1
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Li W, Shi S, Cao M, Gao W, Zhang X, Li W, Yu Y, Li T. Palladium(II)-Catalyzed Norbornene-Mediated Selective meta-C-H Silylation for the Synthesis of Arylsilanes from Primary Benzamides. Org Lett 2024; 26:5506-5510. [PMID: 38900141 DOI: 10.1021/acs.orglett.4c01841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024]
Abstract
A palladium(II)-catalyzed norbornene-mediated remote selective meta-C-H silylation of primary benzamides was developed for the synthesis of arylsilanes. Such a conversion provides access to a range of arylsilanes with exclusive selectivity using norbornene (NBE) as the meta-C-H activator. The amide directing group can be detached simultaneously through C-C bond cleavage or undergo a dehydration reaction pathway to form nitriles.
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Affiliation(s)
- Wenguang Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Shukui Shi
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Man Cao
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Wenchao Gao
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Xu Zhang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Wentao Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Yongqi Yu
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Ting Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
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2
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Li W, Cao M, Zhang C, Shi S, Liu J, Li W, Zhang X, Yu Y, Li T. Palladium/NBE-Catalyzed Regioselective C-H Silylation: Access to Divergent Silicon-Containing Indoles. Org Lett 2024; 26:1143-1147. [PMID: 38299994 DOI: 10.1021/acs.orglett.3c04109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2024]
Abstract
A palladium/norbornene (NBE)-catalyzed regioselective C-H silylation of free NH-indoles is reported. This protocol uses Pd(OAc)2 as the catalyst and Cu(OAc)2 as the oxidant, and the reaction relies on the control of NBE as a switch. The reaction tolerates various functional groups, and a series of silicon-containing indoles were directly synthesized in 30%-94% yields.
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Affiliation(s)
- Wenguang Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Man Cao
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Chunyan Zhang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Shukui Shi
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Juan Liu
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Wentao Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Xu Zhang
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Yongqi Yu
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
| | - Ting Li
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Henan 473061, China
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3
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Li W, Yu Y, Zhang X, Zhang C, Chen M, Li T. NBE-Controlled Palladium-Catalyzed Intermolecular Selective C-H Silylation of Boronic Acids. J Org Chem 2023; 88:14659-14669. [PMID: 37787482 DOI: 10.1021/acs.joc.3c01655] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
An efficient palladium-catalyzed intermolecular selective C-H silylation of boronic acids is described. The combination of palladium catalyst with copper oxidant enables ortho-selective C-H silylation by employing hexamethyldisilane as the trimethylsilyl source, which relies on the control of NBE derivatives as a switch, thus providing straightforward access to divergent organosilicon compounds.
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Affiliation(s)
- Wenguang Li
- Drug Synthesis Engineering Technology Research Center of Henan Province for Photoelectric Green Catalysis, Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
- State Key Laboratory of Motor Vehicle Biofuel Technology, Henan Tianguan Enterprise Group Company Limited, Nanyang, Henan 473000, China
| | - Yongqi Yu
- Drug Synthesis Engineering Technology Research Center of Henan Province for Photoelectric Green Catalysis, Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
| | - Xu Zhang
- Drug Synthesis Engineering Technology Research Center of Henan Province for Photoelectric Green Catalysis, Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
| | - Chunyan Zhang
- Drug Synthesis Engineering Technology Research Center of Henan Province for Photoelectric Green Catalysis, Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
| | - Ming Chen
- Drug Synthesis Engineering Technology Research Center of Henan Province for Photoelectric Green Catalysis, Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
| | - Ting Li
- Drug Synthesis Engineering Technology Research Center of Henan Province for Photoelectric Green Catalysis, Engineering Technology Research Center of Henan Province for Solar Catalysis, College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang, Henan 473061, China
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4
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Elsaid M, Ge R, Liu C, Maiti D, Ge H. Site-Selective C-H Functionalization of Carbazoles. Angew Chem Int Ed Engl 2023:e202303110. [PMID: 37186413 DOI: 10.1002/anie.202303110] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/17/2023]
Abstract
Carbazole alkaloids hold great potential in pharmaceutical and material sciences. However, the current approaches for C1 functionalization of carbazoles rely on the use of a pre-installed directing group, severely limiting their applicability and hindering their overall efficiency. Herein, we report for the first time the development of direct Pd-catalyzed C-H alkylation and acylation of carbazoles assisted by norbornene (NBE) as a transient directing mediator. Notably, the involvement of a six-membered palladacycle intermediate was suggested in this case, representing the first example of such intermediacy within the extensively studied Pd/norbornene reactions realm.
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Affiliation(s)
- Mazen Elsaid
- Texas Tech University, Chemistry and Biochemistry, UNITED STATES
| | - Robbie Ge
- Texas Tech University, Chemistry and Biochemistry, UNITED STATES
| | - Chong Liu
- Texas Tech University, Chemistry, UNITED STATES
| | | | - Haibo Ge
- Texas Tech University, Chemistry and Biochemistry, 1204 Boston Avenue, 79409, Lubbock, UNITED STATES
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5
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Warstat R, Pervaiz M, Regenass P, Amann M, Schmidtkunz K, Einsle O, Jung M, Breit B, Hügle M, Günther S. A novel pan-selective bromodomain inhibitor for epigenetic drug design. Eur J Med Chem 2023; 249:115139. [PMID: 36736153 DOI: 10.1016/j.ejmech.2023.115139] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Abstract
For a long time, the development of bromodomain (BD) inhibitors (BDi) was almost exclusively related to the BET family. More recently, BDi for BDs outside the BET family have also been developed. Here we present a novel pan-BDi with micromolar affinities to various BDs, and nanomolar affinities to representatives of BD families I, II (Bromodomain and Extra-Terminal Domain (BET) family), III, and IV. The inhibitor shows a broad activity profile with nanomolar growth inhibition (GI50) values on various cancer cell lines. Subsequently, we were able to control the selectivity of the inhibitor by simple modifications and turned it into a highly selective BRD9 inhibitor.
