1
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Yin D, Lu L, Jiang Y, Dou Y, Fu MC, Zhu Y, Fan S. 1,2-Amidoarylcarbonylation of Styrenes to Access β-Acylamino Ketones by NHC-Catalyzed Radical Relay. J Org Chem 2024. [PMID: 39197017 DOI: 10.1021/acs.joc.4c01171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2024]
Abstract
An amidoarylcarbonylation reaction of aromatic aldehydes and olefins with Katritzky pyridinium salts by N-heterocyclic carbene (NHC)-catalyzed radical relay to construct C-C and C-N bonds with good functional group tolerance is developed for the synthesis of β-acylamino ketones. This gentle and efficient approach offers a valuable style for the synthesis of β-acylamino ketones. Mechanistic studies revealed that a radical addition/coupling/elimination cascade process was involved in this reaction.
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Affiliation(s)
- Dengyu Yin
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Lishuai Lu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Ying Jiang
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yandong Dou
- Anhui Heryi Pharmaceutical Co., Ltd., Chuzhou 239000, China
| | - Ming-Chen Fu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Yanwu Zhu
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
| | - Shilu Fan
- School of Chemistry and Chemical Engineering, Hefei University of Technology, Hefei 230009, China
- Anhui Province Key Laboratory of Advance Catalytic Materials and Reaction Engineering, Hefei 230009, China
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2
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Zhu Y, Yang S, Zhou T, Szostak M. [(NHC)Pd(OAc) 2]: Highly Active Carboxylate Pd(II)-NHC (NHC = N-Heterocyclic Carbene) Precatalysts for Suzuki-Miyaura and Buchwald-Hartwig Cross-Coupling of Amides by N-C(O) Activation. J Org Chem 2024. [PMID: 38950123 DOI: 10.1021/acs.joc.4c00103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
In the past eight years, the selective cross-coupling of amides by N-C(O) bond activation has emerged as a highly attractive manifold for the manipulation of traditionally unreactive amide bonds. In this Special Issue on Next-Generation Cross-Coupling Chemistry, we report the Suzuki-Miyaura and Buchwald-Hartwig cross-coupling of amides by selective N-C(O) cleavage catalyzed by bench-stable, well-defined carboxylate Pd(II)-NHC (NHC = N-heterocyclic carbene) catalysts {[(NHC)Pd(O2CR)2]}. This class of Pd(II)-NHCs promotes cross-coupling under exceedingly mild room-temperature conditions owing to the facile dissociation of the carboxylate ligands to form the active complex. These readily accessible Pd(II)-NHC precatalysts show excellent functional group tolerance and are compatible with a broad range of amide activating groups. Considering the mild conditions for the cross-coupling and the facile access to carboxylate Pd(II)-NHC complexes, we anticipate that this class of bench-stable complexes will find wide application in the activation of amide N-C(O) and related acyl X-C(O) bonds.
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Affiliation(s)
- Yawei Zhu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Tongliang Zhou
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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3
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Mkrtchyan S, Shalimov O, Garcia MG, Zapletal J, Iaroshenko VO. Mechanochemical synthesis of aromatic ketones: pyrylium tetrafluoroborate mediated deaminative arylation of amides. Chem Sci 2024; 15:9155-9163. [PMID: 38903233 PMCID: PMC11186303 DOI: 10.1039/d4sc00904e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Accepted: 04/30/2024] [Indexed: 06/22/2024] Open
Abstract
A new method has been introduced that is able to tackle the complexities of N-C(O) activation in amide moieties through utilization of pyrylium tetrafluoroborate in a mechanochemical setting, where amide bonds undergo activation and subsequent conversion to biaryl ketones. Due to the employment of a mechanochemical setting, the reaction conforms to green chemistry principles, offering an environmentally friendly approach to traditional amide derivatization techniques that rely on transition metals to achieve further functionalization.
