1
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Kefauver JM, Hakala M, Zou L, Alba J, Espadas J, Tettamanti MG, Gajić J, Gabus C, Campomanes P, Estrozi LF, Sen NE, Vanni S, Roux A, Desfosses A, Loewith R. Cryo-EM architecture of a near-native stretch-sensitive membrane microdomain. Nature 2024:10.1038/s41586-024-07720-6. [PMID: 39048819 DOI: 10.1038/s41586-024-07720-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 06/14/2024] [Indexed: 07/27/2024]
Abstract
Biological membranes are partitioned into functional zones termed membrane microdomains, which contain specific lipids and proteins1-3. The composition and organization of membrane microdomains remain controversial because few techniques are available that allow the visualization of lipids in situ without disrupting their native behaviour3,4. The yeast eisosome, composed of the BAR-domain proteins Pil1 and Lsp1 (hereafter, Pil1/Lsp1), scaffolds a membrane compartment that senses and responds to mechanical stress by flattening and releasing sequestered factors5-9. Here we isolated near-native eisosomes as helical tubules made up of a lattice of Pil1/Lsp1 bound to plasma membrane lipids, and solved their structures by helical reconstruction. Our structures reveal a striking organization of membrane lipids, and, using in vitro reconstitutions and molecular dynamics simulations, we confirmed the positioning of individual PI(4,5)P2, phosphatidylserine and sterol molecules sequestered beneath the Pil1/Lsp1 coat. Three-dimensional variability analysis of the native-source eisosomes revealed a dynamic stretching of the Pil1/Lsp1 lattice that affects the sequestration of these lipids. Collectively, our results support a mechanism in which stretching of the Pil1/Lsp1 lattice liberates lipids that would otherwise be anchored by the Pil1/Lsp1 coat, and thus provide mechanistic insight into how eisosome BAR-domain proteins create a mechanosensitive membrane microdomain.
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Affiliation(s)
- Jennifer M Kefauver
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland
- Nanomaterials and Nanotechnology Research Center (CINN), Spanish National Research Council (CSIC), El Entrego, Spain
| | - Markku Hakala
- Department of Biochemistry, University of Geneva, Geneva, Switzerland
| | - Luoming Zou
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland
| | - Josephine Alba
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Javier Espadas
- Department of Biochemistry, University of Geneva, Geneva, Switzerland
| | - Maria G Tettamanti
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland
- Department of Biochemistry, University of Geneva, Geneva, Switzerland
| | - Jelena Gajić
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland
- Department of Organic Chemistry, University of Geneva, Geneva, Switzerland
| | - Caroline Gabus
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland
| | - Pablo Campomanes
- Department of Biology, University of Fribourg, Fribourg, Switzerland
| | - Leandro F Estrozi
- Institut de Biologie Structurale, Université Grenoble Alpes, CEA, CNRS, IBS, Grenoble, France
| | - Nesli E Sen
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland
| | - Stefano Vanni
- Department of Biology, University of Fribourg, Fribourg, Switzerland
- Swiss National Center for Competence in Research (NCCR) Bio-inspired Materials, University of Fribourg, Fribourg, Switzerland
| | - Aurélien Roux
- Department of Biochemistry, University of Geneva, Geneva, Switzerland
| | - Ambroise Desfosses
- Institut de Biologie Structurale, Université Grenoble Alpes, CEA, CNRS, IBS, Grenoble, France
| | - Robbie Loewith
- Department of Molecular and Cellular Biology, University of Geneva, Geneva, Switzerland.
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2
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Huang W, Gunawardhana N, Zhang Y, Escorihuela J, Laughlin ST. Pyranthiones/Pyrones: "Click and Release" Donors for Subcellular Hydrogen Sulfide Delivery and Labeling. Chemistry 2024; 30:e202303465. [PMID: 37985373 DOI: 10.1002/chem.202303465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/15/2023] [Accepted: 11/17/2023] [Indexed: 11/22/2023]
Abstract
Hydrogen sulfide (H2 S), one of the most important gasotransmitters, plays a critical role in endogenous signaling pathways of many diseases. However, developing H2 S donors with both tunable release kinetics and high release efficiency for subcellular delivery has been challenging. Here, we describe a click and release reaction between pyrone/pyranthiones and bicyclononyne (BCN). This reaction features a release of CO2 /COS with second-order rate constants comparable to Strain-Promoted Azide-Alkyne Cycloaddition reactions (SPAACs). Interestingly, pyranthiones showed enhanced reaction rates compared to their pyrone counterparts. We investigated pyrone biorthogonality and demonstrated their utility in protein labeling applications. Moreover, we synthesized substituted pyranthiones with H2 S release kinetics that can address the range of physiologically relevant H2 S dynamics in cells and achieved quantitative H2 S release efficiency in vitro. Finally, we explored the potential of pyranthiones as H2 S/COS donors for mitochondrial-targeted H2 S delivery in living cells.