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Affiliation(s)
- Robin Warstat
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, D-79104, Freiburg, Germany
| | - Mehrosh Pervaiz
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 9, D-79104, Freiburg, Germany
| | - Pierre Regenass
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, D-79104, Freiburg, Germany
| | - Marius Amann
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 9, D-79104, Freiburg, Germany; Institut für Biochemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, D-79104, Freiburg, Germany
| | - Karin Schmidtkunz
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstr. 25, D-79104, Freiburg, Germany
| | - Oliver Einsle
- Institut für Biochemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, D-79104, Freiburg, Germany
| | - Manfred Jung
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Albertstr. 25, D-79104, Freiburg, Germany
| | - Bernhard Breit
- Institut für Organische Chemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, D-79104, Freiburg, Germany
| | - Martin Hügle
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 9, D-79104, Freiburg, Germany; Institut für Biochemie, Albert-Ludwigs-Universität Freiburg, Albertstr. 21, D-79104, Freiburg, Germany.
| | - Stefan Günther
- Institut für Pharmazeutische Wissenschaften, Albert-Ludwigs-Universität Freiburg, Hermann-Herder-Str. 9, D-79104, Freiburg, Germany
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6
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Yang ZR, Zhang B, Long YJ, Shi M. Palladium-catalyzed hydroamination of vinylidenecyclopropane-diester with pyrroles and indoles: an approach to azaaromatic vinylcyclopropanes. Chem Commun (Camb) 2022; 58:9926-9929. [PMID: 35979876 DOI: 10.1039/d2cc03635e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new method for the synthesis of azaaromatic vinylcyclopropanes (VCPs) has been disclosed in this paper by using pyrrole or indole derivatives as nucleophilic reagents to react with vinylidenecyclopropane-diesters (VDCP-diesters) in the presence of a Pd catalyst, a phosphine ligand and a base under mild conditions in up to 98% yield with a reasonable substrate scope. This reaction is one of the few examples of hydroamination at electron-rich allene's β-position. A plausible reaction mechanism has also been proposed through a zwitterionic π-propargyl N-palladium species according to the previous work and the obtained deuterium labeling experimental result.
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Affiliation(s)
- Ze-Ren Yang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Ling-Ling Lu, Shanghai, 200032, China.
| | - Bo Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Ling-Ling Lu, Shanghai, 200032, China.
| | - Yong-Jie Long
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Ling-Ling Lu, Shanghai, 200032, China.
| | - Min Shi
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Ling-Ling Lu, Shanghai, 200032, China.
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7
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Klausfelder B, Blach P, de Jonge N, Kempe R. Synthesis of 3,4‐Dihydro‐2
H
‐Pyrroles from Ketones, Aldehydes, and Nitro Alkanes via Hydrogenative Cyclization. Chemistry 2022; 28:e202201307. [PMID: 35638452 PMCID: PMC9545131 DOI: 10.1002/chem.202201307] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Indexed: 01/09/2023]
Abstract
Syntheses of N‐heterocyclic compounds that permit a flexible introduction of various substitution patterns by using inexpensive and diversely available starting materials are highly desirable. Easy to handle and reusable catalysts based on earth‐abundant metals are especially attractive for these syntheses. We report here on the synthesis of 3,4‐dihydro‐2H‐pyrroles via the hydrogenation and cyclization of nitro ketones. The latter are easily accessible from three components: a ketone, an aldehyde and a nitroalkane. Our reaction has a broad scope and 23 of the 33 products synthesized are compounds which have not yet been reported. The key to the general hydrogenation/cyclization reaction is a highly active, selective and reusable nickel catalyst, which was identified from a library of 24 earth‐abundant metal catalysts.
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Affiliation(s)
- Barbara Klausfelder
- Anorganische Chemie II Catalyst Design Sustainable Chemistry Centre University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
| | - Patricia Blach
- INM - Leibniz Institute for New Materials Campus D2 2 66123 Saarbrücken Germany
- Department of Physics Saarland University Campus D2 2 66123 Saarbrücken Germany
| | - Niels de Jonge
- INM - Leibniz Institute for New Materials Campus D2 2 66123 Saarbrücken Germany
- Department of Physics Saarland University Campus D2 2 66123 Saarbrücken Germany
| | - Rhett Kempe
- Anorganische Chemie II Catalyst Design Sustainable Chemistry Centre University of Bayreuth Universitätsstraße 30 95440 Bayreuth Germany
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8
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Sinha SK, Guin S, Maiti S, Biswas JP, Porey S, Maiti D. Toolbox for Distal C-H Bond Functionalizations in Organic Molecules. Chem Rev 2021; 122:5682-5841. [PMID: 34662117 DOI: 10.1021/acs.chemrev.1c00220] [Citation(s) in RCA: 166] [Impact Index Per Article: 55.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Transition metal catalyzed C-H activation has developed a contemporary approach to the omnipresent area of retrosynthetic disconnection. Scientific researchers have been tempted to take the help of this methodology to plan their synthetic discourses. This paradigm shift has helped in the development of industrial units as well, making the synthesis of natural products and pharmaceutical drugs step-economical. In the vast zone of C-H bond activation, the functionalization of proximal C-H bonds has gained utmost popularity. Unlike the activation of proximal C-H bonds, the distal C-H functionalization is more strenuous and requires distinctly specialized techniques. In this review, we have compiled various methods adopted to functionalize distal C-H bonds, mechanistic insights within each of these procedures, and the scope of the methodology. With this review, we give a complete overview of the expeditious progress the distal C-H activation has made in the field of synthetic organic chemistry while also highlighting its pitfalls, thus leaving the field open for further synthetic modifications.
