1
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Mondal P, Mandal N, Pal AK, Datta A. Computational Insights into Palladium-Catalyzed Site-Selective Anilide and Benzamide-Type [3+2] Annulation via Double C-H Bond Activation. J Org Chem 2024; 89:11371-11379. [PMID: 39072638 DOI: 10.1021/acs.joc.4c01049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
The mechanism of palladium-catalyzed annulation reactions of benzamide- and anilide-type aromatic systems with maleimides is investigated using density functional theory. Double C-H bond activation is key to forming the desired annulation product. The first C-H bond activation for anilide- and amide-type ligands can occur at the ortho and benzylic C-H bonds, while the second C-H activation occurs at the meta carbon of the aromatic rings. For the anilide-type system, ortho and benzylic C-H bond activations occur via four- and five-membered palladacycles, respectively. In contrast, for the benzamide-type system, ortho and benzylic C-H bond activations occur via five- and six-membered palladacycles, respectively. The energy span model suggests that the initial C-H bond activation step at the benzylic position determines the turnover frequency for both anilide- and benzamide-type systems. Energy decomposition analysis and distortion-interaction/activation-strain analyses are employed to understand the electronic and steric factors controlling the turnover frequency-determining transition state.
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Affiliation(s)
- Partha Mondal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur 700032, West Bengal, India
| | - Nilangshu Mandal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur 700032, West Bengal, India
| | - Arun K Pal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur 700032, West Bengal, India
| | - Ayan Datta
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Jadavpur 700032, West Bengal, India
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2
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Yamamoto K, Arita K, Kuriyama M, Onomura O. Transition-metal-catalyst-free electroreductive alkene hydroarylation with aryl halides under visible-light irradiation. Beilstein J Org Chem 2024; 20:1327-1333. [PMID: 38887578 PMCID: PMC11181238 DOI: 10.3762/bjoc.20.116] [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: 03/21/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
The radical hydroarylation of alkenes is an efficient strategy for accessing linear alkylarenes with high regioselectivity. Herein, we report the electroreductive hydroarylation of electron-deficient alkenes and styrene derivatives using (hetero)aryl halides under mild reaction conditions. Notably, the present hydroarylation proceeded with high efficiency under transition-metal-catalyst-free conditions. The key to success is the use of 1,3-dicyanobenzene as a redox mediator and visible-light irradiation, which effectively suppresses the formation of simple reduction, i.e., hydrodehalogenation, products to afford the desired products in good to high yields. Mechanistic investigations proposed that a reductive radical-polar crossover pathway is likely to be involved in this transformation.
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Affiliation(s)
- Kosuke Yamamoto
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Kazuhisa Arita
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Masami Kuriyama
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Osamu Onomura
- Graduate School of Biomedical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852-8521, Japan
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3
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Mao X, Li MM, Wang P, Cao Q, Zhou W, Ding W. Transition-Metal-Free Anti-Markovnikov Hydroarylation of Alkenes with Aryl Chlorides through Consecutive Photoinduced Electron Transfer. Org Lett 2024; 26:1265-1270. [PMID: 38319734 DOI: 10.1021/acs.orglett.4c00106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
The hydroarylation of alkenes has emerged as a powerful strategy for arene functionalization. However, aryl chlorides remain a large challenge in this type of reaction due to the chemical inertness of the C(sp2)-Cl bond and high negative reduction potential. Herein, we report an anti-Markovnikov radical hydroarylation of alkenes with aryl chlorides via visible-light photoredox catalysis. The key reactive aryl radicals can be efficiently achieved from aryl chlorides by consecutive photoinduced electron transfer. This transition-metal-free protocol features mild conditions, a wide substrate scope, and functional group tolerance, producing a diverse range of linear alkylarenes in moderate to good yields. The reaction is proposed to proceed through a radical-polar crossover pathway.
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Affiliation(s)
- Xudong Mao
- Division of Molecular Catalysis and Synthesis, Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Miao-Miao Li
- Division of Molecular Catalysis and Synthesis, Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Pengfei Wang
- Technology Center of China Tobacco Henan Industrial Co., Ltd, Zhengzhou 450000, P. R. China
| | - Qingzhi Cao
- Division of Molecular Catalysis and Synthesis, Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
| | - Wei Zhou
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, P. R. China
| | - Wei Ding
- Division of Molecular Catalysis and Synthesis, Henan Institute of Advanced Technology, Zhengzhou University, Zhengzhou 450001, P. R. China
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4
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Jing C, Mao W, Bower JF. Iridium-Catalyzed Enantioselective Alkene Hydroalkylation via a Heteroaryl-Directed Enolization-Decarboxylation Sequence. J Am Chem Soc 2023; 145:23918-23924. [PMID: 37879082 PMCID: PMC10636747 DOI: 10.1021/jacs.3c10163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 10/27/2023]
Abstract
Upon exposure to a cationic Ir(I)-complex modified with the chiral diphosphine DuanPhos, hydroalkylations of styrenes and α-olefins with diverse heteroaryl tert-butyl acetates occur with complete branched selectivity and very high enantioselectivity. The initial adducts undergo acid promoted decarboxylation in situ to provide alkylated heteroarenes possessing defined β-stereocenters. The processes are postulated to proceed via a stereodefined chiral Ir-enolate, which arises upon heteroarene directed enolization of the heteroaryl acetate precursor. The method can be classified as an enantioselective decarboxylative C(sp3)-C(sp3) cross-coupling.
