1
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Chérif I, Gassoumi B, Ayachi H, Echabaane M, Caccamo MT, Magazù S, Said AH, Taoufik B, Ayachi S. A theoretical and electrochemical impedance spectroscopy study of the adsorption and sensing of selected metal ions by 4-morpholino-7-nitrobenzofuran. Heliyon 2024; 10:e26709. [PMID: 38439845 PMCID: PMC10909671 DOI: 10.1016/j.heliyon.2024.e26709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/06/2024] Open
Abstract
The selectivity of a novel chemosensor, based on a modified nitrobenzofurazan referred to as NBD-Morph, has been investigated for the detection of heavy metal cations (Co2+, Pb2+, Mg2+, Ag+, Cu2+, Hg2+, Ni2+, and Zn2+). The ligand, 4-morpholino-7-nitrobenzofurazan (NBD-Morph), was characterized using spectroscopic techniques including FT-IR and 1H NMR. Vibrational frequencies obtained from FT-IR and proton NMR (1H) chemical shifts were accurately predicted employing the density functional theory (DFT) at the B3LYP level of theory. Furthermore, an examination of the structural, electronic, and quantum chemical properties was conducted and discussed. DFT calculations were employed to explore the complex formation ability of the NBD-Morph ligand with Co2+, Pb2+, Mg2+, Ag+, Cu2+, Hg2+, Ni2+, and Zn2+ metal cations. The comparison of adsorption energies for all possible conformations reveals that NBD-Morph exhibits sensitivity and selectivity towards metal ions, including Pb2+, Cu2+, Ag+, and Ni2+. However, an assessment of their reactivity using QTAIM topological parameters demonstrated the ligand's greater complexation ability toward Cu2+ or Ni2+ than those formed by Pb2+ or Ag+. Additionally, molecular electrostatic potential (MEP), Hirshfeld surfaces, and their associated 2D-fingerprint plots were applied to a detailed study of the inter-molecular interactions in NBD-Morph-X (X = Pb2+, Cu2+, Ag+, Ni2+) complexes. The electron localization function (ELF) and the localized-orbital locator (LOL) were generated to investigate the charge transfer and donor-acceptor interactions within the complexes. Electrochemical analysis further corroborates the theoretical findings, supporting the prediction of NBD-Morph's sensory ability towards Ni2+ metal cations. In conclusion, NBD-Morph stands out as a promising sensor for Ni2+.
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Affiliation(s)
- Imen Chérif
- Laboratory of Physico-Chemistry of Materials (LR01ES19), Faculty of Sciences, Avenue of the Environment 5019 Monastir, University of Monastir, Tunisia
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, Viale Ferdinando Stagno D'Alcontres No. 31, S. Agata, 98166, Messina, Italy
| | - Bouzid Gassoumi
- Laboratoire Interfaces et Matériaux Avancés (LIMA), Faculté des Sciences, Université de Monastir, Avenue de l’Environnement, 5019, Monastir, Tunisia
| | - Hajer Ayachi
- Laboratoire de Chimie Hétérocyclique, Produits Naturels et Réactivité (LR11ES39), Faculté des Sciences, Université de Monastir, Avenue de l’Environnement, 5019, Monastir, Tunisia
| | - Mosaab Echabaane
- CRMN, Centre de Recherche en Microélectronique et Nanotechnologie de Sousse, Nanomisene, LR16CRMN01, 4054, Sousse, Tunisie
| | - Maria Teresa Caccamo
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, Viale Ferdinando Stagno D'Alcontres No. 31, S. Agata, 98166, Messina, Italy
| | - Salvatore Magazù
- Dipartimento di Scienze Matematiche e Informatiche, Scienze Fisiche e Scienze della Terra, Università di Messina, Viale Ferdinando Stagno D'Alcontres No. 31, S. Agata, 98166, Messina, Italy
| | - Ayoub Haj Said
- Laboratoire Interfaces et Matériaux Avancés (LIMA), Faculté des Sciences, Université de Monastir, Avenue de l’Environnement, 5019, Monastir, Tunisia
| | - Boubaker Taoufik
- Laboratoire de Chimie Hétérocyclique, Produits Naturels et Réactivité (LR11ES39), Faculté des Sciences, Université de Monastir, Avenue de l’Environnement, 5019, Monastir, Tunisia
| | - Sahbi Ayachi
- Laboratory of Physico-Chemistry of Materials (LR01ES19), Faculty of Sciences, Avenue of the Environment 5019 Monastir, University of Monastir, Tunisia
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2
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Bayat M, Gheidari D, Mehrdad M. Recent advances in synthesis of ketenimines. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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3
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Shen J, Wu Z, Liu Y, Bai Y, Qiu J, Zhang Z, Yuan Z, Zhu G. Radical Chain Isomerization of N-Sulfonyl Ynamides to Ketenimines and Its Application to Furan Dearomatization. Org Lett 2021; 23:9321-9326. [PMID: 34806892 DOI: 10.1021/acs.orglett.1c03729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A radical chain isomerization of N-sulfonyl ynamides to isolable ketenimines is developed, featuring mild reaction conditions, a high efficiency, ∼100% atom economy, a broad substrate scope, and column chromatography-free workup in most cases. Meanwhile, an unprecedented dearomatization of furans is achieved by the radical chain isomerization-triggered aza-Claisen rearrangement, providing highly chemo-, regio-, stereo-, and diastereoselective access to functionalized quaternary nitriles.