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Affiliation(s)
- Soumya Kumar Sinha
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Srimanta Guin
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sudip Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Jyoti Prasad Biswas
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Sandip Porey
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Debabrata Maiti
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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9
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Jacob C, Maes BUW, Evano G. Transient Directing Groups in Metal-Organic Cooperative Catalysis. Chemistry 2021; 27:13899-13952. [PMID: 34286873 DOI: 10.1002/chem.202101598] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Indexed: 12/13/2022]
Abstract
The direct functionalization of C-H bonds is among the most fundamental chemical transformations in organic synthesis. However, when the innate reactivity of the substrate cannot be utilized for the functionalization of a given single C-H bond, this selective C-H bond functionalization mostly relies on the use of directing groups that allow bringing the catalyst in close proximity to the C-H bond to be activated and these directing groups need to be installed before and cleaved after the transformation, which involves two additional undesired synthetic operations. These additional steps dramatically reduce the overall impact and the attractiveness of C-H bond functionalization techniques since classical approaches based on substrate pre-functionalization are sometimes still more straightforward and appealing. During the past decade, a different approach involving both the in situ installation and removal of the directing group, which can then often be used in a catalytic manner, has emerged: the transient directing group strategy. In addition to its innovative character, this strategy has brought C-H bond functionalization to an unprecedented level of usefulness and has enabled the development of remarkably efficient processes for the direct and selective introduction of functional groups onto both aromatic and aliphatic substrates. The processes unlocked by the development of these transient directing groups will be comprehensively overviewed in this review article.
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Affiliation(s)
- Clément Jacob
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium.,Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Bert U W Maes
- Organic Synthesis Division, Department of Chemistry, University of Antwerp, Groenenborgerlaan 171, 2020, Antwerp, Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie Organiques, Université libre de Bruxelles (ULB), Avenue F.D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium
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10
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Patel M, Desai B, Ramani A, Dholakiya BZ, Naveen T. Recent Developments in the Palladium‐Catalyzed/Norbornene‐Mediated Synthesis of Carbo‐ and Heterocycles. ChemistrySelect 2021. [DOI: 10.1002/slct.202102641] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Monak Patel
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat Gujarat 395 007 India
| | - Bhargav Desai
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat Gujarat 395 007 India
| | - Arti Ramani
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat Gujarat 395 007 India
| | - Bharatkumar Z. Dholakiya
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat Gujarat 395 007 India
| | - Togati Naveen
- Department of Chemistry Sardar Vallabhbhai National Institute of Technology Surat Gujarat 395 007 India
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11
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Palani V, Perea MA, Sarpong R. Site-Selective Cross-Coupling of Polyhalogenated Arenes and Heteroarenes with Identical Halogen Groups. Chem Rev 2021; 122:10126-10169. [PMID: 34402611 DOI: 10.1021/acs.chemrev.1c00513] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Methods to functionalize arenes and heteroarenes in a site-selective manner are highly sought after for rapidly constructing value-added molecules of medicinal, agrochemical, and materials interest. One effective approach is the site-selective cross-coupling of polyhalogenated arenes bearing multiple, but identical, halogen groups. Such cross-coupling reactions have proven to be incredibly effective for site-selective functionalization. However, they also present formidable challenges due to the inherent similarities in the reactivities of the halogen substituents. In this Review, we discuss strategies for site-selective cross-couplings of polyhalogenated arenes and heteroarenes bearing identical halogens, beginning first with an overview of the reaction types that are more traditional in nature, such as electronically, sterically, and directing-group-controlled processes. Following these examples is a description of emerging strategies, which includes ligand- and additive/solvent-controlled reactions as well as photochemically initiated processes.
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Affiliation(s)
- Vignesh Palani
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Melecio A Perea
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
| | - Richmond Sarpong
- Department of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
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12
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Strategic evolution in transition metal-catalyzed directed C–H bond activation and future directions. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213683] [Citation(s) in RCA: 93] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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13
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Ankade SB, Shabade AB, Soni V, Punji B. Unactivated Alkyl Halides in Transition-Metal-Catalyzed C–H Bond Alkylation. ACS Catal 2021. [DOI: 10.1021/acscatal.0c05580] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Shidheshwar B. Ankade
- Organometallic Synthesis and Catalysis Lab, Chemical Engineering Division, CSIR−National Chemical Laboratory (CSIR−NCL), Dr. Homi Bhabha Road, Pune 411 008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Anand B. Shabade
- Organometallic Synthesis and Catalysis Lab, Chemical Engineering Division, CSIR−National Chemical Laboratory (CSIR−NCL), Dr. Homi Bhabha Road, Pune 411 008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Vineeta Soni
- Organometallic Synthesis and Catalysis Lab, Chemical Engineering Division, CSIR−National Chemical Laboratory (CSIR−NCL), Dr. Homi Bhabha Road, Pune 411 008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Benudhar Punji
- Organometallic Synthesis and Catalysis Lab, Chemical Engineering Division, CSIR−National Chemical Laboratory (CSIR−NCL), Dr. Homi Bhabha Road, Pune 411 008, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
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14
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Qi X, Wang J, Dong Z, Dong G, Liu P. Compatibility Score for Rational Electrophile Selection in Pd/NBE Cooperative Catalysis. Chem 2020; 6:2810-2825. [PMID: 34046530 DOI: 10.1016/j.chempr.2020.09.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A mechanistically guided approach is developed to predict electrophile compatibility in the palladium/norbornene (Pd/NBE) cooperative catalysis for the ipso/ortho difunctionalization of aryl halides. A key challenge in these reactions is to identify orthogonal electrophile and aryl hali de starting materials that react selectively with different transition metal complexes in separate oxidative addition events in the catalytic cycle. We performed detailed experimental and computational mechanistic studies to identify the catalytically active Pd(II) intermediate and the substrate-dependent mechanisms in reactions with various types of carbon and nitrogen electrophiles. We introduced the concept of electrophile compatibility score (ECS) to rationally select electrophiles based on the orthogonal reactivity of electrophile and aryl halide towards the Pd(0) and Pd(II) complexes. This approach was applied to predict electrophile compatibility in the Pd/NBE cooperative catalysis with a variety of electrophilic coupling partners used in alkylation, arylation, amination, and acylation reactions.