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Affiliation(s)
- Changcheng Jing
- Department of Chemistry, University
of Liverpool, Crown Street, Liverpool L69 7ZD, United
Kingdom
| | - Wenbin Mao
- Department of Chemistry, University
of Liverpool, Crown Street, Liverpool L69 7ZD, United
Kingdom
| | - John F. Bower
- Department of Chemistry, University
of Liverpool, Crown Street, Liverpool L69 7ZD, United
Kingdom
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5
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Chen K, Zhu H, Liu S, Bai J, Guo Y, Ding K, Peng Q, Wang X. Switch in Selectivities by Dinuclear Nickel Catalysis: 1,4-Hydroarylation of 1,3-Dienes to Z-Olefins. J Am Chem Soc 2023. [PMID: 37903244 DOI: 10.1021/jacs.3c09283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
Abstract
One of the most challenging tasks in organic synthesis is to control selectivities, especially switching the well-known selectivity to obtain new isomers that were previously inaccessible. Inspired by biological catalysis involving multiple metal centers, catalysis enabled by binuclear metal complexes offers the potential to induce reactivity and selectivity that might not be available to mononuclear catalysts. Herein, we describe that using a macrocyclic bis pyridyl diimine dinickel complex as the catalyst, the commonly observed 4,3-regioselectivity of hydroarylation of 1,3-dienes is switched to 1,4-hydroarylation with thermodynamically less stable Z-stereoselectivity, offering challenging synthetic target Z-olefins. DFT calculations show that the activation of 1,3-diene proceeds through dinuclear Ni-diolefin coordination, and the synergistic effects of two Ni nuclei enable reactivity and selectivity of this binuclear catalysis substantially different from those of mononuclear nickel complexes in the current reaction.
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Affiliation(s)
- Ke Chen
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- State Key Laboratory of Organometallic 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, China
| | - Hongdan Zhu
- State Key Laboratory of Elemento-Organic Chemistry and Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Shuang Liu
- State Key Laboratory of Organometallic 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, China
| | - Jiahui Bai
- State Key Laboratory of Organometallic 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, China
| | - Yinlong Guo
- State Key Laboratory of Organometallic 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, China
| | - Kuiling Ding
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- State Key Laboratory of Organometallic 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, China
| | - Qian Peng
- State Key Laboratory of Elemento-Organic Chemistry and Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Xiaoming Wang
- State Key Laboratory of Organometallic 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, China
- School of Chemistry and Materials Science, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, 1 Sub-lane Xiangshan, Hangzhou 310024, China
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6
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Zhao W, Li BJ. Directing Group Repositioning Strategy Enabled Site- and Enantioselective Addition of Heteroaromatic C-H Bonds to Acyclic Internal Alkenes. J Am Chem Soc 2023; 145:6861-6870. [PMID: 36917558 DOI: 10.1021/jacs.3c00095] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
Despite the notable advances achieved in the Murai-type hydroarylations, highly enantioselective catalytic addition of native (hetero)arenes to internal alkenes remains a prominent challenge. Herein, we report a directing group repositioning strategy, which enables the iridium-catalyzed enantioselective addition of heteroarenes including furan, benzofuran, and thiophene to internal enamides. The C-H bond at the C2 position of the heteroarene is site-selectively cleaved and added regioselectively to the β-position of an enamide, affording a valuable β-heteroaryl amide with high enantioselectivity. Mechanistic studies indicate that the rate and the enantioselectivity are determined by separate elementary steps.
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Affiliation(s)
- Wei Zhao
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Bi-Jie Li
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin 300071, China
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7
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Lu MZ, Goh J, Maraswami M, Jia Z, Tian JS, Loh TP. Recent Advances in Alkenyl sp 2 C-H and C-F Bond Functionalizations: Scope, Mechanism, and Applications. Chem Rev 2022; 122:17479-17646. [PMID: 36240299 DOI: 10.1021/acs.chemrev.2c00032] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Alkenes and their derivatives are featured widely in a variety of natural products, pharmaceuticals, and advanced materials. Significant efforts have been made toward the development of new and practical methods to access this important class of compounds by selectively activating the alkenyl C(sp2)-H bonds in recent years. In this comprehensive review, we describe the state-of-the-art strategies for the direct functionalization of alkenyl sp2 C-H and C-F bonds until June 2022. Moreover, metal-free, photoredox, and electrochemical strategies are also covered. For clarity, this review has been divided into two parts; the first part focuses on currently available alkenyl sp2 C-H functionalization methods using different alkene derivatives as the starting materials, and the second part describes the alkenyl sp2 C-F bond functionalization using easily accessible gem-difluoroalkenes as the starting material. This review includes the scope, limitations, mechanistic studies, stereoselective control (using directing groups as well as metal-migration strategies), and their applications to complex molecule synthesis where appropriate. Overall, this comprehensive review aims to document the considerable advancements, current status, and emerging work by critically summarizing the contributions of researchers working in this fascinating area and is expected to stimulate novel, innovative, and broadly applicable strategies for alkenyl sp2 C-H and C-F bond functionalizations in the coming years.
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Affiliation(s)
- Ming-Zhu Lu
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China.,School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Jeffrey Goh
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Manikantha Maraswami
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
| | - Zhenhua Jia
- Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Jie-Sheng Tian
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, China
| | - Teck-Peng Loh
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhengzhou 450001, China.,School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore.,Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, China
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8
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Liu CF, Wang ZC, Luo X, Lu J, Ko CHM, Shi SL, Koh MJ. Synthesis of tri- and tetrasubstituted stereocentres by nickel-catalysed enantioselective olefin cross-couplings. Nat Catal 2022. [DOI: 10.1038/s41929-022-00854-8] [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]
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9
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Sun X, Lin EZ, Li BJ. Iridium-Catalyzed Branch-Selective and Enantioselective Hydroalkenylation of α-Olefins through C-H Cleavage of Enamides. J Am Chem Soc 2022; 144:17351-17358. [PMID: 36121772 DOI: 10.1021/jacs.2c07477] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Catalytic branch-selective hydrofunctionalization of feedstock α-olefins to form enantioenriched chiral compounds is a particularly attractive yet challenging transformation in asymmetric catalysis. Herein we report an iridium-catalyzed asymmetric hydroalkenylation of α-olefins through directed C-H cleavage of enamides. This atom-economical addition process is highly branch-selective and enantioselective, delivering trisubstituted alkenes with an allylic stereocenter. DFT calculations reveal the origin of regio- and enantioselectivity.