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Affiliation(s)
- Wei Huang
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
| | - Nipuni Gunawardhana
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
| | - Yunlei Zhang
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
| | - Jorge Escorihuela
- Departamento de Química Orgánica, Universitat de València, Avda. Vicente Andrés Estellés s/n, Burjassot, 46100, Valencia, Spain
| | - Scott T Laughlin
- Department of Chemistry, Stony Brook University, 100 Nicolls Road, Stony Brook, NY 11790, United States
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3
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Mondal J, Sivaramakrishna A. Functionalized Triazines and Tetrazines: Synthesis and Applications. Top Curr Chem (Cham) 2022; 380:34. [PMID: 35737142 DOI: 10.1007/s41061-022-00385-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Accepted: 05/13/2022] [Indexed: 12/19/2022]
Abstract
The molecules possessing triazine and tetrazine moieties belong to a special class of heterocyclic compounds. Both triazines and tetrazines are building blocks and have provided a new dimension to the design of biologically important organic molecules. Several of their derivatives with fine-tuned electronic properties have been identified as multifunctional, adaptable, switchable, remarkably antifungal, anticancer, antiviral, antitumor, cardiotonic, anti-HIV, analgesic, anti-protozoal, etc. The objective of this review is to comprehensively describe the recent developments in synthesis, coordination properties, and various applications of triazine and tetrazine molecules. The rich literature demonstrates various synthetic routes for a variety of triazines and tetrazines through microwave-assisted, solid-phase, metal-based, [4+2] cycloaddition, and multicomponent one-pot reactions. Synthetic approaches contain linear, angular, and fused triazine and tetrazine heterocycles through a combinatorial method. Notably, the triazines and tetrazines undergo a variety of organic transformations, including electrophilic addition, coupling, nucleophilic displacement, and intramolecular cyclization. The mechanistic aspects of these heterocycles are discussed in a detailed way. The bioorthogonal application of these polyazines with various strained alkenes and alkynes provides a new prospect for investigations in chemical biology. This review systematically encapsulates the recent developments and challenges in the synthesis and possible potential applications of various triazine and tetrazine systems.
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Affiliation(s)
- Joydip Mondal
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632 014, India
| | - Akella Sivaramakrishna
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore, Tamil Nadu, 632 014, India.
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4
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Zhang X, Xu H, Li J, Su D, Mao W, Shen G, Li L, Wu H. Isonitrile induced bioorthogonal activation of fluorophores and mutually orthogonal cleavage in live cells. Chem Commun (Camb) 2021; 58:573-576. [PMID: 34913446 DOI: 10.1039/d1cc05774j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Fluorophores with different emission wavelengths were efficiently quenched by a tert-butyl terminated tetrazylmethyl group and activated by an isonitrile-tetrazine click-to-release reaction. Nucleic acid templated chemistry significantly accelerated this bioorthogonal cleavage. Moreover, two mutually orthogonal fluorogenic cleavage reactions were simultaneously conducted in live cells for the first time.
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Affiliation(s)
- Xiaoyang Zhang
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Hui Xu
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Jie Li
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Dunyan Su
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Wuyu Mao
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.
| | - Guohua Shen
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lin Li
- Laboratory of Clinical Nuclear Medicine, Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Haoxing Wu
- Huaxi MR Research Center, Department of Radiology, Functional and Molecular Imaging Key Laboratory of Sichuan Province, National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu 610041, China.
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Alkyne-Functionalized Cyclooctyne on Si(001): Reactivity Studies and Surface Bonding from an Energy Decomposition Analysis Perspective. Molecules 2021; 26:molecules26216653. [PMID: 34771062 PMCID: PMC8586998 DOI: 10.3390/molecules26216653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Revised: 10/26/2021] [Accepted: 10/27/2021] [Indexed: 11/18/2022] Open
Abstract
The reactivity and bonding of an ethinyl-functionalized cyclooctyne on Si(001) is studied by means of density functional theory. This system is promising for the organic functionalization of semiconductors. Singly bonded adsorption structures are obtained by [2 + 2] cycloaddition reactions of the cyclooctyne or ethinyl group with the Si(001) surface. A thermodynamic preference for adsorption with the cyclooctyne group in the on-top position is found and traced back to minimal structural deformation of the adsorbate and surface with the help of energy decomposition analysis for extended systems (pEDA). Starting from singly bonded structures, a plethora of reaction paths describing conformer changes and consecutive reactions with the surface are discussed. Strongly exothermic and exergonic reactions to doubly bonded structures are presented, while small reaction barriers highlight the high reactivity of the studied organic molecule on the Si(001) surface. Dynamic aspects of the competitive bonding of the functional groups are addressed by ab initio molecular dynamics calculations. Several trajectories for the doubly bonded structures are obtained in agreement with calculations using the nudged elastic band approach. However, our findings disagree with the experimental observations of selective adsorption by the cyclooctyne moiety, which is critically discussed.