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Affiliation(s)
- Jiahuan Shen
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Zhenzhen Wu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Yi Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Yihui Bai
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Jiayan Qiu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Zuxiao Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Zheliang Yuan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
| | - Gangguo Zhu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Department of Chemistry, Zhejiang Normal University, 688 Yingbin Road, Jinhua 321004, P. R. China
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Lavernhe R, Torres-Ochoa RO, Wang Q, Zhu J. Copper-Catalyzed Aza-Sonogashira Cross-Coupling To Form Ynimines: Development and Application to the Synthesis of Heterocycles. Angew Chem Int Ed Engl 2021; 60:24028-24033. [PMID: 34469033 PMCID: PMC8596870 DOI: 10.1002/anie.202110901] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Indexed: 12/14/2022]
Abstract
Nitrogen‐substituted alkynes, such as ynamines and ynamides, are versatile synthetic building blocks. Ynimines bearing additional nucleophilic and electrophilic centers relative to ynamines and ynamides are expected to have high synthetic potential. However, their chemical reactivity remains unexplored owing mainly to the lack of synthetic accessibility. We report herein a versatile copper‐catalyzed synthesis of ynimines from readily available O‐acetyl ketoximes and terminal alkynes. A wide range of O‐acetyl ketoximes derived from diaryl ketones, aryl alkyl ketones and dialkyl ketones underwent cross‐coupling with a diverse set of terminal alkynes to afford the ynimines in good to excellent yields. An unprecedented [5+1] heteroannulation reaction exploiting the reactivity of the ynimine generated in situ was subsequently developed for the synthesis of medicinally important heterocycles, including isoquinolines, azaindoles, azabenzofurans, azabenzothiophenes and carbolines.
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Affiliation(s)
- Rémi Lavernhe
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federal de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Rubén O Torres-Ochoa
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federal de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland.,Instituto de Química, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, Coyoacán, Ciudad de México, 04510, México
| | - Qian Wang
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federal de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federal de Lausanne, EPFL-SB-ISIC-LSPN, BCH 5304, 1015, Lausanne, Switzerland
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5
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Lavernhe R, Torres‐Ochoa RO, Wang Q, Zhu J. Copper‐Catalyzed Aza‐Sonogashira Cross‐Coupling To Form Ynimines: Development and Application to the Synthesis of Heterocycles. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202110901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Rémi Lavernhe
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Federal de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Rubén O. Torres‐Ochoa
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Federal de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
- Instituto de Química Universidad Nacional Autónoma de México Circuito Exterior Ciudad Universitaria, Coyoacán Ciudad de México 04510 México
| | - Qian Wang
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Federal de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
| | - Jieping Zhu
- Laboratory of Synthesis and Natural Products Institute of Chemical Sciences and Engineering Ecole Polytechnique Federal de Lausanne EPFL-SB-ISIC-LSPN, BCH 5304 1015 Lausanne Switzerland
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6
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Thilmany P, Guarnieri-Ibáñez A, Jacob C, Lacour J, Evano G. Straightforward Synthesis of Indenes by Gold-Catalyzed Intramolecular Hydroalkylation of Ynamides. ACS ORGANIC & INORGANIC AU 2021; 2:53-58. [PMID: 36855401 PMCID: PMC9954284 DOI: 10.1021/acsorginorgau.1c00021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
An original and straightforward entry to polysubstituted indenes from readily available ynamides is reported. Upon reaction with a N-heterocyclic carbene-gold complex under mild conditions, activated keteniminium ions are generated whose unique electrophilicity triggers a [1,5]-hydride shift and a subsequent cyclization. The presence of an endocyclic enamide in the densely functionalized resulting indenes was shown to be especially useful and versatile, offering a range of opportunities for their further postfunctionalization.