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Affiliation(s)
- Xin Sun
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - En-Ze Lin
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Bi-Jie Li
- Center of Basic Molecular Science (CBMS), Department of Chemistry, Tsinghua University, Beijing 100084, China.,Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
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10
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Xiong M, Shu Y, Tang J, Yang F, Xing D. Iridium(I)-Catalyzed Isoindolinone-Directed Branched-Selective Aromatic C-H Alkylation with Simple Alkenes. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27061923. [PMID: 35335286 PMCID: PMC8954050 DOI: 10.3390/molecules27061923] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 03/05/2022] [Accepted: 03/10/2022] [Indexed: 12/18/2022]
Abstract
We report an iridium(I)-catalyzed branched-selective C–H alkylation of N-arylisoindolinones with simple alkenes as the alkylating agents. The amide carbonyl group of the isoindolinone motif acts as the directing group to assist the ortho C–H activation of the N-aryl ring. With this atom-economic and highly branched-selective protocol, an array of biologically relevant N-arylisoindolinones were obtained in good yields. Asymmetric control was achieved with up to 87:13 er when a BiPhePhos-like chiral ligand was employed.
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11
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He Q, Yamazaki K, Ano Y, Chatani N. Palladium-Catalyzed Site-Selective [5 + 1] Annulation of Aromatic Amides with Alkenes: Acceleration of β-Hydride Elimination by Maleic Anhydride from Palladacycle. ACS Catal 2022. [DOI: 10.1021/acscatal.1c05675] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Qiyuan He
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Ken Yamazaki
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Yusuke Ano
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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12
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Cooper P, Dalling AG, Farrar EHE, Aldhous TP, Grélaud S, Lester E, Feron LJ, Kemmitt PD, Grayson MN, Bower JF. Atom and step economical synthesis of acyclic quaternary centers via iridium-catalyzed hydroarylative cross-coupling of 1,1-disubstituted alkenes. Chem Sci 2022; 13:11183-11189. [PMID: 36320466 PMCID: PMC9516889 DOI: 10.1039/d2sc02790a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 09/01/2022] [Indexed: 11/21/2022] Open
Abstract
Quaternary benzylic centers are accessed with high atom and step economy by intermolecular Ir-catalyzed hydroarylation of non-polarized 1,1-disubstituted alkenes.
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Affiliation(s)
- Phillippa Cooper
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK
| | | | | | - Timothy P. Aldhous
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK
| | - Simon Grélaud
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK
| | - Eleanor Lester
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, UK
| | - Lyman J. Feron
- Medicinal Chemistry, Oncology, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | - Paul D. Kemmitt
- Medicinal Chemistry, Oncology, IMED Biotech Unit, AstraZeneca, Cambridge, UK
| | | | - John F. Bower
- Department of Chemistry, University of Liverpool, Crown Street, Liverpool, L69 7ZD, UK
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13
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Yamazaki K, Rej S, Ano Y, Chatani N. An Unusual Perpendicular Metallacycle Intermediate is the Origin of Branch Selectivity in the Rh(II)-Catalyzed C–H Alkylation of Aryl Sulfonamides with Vinylsilanes. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Ken Yamazaki
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - Supriya Rej
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - Yusuke Ano
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita 565-0871, Osaka, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita 565-0871, Osaka, Japan
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14
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Liu YH, Xie PP, Liu L, Fan J, Zhang ZZ, Hong X, Shi BF. Cp*Co(III)-Catalyzed Enantioselective Hydroarylation of Unactivated Terminal Alkenes via C-H Activation. J Am Chem Soc 2021; 143:19112-19120. [PMID: 34747617 DOI: 10.1021/jacs.1c08562] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Enantioselective hydroarylation of unactivated terminal akenes constitutes a prominent challenge in organic chemistry. Herein, we reported a Cp*Co(III)-catalyzed asymmetric hydroarylation of unactivated aliphatic terminal alkenes assisted by a new type of tailor-made amino acid ligands. Critical to the chiral induction was the engaging of a novel noncovalent interaction (NCI), which has seldomly been disclosed in the C-H activation area, arising from the molecular recognition among the organocobalt(III) intermediate, the coordinated alkene, and the well-designed chiral ligand. A broad range of C2-alkylated indoles were obtained in high yields and excellent enantioselectivities. DFT calculations revealed the reaction mechanism and elucidated the origins of chiral induction in the stereodetermining alkene insertion step.
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Affiliation(s)
- Yan-Hua Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Pei-Pei Xie
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Lei Liu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Jun Fan
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Zhuo-Zhuo Zhang
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Xin Hong
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China.,State Key Laboratory of Clean Energy Utilization, Zhejiang University, Zheda Road 38, Hangzhou 310027, China
| | - Bing-Feng Shi
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China.,Green Catalysis Center, College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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15
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Arribas A, Calvelo M, Fernández DF, Rodrigues CAB, Mascareñas JL, López F. Highly Enantioselective Iridium(I)‐Catalyzed Hydrocarbonation of Alkenes: A Versatile Approach to Heterocyclic Systems Bearing Quaternary Stereocenters. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105776] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Andrés Arribas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Martín Calvelo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - David F. Fernández
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Catarina A. B. Rodrigues
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - José L. Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química Orgánica Universidade de Santiago de Compostela 15782 Santiago de Compostela Spain
- Misión Biológica de Galicia Consejo Superior de Investigaciones Científicas (CSIC) 36080 Pontevedra Spain
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16
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Arribas A, Calvelo M, Fernández DF, Rodrigues CAB, Mascareñas JL, López F. Highly Enantioselective Iridium(I)-Catalyzed Hydrocarbonation of Alkenes: A Versatile Approach to Heterocyclic Systems Bearing Quaternary Stereocenters. Angew Chem Int Ed Engl 2021; 60:19297-19305. [PMID: 34137152 PMCID: PMC8456945 DOI: 10.1002/anie.202105776] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 06/10/2021] [Indexed: 12/29/2022]
Abstract
We report a versatile, highly enantioselective intramolecular hydrocarbonation reaction that provides a direct access to heteropolycyclic systems bearing chiral quaternary carbon stereocenters. The method, which relies on an iridium(I)/bisphosphine chiral catalyst, is particularly efficient for the synthesis of five-, six- and seven-membered fused indole and pyrrole products, bearing one and two stereocenters, with enantiomeric excesses of up to >99 %. DFT computational studies allowed to obtain a detailed mechanistic profile and identify a cluster of weak non-covalent interactions as key factors to control the enantioselectivity.