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6
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Glaser T, Meinecke J, Freund L, Länger C, Luy JN, Tonner R, Koert U, Dürr M. Click Chemistry in Ultra-high Vacuum - Tetrazine Coupling with Methyl Enol Ether Covalently Linked to Si(001). Chemistry 2021; 27:8082-8087. [PMID: 33848381 PMCID: PMC8252806 DOI: 10.1002/chem.202005371] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Indexed: 11/23/2022]
Abstract
The additive‐free tetrazine/enol ether click reaction was performed in ultra‐high vacuum (UHV) with an enol ether group covalently linked to a silicon surface: Dimethyl 1,2,4,5‐tetrazine‐3,6‐dicarboxylate molecules were coupled to the enol ether group of a functionalized cyclooctyne which was adsorbed on the silicon (001) surface via the strained triple bond of cyclooctyne. The reaction was observed at a substrate temperature of 380 K by means of X‐ray photoelectron spectroscopy (XPS). A moderate energy barrier was deduced for this click reaction in vacuum by means of density functional theory based calculations, in good agreement with the experimental results. This UHV‐compatible click reaction thus opens a new, flexible route for synthesizing covalently bound organic architectures.
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Affiliation(s)
- Timo Glaser
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, 35392, Giessen, Germany
| | - Jannick Meinecke
- Fachbereich Chemie, Philipps-Universität Marburg, 35032, Marburg, Germany
| | - Lukas Freund
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, 35392, Giessen, Germany
| | - Christian Länger
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, 35392, Giessen, Germany
| | - Jan-Niclas Luy
- Fachbereich Chemie, Philipps-Universität Marburg, 35032, Marburg, Germany.,Current address:, Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, 04103, Leipzig, Germany.,Fakultät für Chemie und Pharmazie, Universität Regensburg, 93053, Regensburg, Germany
| | - Ralf Tonner
- Fachbereich Chemie, Philipps-Universität Marburg, 35032, Marburg, Germany.,Fakultät für Chemie und Pharmazie, Universität Regensburg, 93053, Regensburg, Germany
| | - Ulrich Koert
- Fachbereich Chemie, Philipps-Universität Marburg, 35032, Marburg, Germany
| | - Michael Dürr
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, 35392, Giessen, Germany
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7
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Luy JN, Molla M, Pecher L, Tonner R. Efficient hierarchical models for reactivity of organic layers on semiconductor surfaces. J Comput Chem 2021; 42:827-839. [PMID: 33617671 DOI: 10.1002/jcc.26503] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 01/20/2021] [Accepted: 02/03/2021] [Indexed: 01/23/2023]
Abstract
Computational modeling of organic interface formation on semiconductors poses a challenge to a density functional theory-based description due to structural and chemical complexity. A hierarchical approach is presented, where parts of the interface are successively removed in order to increase computational efficiency while maintaining the necessary accuracy. First, a benchmark is performed to probe the validity of this approach for three model reactions and five dispersion corrected density functionals. Reaction energies are generally well reproduced by generalized gradient approximation-type functionals but accurate reaction barriers require the use of hybrid functionals. Best performance is found for the model system that does not explicitly consider the substrate but includes its templating effects. Finally, this efficient model is used to provide coverage dependent reaction energies and suggest synthetic principles for the prevention of unwanted growth termination reactions for organic layers on semiconductor surfaces.
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Affiliation(s)
- Jan-Niclas Luy
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg, Germany.,Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, Leipzig, Germany
| | - Mahlet Molla
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg, Germany
| | - Lisa Pecher
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg, Germany
| | - Ralf Tonner
- Fachbereich Chemie, Philipps-Universität Marburg, Marburg, Germany.,Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, Leipzig, Germany
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8
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Glaser T, Meinecke J, Länger C, Luy JN, Tonner R, Koert U, Dürr M. Combined XPS and DFT investigation of the adsorption modes of methyl enol ether functionalized cyclooctyne on Si(001). Chemphyschem 2021; 22:404-409. [PMID: 33259128 PMCID: PMC7986196 DOI: 10.1002/cphc.202000870] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/25/2020] [Indexed: 11/17/2022]
Abstract
The reaction of methyl enol ether functionalized cyclooctyne on the silicon (001) surface was investigated by means of X‐ray photoelectron spectroscopy (XPS) and density functional theory (DFT). Three different groups of final states were identified; all of them bind on Si(001) via the strained triple bond of cyclooctyne but they differ in the configuration of the methyl enol ether group. The majority of molecules adsorbs without additional reaction of the enol ether group; the relative contribution of this configuration to the total coverage depends on substrate temperature and coverage. Further configurations include enol ether groups which reacted on the silicon surface either via ether cleavage or enol ether groups which transformed on the surface into a carbonyl group.
