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Singh A, Torres-Huerta A, Meyer F, Valkenier H. Anion transporters based on halogen, chalcogen, and pnictogen bonds: towards biological applications. Chem Sci 2024:d4sc04644g. [PMID: 39268212 PMCID: PMC11385378 DOI: 10.1039/d4sc04644g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2024] [Accepted: 09/01/2024] [Indexed: 09/15/2024] Open
Abstract
Motivated by their potential biological applications, anion receptors are increasingly explored as transmembrane transporters for anions. The vast majority of the reported anion transporters rely on hydrogen bonding to interact with the anions. However, in recent decades, halogen, chalcogen, and pnictogen bonding, collectively referred to as sigma-hole interactions, have received increasing attention. Most research efforts on these interactions have focused on crystal engineering, anion sensing, and organocatalysis. In recent years, however, these sigma-hole interactions have also been explored more widely in synthetic anion transporters. This perspective shows why synthetic transporters are promising candidates for biological applications. We provide a comprehensive review of the compounds used to transport anions across membranes, with a particular focus on how the binding atoms and molecular design affect the anion transport activity and selectivity. Few cell studies have been reported for these transporters based on sigma-hole interactions and we highlight the critical need for further biological studies on the toxicity, stability, and deliverability of these compounds to explore their full potential in biological applications, such as the treatment of cystic fibrosis.
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Affiliation(s)
- Anurag Singh
- Université libre de Bruxelles (ULB), Engineering of Molecular NanoSystems Avenue F. Roosevelt 50, CP165/64 1050 Brussels Belgium
| | - Aaron Torres-Huerta
- Université libre de Bruxelles (ULB), Engineering of Molecular NanoSystems Avenue F. Roosevelt 50, CP165/64 1050 Brussels Belgium
| | - Franck Meyer
- Université libre de Bruxelles (ULB), Microbiology, Bioorganic and Macromolecular Chemistry Unit, Faculty of Pharmacy Boulevard du Triomphe 1050 Brussels Belgium
| | - Hennie Valkenier
- Université libre de Bruxelles (ULB), Engineering of Molecular NanoSystems Avenue F. Roosevelt 50, CP165/64 1050 Brussels Belgium
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2
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Jamagne R, Power MJ, Zhang ZH, Zango G, Gibber B, Leigh DA. Active template synthesis. Chem Soc Rev 2024. [PMID: 39235620 PMCID: PMC11376342 DOI: 10.1039/d4cs00430b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
The active template synthesis of mechanically interlocked molecular architectures exploits the dual ability of various structural elements (metals or, in the case of metal-free active template synthesis, particular arrangements of functional groups) to serve as both a template for the organisation of building blocks and as a catalyst to facilitate the formation of covalent bonds between them. This enables the entwined or threaded intermediate structure to be covalently captured under kinetic control. Unlike classical passive template synthesis, the intercomponent interactions transiently used to promote the assembly typically do not 'live on' in the interlocked product, meaning that active template synthesis can be traceless and used for constructing mechanically interlocked molecules that do not feature strong binding interactions between the components. Since its introduction in 2006, active template synthesis has been used to prepare a variety of rotaxanes, catenanes and knots. Amongst the metal-ion-mediated versions of the strategy, the copper(I)-catalysed alkyne-azide cycloaddition (CuAAC) remains the most extensively used transformation, although a broad range of other catalytic reactions and transition metals also provide effective manifolds. In metal-free active template synthesis, the recent discovery of the acceleration of the reaction of primary amines with electrophiles through the cavity of crown ethers has proved effective for forming an array of rotaxanes without recognition elements, including compact rotaxane superbases, dissipatively assembled rotaxanes and molecular pumps. This Review details the active template concept, outlines its advantages and limitations for the synthesis of interlocked molecules, and charts the diverse set of reactions that have been used with this strategy to date. The application of active template synthesis in various domains is discussed, including molecular machinery, mechanical chirality, catalysis, molecular recognition and various aspects of materials science.
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Affiliation(s)
- Romain Jamagne
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Martin J Power
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Zhi-Hui Zhang
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
| | - Germán Zango
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - Benjamin Gibber
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
| | - David A Leigh
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, UK.