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Affiliation(s)
- Pierre Thilmany
- Laboratoire
de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050 Brussels, Belgium
| | - Alejandro Guarnieri-Ibáñez
- Department
of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland
| | - Clément Jacob
- Laboratoire
de Chimie Organique, Service de Chimie et PhysicoChimie 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
| | - Jérôme Lacour
- Department
of Organic Chemistry, University of Geneva, Quai Ernest Ansermet 30, 1211 Geneva 4, Switzerland
| | - Gwilherm Evano
- Laboratoire
de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050 Brussels, Belgium,
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7
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Thilmany P, Evano G. Efficient and Divergent Synthesis of α‐Halogenated Amides and Esters by Double Electrophilic Activation of Ynamides. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201911722] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Pierre Thilmany
- Laboratoire de Chimie Organique Service de Chimie et PhysicoChimie Organiques Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique Service de Chimie et PhysicoChimie Organiques Université libre de Bruxelles (ULB) Avenue F. D. Roosevelt 50, CP160/06 1050 Brussels Belgium
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8
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Thilmany P, Evano G. Efficient and Divergent Synthesis of α-Halogenated Amides and Esters by Double Electrophilic Activation of Ynamides. Angew Chem Int Ed Engl 2019; 59:242-246. [PMID: 31637817 DOI: 10.1002/anie.201911722] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Indexed: 11/07/2022]
Abstract
An efficient and modular entry to α-halogenated amides and esters is reported. This reaction is based on an underestimated double electrophilic activation of ynamides sequentially involving highly reactive activated keteniminium and iminium ions. Upon simple reaction with HCl and an electrophilic halogenation reagent in the presence of water or an alcohol, a broad range of ynamides can be transformed, in a highly divergent manner, to α-halo amides and esters with high efficiency and under mild conditions.
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Affiliation(s)
- Pierre Thilmany
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050, Brussels, Belgium
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9
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From isonitrile to nitrile via ketenimine intermediate: Palladium-catalyzed 1,1-carbocyanation of allyl carbonate by α-isocyanoacetate. Tetrahedron 2018. [DOI: 10.1016/j.tet.2018.10.032] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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10
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Theunissen C, Métayer B, Lecomte M, Henry N, Chan HC, Compain G, Gérard P, Bachmann C, Mokhtari N, Marrot J, Martin-Mingot A, Thibaudeau S, Evano G. Cationic polycyclization of ynamides: building up molecular complexity. Org Biomol Chem 2018; 15:4399-4416. [PMID: 28485455 DOI: 10.1039/c7ob00850c] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Polycyclization reactions are among the most efficient synthetic tools for the synthesis of complex, polycyclic molecules in a single operation from simple starting materials. We report in this manuscript a full account on the discovery and development of a novel cationic polycyclization from readily available ynamides. Simple activation of these building blocks under acidic conditions enables the generation of highly reactive activated keteniminium ions, which triggers an unprecedented cationic polycyclization yielding highly substituted polycyclic nitrogen heterocycles possessing up to seven fused cycles and three contiguous stereocenters.
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Affiliation(s)
- Cédric Theunissen
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050 Brussels, Belgium.
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11
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Sun J, Cheng X, Mansaray JK, Fei W, Wan J, Yao W. A copper-catalyzed three component reaction of aryl acetylene, sulfonyl azide and enaminone to form iminolactone via 6π electrocyclization. Chem Commun (Camb) 2018; 54:13953-13956. [DOI: 10.1039/c8cc06868b] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
We developed a copper-catalyzed three component reaction of aryl acetylene, enaminone and sulfonyl azide to construct iminolactone via copper-catalyzed alkyne–azide cycloaddition (CuAAC), Michael addition of metalated ketenimine followed by elimination and 6π electrocyclization.