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Affiliation(s)
- Andrés Arribas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Martín Calvelo
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - David F. Fernández
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Catarina A. B. Rodrigues
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - José L. Mascareñas
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
| | - Fernando López
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CiQUS) and Departamento de Química OrgánicaUniversidade de Santiago de Compostela15782Santiago de CompostelaSpain
- Misión Biológica de GaliciaConsejo Superior de Investigaciones Científicas (CSIC)36080PontevedraSpain
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17
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Wang J, Chen H, Kong L, Wang F, Lan Y, Li X. Enantioselective and Diastereoselective C–H Alkylation of Benzamides: Synergized Axial and Central Chirality via a Single Stereodetermining Step. ACS Catal 2021. [DOI: 10.1021/acscatal.1c02450] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Jinlei Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Haohua Chen
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, China
| | - Lingheng Kong
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Fen Wang
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
| | - Yu Lan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400030, China
| | - Xingwei Li
- School of Chemistry and Chemical Engineering, Shaanxi Normal University (SNNU), Xi’an 710062, China
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18
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Liu CF, Luo X, Wang H, Koh MJ. Catalytic Regioselective Olefin Hydroarylation(alkenylation) by Sequential Carbonickelation-Hydride Transfer. J Am Chem Soc 2021; 143:9498-9506. [PMID: 34152130 DOI: 10.1021/jacs.1c03228] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Alkene hydrocarbofunctionalization represents one of the most important classes of chemical transformations, but related branched-selective examples with unactivated olefins are scarce. Here, we report that catalytic amounts of a dimeric Ni(I) complex and an exogenous alkoxide base promote Markovnikov-selective hydroarylation(alkenylation) of unactivated and activated olefins using organo bromides or triflates derived from widely available phenols and ketones. Products bearing aryl- and alkenyl-substituted tertiary and quaternary centers could be isolated in up to 95% yield and >99:1 regioisomeric ratios. Contrary to previous dual-catalytic methods that rely on metal-hydride atom transfer (MHAT) to the olefin prior to carbofunctionalization with a cocatalyst, our mechanistic evidence points toward a nonradical reaction pathway that begins with site-selective carbonickelation across the C═C bond followed by hydride transfer using alkoxide as the hydride source. Utility of the single-catalyst protocol is highlighted through the synthesis of medicinally relevant scaffolds.
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Affiliation(s)
- Chen-Fei Liu
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
| | - Xiaohua Luo
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore.,Joint School of National University of Singapore and Tianjin University, International Campus of Tianjin University, Binhai New City, Fuzhou 350207, China
| | - Hongyu Wang
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
| | - Ming Joo Koh
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Republic of Singapore
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19
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Nishimura T. Iridium-Catalyzed Hydroarylation via C-H Bond Activation. CHEM REC 2021; 21:3532-3545. [PMID: 34101981 DOI: 10.1002/tcr.202100109] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 05/15/2021] [Indexed: 01/02/2023]
Abstract
Hydroarylation reactions via C-H activation, which compensate for shortcomings of classical methods based on the Friedel-Crafts reaction, is one of the most attractive methods to synthesize substituted arenes. This Personal Account reviews our recent studies on iridium-catalyzed intermolecular hydroarylation of vinyl ethers, alkynes, bicycloalkenes, and 1,3-dienes, and intramolecular hydroarylation of m-allyloxyphenyl ketones, where asymmetric addition reactions are included. A cationic iridium catalyst, which is generated from chloroiridium [IrCl] and NaBArF 4 [ArF =3,5-(CF3 )2 C6 H3 ], or a hydroxoiridium [Ir(OH)] complex is effective in catalyzing the hydroarylation depending on the substrates. 1,5-Cyclooctadiene (cod), chiral dienes, and conventional bisphosphines function as ligands controlling the high reactivity and selectivity of the catalysts in the hydroarylation. H/D exchange reaction of alkenes by use of a key intermediate of the hydroarylation reaction is also described.
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Affiliation(s)
- Takahiro Nishimura
- Department of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi, Osaka, 558-8585, Japan
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20
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Das A, Chatani N. Rh(II)-Catalyzed C-H Alkylation of Benzylamines with Unactivated Alkenes: The Influence of Acid on Linear and Branch Selectivity. Org Lett 2021; 23:4273-4278. [PMID: 33988384 DOI: 10.1021/acs.orglett.1c01224] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The Rh-catalyzed C-H alkylation of benzylamine derivatives with unactivated 1-alkenes that proceeds via a picolinamide directing group is reported. The crucial role of an acid additive in this transformation is confirmed. Aromatic acids showed high linear selectivity, and aliphatic acids provided branched alkylation products as the major product. The reaction has a broad scope for benzylamines and alkenes. Deuterium labeling experiments suggest that a Rh-carbene intermediate is involved in the case of linear product formation. A different reaction pathway, however, appears to be involved in the case of branched alkylation products, and this pathway also appeared to be a minor pathway in linear-selective reactions.
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Affiliation(s)
- Amrita Das
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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21
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Tran HN, Burgett RW, Stanley LM. Nickel-Catalyzed Asymmetric Hydroarylation of Vinylarenes: Direct Enantioselective Synthesis of Chiral 1,1-Diarylethanes. J Org Chem 2021; 86:3836-3849. [PMID: 33576628 DOI: 10.1021/acs.joc.0c02556] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The enantioselective hydroarylation of vinylarenes catalyzed by a chiral, non-racemic nickel catalyst is presented as a facile method to generate chiral 1,1-diarylethanes. These reactions proceed via formation of a chiral, non-racemic nickel benzyl intermediate. Transmetalation with arylboron nucleophiles and subsequent reductive elimination enable the formation of a variety of chiral 1,1-diarylethanes. The 1,1-diarylethane products from reactions of arylboronic acids containing electron-donating substituents are formed with typically greater than 90% ee, while the 1,1-diarylethanes generated from reactions of arylboronic acids containing electron-withdrawing groups are generated with typically less than 80% ee. These results are consistent with the rate of transmetalation with an arylboron nucleophile playing a key role in the enantioselectivity of these hydroarylation reactions. This mechanistic insight has led to the development of reactions of neo-pentylglycolate esters of arylboronic acids with vinylarenes that occur with higher enantioselectivities based on increased rates of transmetalation.