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200062, P. R. China
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3
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Akbaba S, Steinke T, Vogel L, Engelage E, Erdelyi M, Huber SM. Elucidating the Binding Mode of Sulfur- and Selenium-Based Cationic Chalcogen-Bond Donors. Chemistry 2024; 30:e202400608. [PMID: 38604947 DOI: 10.1002/chem.202400608] [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] [Received: 02/14/2024] [Revised: 04/10/2024] [Accepted: 04/11/2024] [Indexed: 04/13/2024]
Abstract
For a comparison of the interaction modes of various chalcogen-bond donors, 2-chalcogeno-imidazolium salts have been designed, synthesized, and studied by single crystal X-ray diffraction, solution NMR and DFT as well as for their ability to act as activators in an SN1-type substitution reaction. Their interaction modes in solution were elucidated based on NMR diffusion and chemical shift perturbation experiments, which were supported by DFT-calculations. Our finding is that going from lighter to the heavier chalcogens, hydrogen bonding plays a less, while chalcogen bonding an increasingly important role for the coordination of anions. Anion-π interactions also show importance, especially for the sulfur and selenium derivatives.
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Affiliation(s)
- Sercan Akbaba
- Department of Chemistry and Biochemistry, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
| | - Tim Steinke
- Department of Chemistry and Biochemistry, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
| | - Lukas Vogel
- Department of Chemistry and Biochemistry, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
| | - Elric Engelage
- Department of Chemistry and Biochemistry, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
| | - Mate Erdelyi
- Department of Chemistry - BMC, Uppsala University, Husargatan 3, SE-752 37, Uppsala, Sweden
| | - Stefan M Huber
- Department of Chemistry and Biochemistry, Ruhr-University Bochum, Universitätsstraße 150, 44801, Bochum, Germany
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4
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Fellowes T, Sani MA, White JM. Fingerprints of Chalcogen Bonding Revealed Through 77Se-NMR. Chemistry 2024; 30:e202400385. [PMID: 38506412 DOI: 10.1002/chem.202400385] [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] [Received: 01/29/2024] [Revised: 03/18/2024] [Accepted: 03/20/2024] [Indexed: 03/21/2024]
Abstract
77Se-NMR is used to characterise several chalcogen bonded complexes of derivatives of the organoselenium drug ebselen, exploring a range of electron demand. NMR titration experiments support the intuitive understanding that chalcogen bond donors bearing more electron withdrawing substituents give rise stronger chalcogen bonds. The chemical shift of the selenium nucleus is also shown to move upfield as it participates in a chalcogen bond. Solid-state NMR is used to explore chalcogen bonding in co-crystals. Due to the lack of molecular reorientation on the NMR timescale in the solid state, the shape of the chemical shift tensor can be determined using this technique. A range of co-crystals are shown to have extremely large chemical shift anisotropy, which suggests a strongly anisotropic electron density distribution around the selenium atom. A single crystal NMR experiment was conducted using one of the co-crystals, affording the absolute orientation of the chemical shift tensor within the crystal. This showed that the selenium nucleus is strongly shielded in the direction of the chalcogen bond (due to the approach of the lone pair of the Lewis base), and strongly deshielded in the perpendicular direction. The orientation of the deshielded axis is consistent with the presence of a second σ-hole which is not participating in a chalcogen bond, showing the profound effect of electron density anisotropy on the chemical shift.
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Affiliation(s)
- Thomas Fellowes
- Bio21 Institute and School of Chemistry, University of Melbourne, Parkville, VIC 3010, Australia
| | - Marc A Sani
- Bio21 Institute and School of Chemistry, University of Melbourne, Parkville, VIC 3010, Australia
| | - Jonathan M White
- Bio21 Institute and School of Chemistry, University of Melbourne, Parkville, VIC 3010, Australia
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5
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Wilmore JT, Beer PD. Exploiting the Mechanical Bond Effect for Enhanced Molecular Recognition and Sensing. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2309098. [PMID: 38174657 DOI: 10.1002/adma.202309098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 12/20/2023] [Indexed: 01/05/2024]
Abstract
The ubiquity of charged species in biological and industrial processes has resulted in ever-increasing interest in their selective recognition, detection, and environmental remediation. Building on the established coordination chemistry principles of the chelate and macrocyclic effects, and host preorganization, supramolecular chemists seek to construct specific 3D binding cavities reminiscent of biotic systems to enhance host-guest binding affinity and selectivity. Mechanically interlocked molecules (MIMs) present a wholly unique platform for synthetic host design, wherein topologies afforded by the mechanical bond enable the decoration of 3D cavities for non-covalent interactions with a range of target guest geometries. Notably, MIM host systems exhibit mechanical bond effect augmented affinities and selectivities for a variety of charged guest species, compared to non-interlocked acyclic and macrocycle host analogs. Furthermore, the modular nature of MIM synthesis facilitates incorporation of optical and electrochemical reporter groups, enabling fabrication of highly sensitive and specific molecular sensors. This review discusses the development of recognition and sensing MIMs, from the first reports in the late 20th century through to the present day, delineating how their topologically preorganized and dynamic host cavities enhance charged guest recognition and sensing, demonstrating the mechanical bond effect as a potent tool in future chemosensing materials.
