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Tian H, Hou T, Yang X, Xu H, Dong Y. Cp*Ir III-Catalyzed C 8-Selective C-H Activation Enables Room-Temperature Direct Arylation of Quinoline N-Oxides with Arylsilanes. J Org Chem 2023; 88:16365-16375. [PMID: 37948572 DOI: 10.1021/acs.joc.3c01869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2023]
Abstract
The Cp*Ir-catalyzed C8-selective arylation of quinoline N-oxides with arylsilanes is developed. This C-H activation transformation can be carried out under mild reaction conditions in good yields with a broad substrate scope and excellent functional-group tolerance. This protocol can be easily used to synthesize diverse quinoline derivatives and enable the late-stage modification of quinoline drugs. A plausible reaction mechanism is elucidated based on a series of preliminary mechanistic studies.
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Affiliation(s)
- Hua Tian
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Tingting Hou
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Xin Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Heng Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
| | - Yi Dong
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Beijing Key Laboratory of Active Substances Discovery and Druggability Evaluation, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Key Laboratory of Small Molecule Immuno-Oncology Drug Discovery, Chinese Academy of Medical Sciences, Beijing 100050, China
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2
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Ligand-enabled Ni-catalyzed hydroarylation and hydroalkenylation of internal alkenes with organoborons. Nat Commun 2022; 13:6878. [DOI: 10.1038/s41467-022-34675-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 11/02/2022] [Indexed: 11/13/2022] Open
Abstract
AbstractThe transition metal-catalyzed hydrofunctionalization of alkenes offers an efficient solution for the rapid construction of complex functional molecules, and significant progress has been made during last decades. However, the hydrofunctionalization of internal alkenes remains a significant challenge due to low reactivity and the difficulties of controlling the regioselectivity. Here, we report the hydroarylation and hydroalkenylation of internal alkenes lacking a directing group with aryl and alkenyl boronic acids in the presence of a nickel catalyst, featuring a broad substrate scope and wide functional group tolerance under redox-neutral conditions. The key to achieving this reaction is the identification of a bulky 1-adamantyl β-diketone ligand, which is capable of overcoming the low reactivity of internal 1,2-disubstituted alkenes. Preliminary mechanistic studies unveiled that this reaction undergoes an Ar-Ni(II)-H initiated hydroarylation process, which is generated by the oxidative addition of alcoholic solvent with Ni(0) species and sequential transmetalation. In addition, the oxidative addition of the alcoholic solvent proves to be the turnover-limiting step.
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3
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Simlandy AK, Rodphon W, Alturaifi TM, Mai BK, Ni HQ, Gurak JA, Liu P, Engle KM. Catalytic Addition of Nitroalkanes to Unactivated Alkenes via Directed Carbopalladation. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Amit Kumar Simlandy
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Warabhorn Rodphon
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Turki M. Alturaifi
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Binh Khanh Mai
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Hui-Qi Ni
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - John A. Gurak
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, United States
| | - Keary M. Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
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Han J, Yu H, Zi W. Carboxylic Acid-Directed Manganese(I)-Catalyzed Regioselective Hydroarylation of Unactivated Alkenes. Org Lett 2022; 24:6154-6158. [PMID: 35952363 DOI: 10.1021/acs.orglett.2c02309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A carboxylic acid-directed regioselective hydroarylation reaction of unactivated alkenes with aryl boronic acids was reported. This transformation was enabled by homogeneous manganese catalyst MnBr(CO)5 in the presence of KOH and H2O in the m-xylene reaction medium. Both internal and terminal alkenes worked well in this transformation, and a series of functional groups were tolerated. This reaction not only provided an expeditious method to prepare γ-aryl carboxylic acids from simple starting materials but also would inspire further studies in employing homogeneous manganese catalysis in organic synthesis.