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Affiliation(s)
- Hai N Tran
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Russell W Burgett
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
| | - Levi M Stanley
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
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22
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Li H, Liu Y, Chiba S. Anti-Markovnikov hydroarylation of alkenes via polysulfide anion photocatalysis. Chem Commun (Camb) 2021; 57:6264-6267. [PMID: 34075955 DOI: 10.1039/d1cc02185k] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A protocol for anti-Markovnikov hydroarylation of alkenes with aryl halides has been developed using polysulfide anions as photocatalysts in the presence of the Hantzsch ester and water under irradiation with visible light.
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Affiliation(s)
- Haoyu Li
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore.
| | - Yuliang Liu
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore.
| | - Shunsuke Chiba
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore.
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23
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Abstract
The mechanism of nickel-catalyzed hydroarylation of styrenes has been explored with density functional theory. Instead of the stepwise pathway via a Ni(II)-H species, computational results unveil that the concerted RO-H oxidative addition/olefin insertion takes place kinetically favorable to generate the alkylnickel(II) species, which further undergoes transmetalation and reductive elimination to yield the hydroarylated product. The origins of regio- and stereoselectivity were revealed via analyzing the electronic and steric effects of the key transition states.
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Affiliation(s)
- Qi Cheng
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
| | - Yanfeng Dang
- Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Department of Chemistry, Tianjin University, Tianjin 300072, China
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24
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He YT, Mao YJ, Hao HY, Xu ZY, Lou SJ, Xu DQ. Cu-Catalyzed Regioselective C-H Alkylation of Benzimidazoles with Aromatic Alkenes. Org Lett 2020; 22:8250-8255. [PMID: 33075228 DOI: 10.1021/acs.orglett.0c02864] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Herein we report a novel Cu-catalyzed regioselective C2-H alkylation of benzimidazoles with aromatic alkenes. The reaction features exclusive regioselectivity and broad substrate scope in the intermolecular alkylation of benzimidazoles with terminal and internal aromatic alkenes, constituting a modular access toward benzimidazole-containing 1,1-di(hetero)aryl alkanes. The intramolecular C2-H alkylation of benzimidazoles with aromatic alkenes has been achieved in an endo-selective manner. The enantioselective C2 alkylation of benzimidazoles has also been realized with moderate to good stereocontrol.
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Affiliation(s)
- Yu-Ting He
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Yang-Jie Mao
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Hong-Yan Hao
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Zhen-Yuan Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Shao-Jie Lou
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Dan-Qian Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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25
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Li Z, Fu Y, Deng R, Tran VT, Gao Y, Liu P, Engle KM. Ligand‐Controlled Regiodivergence in Nickel‐Catalyzed Hydroarylation and Hydroalkenylation of Alkenyl Carboxylic Acids**. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010840] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zi‐Qi Li
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Yue Fu
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Ruohan Deng
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Van T. Tran
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Yang Gao
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Keary M. Engle
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
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26
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Li Z, Fu Y, Deng R, Tran VT, Gao Y, Liu P, Engle KM. Ligand‐Controlled Regiodivergence in Nickel‐Catalyzed Hydroarylation and Hydroalkenylation of Alkenyl Carboxylic Acids**. Angew Chem Int Ed Engl 2020; 59:23306-23312. [DOI: 10.1002/anie.202010840] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Indexed: 12/21/2022]
Affiliation(s)
- Zi‐Qi Li
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Yue Fu
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Ruohan Deng
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Van T. Tran
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Yang Gao
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh Pennsylvania 15260 USA
| | - Keary M. Engle
- Department of Chemistry Scripps Research 10550 North Torrey Pines Road La Jolla California 92037 USA
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27
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Fernández DF, Mascareñas JL, López F. Catalytic addition of C-H bonds across C-C unsaturated systems promoted by iridium(i) and its group IX congeners. Chem Soc Rev 2020; 49:7378-7405. [PMID: 32926061 DOI: 10.1039/d0cs00359j] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Transition metal-catalyzed hydrocarbonations of unsaturated substrates have emerged as powerful synthetic tools for increasing molecular complexity in an atom-economical manner. Although this field was traditionally dominated by low valent rhodium and ruthenium catalysts, in recent years, there have been many reports based on the use of iridium complexes. In many cases, these reactions have a different course from those of their rhodium homologs, and even allow performing otherwise inviable transformations. In this review we aim to provide an informative journey, from the early pioneering examples in the field, most of them based on other metals than iridium, to the most recent transformations catalyzed by designed Ir(i) complexes. The review is organized by the type of C-H bond that is activated (with C sp2, sp or sp3), as well as by the C-C unsaturated partner that is used as a hydrocarbonation partner (alkyne, allene or alkene). Importantly, we discuss the mechanistic foundations of the methods highlighting the differences from those previously proposed for processes catalyzed by related metals, particularly those of the same group (Co and Rh).
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Affiliation(s)
- David F Fernández
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química Orgánica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain.
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28
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Vasquez AM, Gurak JA, Joe CL, Cherney EC, Engle KM. Catalytic α-Hydroarylation of Acrylates and Acrylamides via an Interrupted Hydrodehalogenation Reaction. J Am Chem Soc 2020; 142:10477-10484. [PMID: 32379433 PMCID: PMC7293711 DOI: 10.1021/jacs.0c03040] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
The palladium-catalyzed, α-selective hydroarylation of acrylates and acrylamides is reported. Under optimized conditions, this method is highly tolerant of a wide range of substrates including those with base sensitive functional groups and/or multiple enolizable carbonyl groups. A detailed mechanistic study was undertaken, and the high selectivity of this transformation was shown to be enabled by the formation of a [PdII(Ar)(H)] intermediate, which performs selective hydride insertion into the β-position of α,β-unsaturated carbonyl compounds.
