in natural products, fine chemicals, and biologically and pharmaceutically active compounds. Transition-metal-catalyzed cyclization of 1,6-enynes has emerged as a powerful strategy for constructing functionalized carbo- and heterocycles. Despite significant progress, the regioselectivity of alkyne functionalization is entirely substrate-dependent. And only exo-cyclization/cross-coupling products can be obtained, while endo-selective cyclization/cross-coupling remains elusive and still poses a formidable challenge. In this study, we disclose a nickel-catalyzed switchable arylation/cyclization of 1,6-enynes in which the nature of the ligand dictates the regioselectivity of alkyne arylation, while the electrophilic trapping reagents determine the selectivity of the cyclization mode. Specifically, using a commercially available 1,10-phenanthroline as a ligand facilitates trans-arylation/cyclization to obtain seven-membered ring products, while a 2-naphthyl-substituted bisbox ligand promotes cis-arylation/cyclization to access six-membered ring products. Diastereoselective cyclizations have also been developed for the synthesis of enantioenriched piperidines and azepanes, which are core structural elements of pharmaceuticals and natural products possessing important biological activities. Furthermore, experimental and density functional theory studies reveal that the regioselectivity of the alkyne arylation process is entirely controlled by the steric hindrance of the ligand; the reaction mechanism involves exo-cyclization followed by Dowd-Beckwith-type ring expansion to form endo-cyclization products.
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Affiliation(s)
- Wenfeng Liu
- The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China
| | - Wei Li
- The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China
| | - Weipeng Xu
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China
| | - Minyan Wang
- State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.
| | - Wangqing Kong
- The Institute for Advanced Studies (IAS), Wuhan University, Wuhan, 430072, China.
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2
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Hu T, Jaber M, Tran G, Bouyssi D, Monteiro N, Amgoune A. Photoinduced NiH Catalysis with Trialkylamines for the Stereodivergent Transfer Semi-Hydrogenation of Alkynes. Chemistry 2023; 29:e202301636. [PMID: 37466982 DOI: 10.1002/chem.202301636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/13/2023] [Accepted: 07/18/2023] [Indexed: 07/20/2023]
Abstract
We report a selectivity-switchable nickel hydride-catalyzed methodology that enables the stereocontrolled semi-reduction of internal alkynes to E- or Z-alkenes under very mild conditions. The proposed transfer semi-hydrogenation process involves the use of a dual nickel/photoredox catalytic system and triethylamine, not only as a sacrificial reductant, but also as a source of hydrogen atoms. Mechanistic studies revealed a pathway involving photo-induced generation of nickel hydride, syn-hydronickelation of alkyne, and alkenylnickel isomerization as key steps. Remarkably, mechanistic experiments indicate that the control of the stereoselectivity is not ensuing from a post-reduction alkene photoisomerization under our conditions. Instead, we demonstrate that the stereoselectivity of the reaction is dependent on the rate of a final protonolysis step which can be tuned by adjusting the pKa of an alcohol additive.
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Affiliation(s)
- Tingjun Hu
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Mohammad Jaber
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Gaël Tran
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Didier Bouyssi
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Nuno Monteiro
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
| | - Abderrahmane Amgoune
- Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), Univ Lyon, Université Lyon 1, 1 rue Victor Grignard, 69100, Villeurbanne, France
- Institut Universitaire de France (IUF), 1 rue Descartes, 75231, Paris, France
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3
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Zhang H, Rodrigalvarez J, Martin R. C(sp 2)-H Hydroxylation via Catalytic 1,4-Ni Migration with N 2O. J Am Chem Soc 2023; 145:17564-17569. [PMID: 37531410 PMCID: PMC10586377 DOI: 10.1021/jacs.3c07018] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Indexed: 08/04/2023]
Abstract
Herein, we report a Ni-catalyzed C(sp2)-H hydroxylation of aryl bromides with N2O as an oxygen-atom donor. The reaction is enabled by a 1,4-Ni translocation that results in ipso/ortho difunctionalized products. Regioselectivity and stereocontrol are dictated by a judicious choice of the ligand backbone, thus giving access to either carbonyl or phenol derivatives and offering an opportunity to repurpose hazardous substances en route to valuable oxygen-containing building blocks.