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Affiliation(s)
- Jiarui Sun
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou
- P. R. China
| | - Xiangsheng Cheng
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou
- P. R. China
| | | | - Weihong Fei
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou
- P. R. China
| | - Jieping Wan
- College of Chemistry and Chemical Engineering
- Jiangxi Normal University
- Nanchang 330022
- P. R. China
| | - Weijun Yao
- Department of Chemistry
- Zhejiang Sci-Tech University
- Hangzhou
- P. R. China
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12
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Dodd RH, Cariou K. Ketenimines Generated from Ynamides: Versatile Building Blocks for Nitrogen-Containing Scaffolds. Chemistry 2017; 24:2297-2304. [DOI: 10.1002/chem.201704689] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Indexed: 12/26/2022]
Affiliation(s)
- Robert H. Dodd
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Kevin Cariou
- Institut de Chimie des Substances Naturelles, CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
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13
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Romero E, Minard C, Benchekroun M, Ventre S, Retailleau P, Dodd RH, Cariou K. Base-Mediated Generation of Ketenimines from Ynamides: Direct Access to Azetidinimines by an Imino-Staudinger Synthesis. Chemistry 2017. [DOI: 10.1002/chem.201702545] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Eugénie Romero
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Corinne Minard
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Mohamed Benchekroun
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Sandrine Ventre
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Pascal Retailleau
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Robert H. Dodd
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
| | - Kevin Cariou
- Institut de Chimie des Substances Naturelles; CNRS UPR 2301; Université Paris-Sud, Université Paris-Saclay; Avenue de la Terrasse 91198 Gif-sur-Yvette France
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15
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Evano G, Blanchard N, Compain G, Coste A, Demmer CS, Gati W, Guissart C, Heimburger J, Henry N, Jouvin K, Karthikeyan G, Laouiti A, Lecomte M, Martin-Mingot A, Métayer B, Michelet B, Nitelet A, Theunissen C, Thibaudeau S, Wang J, Zarca M, Zhang C. A Journey in the Chemistry of Ynamides: From Synthesis to Applications. CHEM LETT 2016. [DOI: 10.1246/cl.160260] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | | | | | - Alexis Coste
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines
| | - Charles S. Demmer
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Wafa Gati
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines
| | - Céline Guissart
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Jérémy Heimburger
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines
| | - Nicolas Henry
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Kévin Jouvin
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines
| | - Ganesan Karthikeyan
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines
| | - Anouar Laouiti
- Institut Lavoisier de Versailles, UMR CNRS 8180, Université de Versailles Saint-Quentin-en-Yvelines
| | - Morgan Lecomte
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | | | - Benoît Métayer
- Superacid Group in “Organic Synthesis” Team, Université de Poitiers
| | - Bastien Michelet
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Antoine Nitelet
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Cédric Theunissen
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | | | - Jianjun Wang
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Maxence Zarca
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
| | - Chunyang Zhang
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB)
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16
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Lecomte M, Evano G. Harnessing the Electrophilicity of Keteniminium Ions: A Simple and Straightforward Entry to Tetrahydropyridines and Piperidines from Ynamides. Angew Chem Int Ed Engl 2016; 55:4547-51. [PMID: 26934474 PMCID: PMC5069598 DOI: 10.1002/anie.201510729] [Citation(s) in RCA: 78] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 02/04/2016] [Indexed: 01/17/2023]
Abstract
An efficient, modular and straightforward entry to tetrahydropyridines and piperidines is reported. This reaction is based on a formal intramolecular hydroalkylation of readily available, properly substituted ynamides which, upon simple activation under acidic conditions, generate highly reactive activated keteniminium ions whose reactivity can be finely controlled to induce a remarkably efficient [1,5]-hydride shift from unactivated C-H bonds and trigger a cationic cyclization which is complete within minutes.
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Affiliation(s)
- Morgan Lecomte
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050, Bruxelles, Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique, Service de Chimie et PhysicoChimie Organiques, Université libre de Bruxelles (ULB), Avenue F. D. Roosevelt 50, CP160/06, 1050, Bruxelles, Belgium.