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Affiliation(s)
- Alena M. Vasquez
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - John A. Gurak
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Candice L. Joe
- Chemistry Development, Bristol-Myers Squibb, 1 Squibb Drive, New Brunswick, New Jersey 08903, United States
| | - Emily C. Cherney
- Discovery Chemistry, Bristol Myers Squibb, US Rt. 206 & Province Line Road, Princeton, New Jersey 08540, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
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29
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Dhawa U, Tian C, Li W, Ackermann L. Cobalta-Electrocatalyzed C–H Allylation with Unactivated Alkenes. ACS Catal 2020. [DOI: 10.1021/acscatal.0c01436] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Cong Tian
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Weizhao Li
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie, Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
- Wöhler Research Institute for Sustainable Chemistry (WISCh), Georg-August-Universität Göttingen, Tammannstraße 2, 37077 Göttingen, Germany
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30
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Rej S, Chatani N. Rh(ii)-catalyzed branch-selective C-H alkylation of aryl sulfonamides with vinylsilanes. Chem Sci 2020; 11:389-395. [PMID: 32206270 PMCID: PMC7069504 DOI: 10.1039/c9sc04308j] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 11/09/2019] [Indexed: 01/17/2023] Open
Abstract
Rhodium(ii)-catalyzed unusual branch-selective ortho-C-H alkylation of aryl sulfonamides with vinylsilanes was achieved using an 8-aminoquinoline directing group. Notably, the para-substituted aryl sulfonamides gave mono-(branched)alkylated products exclusively without the formation of any double C-H alkylated byproducts. The results of deuterium labeling experiments suggest that both hydrometalation and carbometalation pathways are involved in this conversion.
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Affiliation(s)
- Supriya Rej
- Department of Applied Chemistry , Faculty of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan .
| | - Naoto Chatani
- Department of Applied Chemistry , Faculty of Engineering , Osaka University , Suita , Osaka 565-0871 , Japan .
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31
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Lv H, Kang H, Zhou B, Xue X, Engle KM, Zhao D. Nickel-catalyzed intermolecular oxidative Heck arylation driven by transfer hydrogenation. Nat Commun 2019; 10:5025. [PMID: 31690717 PMCID: PMC6831602 DOI: 10.1038/s41467-019-12949-1] [Citation(s) in RCA: 60] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 10/09/2019] [Indexed: 11/17/2022] Open
Abstract
The conventional oxidative Heck reaction between aryl boronic acids and alkenes typically involved the PdII/Pd0/PdII catalytic cycle incorporating an external oxidant and often suffered C=C bond isomerization for internal alkyl-substituted alkenes via chain-walking. Herein, we demonstrate that the regioselectivity (γ-selectivity vs. δ-selectivity) and pathway selectivity (hydroarylation vs. oxidative Heck coupling) of a directed Ni-catalyzed alkene arylation can be controlled by judicious tuning of the coordination environment around the nickel catalyst via optimization of an appropriate phosphine ligand and directing group. In this way, the Ni(0)-catalyzed oxidative Heck arylation that relies on transfer hydrogenation of an acceptor olefin is developed with excellent E/Z selectivity and regioselectivity. Mechanistic investigations suggest that the addition of the acceptor is crucial for lowering the energy for carbometalation and for enabling catalytic turnover.
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Affiliation(s)
- Honggui Lv
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Huiying Kang
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Biying Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xiaosong Xue
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA, 92037, USA.
| | - Dongbing Zhao
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin, 300071, China.
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32
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Zhang X, Gao Y, Chen J, Fan R, Shi G, He Z, Fan B. Rh(III)‐Catalyzed Ring‐Opening Addition of Azabenzonorbornadienes with Cyclic
N
‐Sulfonyl Ketimines
via
C−H Bond Activation. Adv Synth Catal 2019. [DOI: 10.1002/adsc.201900622] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Xuexin Zhang
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Yang Gao
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Jingchao Chen
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Ruifeng Fan
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yuehua Street Kunming 650500 People's Republic of China
| | - Guangrui Shi
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Zhenxiu He
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
| | - Baomin Fan
- YMU-HKBU Joint Laboratory of Traditional Natural MedicineYunnan Minzu University, Yuehua Street Kunming 650500 People's Republic of China
- Key Laboratory of Chemistry in Ethnic Medicinal ResourcesYunnan Minzu University Yuehua Street Kunming 650500 People's Republic of China
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33
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Ren Q, An S, Wang Y, Tong W. Density Functional Theory Study of the Mechanisms of Iron‐Catalyzed Regioselective Anti‐Markovnikov Addition of C‐H Bonds in Aromatic Ketones to Alkenes. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.5183] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Qinghua Ren
- Department of ChemistryShanghai University 99 Shangda Road Shanghai 200444 China
| | - Shanshan An
- Department of ChemistryShanghai University 99 Shangda Road Shanghai 200444 China
| | - Yuling Wang
- Department of ChemistryShanghai University 99 Shangda Road Shanghai 200444 China
| | - Weiqi Tong
- Department of ChemistryShanghai University 99 Shangda Road Shanghai 200444 China
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34
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Loup J, Dhawa U, Pesciaioli F, Wencel‐Delord J, Ackermann L. Enantioselective C−H Activation with Earth‐Abundant 3d Transition Metals. Angew Chem Int Ed Engl 2019; 58:12803-12818. [DOI: 10.1002/anie.201904214] [Citation(s) in RCA: 227] [Impact Index Per Article: 45.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Joachim Loup
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Fabio Pesciaioli
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
| | - Joanna Wencel‐Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace, ECPM 25 Rue Becquerel 67087 Strasbourg France
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstrasse 2 37077 Göttingen Germany
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35
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Loup J, Dhawa U, Pesciaioli F, Wencel‐Delord J, Ackermann L. Enantioselektive C‐H‐Aktivierung mit natürlich vorkommenden 3d‐Übergangsmetallen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904214] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Joachim Loup
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Fabio Pesciaioli
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
| | - Joanna Wencel‐Delord
- Laboratoire d'Innovation Moléculaire et Applications (UMR CNRS 7042) Université de Strasbourg/Université de Haute Alsace, ECPM 25 Rue Becquerel 67087 Strasbourg Frankreich
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare Chemie Georg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Deutschland
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36
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Beyond Friedel and Crafts: Directed Alkylation of C−H Bonds in Arenes. Angew Chem Int Ed Engl 2019; 58:7202-7236. [DOI: 10.1002/anie.201806629] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/13/2018] [Indexed: 11/07/2022]
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37
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Yamaguchi T, Natsui S, Shibata K, Yamazaki K, Rej S, Ano Y, Chatani N. Rhodium-Catalyzed Alkylation of C-H Bonds in Aromatic Amides with Non-activated 1-Alkenes: The Possible Generation of Carbene Intermediates from Alkenes. Chemistry 2019; 25:6915-6919. [PMID: 30900353 DOI: 10.1002/chem.201901300] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Indexed: 12/31/2022]
Abstract
The alkylation of C-H bonds (hydroarylation) in aromatic amides with non-activated 1-alkenes using a rhodium catalyst and assisted by an 8-aminoquinoline directing group is reported. The addition of a carboxylic acid is crucial for the success of this reaction. The results of deuterium-labeling experiments indicate that one of deuterium atoms in the alkene is missing, suggesting that the reaction does not proceed through the commonly accepted mechanism for C-H alkylation reactions. Instead the reaction is proposed to proceed through a carbene mechanism. The carbene mechanism is also supported by preliminary DFT calculations.