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Affiliation(s)
- Jingqiang Han
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Huimin Yu
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Weiwei Zi
- State Key Laboratory and Institute of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China.,Haihe Laboratory of Sustainable Chemical Transformations, Tianjin 300071, China
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5
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Zhang X, Zhang F, Li X, Lu MZ, Meng X, Huang L, Luo H. Direct Synthesis of Biphenyl-2-carbonitriles by Rh(III)-Catalyzed C-H Hiyama Cross-Coupling in Water. Org Lett 2022; 24:5029-5033. [PMID: 35822841 DOI: 10.1021/acs.orglett.2c01754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
This method represents an efficient rhodium(III)-catalyzed o-C-H arylation of readily available benzimidate derivatives with diverse arylsilanes in water as a sustainable solvent, enabling the straightforward synthesis of potentially useful biphenyl-2-carbonitrile derivatives. This silicon-based protocol employs benzimidates as both an efficacious directing group and the source of a nitrile group.
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Affiliation(s)
- Xiuqi Zhang
- Department of Chemistry & Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Fukuan Zhang
- Department of Chemistry & Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Xiaolan Li
- Department of Chemistry & Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Ming-Zhu Lu
- College of Advanced Interdisciplinary Science and Technology, Henan University of Technology, Zhenzhou 450001, China
| | - Xin Meng
- Department of Chemistry & Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Lei Huang
- Department of Chemistry & Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
| | - Haiqing Luo
- Department of Chemistry & Chemical Engineering, Gannan Normal University, Ganzhou 341000, China
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6
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Ni HQ, Cooper P, Yang S, Wang F, Sach N, Bedekar PG, Donaldson JS, Tran-Dubé M, McAlpine IJ, Engle KM. Mapping Ambiphile Reactivity Trends in the Anti-(Hetero)annulation of Non-Conjugated Alkenes via Pd II /Pd IV Catalysis. Angew Chem Int Ed Engl 2022; 61:e202114346. [PMID: 35007393 PMCID: PMC8923970 DOI: 10.1002/anie.202114346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Indexed: 12/14/2022]
Abstract
In this study, we systematically evaluate different ambiphilic organohalides for their ability to participate in anti-selective carbo- or heteroannulation with non-conjugated alkenyl amides under PdII /PdIV catalysis. Detailed optimization of the reaction conditions has led to protocols for synthesizing tetrahydropyridines, tetralins, pyrrolidines, and other carbo/heterocyclic cores via [n+2] (n=3-5) (hetero)annulation. Expansion of scope to otherwise unreactive ambiphilic haloketones through PdII /amine co-catalysis is also demonstrated. Compared to other annulation processes, this method proceeds via a distinct PdII /PdIV mechanism involving Wacker-type directed nucleopalladation. This difference results in unique reactivity and selectivity patterns, as revealed through assessment of reaction scope and competition experiments.
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Affiliation(s)
- Hui-Qi Ni
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
| | - Phillippa Cooper
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
| | - Shouliang Yang
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Fen Wang
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Neal Sach
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Pranali G Bedekar
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
| | - Joyann S Donaldson
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Michelle Tran-Dubé
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Indrawan J McAlpine
- Pfizer Oncology Medicinal Chemistry, 10770 Science Center Drive, San Diego, CA 92121, USA
| | - Keary M Engle
- Department of Chemistry, The Scripps Research Institute, 10550 N Torrey Pines Road, La Jolla, CA 92037, USA
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7
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Ni HQ, Cooper P, Yang S, Wang F, Sach N, Bedekar PG, Donaldson JS, Tran-Dubé M, McAlpine IJ, Engle KM. Mapping Ambiphile Reactivity Trends in the Anti‐(Hetero)annulation of Non‐Conjugated Alkenes via Pd(II)/Pd(IV) Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hui-Qi Ni
- The Scripps Research Institute Chemistry 10550 N. Torrey Pines Rd. 92037 La Jolla UNITED STATES
| | | | - Shouliang Yang
- Pfizer Inc Oncology Medicinal Chemistry 10770 Science Center Drive 92121 San Diego UNITED STATES
| | - Fen Wang
- Pfizer Inc Oncology Medicinal Chemistry UNITED STATES
| | - Neal Sach
- Pfizer Inc Oncology Medicinal Chemistry UNITED STATES
| | | | | | | | | | - Keary Mark Engle
- The Scripps Research Institute Department of Chemistry 10550 N. Torrey Pines Rd. 92037 La Jolla UNITED STATES
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8
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Ni HQ, Li ZQ, Tran VT, Engle KM. Modular synthesis of non-conjugated N-(quinolin-8-yl) alkenyl amides via cross-metathesis. Tetrahedron 2021; 93:132279. [PMID: 34393281 PMCID: PMC8360400 DOI: 10.1016/j.tet.2021.132279] [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] [Indexed: 10/21/2022]
Abstract
We report a direct and modular method to access non-conjugated alkenyl amides containing the 8-aminoquinoline (AQ) directing auxiliary and related groups via cross-metathesis. In this way, readily available, AQ-containing, terminal β,γ-unsaturated amides can be coupled with various terminal alkenes to furnish internal alkene products that are otherwise difficult to prepare. The value of this family of products stems from their ability to participate in a number of directed alkene functionalization reactions.