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Affiliation(s)
- Satenik Mkrtchyan
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University Tajovského 40 97401 Banska Bystrica Slovakia
| | - Oleksandr Shalimov
- Department of Heteroatom Chemistry, Institute of Organic Chemistry, National Academy of Sciences of Ukraine 5 Murmans'ka 02660 Kyiv Ukraine
| | - Michael G Garcia
- Department of Biology/Chemistry, Center for Cellular Nanoanalytics (CellNanOs), Universität Osnabrück Barbarastr. 7 D-49076 Osnabrück Germany
| | - Jiří Zapletal
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University Tajovského 40 97401 Banska Bystrica Slovakia
| | - Viktor O Iaroshenko
- Department of Chemistry, Faculty of Natural Sciences, Matej Bel University Tajovského 40 97401 Banska Bystrica Slovakia
- Division of Wood Chemistry and Pulp Technology, Department of Fiber and Polymer Technology, School of Chemistry, Biotechnology and Health, KTH Royal Institute of Technology Teknikringen 56-58 SE-100 44 Stockholm Sweden
- Functional Materials Group, Gulf University for Science and Technology Mubarak Al-Abdullah 32093 Kuwait
- Centre of Research Impact and Outcome, Chitkara University Institute of Engineering and Technology, Chitkara University Rajpura 140401 Punjab India
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4
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Gao P, Rahman MM, Zamalloa A, Feliciano J, Szostak M. Classes of Amides that Undergo Selective N-C Amide Bond Activation: The Emergence of Ground-State Destabilization. J Org Chem 2023; 88:13371-13391. [PMID: 36054817 DOI: 10.1021/acs.joc.2c01094] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Ground-state destabilization of the N-C(O) linkage represents a powerful tool to functionalize the historically inert amide bond. This burgeoning reaction manifold relies on the availability of amide bond precursors that participate in weakening of the nN → π*C=O conjugation through N-C twisting, N pyramidalization, and nN electronic delocalization. Since 2015, acyl N-C amide bond activation through ground-state destabilization of the amide bond has been achieved by transition-metal-catalyzed oxidative addition of the N-C(O) bond, generation of acyl radicals, and transition-metal-free acyl addition. This Perspective summarizes contributions of our laboratory in the development of new ground-state-destabilized amide precursors enabled by twist and electronic activation of the amide bond and synthetic utility of ground-state-destabilized amides in cross-coupling reactions and acyl addition reactions. The use of ground-state-destabilized amides as electrophiles enables a plethora of previously unknown transformations of the amide bond, such as acyl coupling, decarbonylative coupling, radical coupling, and transition-metal-free coupling to forge new C-C, C-N, C-O, C-S, C-P, and C-B bonds. Structural studies of activated amides and catalytic systems developed in the past decade enable the view of the amide bond to change from the "traditionally inert" to "readily modifiable" functional group with a continuum of reactivity dictated by ground-state destabilization.
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Affiliation(s)
- Pengcheng Gao
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Md Mahbubur Rahman
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Alfredo Zamalloa
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Jessica Feliciano
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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5
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Agarwal S, Bairagi S, Khatun MM, Deori K. Hierarchical NiZn Solid Solution as a Highly Efficient Palladium Free Heterogeneous Catalyst for Suzuki-Miyaura Cross-Coupling Reaction. ACS APPLIED MATERIALS & INTERFACES 2023; 15:41073-41080. [PMID: 37583262 DOI: 10.1021/acsami.3c06500] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
In this report, surfactant free solid solution of NiZn with a hierarchical architecture was synthesized via a one-pot colloidal approach. Evidence supporting hierarchical crystal growth and alloying of metals at the atomic level was obtained from field emission scanning electron microscopy and transmission electron microscopy-energy-dispersive X-ray data. Lattice sites of face-centered metallic Ni were found to be occupied by Zn as evident from powder X-ray diffraction where a gradual shift in the peak position and increase in the average lattice parameter upon reduction of the Ni content in the alloy samples can be observed. This well-alloyed, magnetically separable, non-noble metal-based solid solution has the potential to replace the palladium-based catalyst in the Suzuki-Miyaura cross-coupling of aryl halides (-Cl/-Br) and phenylboronic acid. The nanostructured catalyst was formed through the assembly of a triangular spiked and sheet-like structure and is magnetically well separable that is stable enough under the catalytic reaction condition. The developed heterogeneous catalyst and the designed economical catalytic model are the first ever reported work. The catalytic results outperformed most of the reported state-of-the-art works involving the transition metal-based catalyst.