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Affiliation(s)
- Timo Glaser
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, Heinrich-Buff-Ring 16, D-35392, Giessen, Germany
| | - Jannick Meinecke
- Fachbereich Chemie, Philipps-Universität, Marburg, Hans-Meerwein-Straße 4, D-35032, Germany
| | - Christian Länger
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, Heinrich-Buff-Ring 16, D-35392, Giessen, Germany
| | - Jan-Niclas Luy
- Fachbereich Chemie, Philipps-Universität, Marburg, Hans-Meerwein-Straße 4, D-35032, Germany.,Fakultät für Chemie und Pharmazie, Universität Regensburg, Universitätsstraße 31, D-93053, Regensburg, Germany.,Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, D-04103, Leipzig, Germany
| | - Ralf Tonner
- Fachbereich Chemie, Philipps-Universität, Marburg, Hans-Meerwein-Straße 4, D-35032, Germany.,Fakultät für Chemie und Pharmazie, Universität Regensburg, Universitätsstraße 31, D-93053, Regensburg, Germany.,Wilhelm-Ostwald-Institut für Physikalische und Theoretische Chemie, Universität Leipzig, Linnéstraße 2, D-04103, Leipzig, Germany
| | - Ulrich Koert
- Fachbereich Chemie, Philipps-Universität, Marburg, Hans-Meerwein-Straße 4, D-35032, Germany
| | - Michael Dürr
- Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen, Heinrich-Buff-Ring 16, D-35392, Giessen, Germany
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9
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Mboyi CD, Vivier D, Daher A, Fleurat‐Lessard P, Cattey H, Devillers CH, Bernhard C, Denat F, Roger J, Hierso J. Bridge‐Clamp Bis(tetrazine)s with [N]
8
π‐Stacking Interactions and Azido‐
s
‐Aryl Tetrazines: Two Classes of Doubly Clickable Tetrazines. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201911947] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Clève D. Mboyi
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Delphine Vivier
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Ahmad Daher
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Paul Fleurat‐Lessard
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Hélène Cattey
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Charles H. Devillers
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Claire Bernhard
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Franck Denat
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Julien Roger
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
| | - Jean‐Cyrille Hierso
- Université de Bourgogne Institut de Chimie Moléculaire de l'Université de Bourgogne UMR CNRS 6302— Université de Bourgogne Franche-Comté (UBFC) 9, avenue Alain Savary 21078 Dijon France
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10
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Mboyi CD, Vivier D, Daher A, Fleurat-Lessard P, Cattey H, Devillers CH, Bernhard C, Denat F, Roger J, Hierso JC. Bridge-Clamp Bis(tetrazine)s with [N] 8 π-Stacking Interactions and Azido-s-Aryl Tetrazines: Two Classes of Doubly Clickable Tetrazines. Angew Chem Int Ed Engl 2019; 59:1149-1154. [PMID: 31643125 DOI: 10.1002/anie.201911947] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Revised: 10/22/2019] [Indexed: 12/17/2022]
Abstract
Click chemistry at a tetrazine core is useful for bioorthogonal labeling and crosslinking. Introduced here are two new classes of doubly clickable s-aryl tetrazines synthesized by Cu-catalyzed cross-coupling. Homocoupling of o-brominated s-aryl tetrazines leads to bis(tetrazine)s structurally characterized by tetrazine cores arranged face-to-face. [N]8 π-stacking interactions are essential to the conformation. Upon inverse electron demand Diels-Alder (iEDDA) cycloaddition, the bis(tetrazine)s produce a unique staple structure. The o-azidation of s-aryl tetrazines introduces a second proximal intermolecular clickable function that leads to double click chemistry opportunities. The stepwise introduction of fluorophores and then iEDDA cycloaddition, including bioconjugation to antibodies, was achieved on this class of tetrazines. This method extends to (thio)etherification, phosphination, trifluoromethylation and the introduction of various bioactive nitrogen-based heterocycles.
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Affiliation(s)
- Clève D Mboyi
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Delphine Vivier
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Ahmad Daher
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Paul Fleurat-Lessard
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Hélène Cattey
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Charles H Devillers
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Claire Bernhard
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Franck Denat
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Julien Roger
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
| | - Jean-Cyrille Hierso
- Université de Bourgogne, Institut de Chimie Moléculaire de l'Université de Bourgogne, UMR CNRS 6302-, Université de Bourgogne Franche-Comté (UBFC), 9, avenue Alain Savary, 21078, Dijon, France
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