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Affiliation(s)
- Xiaotian Qi
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA
| | - Jianchun Wang
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Zhe Dong
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, IL 60637, USA
| | - Peng Liu
- Department of Chemistry, University of Pittsburgh, Pittsburgh, PA 15260, USA.,Department of Chemical and Petroleum Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA.,Lead Contact
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15
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Gao Y, Li J, Bai S, Tu D, Yang C, Ye Z, Hu B, Qi X, Jiang C. Direct synthesis of annulated indoles through palladium-catalyzed double alkylations. Org Chem Front 2020. [DOI: 10.1039/d0qo00135j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A facile, one-step synthesis of annulated indoles from (N–H) indoles and dibromoalkanes was developed through a palladium-catalyzed double alkylation process.
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Affiliation(s)
- Yadong Gao
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
- National Institute of Biological Sciences
| | - Jianhua Li
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
| | - Songlin Bai
- National Institute of Biological Sciences
- Beijing 102206
- P. R. China
| | - Daoquan Tu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
| | - Chao Yang
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
- National Institute of Biological Sciences
| | - Zhiwen Ye
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
| | - Bingcheng Hu
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
| | - Xiangbing Qi
- National Institute of Biological Sciences
- Beijing 102206
- P. R. China
- Tsinghua Institute of Multidisciplinary Biomedical Research
- Tsinghua University
| | - Chao Jiang
- School of Chemical Engineering
- Nanjing University of Science and Technology
- Nanjing 210094
- P. R. China
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16
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Padhi B, Kang G, Kim E, Ha J, Kim HT, Lim J, Joo JM. Pd-Catalyzed C–H Annulation of Five-Membered Heteroaryl Halides with Norbornene Derivatives. ACS Catal 2019. [DOI: 10.1021/acscatal.9b05177] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Birakishore Padhi
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Geunhee Kang
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Eunmin Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Jeongmin Ha
- Department of Chemistry and Research Institute for Basic Science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Hyun Tae Kim
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
| | - Jeewoo Lim
- Department of Chemistry and Research Institute for Basic Science, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Jung Min Joo
- Department of Chemistry and Chemistry Institute for Functional Materials, Pusan National University, Busan 46241, Republic of Korea
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17
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Yang SY, Han WY, He C, Cui BD, Wan NW, Chen YZ. 2,2-Bifunctionalization of Norbornene in Palladium-Catalyzed Domino Annulation. Org Lett 2019; 21:8857-8860. [DOI: 10.1021/acs.orglett.9b03565] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Si-Yi Yang
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, PR China
| | - Wen-Yong Han
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, PR China
| | - Chen He
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, PR China
| | - Bao-Dong Cui
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, PR China
| | - Nan-Wei Wan
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, PR China
| | - Yong-Zheng Chen
- Key Laboratory of Biocatalysis & Chiral Drug Synthesis of Guizhou Province, Generic Drug Research Center of Guizhou Province, School of Pharmacy, Zunyi Medical University, Zunyi 563006, PR China
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18
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Abstract
Palladium/norbornene cooperative catalysis has emerged as a distinct approach to construct polyfunctionalized arenes from readily available starting materials. This Review provides a comprehensive overview of this field, including the early stoichiometric investigations, catalytic reaction developments, as well as the applications in the syntheses of bioactive compounds and polymers. The section of catalytic reactions is divided into two parts according to the reaction initiation mode: Pd(0)-initiated reactions and Pd(II)-initiated reactions.