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Affiliation(s)
- Huihui Zhang
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- Universitat
Rovira i Virgili, Departament de Química
Orgànica, c/Marcel·lí
Domingo, 1, 43007 Tarragona, Spain
| | - Jesus Rodrigalvarez
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
| | - Ruben Martin
- Institute
of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Av. Països Catalans 16, 43007 Tarragona, Spain
- ICREA, Passeig Lluís Companys, 23, 08010 Barcelona, Spain
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4
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Wu Y, Ao Y, Li Z, Liu C, Zhao J, Gao W, Li X, Wang H, Liu Y, Liu Y. Modulation of metal species as control point for Ni-catalyzed stereodivergent semihydrogenation of alkynes with water. Nat Commun 2023; 14:1655. [PMID: 36964163 PMCID: PMC10039052 DOI: 10.1038/s41467-023-37022-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 02/23/2023] [Indexed: 03/26/2023] Open
Abstract
A base-assisted metal species modulation mechanism enables Ni-catalyzed stereodivergent transfer semihydrogenation of alkynes with water, delivering both olefinic isomers smoothly using cheap and nontoxic catalysts and additives. Different from most precedents, in which E-alkenes derive from the isomerization of Z-alkene products, the isomers were formed in orthogonal catalytic pathways. Mechanistic studies suggest base as a key early element in modulation of the reaction pathways: by adding different bases, nickel species with disparate valence states could be accessed to initiate two catalytic cycles toward different stereoisomers. The practicability of the method is showcased with nearly 70 examples, including internal and terminal triple bonds, enynes and diynes, affording semi-hydrogenated products in high yields and selectivity.
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Affiliation(s)
- Yuanqi Wu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Yuhui Ao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Zhiming Li
- Department of Chemistry, Fudan University, 200438, Shanghai, PR China.
| | - Chunhui Liu
- College of Chemical and Materials Engineering, Xuchang University, 461000, Xuchang, PR China
| | - Jinbo Zhao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Wenyu Gao
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Xuemeng Li
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Hui Wang
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Yongsheng Liu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China
| | - Yu Liu
- Jilin Provincial Key Laboratory of Carbon Fiber Development and Application, College of Chemistry and Life Science, Advanced Institute of Materials Science, Changchun University of Technology, 130012, Changchun, PR China.
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5
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Moore LP, Hagedorn ZJ, Barnes ME, Dye MLN, Whitt LM, Wilger DJ. Electronic and Steric Effects Control Regioselectivity in Alkyne Migratory Insertion during Ni-Catalyzed Indenone Synthesis. Organometallics 2023. [DOI: 10.1021/acs.organomet.2c00540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- Lydia P. Moore
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Zachary J. Hagedorn
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Megan E. Barnes
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Mei Lin N. Dye
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Logan M. Whitt
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Dale J. Wilger
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
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6
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Li K, Long X, Zhu S. Photoredox/Nickel Dual Catalysis-Enabled Modular Synthesis of Arylallyl Alcohols with Acetylene as the Two-Carbon Synthon. ACS Catal 2023. [DOI: 10.1021/acscatal.2c06178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Kangkui Li
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Xianyang Long
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
| | - Shifa Zhu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, P. R. China
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7
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Niu R, Zhao J, Mou Q, Zhao R, Zhang J, Wang M, Sun B. Cp
X
Co (III)‐catalyzed selective C‐H alkenylation of indoles with ethynylethylene carbonates. Appl Organomet Chem 2022. [DOI: 10.1002/aoc.6863] [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)
- Ruihan Niu
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Jiakai Zhao
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Qi Mou
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Ruyuan Zhao
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Jing Zhang
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Meiqi Wang
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
| | - Bo Sun
- State Key Laboratory Base of Eco‐chemical Engineering, College of Chemical Engineering Qingdao University of Science & Technology Qingdao P. R. China
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8
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Gillbard SM, Lam HW. Nickel-Catalyzed Arylative Cyclizations of Alkyne- and Allene-Tethered Electrophiles using Arylboron Reagents. Chemistry 2022; 28:e202104230. [PMID: 34986277 PMCID: PMC9302687 DOI: 10.1002/chem.202104230] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 12/14/2022]
Abstract
The use of arylboron reagents in metal‐catalyzed domino addition–cyclization reactions is a well‐established strategy for the preparation of diverse, highly functionalized carbo‐ and heterocyclic products. Although rhodium‐ and palladium‐based catalysts have been commonly used for these reactions, more recent work has demonstrated nickel catalysis is also highly effective, in many cases offering unique reactivity and access to products that might otherwise not be readily available. This review gives an overview of nickel‐catalyzed arylative cyclizations of alkyne‐ and allene‐tethered electrophiles using arylboron reagents. The scope of the reactions is discussed in detail, and general mechanistic concepts underpinning the processes are described.