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Affiliation(s)
- Soniya Agarwal
- Department of Chemistry, Dibrugarh University, Dibrugarh 786004, Assam, India
| | - Shyamolima Bairagi
- Department of Chemistry, Dibrugarh University, Dibrugarh 786004, Assam, India
| | | | - Kalyanjyoti Deori
- Department of Chemistry, Dibrugarh University, Dibrugarh 786004, Assam, India
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6
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Fang L, Jia S, Fan S, Zhu J. Palladium-catalyzed coupling of amides and cyclopropanols for the synthesis of γ-diketones. Chem Commun (Camb) 2023; 59:10392-10395. [PMID: 37551733 DOI: 10.1039/d3cc02888g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
A palladium catalytic method has been developed for the coupling of amides and cyclopropanols to γ-diketones, through simultaneous C-N and C-C activation. Heteroatom ligand exchange and heteroatom-to-carbon ligation mode switching enable the achievement of molecular cross-coupling in an amide N-atom structural context-dependent manner, avoiding any stoichiometric organometallic reagent or base.
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Affiliation(s)
- Lili Fang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China.
| | - Shuqi Jia
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China.
| | - Shuaixin Fan
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China.
| | - Jin Zhu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210023, China.
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7
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Yang S, Yu X, Liu Y, Tomasini M, Caporaso L, Poater A, Cavallo L, Cazin CSJ, Nolan SP, Szostak M. Suzuki-Miyaura Cross-Coupling of Amides by N-C Cleavage Mediated by Air-Stable, Well-Defined [Pd(NHC)(sulfide)Cl2] Catalysts: Reaction Development, Scope, and Mechanism. J Org Chem 2023. [PMID: 37467445 DOI: 10.1021/acs.joc.3c00912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
The Suzuki-Miyaura cross-coupling of amides by selective N-C acyl bond cleavage represents a powerful tool for constructing biaryl ketones from historically inert amide bonds. These amide bond activation reactions hinge upon efficient oxidative addition of the N-C acyl bond to Pd(0). However, in contrast to the well-researched activation of aryl halides by C(sp2)-X oxidative addition, very few studies on the mechanism of C(acyl)-N bond oxidative addition and catalyst effect have been reported. Herein, we report a study on [Pd(NHC)(sulfide)Cl2] catalysts in amide N-C bond activation. These readily prepared, well-defined, air- and moisture-stable Pd(II)-NHC catalysts feature SMe2 (DMS = dimethylsulfide) or S(CH2CH2)2 (THT = tetrahydrothiophene) as ancillary ligands. The reaction development, kinetic studies, and reaction scope are presented. Extensive DFT studies were conducted to gain insight into the mechanism of C(acyl)-N bond oxidative addition and catalyst activation. We expect that [Pd(NHC)(sulfide)Cl2] precatalysts featuring sulfides as well-defined, readily accessible ancillary ligands will find application in C(acyl)-X bond activation in organic synthesis and catalysis.
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Affiliation(s)
- Shiyi Yang
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Xiang Yu
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
| | - Yaxu Liu
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Michele Tomasini
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Maria Aurèlia Capmany 69, Campus Montilivi, Girona, Catalonia 17003, Spain
- Department of Chemistry, University of Salerno, Via Ponte don Melillo, Fisciano, 84084 SA, Italy
| | - Lucia Caporaso
- Department of Chemistry, University of Salerno, Via Ponte don Melillo, Fisciano, 84084 SA, Italy
| | - Albert Poater
- Institut de Química Computacional i Catàlisi and Departament de Química, Universitat de Girona, c/Maria Aurèlia Capmany 69, Campus Montilivi, Girona, Catalonia 17003, Spain
| | - Luigi Cavallo
- Department of Chemistry, University of Salerno, Via Ponte don Melillo, Fisciano, 84084 SA, Italy
- KAUST Catalysis Center (KCC), King Abdullah University of Science & Technology, 23955-6900 Thuwal, Saudi Arabia
| | - Catherine S J Cazin
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Steven P Nolan
- Department of Chemistry and Center for Sustainable Chemistry, Ghent University, Krijgslaan 281, S-3, B-9000 Ghent, Belgium
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, New Jersey 07102, United States
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8