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Affiliation(s)
- Jianchun Wang
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
| | - Guangbin Dong
- Department of Chemistry, University of Chicago, Chicago, Illinois 60637, United States
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19
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Evano G, Theunissen C. Beyond Friedel and Crafts: Innate Alkylation of C−H Bonds in Arenes. Angew Chem Int Ed Engl 2019; 58:7558-7598. [DOI: 10.1002/anie.201806631] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Indexed: 12/28/2022]
Affiliation(s)
- Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie OrganiquesUniversité libre de Bruxelles (ULB) Avenue F.D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | - Cédric Theunissen
- Laboratoire de Chimie Organique, Service de Chimie et Physico-Chimie OrganiquesUniversité libre de Bruxelles (ULB) Avenue F.D. Roosevelt 50, CP160/06 1050 Brussels Belgium
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20
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Yahata K. Borono-Catellani-Type Reactions. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.608] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Kenzo Yahata
- Graduate School of Pharmaceutical Sciences, Osaka University
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21
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Cheng H, Chen S, Chen R, Zhou Q. Palladium(II)‐Initiated Catellani‐Type Reactions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813491] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Hong‐Gang Cheng
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
| | - Shuqing Chen
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
| | - Ruiming Chen
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
| | - Qianghui Zhou
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
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22
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Cheng H, Chen S, Chen R, Zhou Q. Palladium(II)‐Initiated Catellani‐Type Reactions. Angew Chem Int Ed Engl 2019; 58:5832-5844. [DOI: 10.1002/anie.201813491] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Hong‐Gang Cheng
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
| | - Shuqing Chen
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
| | - Ruiming Chen
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
| | - Qianghui Zhou
- College of Chemistry and Molecular SciencesInstitute for Advanced Studies (IAS)Wuhan University 430072 Wuhan P. R. China
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23
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Evano G, Theunissen C. Jenseits von Friedel und Crafts: immanente Alkylierung von C‐H‐Bindungen in Arenen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201806631] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Gwilherm Evano
- Laboratoire de Chimie Organique, Service 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 Organique, Service de Chimie et Physico-Chimie OrganiquesUniversité libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brüssel Belgien
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24
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Li W, Chen W, Zhou B, Xu Y, Deng G, Liang Y, Yang Y. NBE-Controlled Palladium-Catalyzed Interannular Selective C-H Silylation: Access to Divergent Silicon-Containing 1,1'-Biaryl-2-Acetamides. Org Lett 2019; 21:2718-2722. [PMID: 30924667 DOI: 10.1021/acs.orglett.9b00690] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A novel palladium-catalyzed interannular selective C-H silylation of 1,1'-biaryl-2-acetamides is described. The combination of palladium catalyst with copper oxidant enables meta- or ortho-selective C-H silylation by employing hexamethyldisilane as a trimethylsilyl source, which relies on the control of NBE derivatives as a switch, thus providing straightforward access to divergent silicon-containing 1,1'-biaryl-2-acetamides.
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Affiliation(s)
- Wenguang Li
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
| | - Wenqi Chen
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
| | - Bang Zhou
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
| | - Yankun Xu
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
| | - Guobo Deng
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
| | - Yun Liang
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
| | - Yuan Yang
- National & Local Joint Engineering Laboratory for New Petro-chemical Materials and Fine Utilization of Resources, Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research, Ministry of Education, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province , Hunan Normal University , Changsha , Hunan 410081 , China
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25
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26
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Liu ZS, Gao Q, Cheng HG, Zhou Q. Alkylating Reagents Employed in Catellani-Type Reactions. Chemistry 2018; 24:15461-15476. [PMID: 30016558 DOI: 10.1002/chem.201802818] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2018] [Indexed: 12/12/2022]
Abstract
The Catellani reaction is a powerful strategy that allows the expeditious synthesis of highly substituted arenes, which are not easily accessible through traditional transition-metal-catalyzed cross-coupling reactions. This reaction utilizes the synergistic interplay of palladium and norbornene catalysis to facilitate sequential ortho-C-H functionalization and ipso termination of aryl iodides in a single operation. Since pioneering work by the group of Catellani in 1997, and later by the group of Lautens, this chemistry has attracted considerable attention from the synthetic chemistry community. Dramatic progress has been made by a number of groups in the past two decades. In this Minireview, the alkylating reagents employed in this intriguing reaction and the corresponding applications in organic synthesis are summarized; thus complementing existing reviews to inspire future developments.
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Affiliation(s)
- Ze-Shui Liu
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, Wuhan, P.R. China
| | - Qianwen Gao
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, Wuhan, P.R. China
| | - Hong-Gang Cheng
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, Wuhan, P.R. China
| | - Qianghui Zhou
- College of Chemistry and Molecular Sciences, Wuhan University, 430072, Wuhan, P.R. China.,The Institute for Advanced Studies, Wuhan University, 430072, Wuhan, P.R. China
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27
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Casnati A, Fontana M, Coruzzi G, Aresta BM, Corriero N, Maggi R, Maestri G, Motti E, Della Ca' N. Enhancing Reactivity and Selectivity of Aryl Bromides: A Complementary Approach to Dibenzo[
b,f
]azepine Derivatives. ChemCatChem 2018. [DOI: 10.1002/cctc.201800940] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Alessandra Casnati
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
| | - Marco Fontana
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
| | - Giovanni Coruzzi
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
| | | | - Nicola Corriero
- Istituto di Cristallografia CNR Via Amendola 122/O Bari 70124 Italy
| | - Raimondo Maggi
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
| | - Giovanni Maestri
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
| | - Elena Motti
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
| | - Nicola Della Ca'
- Department of Chemistry Life Sciences and Environmental Sustainability (SCVSA)University of Parma Parco Area delle Scienze 17/A Parma 43124 Italy
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28