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Affiliation(s)
- Simone M Gillbard
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Jubilee Campus, Triumph Road, NG7 2TU, Nottingham, UK.,School of Chemistry, University of Nottingham, University Park, NG7 2RD, Nottingham, UK
| | - Hon Wai Lam
- The GlaxoSmithKline Carbon Neutral Laboratories for Sustainable Chemistry, University of Nottingham, Jubilee Campus, Triumph Road, NG7 2TU, Nottingham, UK.,School of Chemistry, University of Nottingham, University Park, NG7 2RD, Nottingham, UK
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9
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Hynds HM, Lemons HE, Willis JD, Bell MJ, Bottcher SE, Dye MLN, Echols ET, Garner EL, Hutchinson LE, Phillips CM, Stephens CP, Gilbert TM, Wilger DJ. Ni-Catalyzed Larock Indenone Annulation with Aliphatic- and Silyl-Substituted Alkynes Supported by Mechanistic Analysis. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Hannah M. Hynds
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Holli E. Lemons
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Jasmine D. Willis
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - MarKayla J. Bell
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Sydney E. Bottcher
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Mei Lin N. Dye
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Emily T. Echols
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Edward L. Garner
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Lauren E. Hutchinson
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Caleb M. Phillips
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Claudia P. Stephens
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
| | - Thomas M. Gilbert
- Department of Chemistry and Biochemistry, Northern Illinois University, DeKalb, Illinois 60115, United States
| | - Dale J. Wilger
- Department of Chemistry and Biochemistry, Samford University, Birmingham, Alabama 35229, United States
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10
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Synthesis of α,β-unsaturated ketones through nickel-catalysed aldehyde-free hydroacylation of alkynes. Commun Chem 2022; 5:13. [PMID: 36697817 PMCID: PMC9814684 DOI: 10.1038/s42004-022-00633-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 01/20/2022] [Indexed: 01/28/2023] Open
Abstract
α,β-Unsaturated ketones are common feedstocks for the synthesis of fine chemicals, pharmaceuticals, and natural products. Transition metal-catalysed hydroacylation reactions of alkynes using aldehydes have been recognised as an atom-economical route to access α,β-unsaturated ketones through chemoselective aldehydic C-H activation. However, the previously reported hydroacylation reactions using rhodium, cobalt, or ruthenium catalysts require chelating moiety-bearing aldehydes to prevent decarbonylation of acyl-metal-hydride complexes. Herein, we report a nickel-catalysed anti-Markovnikov selective coupling process to afford non-tethered E-enones from terminal alkynes and S-2-pyridyl thioesters in the presence of zinc metal as a reducing agent. Utilization of a readily available thioester as an acylating agent and water as a proton donor enables the mechanistically distinctive and aldehyde-free hydroacylation of terminal alkynes. This non-chelation-controlled approach features mild reaction conditions, high step economy, and excellent regio- and stereoselectivity.