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17
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Lecomte M, Evano G. Harnessing the Electrophilicity of Keteniminium Ions: A Simple and Straightforward Entry to Tetrahydropyridines and Piperidines from Ynamides. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201510729] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Morgan Lecomte
- Laboratoire de Chimie Organique; Service de Chimie et PhysicoChimie Organiques; Université libre de Bruxelles (ULB); Avenue F. D. Roosevelt 50, CP160/06 1050 Bruxelles Belgium
| | - Gwilherm Evano
- Laboratoire de Chimie Organique; Service de Chimie et PhysicoChimie Organiques; Université libre de Bruxelles (ULB); Avenue F. D. Roosevelt 50, CP160/06 1050 Bruxelles Belgium
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Evano G, Jouvin K, Theunissen C, Guissart C, Laouiti A, Tresse C, Heimburger J, Bouhoute Y, Veillard R, Lecomte M, Nitelet A, Schweizer S, Blanchard N, Alayrac C, Gaumont AC. Turning unreactive copper acetylides into remarkably powerful and mild alkyne transfer reagents by oxidative umpolung. Chem Commun (Camb) 2014; 50:10008-18. [DOI: 10.1039/c4cc03198a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Upon oxidation, copper acetylides formally behave as highly electrophilic species that could be trapped by a wide range of nucleophiles.
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Affiliation(s)
- G. Evano
- Laboratoire de Chimie Organique
- Service de Chimie et PhysicoChimie Organiques
- Université Libre de Bruxelles
- 1050 Brussels, Belgium
| | - K. Jouvin
- Institut Lavoisier de Versailles
- UMR CNRS 8180
- Université de Versailles Saint-Quentin-en-Yvelines
- 78035 Versailles Cedex, France
| | - C. Theunissen
- Laboratoire de Chimie Organique
- Service de Chimie et PhysicoChimie Organiques
- Université Libre de Bruxelles
- 1050 Brussels, Belgium
| | - C. Guissart
- Laboratoire de Chimie Organique
- Service de Chimie et PhysicoChimie Organiques
- Université Libre de Bruxelles
- 1050 Brussels, Belgium
| | - A. Laouiti
- Institut Lavoisier de Versailles
- UMR CNRS 8180
- Université de Versailles Saint-Quentin-en-Yvelines
- 78035 Versailles Cedex, France
- Laboratoire de Chimie Hétérocyclique
| | - C. Tresse
- Laboratoire de Chimie Organique et Bioorganique
- Université de Haute-Alsace-ENSCMu
- 68093 Mulhouse cedex, France
| | - J. Heimburger
- Institut Lavoisier de Versailles
- UMR CNRS 8180
- Université de Versailles Saint-Quentin-en-Yvelines
- 78035 Versailles Cedex, France
| | - Y. Bouhoute
- Laboratoire de Chimie Organique
- Service de Chimie et PhysicoChimie Organiques
- Université Libre de Bruxelles
- 1050 Brussels, Belgium
| | - R. Veillard
- Laboratoire de Chimie Moléculaire et Thioorganique
- UMR CNRS 6507
- INC3M
- FR3038
- ENSICAEN & Université de Caen Basse-Normandie
| | - M. Lecomte
- Laboratoire de Chimie Organique
- Service de Chimie et PhysicoChimie Organiques
- Université Libre de Bruxelles
- 1050 Brussels, Belgium
| | - A. Nitelet
- Laboratoire de Chimie Organique
- Service de Chimie et PhysicoChimie Organiques
- Université Libre de Bruxelles
- 1050 Brussels, Belgium
| | - S. Schweizer
- Laboratoire de Chimie Organique et Bioorganique
- Université de Haute-Alsace-ENSCMu
- 68093 Mulhouse cedex, France
| | - N. Blanchard
- Laboratoire de Chimie Moléculaire
- ECPM-CNRS UMR7509
- Université de Strasbourg
- 67087 Strasbourg, France
| | - C. Alayrac
- Laboratoire de Chimie Moléculaire et Thioorganique
- UMR CNRS 6507
- INC3M
- FR3038
- ENSICAEN & Université de Caen Basse-Normandie
| | - A.-C. Gaumont
- Laboratoire de Chimie Moléculaire et Thioorganique
- UMR CNRS 6507
- INC3M
- FR3038
- ENSICAEN & Université de Caen Basse-Normandie
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