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Peddiahgari Vasu GR, Motakatla Venkata KR, Kakarla RR, Ranganath KVS, Aminabhavi TM. Recent advances in sustainable N-heterocyclic carbene-Pd(II)-pyridine (PEPPSI) catalysts: A review. ENVIRONMENTAL RESEARCH 2023; 225:115515. [PMID: 36842701 DOI: 10.1016/j.envres.2023.115515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2022] [Revised: 02/11/2023] [Accepted: 02/15/2023] [Indexed: 06/18/2023]
Abstract
Various catalysts in homogeneous or heterogeneous catalysis deploy unconventional reaction pathways by lowering the activation energy (AE) barrier, controlling the selectivity, and creating environmental impact, thereby bringing about economic viability. Hence, the study of these methodologies is of immense interest. To develop a new chemistry, there is much scope for the invention of brilliant candidates that could effectively catalyze diverse reaction methodologies. The palladium-catalyzed reactions motivate interesting applications on various organic transformations under mild reaction conditions. Although phosphorous designed ligands or catalysts have been used, despite their expensiveness, sensitivity and other properties, there is the necessity of developing even better cross-coupling ligands or catalysts such as N-heterocyclic carbene (NHC)-based palladium complexes. These palladium-NHCs (Pd-NHC) are novel and universal nucleophilic entities that have come into light as the most successful class of catalysts in organometallic chemistry. In the same class, a specific category of palladium-NHCs such as palladium-pyridine enhanced pre-catalyst preparation by the stabilization initiation (palladium-PEPPSI) complexes, are emerging as versatile alternatives to phosphine containing palladium complexes for various cross-coupling reactions due to their excellent catalytic activity. Further to mention that NHCs are recently extensively used as ancillary ligands in organometallic chemistry, which includes industrial-related catalytic transformations due to strong σ-donors to metal centres. Apart from this, many NHC-metal complexes are the fascinating consideration in material science as probable metallo-pharmaceuticals. The current review offers a brief exploration of palladium-PEPPSI complexes over the past few years. Further, the synthesis of a variety of these types of catalysts, their applications in Suzuki-Miyaura, Buchwald-Hartwig, Sonogashira, Negishi couplings direct C2-arylation, O-C(O) cleavage, α-arylation/alkylation of carbonyl compounds and trans-amidation reactions via cross-coupling methodologies, which are covered. Additionally, reported recent developments on reusable heterogeneous PdPEPPSI complexes and their catalytic applications are being covered. Finally, the chiral Pd complexes and their asymmetric transformations are discussed.
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Affiliation(s)
| | | | - Raghava Reddy Kakarla
- School Chemical Biomolecular Engineering, The University of Sydney, Sydney, NSW, 2006, Australia.
| | | | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580031, Karnataka, India; Karnatak University, Dharwad, 58003, India; University Center for Research & Development (UCRO), Chandigarh University, Gharuan, Mohali, 140413, Punjab, India.
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9
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Coordination Versatility of NHC-metal Topologies in Asymmetric Catalysis: Synthetic Insights and Recent Trends. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Sahu P, Jena AB, Barik S, Kisan HK, Isab AA, Dandapat J, Dinda J. Gold(III) assisted C-N bond dissociation; Synthesis, structure, photoluminescence, and pharmacokinetic studies of 1,10/- phenanthroline-gold(III)-N-heterocyclic carbene. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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11
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Liu C, Szostak M. Amide N-C Bond Activation: A Graphical Overview of Acyl and Decarbonylative Coupling. SYNOPEN 2023; 7:88-101. [PMID: 38037650 PMCID: PMC10686541 DOI: 10.1055/a-2035-6733] [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: 02/16/2023] Open
Abstract
This Graphical Review provides an overview of amide bond activation achieved by selective oxidative addition of the N-C(O) acyl bond to transition metals and nucleophilic acyl addition, resulting in acyl and decarbonylative coupling together with key mechanistic details pertaining to amide bond distortion underlying this reactivity manifold.