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11
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Zhang K, Provot O, Alami M, Tran C, Hamze A. Pd-Catalyzed Coupling of N-Tosylhydrazones with Benzylic Phosphates: Toward the Synthesis of Di- or Tri-Substituted Alkenes. J Org Chem 2022; 87:1249-1261. [PMID: 35015524 DOI: 10.1021/acs.joc.1c02580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This study shows that various di- and tri-substituted alkenes with high chemoselectivity were obtained in good to high yields by coupling N-tosylhydrazones (NTHs) with benzylic phosphates as electrophilic partners. The obtained new catalytic system consisted of PdCl2(CH3CN)2/dppp, LiOtBu as a base, and cyclopentyl methyl ether as a green solvent. In addition, we performed a gram-scale transformation using NTH derivatives and benzylic phosphates having a C sp2-Cl bond. The latter was used as a starting point for further postfunctionalization of the key intermediates.
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Affiliation(s)
- Kena Zhang
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France
| | - Olivier Provot
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France
| | - Mouad Alami
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France
| | - Christine Tran
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France
| | - Abdallah Hamze
- Université Paris-Saclay, CNRS, BioCIS, 92290 Châtenay-Malabry, France
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12
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Ghosh T, Bhakta S. Nickel-Catalyzed Hydroarylation Reaction: A Useful Tool in Organic Synthesis. Org Chem Front 2022. [DOI: 10.1039/d2qo00826b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This article describes the recent advances in the field of nickel-catalyzed hydroarylation reaction of alkenes, alkynes, and arenes. All reactions proceeded either through internal hydride transfer or in presence of...
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13
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Ghosh T, Chatterjee J, Bhakta S. Gold-Catalyzed Hydroarylation Reactions: A Comprehensive Overview. Org Biomol Chem 2022; 20:7151-7187. [DOI: 10.1039/d2ob00960a] [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
The hydroarylation of alkynes, alkene, and, allene is a cost-effective and efficient way to incorporate unsaturated moieties into aromatic substrates. This review focuses on gold-catalyzed hydroarylation, which produces aromatic alkenes,...
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14
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Wang H, Liu CF, Martin RT, Gutierrez O, Koh MJ. Directing-group-free catalytic dicarbofunctionalization of unactivated alkenes. Nat Chem 2021; 14:188-195. [PMID: 34903858 DOI: 10.1038/s41557-021-00836-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 10/13/2021] [Indexed: 11/09/2022]
Abstract
In the absence of directing auxiliaries, the catalytic addition of carbogenic groups to unactivated alkenes with control of regioselectivity remains an ongoing challenge in organic chemistry. Here we describe a directing-group-free, nickel-catalysed strategy that couples a broad array of unactivated and activated olefins with aryl-substituted triflates and organometallic nucleophiles to afford diarylation adducts in either regioisomeric form, in up to 93% yield and >98% site selectivity. By switching the reagents involved, the present strategy may be extended to other classes of dicarbofunctionalization reactions. Mechanistic and computational investigations offer insights into the origin of the observed regiochemical outcome and the utility of the method is highlighted through the concise syntheses of biologically active molecules. The catalyst control principles reported are expected to advance efforts towards the development of general site-selective alkene functionalizations, removing the requirement for neighbouring activating groups.
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Affiliation(s)
- Hongyu Wang
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Chen-Fei Liu
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore
| | - Robert T Martin
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, USA
| | - Osvaldo Gutierrez
- Department of Chemistry and Biochemistry, University of Maryland, College Park, MD, USA. .,Department of Chemistry, Texas A&M University, College Station, TX, USA.
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, Singapore, Republic of Singapore.