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Affiliation(s)
- Hui-Qi Ni
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Zi-Qi Li
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Van T Tran
- Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, 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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9
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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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10
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Mkrtchyan S, Jakubczyk M, Lanka S, Pittelkow M, Iaroshenko VO. Cu-Catalyzed Arylation of Bromo-Difluoro-Acetamides by Aryl Boronic Acids, Aryl Trialkoxysilanes and Dimethyl-Aryl-Sulfonium Salts: New Entries to Aromatic Amides. Molecules 2021; 26:2957. [PMID: 34065691 PMCID: PMC8156957 DOI: 10.3390/molecules26102957] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/13/2021] [Accepted: 05/14/2021] [Indexed: 11/28/2022] Open
Abstract
We describe a mechanism-guided discovery of a synthetic methodology that enables the preparation of aromatic amides from 2-bromo-2,2-difluoroacetamides utilizing a copper-catalyzed direct arylation. Readily available and structurally simple aryl precursors such as aryl boronic acids, aryl trialkoxysilanes and dimethyl-aryl-sulfonium salts were used as the source for the aryl substituents. The scope of the reactions was tested, and the reactions were insensitive to the electronic nature of the aryl groups, as both electron-rich and electron-deficient aryls were successfully introduced. A wide range of 2-bromo-2,2-difluoroacetamides as either aliphatic or aromatic secondary or tertiary amides were also reactive under the developed conditions. The described synthetic protocols displayed excellent efficiency and were successfully utilized for the expeditious preparation of diverse aromatic amides in good-to-excellent yields. The reactions were scaled up to gram quantities.
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Affiliation(s)
- Satenik Mkrtchyan
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Łodź, Poland; (M.J.); (S.L.)
| | - Michał Jakubczyk
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Łodź, Poland; (M.J.); (S.L.)
- Institute of Bioorganic Chemistry, Polish Academy of Sciences, Noskowskiego 12/14, 61-704 Poznań, Poland
| | - Suneel Lanka
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Łodź, Poland; (M.J.); (S.L.)
- Institute of General and Ecological Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
| | - Michael Pittelkow
- Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark;
| | - Viktor O. Iaroshenko
- Laboratory of Homogeneous Catalysis and Molecular Design at the Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, Sienkiewicza 112, 90-363 Łodź, Poland; (M.J.); (S.L.)
- Dipartimento di Chimica e Biologia “A. Zambelli” Università di Salerno, Via Giovanni Paolo II, 84084 Fisciano (SA), Italy
- Department of Chemistry, University of Helsinki, A.I. Virtasen aukio 1, 00014 Helsinki, Finland
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Wu XX, Ye H, Jiang G, Hu L. Domino Heck/Hiyama cross-coupling: trapping of the σ-alkylpalladium intermediate with arylsilanes. Org Biomol Chem 2021; 19:4254-4257. [PMID: 33890598 DOI: 10.1039/d1ob00595b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
A palladium-catalyzed domino Heck cyclization/Hiyama coupling reaction by the trapping of the σ-alkylpalladium intermediate with arylsilanes is described. A wide range of aryl-tethered alkenes and arylsilanes are all compatible with the reaction conditions. This approach shows good yields and excellent functional group tolerance, presenting a more practical and sustainable alternative to the conventional domino Heck cyclization/Suzuki coupling reaction.
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Affiliation(s)
- Xin-Xing Wu
- College of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, People's Republic of China.
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