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Affiliation(s)
- Chengwei Liu
- Department of Chemistry, Shanghai University, 99 Shangda Road, Shanghai 200444, China
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
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12
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Huang J, Wang W, Zhang L, Meng X. Recent advances in the synthesis of benzo[b]thiophene fused polycyclic derivatives: strategies and reactions. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Kerackian T, Bouyssi D, Pilet G, Médebielle M, Monteiro N, Vantourout JC, Amgoune A. Nickel-Catalyzed Electro-Reductive Cross-Coupling of Aliphatic N-Acyl Imides with Alkyl Halides as a Strategy for Dialkyl Ketone Synthesis: Scope and Mechanistic Investigations. ACS Catal 2022. [DOI: 10.1021/acscatal.2c03268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Taline Kerackian
- Université Lyon, Université Lyon 1, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), 1 rue Victor Grignard, 69100 Villeurbanne, France
| | - Didier Bouyssi
- Université Lyon, Université Lyon 1, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), 1 rue Victor Grignard, 69100 Villeurbanne, France
| | - Guillaume Pilet
- Université Lyon, Université Lyon 1, Laboratoire des Multimatériaux et Interfaces (LMI, UMR 5615 du CNRS), 6 rue Victor Grignard, 69100 Villeurbanne, France
| | - Maurice Médebielle
- Université Lyon, Université Lyon 1, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), 1 rue Victor Grignard, 69100 Villeurbanne, France
| | - Nuno Monteiro
- Université Lyon, Université Lyon 1, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), 1 rue Victor Grignard, 69100 Villeurbanne, France
| | - Julien C. Vantourout
- Université Lyon, Université Lyon 1, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), 1 rue Victor Grignard, 69100 Villeurbanne, France
| | - Abderrahmane Amgoune
- Université Lyon, Université Lyon 1, Institut de Chimie et Biochimie Moléculaires et Supramoléculaires (ICBMS, UMR 5246 du CNRS), 1 rue Victor Grignard, 69100 Villeurbanne, France
- Institut Universitaire de France (IUF), 1 rue Descartes, 75231 Paris, France
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14
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Ye Y, Liu Z, Wang Y, Zhang Y, Yin F, He Q, Peng J, Tan K, Shen Y. N-Indole-substituted N-heterocyclic carbene palladium precatalysts: Synthesis, characterization and catalytic cross-couplings. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.154125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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15
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Zhao Q, Li G, Nareddy P, Jordan F, Lalancette R, Szostak R, Szostak M. Structures of the Most Twisted Thioamide and Selenoamide: Effect of Higher Chalcogens of Twisted Amides on N-C(X) Resonance. Angew Chem Int Ed Engl 2022; 61:e202207346. [PMID: 35776856 PMCID: PMC9398953 DOI: 10.1002/anie.202207346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Indexed: 11/09/2022]
Abstract
Amide bond replacement with planar isosteric chalcogen analogues has an important implication for the properties of the N-C(X) linkage in structural chemistry, biochemistry and organic synthesis. Herein, we report the first higher chalcogen derivatives of non-planar twisted amides. The synthesis of twisted thioamide in a versatile system has been accomplished by direct thionation without cleavage of the σ N-C bond. The synthesis of twisted selenoamide has been accomplished by selenation with Woollins' reagent. The structures of higher chalcogen analogues of non-planar amides were unambiguously confirmed by X-ray crystallography. Reactivity studies were conducted to determine the effect of isologous N-C(O) to N-C(X) replacement on the properties of the amide linkage. Computational studies were employed to evaluate structural and energetic parameters of amide bond alteration in higher chalcogen amides. The study provides the first experimental evidence on the effect of chalcogen isologues on the structural and electronic properties of the non-planar amide N-C(X) linkage.