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15
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Li K, Yang C, Chen J, Pan C, Fan R, Zhou Y, Luo Y, Yang D, Fan B. Anion Controlled Stereodivergent Semi‐Hydrogenation of Alkynes using Water as Hydrogen Source. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202000716] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Kangkui Li
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Chunhui Yang
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Jingchao Chen
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Chunxiang Pan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Ruifeng Fan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Yongyun Zhou
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
| | - Yang Luo
- Chongqing Key Laboratory of Health Science in Traditional Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing 400065 P. R. China
| | - Dajian Yang
- Chongqing Key Laboratory of Health Science in Traditional Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing 400065 P. R. China
| | - Baomin Fan
- Key Laboratory of Chemistry in Ethnic Medicinal Resources State Ethnic Affairs Commission & Ministry of Education Yunnan Minzu University Kunming 650500 P. R. China
- Chongqing Key Laboratory of Health Science in Traditional Chinese Medicine Chongqing Academy of Chinese Materia Medica Chongqing 400065 P. R. China
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16
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Tambe SD, Iqbal N, Cho EJ. Nickel-Catalyzed trans-Carboamination across Internal Alkynes to Access Multifunctionalized Indoles. Org Lett 2020; 22:8550-8554. [PMID: 33104355 DOI: 10.1021/acs.orglett.0c03148] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A Ni-catalyzed reaction was developed for the synthesis of multifunctionalized indoles. The reaction proceeded through oxidative cyclization of the Ni(0)/P^N complex with an enyne system, 2-alkynyl anilinoacrylate, to provide a nickelacycle intermediate. The trans-carboamination around the internal alkyne was achieved by syn/anti-rotation of the Ni-carbenoid intermediate formed by C-N bond cleavage of the nickelacycle, and 3-alkenylated indoles were formed by C-N bond-forming reductive elimination. Notably, the synthesized indoles could be successfully transformed to functionalized carbazoles.
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Affiliation(s)
- Shrikant D Tambe
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Naeem Iqbal
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
| | - Eun Jin Cho
- Department of Chemistry, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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Corpas J, Mauleón P, Gómez Arrayás R, Carretero JC. anti-Hydroarylation of Activated Internal Alkynes: Merging Pd and Energy Transfer Catalysis. Org Lett 2020; 22:6473-6478. [PMID: 32806218 DOI: 10.1021/acs.orglett.0c02281] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
A general catalytic anti-hydroarylation of electron-deficient internal alkynes compatible with both electron-poor and electron-rich aryl reagents is reported. This selectivity is achieved through a sequential syn-carbopalladation of the alkyne by an Ar-Pd species, followed by a tandem, Ir-photocatalyzed, counter-thermodynamic E → Z isomerization. The use of ortho-substituted boronic acids enables direct access to pharmaceutically relevant heterocyclic cores via a cascade process. Mechanistic insight into the involvement of Ar-Pd versus Pd-H as an active species is provided.
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Affiliation(s)
- Javier Corpas
- Department of Organic Chemistry, Universidad Autónoma de Madrid, c/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain
| | - Pablo Mauleón
- Department of Organic Chemistry, Universidad Autónoma de Madrid, c/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madridc/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain
| | - Ramón Gómez Arrayás
- Department of Organic Chemistry, Universidad Autónoma de Madrid, c/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madridc/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain
| | - Juan C Carretero
- Department of Organic Chemistry, Universidad Autónoma de Madrid, c/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain.,Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madridc/Fco. Tomás y Valiente 7, Cantoblanco, 28049 Madrid, Spain
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Wilger DJ, Bottcher SE, Hutchinson LE. Nickel-Catalyzed anti-Selective Alkyne Functionalization Reactions. SYNTHESIS-STUTTGART 2020. [DOI: 10.1055/s-0040-1707885] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Nickel-catalyzed anti-selective alkyne functionalization reactions are reviewed with an emphasis on the mechanisms that lead to their observed stereoselectivity. Since the isomerization of alkenylnickel species plays a key role in a large number of these reactions, the potential mechanisms for these processes are also described in detail.1 Introduction2 anti-Selective Hydroarylation3 anti-Selective Carboborylation4 anti-Selective Dicarbofunctionalization4.1 Carbocyanative Cyclization4.2 Cyclization with Aryl Donors4.3 Cyclization with CO2
4.4 Intermolecular Dicarbofunctionalization5 anti-Selective Carbosulfonylation6 Alkenylnickel Isomerization7 Conclusions
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Affiliation(s)
- Dale J. Wilger
- Samford University, Department of Chemistry and Biochemistry
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Suslick BA, Tilley TD. Mechanistic Interrogation of Alkyne Hydroarylations Catalyzed by Highly Reduced, Single-Component Cobalt Complexes. J Am Chem Soc 2020; 142:11203-11218. [DOI: 10.1021/jacs.0c04072] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Benjamin A. Suslick
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - T. Don Tilley
- Department of Chemistry, University of California, Berkeley, California 94720, United States
- Chemical Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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