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Affiliation(s)
- Takuma Yamaguchi
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Satoko Natsui
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Kaname Shibata
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Ken Yamazaki
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Supriya Rej
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Yusuke Ano
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka, 565-0871, Japan
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38
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Srinivas K, Siddiqui SK, Mudaliar JK, Ramana CV. Ru(II)-Catalyzed C–H Activation/Alkylation of 3-Formylbenzofurans with Conjugated Olefins: Product Divergence. J Org Chem 2019; 84:5056-5066. [DOI: 10.1021/acs.joc.8b03267] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kolluru Srinivas
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Shaziyaparveen K. Siddiqui
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Jyothi K. Mudaliar
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Chepuri V. Ramana
- Division of Organic Chemistry, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
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39
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Xing D, Qi X, Marchant D, Liu P, Dong G. Branched‐Selective Direct α‐Alkylation of Cyclic Ketones with Simple Alkenes. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201900301] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Dong Xing
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development School of Chemistry and Molecular Engineering East China Normal University Shanghai 200062 China
| | - Xiaotian Qi
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Daniel Marchant
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Peng Liu
- Department of Chemistry University of Pittsburgh Pittsburgh PA 15260 USA
| | - Guangbin Dong
- Department of Chemistry University of Chicago Chicago IL 60637 USA
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40
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Xing D, Qi X, Marchant D, Liu P, Dong G. Branched-Selective Direct α-Alkylation of Cyclic Ketones with Simple Alkenes. Angew Chem Int Ed Engl 2019; 58:4366-4370. [PMID: 30707491 DOI: 10.1002/anie.201900301] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Indexed: 01/29/2023]
Abstract
Herein, we describe an intermolecular direct branched-selective α-alkylation of cyclic ketones with simple alkenes as the alkylation agents. Through an enamine-transition metal cooperative catalysis mode, the α-alkylation is realized in an atom- and step-economic manner with excellent branched selectivity for preparing β-branched ketones. Employment of a pair of bulky Brønsted acid and base as additives is responsible for enhanced efficiency. Promising enantioselectivity (74 % ee) has been obtained. Experimental and computational mechanistic studies suggest that a pathway through alkene migratory insertion into the Ir-C bond followed by C-H reductive elimination is involved for the high branched selectivity.
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Affiliation(s)
- Dong Xing
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, China
| | - Xiaotian Qi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Daniel Marchant
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA, 15260, USA
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, IL, 60637, USA
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41
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Chen YG, Shuai B, Xu XT, Li YQ, Yang QL, Qiu H, Zhang K, Fang P, Mei TS. Nickel-catalyzed Enantioselective Hydroarylation and Hydroalkenylation of Styrenes. J Am Chem Soc 2019; 141:3395-3399. [PMID: 30741543 DOI: 10.1021/jacs.8b13524] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
We have developed a Ni-catalyzed enantioselective hydroarylation of styrenes with arylboronic acids using MeOH as the hydrogen source, providing an efficient method to access 1,1-diarylalkanes, which are essential structural units in many biologically active compounds. In addition, Ni-catalyzed enantioselective hydrovinylation of styrenes with vinylboronic acids is also realized with good yields and enantioselectivities. The synthetic utility was demonstrated by the efficient synthesis of ( R)-(-)-ibuprofen.
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Affiliation(s)
- Yue-Gang Chen
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Bin Shuai
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Xue-Tao Xu
- School of Biotechnology and Health Sciences , Wuyi University , Jiangmen 529020 , China
| | - Yi-Qian Li
- School of Biotechnology and Health Sciences , Wuyi University , Jiangmen 529020 , China
| | - Qi-Liang Yang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Hui Qiu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Kun Zhang
- School of Biotechnology and Health Sciences , Wuyi University , Jiangmen 529020 , China
| | - Ping Fang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Tian-Sheng Mei
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
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42
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Evano G, Theunissen C. Jenseits von Friedel und Crafts: dirigierte Alkylierung von C‐H‐Bindungen in Arenen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201806629] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Gwilherm Evano
- Laboratoire de Chimie OrganiqueService de Chimie et Physico-Chimie OrganiquesUniversité libre de Bruxelles (ULB) Avenue F.D. Roosevelt 50, CP160/06 1050 Brüssel Belgien
| | - Cédric Theunissen
- Laboratoire de Chimie OrganiqueService de Chimie et Physico-Chimie OrganiquesUniversité libre de Bruxelles (ULB) Avenue F.D. Roosevelt 50, CP160/06 1050 Brüssel Belgien
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43
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Sakamoto K, Nagai M, Ebe Y, Yorimitsu H, Nishimura T. Iridium-Catalyzed Direct Hydroarylation of Glycals via C–H Activation: Ligand-Controlled Stereoselective Synthesis of α- and β-C-Glycosyl Arenes. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04686] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kana Sakamoto
- Department of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi, Osaka 558-8585, Japan
| | - Masaki Nagai
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Yusuke Ebe
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Hideki Yorimitsu
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo, Kyoto 606-8502, Japan
| | - Takahiro Nishimura
- Department of Chemistry, Graduate School of Science, Osaka City University, Sumiyoshi, Osaka 558-8585, Japan
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44
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Zheng J, Hosseini-Eshbala F, Dong YX, Breit B. Palladium-catalyzed trisallylation of benzoxazoles and 2-aryl-1,3,4-oxadiazoles with alkyne. Chem Commun (Camb) 2019; 55:624-627. [DOI: 10.1039/c8cc09165j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this report, a palladium catalyzed direct trisallylation of azoles with alkyne via a novel subsequent mono C(sp2)–H allylation/olefin isomerization/y-selective double C(sp3)–H allylation process was developed. A wide range of substituted trisallylated azoles bearing all quaternary carbon centers has been synthesized efficiently and with high atom economy.