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Affiliation(s)
- Qun Zhao
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Guangchen Li
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Pradeep Nareddy
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Frank Jordan
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Roger Lalancette
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
| | - Roman Szostak
- Department of Chemistry, Wroclaw University, F. Joliot-Curie 14, Wroclaw, 50-383, Poland
| | - Michal Szostak
- Department of Chemistry, Rutgers University, 73 Warren Street, Newark, NJ 07102, USA
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16
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He X, Hu S, Xiao Y, Yu L, Duan W. Access to Ketones through Palladium‐Catalyzed Cross‐Coupling of Phenol Derivatives with Nitroalkanes Followed by Nef Reaction. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Xiaoyu He
- Guangxi University College of Chemistry and Chemical Engineering 100 East Daxue Road Nanning CHINA
| | - Sengui Hu
- Guangxi University College of Chemistry and Chemical Engineering 100 East Daxue Road Nanning CHINA
| | - Yuxuan Xiao
- Guangxi University College of Chemistry and Chemical Engineering Nanning CHINA
| | - Lin Yu
- Guangxi University Chemistry No. 100, East Daxue Road 530004 Nanning CHINA
| | - Wengui Duan
- Guangxi University College of Chemistry and Chemical Engineering 100 East Daxue Road Nanning CHINA
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17
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Zhao Q, Li G, Nareddy P, Jordan F, Lalancette R, Szostak R, Szostak M. Structures of the Most Twisted Thioamide and Selenoamide: Effect of Higher Chalcogens of Twisted Amides on N–C(X) Resonance. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202207346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Qun Zhao
- Rutgers University: Rutgers The State University of New Jersey Chemistry UNITED STATES
| | - Guangchen Li
- Rutgers University: Rutgers The State University of New Jersey Chemistry UNITED STATES
| | - Pradeep Nareddy
- Rutgers University: Rutgers The State University of New Jersey Chemistry UNITED STATES
| | - Frank Jordan
- Rutgers University System: Rutgers The State University of New Jersey Chemistry UNITED STATES
| | - Roger Lalancette
- Rutgers University System: Rutgers The State University of New Jersey Chemistry UNITED STATES
| | - Roman Szostak
- Uniwersytet Wroclawski Wydzial Chemii Chemistry UNITED STATES
| | - Michal Szostak
- Rutgers University Department of Chemistry 73 Warren St. 07102 Newark UNITED STATES
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18
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Wu FW, Mao YJ, Pu J, Li HL, Ye P, Xu ZY, Lou SJ, Xu DQ. Ni-catalysed deamidative fluorination of amides with electrophilic fluorinating reagents. Org Biomol Chem 2022; 20:4091-4095. [PMID: 35522070 DOI: 10.1039/d2ob00519k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We describe here a Ni-catalysed deamidative fluorination of diverse amides with electrophilic fluorinating reagents. Different types of amides including aromatic amides and olefinic amides were well compatible, affording the corresponding acyl fluorides in good to excellent yields.
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Affiliation(s)
- Feng-Wei Wu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Yang-Jie Mao
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Jun Pu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Huan-Le Li
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Peng Ye
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Zhen-Yuan Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Shao-Jie Lou
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
| | - Dan-Qian Xu
- Catalytic Hydrogenation Research Center, State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, Key Laboratory of Green Pesticides and Cleaner Production Technology of Zhejiang Province, Zhejiang University of Technology, Hangzhou 310014, P. R. China.
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19
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Fang J, Min Q, Qin H, Liu F. Intermolecular Acylation with Acylphosphonates as Alkyl Radical Receptor under Metal-Free Conditions. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202207044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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20
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Xu Y, Long Y, Ye R, Li Q, Ke F, Zhou X. Fe( iii)-catalysed selective C–N bond cleavage of N-phenylamides by an electrochemical method. RSC Adv 2022; 12:24217-24221. [PMID: 36128521 PMCID: PMC9403817 DOI: 10.1039/d2ra04709h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 08/17/2022] [Indexed: 11/21/2022] Open
Abstract
An Fe(iii)-catalysed transformation of secondary N-phenyl substituted amides to primary amides by an electrochemical method is developed. Regioselective aryl C–H oxygenation occurs during the reaction, promoting selective C(phenyl)-N bond cleavage to form primary amides in yields of up to 92%. An Fe(iii)-catalysed transformation of secondary N-phenyl substituted amides to primary amides by an electrochemical method is developed.![]()
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Affiliation(s)
- Yiwen Xu
- College of Chemistry, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Yang Long
- College of Chemistry, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Runyou Ye
- College of Chemistry, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Qiang Li
- College of Chemistry, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
| | - Fang Ke
- School of Pharmacy, Fujian Provincial Key Laboratory of Natural Medicine Pharmacology, Fujian Medical University, Fuzhou 350004, China
| | - Xiangge Zhou
- College of Chemistry, Sichuan University, Wangjiang Road 29, Chengdu 610064, China
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