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Affiliation(s)
- Jamie T Wilmore
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Rd, Oxford, OX1 3TA, UK
| | - Paul D Beer
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, 12 Mansfield Rd, Oxford, OX1 3TA, UK
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6
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Islam AS, Pramanik S, Mondal S, Ghosh R, Ghosh P. Selective recognition and extraction of iodide from pure water by a tripodal selenoimidazol(ium)-based chalcogen bonding receptor. iScience 2024; 27:108917. [PMID: 38327780 PMCID: PMC10847689 DOI: 10.1016/j.isci.2024.108917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/20/2023] [Accepted: 01/11/2024] [Indexed: 02/09/2024] Open
Abstract
A selenium-based tripodal chalcogen bond (ChB) donor TPI-3Se is demonstrated for the recognition and extraction of I- from 100% water medium. NMR and ITC studies with the halides reveal that the ChB donor selectively binds with the large, weakly hydrated I-. Interestingly, I- crystallizes out selectively in the presence of other halides supporting the superiority of the selective recognition of I-. The X-ray structure of the ChB-iodide complex manifests both the μ1 and μ2 coordinated interactions, which is rare in the C-Se···I chalcogen bonding. Furthermore, to validate the selective I- binding potency of TPI-3Se in pure water, comparisons are made with its hydrogen and halogen bond donor analogs. The computational analysis also provides the mode of I- recognition by TPI-3Se. Importantly, this receptor is capable of extracting I- from pure water through selenium sigma-hole and I- interaction with a high degree of efficiency (∼70%).
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Affiliation(s)
- Abu S.M. Islam
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sourav Pramanik
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Sahidul Mondal
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Rajib Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
| | - Pradyut Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, Kolkata 700032, India
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7
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Dhaka A, Jeon IR, Fourmigué M. Selective Activation of Chalcogen Bonding: An Efficient Structuring Tool toward Crystal Engineering Strategies. Acc Chem Res 2024; 57:362-374. [PMID: 38275221 DOI: 10.1021/acs.accounts.3c00674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
ConspectusAmong the noncovalent interactions available in the toolbox of crystal engineering, chalcogen bonding (ChB) has recently entered the growing family of σ-hole interactions, following the strong developments based on the halogen bonding (XB) interaction over the last 30 years. The monovalent character of halogens provides halogen bonding directionality and strength. Combined with the extensive organic chemistry of Br and I derivatives, it has led to many applications of XB, in solution (organo-catalysis, anion recognition and transport), in the solid state (cocrystals, conducting materials, fluorescent materials, topochemical reactions, ...), in soft matter (liquid crystals, gels,···), and in biochemistry. The recognition of the presence of two σ-holes on divalent chalcogens and the ability to activate them, as in XB, with electron-withdrawing groups (EWG) has fueled more recent interest in chalcogen bonding. However, despite being identified for many years, ChB still struggles to make a mark due to (i) the underdeveloped synthetic chemistry of heavier Se and Te; (ii) the limited stability of organic chalcogenides, especially tellurides; and (iii) the poor predictability of ChB associated with the presence of two σ-holes. It therefore invites a great deal of attention of molecular chemists to design and develop selected ChB donors, for the scrutiny of fundamentals of ChB and their successful use in different applications. This Account aims to summarize our own contributions in this direction that extend from fundamental studies focused on addressing the lack of directionality/predictability in ChB to a systematic demonstration of its potential, specifically in crystal engineering, and particularly toward anionic networks on the one hand, topochemical reactions on the other hand.In this Account, we share our recent results aimed at recovering with ChB the same degree of strength and predictability found with XB, by focusing on divalent Se and Te systems with two different substituents, one of them with an EWG, to strongly unbalance both σ-holes. For that purpose, we explored this dissymmetrization concept within three chemical families, selenocyanates R-SeCN, alkynyl derivatives R-C≡C-(Se/Te)Me, and o-carborane derivatives. Such compounds were systematically engaged in cocrystals with either halides or neutral bipyridines as ChB acceptors, revealing their strong potential to chelate halides as well as their ability to organize reactive molecules such as alkenes and butadiynes toward [2+2] cycloadditions and polydiacetylene formation, respectively. This selective activation concept is not limited to ChB but can be effectively used on all other σ-hole interactions (pnictogen bond, tetrel bond, etc.) where one needs to control the directionality of the interaction.