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Affiliation(s)
- Jun Zheng
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
| | - Fereshteh Hosseini-Eshbala
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
| | - Ya-Xi Dong
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
| | - Bernhard Breit
- Institut für Organische Chemie
- Freiburg Institute for Advanced Studies (FRIAS)
- Albert-Ludwigs-Universität Freiburg
- 79104 Freiburgim Breisgau
- Germany
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45
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Enantioselective Cobalt(III)‐Catalyzed C−H Activation Enabled by Chiral Carboxylic Acid Cooperation. Angew Chem Int Ed Engl 2018; 57:15425-15429. [DOI: 10.1002/anie.201808595] [Citation(s) in RCA: 131] [Impact Index Per Article: 21.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2018] [Revised: 09/16/2018] [Indexed: 11/07/2022]
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46
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Pesciaioli F, Dhawa U, Oliveira JCA, Yin R, John M, Ackermann L. Enantioselective Cobalt(III)‐Catalyzed C−H Activation Enabled by Chiral Carboxylic Acid Cooperation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808595] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Fabio Pesciaioli
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Uttam Dhawa
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - João C. A. Oliveira
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Rongxin Yin
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Michael John
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
| | - Lutz Ackermann
- Institut für Organische und Biomolekulare ChemieGeorg-August-Universität Göttingen Tammannstraße 2 37077 Göttingen Germany
- Department of ChemistryUniversity of Pavia Viale Taramelli, 10 27100 Pavia Italy
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47
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He Q, Chatani N. A Synthesis of 3,4-Dihydroisoquinolin-1(2H)-one via the Rhodium-Catalyzed Alkylation of Aromatic Amides with N-Vinylphthalimide. J Org Chem 2018; 83:13587-13594. [DOI: 10.1021/acs.joc.8b02249] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qiyuan He
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoto Chatani
- Department of Applied Chemistry, Faculty of Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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48
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Kärkäs MD. Electrochemical strategies for C-H functionalization and C-N bond formation. Chem Soc Rev 2018; 47:5786-5865. [PMID: 29911724 DOI: 10.1039/c7cs00619e] [Citation(s) in RCA: 588] [Impact Index Per Article: 98.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Conventional methods for carrying out carbon-hydrogen functionalization and carbon-nitrogen bond formation are typically conducted at elevated temperatures, and rely on expensive catalysts as well as the use of stoichiometric, and perhaps toxic, oxidants. In this regard, electrochemical synthesis has recently been recognized as a sustainable and scalable strategy for the construction of challenging carbon-carbon and carbon-heteroatom bonds. Here, electrosynthesis has proven to be an environmentally benign, highly effective and versatile platform for achieving a wide range of nonclassical bond disconnections via generation of radical intermediates under mild reaction conditions. This review provides an overview on the use of anodic electrochemical methods for expediting the development of carbon-hydrogen functionalization and carbon-nitrogen bond formation strategies. Emphasis is placed on methodology development and mechanistic insight and aims to provide inspiration for future synthetic applications in the field of electrosynthesis.
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Affiliation(s)
- Markus D Kärkäs
- Department of Chemistry, Organic Chemistry, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden.
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49
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Grélaud S, Cooper P, Feron LJ, Bower JF. Branch-Selective and Enantioselective Iridium-Catalyzed Alkene Hydroarylation via Anilide-Directed C–H Oxidative Addition. J Am Chem Soc 2018; 140:9351-9356. [DOI: 10.1021/jacs.8b04627] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Simon Grélaud
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, United Kingdom
| | - Phillippa Cooper
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, United Kingdom
| | - Lyman J. Feron
- Medicinal Chemistry,
Oncology, IMED Biotech Unit, AstraZeneca, Cambridge, United Kingdom
| | - John F. Bower
- School of Chemistry, University of Bristol, Bristol, BS8 1TS, United Kingdom
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50
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Lv H, Xiao LJ, Zhao D, Zhou QL. Nickel(0)-catalyzed linear-selective hydroarylation of unactivated alkenes and styrenes with aryl boronic acids. Chem Sci 2018; 9:6839-6843. [PMID: 30310616 PMCID: PMC6115005 DOI: 10.1039/c8sc02101e] [Citation(s) in RCA: 78] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 07/17/2018] [Indexed: 12/22/2022] Open
Abstract
Herein, we describe the first linear-selective hydroarylation reaction of unactivated alkenes and styrenes with aryl boronic acids, which was achieved by introducing a directing group on the alkenes. This efficient, scalable reaction serves as a method for modular assembly of structurally diverse alkyl arenes, including γ-aryl butyric acid derivatives, which are widely utilized as chemical building blocks for the synthesis of various drugs and other biologically active compounds.
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Affiliation(s)
- Honggui Lv
- State Key Laboratory and Institute of Elemento-Organic Chemistry , College of Chemistry , Nankai University , 94 Weijin Road , Tianjin 300071 , China .
| | - Li-Jun Xiao
- State Key Laboratory and Institute of Elemento-Organic Chemistry , College of Chemistry , Nankai University , 94 Weijin Road , Tianjin 300071 , China .
| | - Dongbing Zhao
- State Key Laboratory and Institute of Elemento-Organic Chemistry , College of Chemistry , Nankai University , 94 Weijin Road , Tianjin 300071 , China .
| | - Qi-Lin Zhou
- State Key Laboratory and Institute of Elemento-Organic Chemistry , College of Chemistry , Nankai University , 94 Weijin Road , Tianjin 300071 , China .
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