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Zhao X, Bai J, Zeng F, Xing Y, Zhu R, Huang J. Direct Double Arylation of Bridged Alkenes and Efficient Bis-C-H Alkylation of Benzamides. ChemistrySelect 2018. [DOI: 10.1002/slct.201801801] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Xiaoxia Zhao
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin; China
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency; Tianjin University, Tianjin; China
| | - Jinshan Bai
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin; China
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency; Tianjin University, Tianjin; China
| | - Fanyun Zeng
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin; China
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency; Tianjin University, Tianjin; China
| | - Yufeng Xing
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin; China
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency; Tianjin University, Tianjin; China
| | - Ranran Zhu
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin; China
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency; Tianjin University, Tianjin; China
| | - Jianhui Huang
- School of Pharmaceutical Science and Technology; Tianjin University; Tianjin 300072 China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin; China
- Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency; Tianjin University, Tianjin; China
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29
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Ghosh M, De Sarkar S. meta
- and para
-Selective C−H Functionalization using Transient Mediators and Noncovalent Templates. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800225] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Munmun Ghosh
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 West Bengal India
| | - Suman De Sarkar
- Department of Chemical Sciences; Indian Institute of Science Education and Research Kolkata; Mohanpur 741246 West Bengal India
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30
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Chen S, Liu ZS, Yang T, Hua Y, Zhou Z, Cheng HG, Zhou Q. The Discovery of a Palladium(II)-Initiated Borono-Catellani Reaction. Angew Chem Int Ed Engl 2018; 57:7161-7165. [PMID: 29696768 DOI: 10.1002/anie.201803865] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 04/25/2018] [Indexed: 11/09/2022]
Abstract
Reported is a novel palladium(II)-initiated Catellani-type reaction that utilizes widely accessible aryl boronic acids as the substrates instead of aryl halides, thereby greatly expanding the existing scope of this powerful transformation. This borono-Catellani reaction was promoted by cooperative catalysis between Pd(OAc)2 and the inexpensive 5-norbornene-2-carbonitrile. Practicality is the striking feature of the reaction: it is run open to air at ambient temperature and no phosphine ligand is needed. This mild, chemoselective, and scalable protocol is compatible with a large range of readily available functionalized aryl boronic acids and bromides, as well as terminating olefins (50 examples, 39-97 % yields). Moreover, the orthogonal reactivity between the borono-Catellani and classical Catellani reaction was demonstrated. This work is expected to open new avenues for developing novel Catellani-type reactions.
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Affiliation(s)
- Shuqing Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Ze-Shui Liu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Tao Yang
- The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
| | - Yu Hua
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Zhiyu Zhou
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Hong-Gang Cheng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Qianghui Zhou
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China.,The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
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31
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Chen S, Liu ZS, Yang T, Hua Y, Zhou Z, Cheng HG, Zhou Q. The Discovery of a Palladium(II)-Initiated Borono-Catellani Reaction. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201803865] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shuqing Chen
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Ze-Shui Liu
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Tao Yang
- The Institute for Advanced Studies; Wuhan University; Wuhan 430072 China
| | - Yu Hua
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Zhiyu Zhou
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Hong-Gang Cheng
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Qianghui Zhou
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
- The Institute for Advanced Studies; Wuhan University; Wuhan 430072 China
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32
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Shi G, Shao C, Ma X, Gu Y, Zhang Y. Pd(II)-Catalyzed Catellani-Type Domino Reaction Utilizing Arylboronic Acids as Substrates. ACS Catal 2018. [DOI: 10.1021/acscatal.8b00637] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Guangfa Shi
- School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Changdong Shao
- School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Xiaotian Ma
- School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yichao Gu
- School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yanghui Zhang
- School of Chemical Science and Engineering, Shanghai Key Laboratory of Chemical Assessment and Sustainability, Tongji University, 1239 Siping Road, Shanghai 200092, China
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33
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Cheng HG, Wu C, Chen H, Chen R, Qian G, Geng Z, Wei Q, Xia Y, Zhang J, Zhang Y, Zhou Q. Epoxides as Alkylating Reagents for the Catellani Reaction. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201800573] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Hong-Gang Cheng
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Chenggui Wu
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Han Chen
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Ruiming Chen
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Guangyin Qian
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Zhi Geng
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Qiang Wei
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Yuanyuan Xia
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Jingyang Zhang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Yuming Zhang
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
| | - Qianghui Zhou
- College of Chemistry and Molecular Sciences; Wuhan University; Wuhan 430072 China
- The Institute for Advanced Studies; Wuhan University; Wuhan 430072 China
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34
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Cheng HG, Wu C, Chen H, Chen R, Qian G, Geng Z, Wei Q, Xia Y, Zhang J, Zhang Y, Zhou Q. Epoxides as Alkylating Reagents for the Catellani Reaction. Angew Chem Int Ed Engl 2018; 57:3444-3448. [PMID: 29368370 DOI: 10.1002/anie.201800573] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Indexed: 11/11/2022]
Abstract
We report a cooperative catalytic system comprising a PdII complex, XPhos, and the potassium salt of 5-norbornene-2-carboxylic acid that enables the use of epoxides as alkylating reagents in the Catellani reaction, thereby expanding the existing paradigm of this powerful transformation. The potassium salt of inexpensive 5-norbornene-2-carboxylic acid acts as both mediator and base in the process. This mild, chemoselective, scalable, and atom-economical protocol is compatible with a wide variety of readily available functionalized aryl iodides and epoxides, as well as terminating olefins. The resulting products undergo facile oxa-Michael addition to furnish ubiquitous isochroman scaffolds.