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Affiliation(s)
- Arun Dhaka
- Univ Rennes, CNRS, ISCR - UMR 6226 (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35042 Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR - UMR 6226 (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35042 Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR - UMR 6226 (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35042 Rennes, France
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8
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Liang J, Han J, Gao X, Jia H, Li R, Tse ECM, Li Y. Clickable APEX2 Probes for Enhanced RNA Proximity Labeling in Live Cells. Anal Chem 2024; 96:685-693. [PMID: 38099807 DOI: 10.1021/acs.analchem.3c03614] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
Although APEX2-mediated proximity labeling has been extensively implemented for studying RNA subcellular localization in live cells, the biotin-phenoxyl radical used for labeling RNAs has a relatively low efficiency, which can limit its compatibility with other profiling methods. Herein, a set of phenol derivatives were designed as APEX2 probes through balancing reactivity, hydrophilicity, and lipophilicity. Among these derivatives, Ph_N3 exhibited reliable labeling ability and enabled two biotinylation routes for downstream analysis. As a proof of concept, we used APEX2/Ph_N3 labeling with high-throughput sequencing analysis to examine the transcriptomes in the mitochondrial matrix, demonstrating high sensitivity and specificity. To further expand the utility of Ph_N3, we employed mechanistically orthogonal APEX2 and singlet oxygen (1O2)-mediated strategies for dual location labeling in live cells. Specifically, DRAQ5, a DNA-intercalating photosensitizer, was applied for nucleus-restricted 1O2 labeling. We validated the orthogonality of APEX2/Ph_N3 and DRAQ5-1O2 at the imaging level, providing an attractive and feasible approach for future studies of RNA translocation in live cells.
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Affiliation(s)
- Jiying Liang
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Jinghua Han
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Xutao Gao
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Han Jia
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Ran Li
- Academy for Advanced Interdisciplinary Studies, PKU-Tsinghua Center for Life Science, Peking University, Beijing 100871, China
| | - Edmund C M Tse
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- CAS-HKU Joint Laboratory of Metallomics on Health and Environment, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, New Territories, Hong Kong, China
| | - Ying Li
- Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, China
- Laboratory for Synthetic Chemistry and Chemical Biology Limited, New Territories, Hong Kong, China
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9
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Wang J, Ho PC, Craig MGJ, Cevallos A, Britten JF, Vargas-Baca I. An Unusual Macrocyclic Hexamer of an Iso-Tellurazole N-Oxide Featuring CTe … O Chalcogen Bonds is Formed by κ 6 -O Complexation to Fe(II) and Ni(II). Chemistry 2024; 30:e202302538. [PMID: 37793025 DOI: 10.1002/chem.202302538] [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] [Received: 08/03/2023] [Revised: 09/29/2023] [Accepted: 10/04/2023] [Indexed: 10/06/2023]
Abstract
Studies of the supramolecular chemistry of iso-tellurazole N-oxides have been confined to non-polar media until now. To overcome that limitation, an iso-tellurazole N-oxide was derivatized with a primary alcohol group; the compound is soluble in polar solvents and stable in acidic to neutral aqueous media. Nickel (II) and iron (II) form macrocyclic complexes with six molecules of that iso-tellurazole N-oxide in a hitherto not-observed macrocyclic arrangement defined by CTe⋅⋅⋅O chalcogen bonds and κ6 -O bound to the metal ion. This behaviour is in sharp contrast with the κn -Te (n=1,2,4) complexes formed by soft metal ions.
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Affiliation(s)
- Jin Wang
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
| | - Peter C Ho
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
| | - Matthew G J Craig
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
| | - Alberto Cevallos
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
| | - James F Britten
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
| | - Ignacio Vargas-Baca
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, L8S 4M1, Canada
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10
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Weiss R, Aubert E, Groslambert L, Pale P, Mamane V. Evidence for and evaluation of fluorine-tellurium chalcogen bonding. Chem Sci 2023; 14:7221-7229. [PMID: 37416727 PMCID: PMC10321537 DOI: 10.1039/d3sc00849e] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 06/03/2023] [Indexed: 07/08/2023] Open
Abstract
In the field of noncovalent interactions, chalcogen bonding (ChB) involving the tellurium atom is currently attracting much attention in supramolecular chemistry and in catalysis. However, as a prerequisite for its application, the ChB should be studied in solution to assess its formation and, if possible, to evaluate its strength. In this context, new tellurium derivatives bearing CH2F and CF3 groups were designed to exhibit Te⋯F ChB and were synthesized in good to high yields. In both types of compounds, Te⋯F interactions were characterized in solution by combining 19F, 125Te and HOESY NMR techniques. These Te⋯F ChBs were shown to contribute to the overall JTe-F coupling constants (94-170 Hz) measured in the CH2F- and CF3-based tellurium derivatives. Finally, a variable temperature NMR study allowed us to approximate the energy of the Te⋯F ChB, from 3 kJ mol-1 for the compounds with weak Te σ-holes to 11 kJ mol-1 for Te σ-holes activated by the presence of strong electron withdrawing substituents.