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Affiliation(s)
- Hong-Gang Cheng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Chenggui Wu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Han Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Ruiming Chen
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Guangyin Qian
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Zhi Geng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Qiang Wei
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Yuanyuan Xia
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Jingyang Zhang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Yuming Zhang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China
| | - Qianghui Zhou
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, China.,The Institute for Advanced Studies, Wuhan University, Wuhan, 430072, China
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35
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Gandeepan P, Ackermann L. Transient Directing Groups for Transformative C–H Activation by Synergistic Metal Catalysis. Chem 2018. [DOI: 10.1016/j.chempr.2017.11.002] [Citation(s) in RCA: 335] [Impact Index Per Article: 55.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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36
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Xu S, Jiang J, Ding L, Fu Y, Gu Z. Palladium/Norbornene-Catalyzed ortho Aliphatic Acylation with Mixed Anhydride: Selectivity and Reactivity. Org Lett 2018; 20:325-328. [DOI: 10.1021/acs.orglett.7b03514] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Shibo Xu
- Department of Chemistry and Hefei National
Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Julong Jiang
- Department of Chemistry and Hefei National
Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Linlin Ding
- Department of Chemistry and Hefei National
Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Yao Fu
- Department of Chemistry and Hefei National
Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Zhenhua Gu
- Department of Chemistry and Hefei National
Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
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37
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Duan JH, Mi RJ, Sun J, Zhou MD. Regioselective C5 alkenylation of 2-acylpyrroles via Pd(ii)-catalyzed C–H bond activation. Org Chem Front 2018. [DOI: 10.1039/c7qo00732a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A Pd(ii)-catalyzed regioselective C5 alkenylation of 2-acylpyrroles to synthesize various C5-alkenylated 2-acylpyrroles using a readily removable N-protecting group is developed.
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Affiliation(s)
- Jian-Hua Duan
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
| | - Rui-Jie Mi
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
| | - Jing Sun
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
| | - Ming-Dong Zhou
- School of Chemistry and Materials Science
- Liaoning Shihua University
- Fushun 113001
- P. R. China
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38
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Synthesis of Pyrrole-Annulated Heterocycles through Copper-Catalyzed Site-Selective Dehydrogenative Cross-Coupling. European J Org Chem 2017. [DOI: 10.1002/ejoc.201700929] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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39
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Gao Y, Zhu W, Yin L, Dong B, Fu J, Ye Z, Xue F, Jiang C. Palladium-catalyzed direct C2-arylation of free (N H) indoles via norbornene-mediated regioselective C H activation. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.04.066] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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40
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Kim DS, Park WJ, Jun CH. Metal–Organic Cooperative Catalysis in C–H and C–C Bond Activation. Chem Rev 2017; 117:8977-9015. [DOI: 10.1021/acs.chemrev.6b00554] [Citation(s) in RCA: 444] [Impact Index Per Article: 63.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dong-Su Kim
- Department of Chemistry, Yonsei University, 50
Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Woo-Jin Park
- Department of Chemistry, Yonsei University, 50
Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
| | - Chul-Ho Jun
- Department of Chemistry, Yonsei University, 50
Yonsei-ro, Seodaemun-gu, Seoul 03722, Republic of Korea
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41
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Majhi B, Ranu BC. Palladium-Catalyzed Norbornene-Mediated Tandem ortho-C–H-Amination/ipso-C–I-Cyanation of Iodoarenes: Regiospecific Synthesis of 2-Aminobenzonitrile. Org Lett 2016; 18:4162-5. [DOI: 10.1021/acs.orglett.6b02113] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Biju Majhi
- Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Brindaban C. Ranu
- Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
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42
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Wang J, Gu Z. Synthesis of 2-(1-Alkoxyvinyl)anilines by Palladium/Norbornene-Catalyzed Amination Followed by Termination with Vinyl Ethers. Adv Synth Catal 2016. [DOI: 10.1002/adsc.201600339] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jie Wang
- Department of Chemistry; University of Science and Technology of China; 96 Jinzhai Road, Hefei Anhui 230036 People's Republic of China
| | - Zhenhua Gu
- Department of Chemistry; University of Science and Technology of China; 96 Jinzhai Road, Hefei Anhui 230036 People's Republic of China
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43
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Li X, Pan J, Song S, Jiao N. Pd-catalyzed dehydrogenative annulation approach for the efficient synthesis of phenanthridinones. Chem Sci 2016; 7:5384-5389. [PMID: 30155191 PMCID: PMC6020758 DOI: 10.1039/c6sc01148a] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2016] [Accepted: 04/26/2016] [Indexed: 01/02/2023] Open
Abstract
A novel Pd-catalyzed intermolecular dehydrogenative annulation of aryl iodides and aryl carbamic chlorides for the efficient synthesis of phenanthridinone derivatives was developed. Simple aryl iodides and carbamic chlorides readily made from various anilines, a broad substrate scope with hetero/polycycles, as well as high-value products, make this direct dehydrogenative annulation approach very practical and attractive.
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Affiliation(s)
- Xinyao Li
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Rd. 38 , Beijing 100191 , China .
| | - Jun Pan
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Rd. 38 , Beijing 100191 , China .
| | - Song Song
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Rd. 38 , Beijing 100191 , China .
| | - Ning Jiao
- State Key Laboratory of Natural and Biomimetic Drugs , School of Pharmaceutical Sciences , Peking University , Xue Yuan Rd. 38 , Beijing 100191 , China .
- State Key Laboratory of Elemento-organic Chemistry , Nankai University , Weijin Rd. 94 , Tianjin 300071 , China
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44
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Della Ca’ N, Fontana M, Motti E, Catellani M. Pd/Norbornene: A Winning Combination for Selective Aromatic Functionalization via C-H Bond Activation. Acc Chem Res 2016; 49:1389-400. [PMID: 27333299 DOI: 10.1021/acs.accounts.6b00165] [Citation(s) in RCA: 433] [Impact Index Per Article: 54.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Direct C-H bond activation is an important reaction in synthetic organic chemistry. This methodology has the potential to simplify reactions by avoiding the use of prefunctionalized reagents. However, selectivity, especially site selectivity, remains challenging. Sequential reactions, in which different molecules or groups are combined in an ordered sequence, represent a powerful tool for the construction of complex molecules in a single operation. We have discovered and developed a synthetic methodology that combines selective C-H bond activation with sequential reactions. This procedure, which is now known as the "Catellani reaction", enables the selective functionalization of both the ortho and ipso positions of aryl halides. The desired molecules are obtained with high selectivity from a pool of simple precursors. These molecules are assembled under the control of a palladacycle, which is formed through the joint action of a metal (Pd) and an olefin such as norbornene. These two species act cooperatively with an aryl halide to construct the palladacycle, which is formed through ortho-C-H activation of the original aryl halide. The resulting complex acts as a scaffold to direct the reaction (via Pd(IV)) of other species, such as alkyl or aryl halides and amination or acylation agents, toward the sp(2) C-Pd bond. At the end of this process, because of steric hindrance, the scaffold is dismantled by norbornene extrusion. Pd(0) is cleaved from the organic product through C-C, C-H, C-N, C-O, or C-B coupling, in agreement with the well-known reactivity of aryl-Pd complexes. The cycle involves Pd(0), Pd(II), and Pd(IV) species. In particular, our discovery relates to alkylation and arylation reactions. Recently, remarkable progress has been made in the following areas: (a) the installation of an amino or an acyl group at the ortho position of aryl halides, (b) the formation of a C-B bond at the ipso position, (c) the achievement of meta-C-H bond activation of aryl rings bearing a chelating directing group by Pd(II)/Pd(IV)/norbornene catalysis, and (d) the activation of N-H and C-H bonds in sequence for indole 2-alkylation. In this Account, we explain the main features of this methodology, describe its synthetic potential, and illustrate some remarkable progress that has been made, emphasizing the most recent developments and applications in total synthesis.
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Affiliation(s)
- Nicola Della Ca’
- Dipartimento di Chimica and
CIRCC, Università di Parma, Parco Area delle Scienze 17/A, I-43124 Parma, Italy
| | - Marco Fontana
- Dipartimento di Chimica and
CIRCC, Università di Parma, Parco Area delle Scienze 17/A, I-43124 Parma, Italy
| | - Elena Motti
- Dipartimento di Chimica and
CIRCC, Università di Parma, Parco Area delle Scienze 17/A, I-43124 Parma, Italy
| | - Marta Catellani
- Dipartimento di Chimica and
CIRCC, Università di Parma, Parco Area delle Scienze 17/A, I-43124 Parma, Italy
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45
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Zhao K, Xu S, Pan C, Sui X, Gu Z. Catalytically Asymmetric Pd/Norbornene Catalysis: Enantioselective Synthesis of (+)-Rhazinal, (+)-Rhazinilam, and (+)-Kopsiyunnanine C1–3. Org Lett 2016; 18:3782-5. [DOI: 10.1021/acs.orglett.6b01790] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Kun Zhao
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Shibo Xu
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Chongqing Pan
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Xianwei Sui
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
| | - Zhenhua Gu
- Department of Chemistry, University of Science and Technology of China, 96 Jinzhai Road, Hefei, Anhui 230026, P. R. China
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46
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Liu XW, Shi JL, Wei JB, Yang C, Yan JX, Peng K, Dai L, Li CG, Wang BQ, Shi ZJ. Diversified syntheses of multifunctionalized thiazole derivatives via regioselective and programmed C-H activation. Chem Commun (Camb) 2016; 51:4599-602. [PMID: 25687354 DOI: 10.1039/c4cc10419f] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The sequential construction of diversified multifunctionalized thiazole derivatives through Pd-catalyzed regioselective C-H alkenylation has been accomplished. This versatile approach provides the diversified thiazole derivatives featuring orthogonal substitution patterns at the C-2, C-4 and C-5 positions from mono-substituted (2- or 4-substituted) thiazole derivatives or even more challenging simple thiazole.
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Affiliation(s)
- Xiang-Wei Liu
- Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry, Peking University, Beijing 100871, China.
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47
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Wahl JM, Pöthig A, Bach T. Pyrrole as a Directing Group: Regioselective Pd(II)-Catalyzed Alkylation and Benzylation at the Benzene Core of 2-Phenylpyrroles. Org Lett 2016; 18:852-5. [DOI: 10.1021/acs.orglett.6b00141] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Johannes M. Wahl
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Alexander Pöthig
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
| | - Thorsten Bach
- Department Chemie and Catalysis Research Center (CRC), Technische Universität München, Lichtenbergstrasse 4, 85747 Garching, Germany
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48
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Opatz T, Kucukdisli M, M. Nebe M, M. Bartelt S. A Short Synthesis of 2,3,5-Trisubstituted Pyrroles by an Alkylation/Dehydrocyanation Sequence. HETEROCYCLES 2016. [DOI: 10.3987/com-15-s(t)15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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49
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Maes J, Maes BU. A Journey Through Metal-Catalyzed C H Functionalization of Heterocycles. ADVANCES IN HETEROCYCLIC CHEMISTRY 2016. [DOI: 10.1016/bs.aihch.2016.04.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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50
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Ye J, Lautens M. Palladium-catalysed norbornene-mediated C–H functionalization of arenes. Nat Chem 2015; 7:863-70. [DOI: 10.1038/nchem.2372] [Citation(s) in RCA: 345] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Accepted: 09/13/2015] [Indexed: 12/22/2022]
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