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Affiliation(s)
- Robin Weiss
- LASYROC, UMR 7177, University of Strasbourg 1 Rue Blaise Pascal 67000 Strasbourg France
| | | | - Loic Groslambert
- LASYROC, UMR 7177, University of Strasbourg 1 Rue Blaise Pascal 67000 Strasbourg France
| | - Patrick Pale
- LASYROC, UMR 7177, University of Strasbourg 1 Rue Blaise Pascal 67000 Strasbourg France
| | - Victor Mamane
- LASYROC, UMR 7177, University of Strasbourg 1 Rue Blaise Pascal 67000 Strasbourg France
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11
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Li B, Wang X, Wang H, Song Q, Ni Y, Wang H, Wang X. Influence of the anion base X (X=F−, Cl−, Br−, NO3− and SO42−) on the formation of Chalcogen bonds in Chalcogenodiazoles C4N4Ch (Ch=S, Se and Te). J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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12
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Romito D, Fresta E, Cavinato LM, Kählig H, Amenitsch H, Caputo L, Chen Y, Samorì P, Charlier J, Costa RD, Bonifazi D. Supramolecular Chalcogen-Bonded Semiconducting Nanoribbons at Work in Lighting Devices. Angew Chem Int Ed Engl 2022; 61:e202202137. [PMID: 35274798 PMCID: PMC9544418 DOI: 10.1002/anie.202202137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Indexed: 11/24/2022]
Abstract
This work describes the design and synthesis of a π-conjugated telluro[3,2-β][1]-tellurophene-based synthon that, embodying pyridyl and haloaryl chalcogen-bonding acceptors, self-assembles into nanoribbons through chalcogen bonds. The ribbons π-stack in a multi-layered architecture both in single crystals and thin films. Theoretical studies of the electronic states of chalcogen-bonded material showed the presence of a local charge density between Te and N atoms. OTFT-based charge transport measurements showed hole-transport properties for this material. Its integration as a p-type semiconductor in multi-layered CuI -based light-emitting electrochemical cells (LECs) led to a 10-fold increase in stability (38 h vs. 3 h) compared to single-layered devices. Finally, using the reference tellurotellurophene congener bearing a C-H group instead of the pyridyl N atom, a herringbone solid-state assembly is formed without charge transport features, resulting in LECs with poor stabilities (<1 h).
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Affiliation(s)
- Deborah Romito
- Department of Organic ChemistryFaculty of ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Elisa Fresta
- Technical University of MunichChair of Biogenic Functional MaterialsSchulgasse 2294315StraubingGermany
| | - Luca M. Cavinato
- Technical University of MunichChair of Biogenic Functional MaterialsSchulgasse 2294315StraubingGermany
| | - Hanspeter Kählig
- Department of Organic ChemistryFaculty of ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
| | - Heinz Amenitsch
- Graz University of TechnologyInstitute for Inorganic ChemistryStremayergasse 9/V8010GrazAustria
| | - Laura Caputo
- Institute of Condensed Matter and NanosciencesUniversité catholique de Louvain (UCLouvain)Chemin des étoiles 81348Louvain-la-NeuveBelgium
| | - Yusheng Chen
- Université de Strasbourg, CNRS, ISIS8 allée Gaspard Monge67000StrasbourgFrance
| | - Paolo Samorì
- Université de Strasbourg, CNRS, ISIS8 allée Gaspard Monge67000StrasbourgFrance
| | - Jean‐Christophe Charlier
- Institute of Condensed Matter and NanosciencesUniversité catholique de Louvain (UCLouvain)Chemin des étoiles 81348Louvain-la-NeuveBelgium
| | - Rubén D. Costa
- Technical University of MunichChair of Biogenic Functional MaterialsSchulgasse 2294315StraubingGermany
| | - Davide Bonifazi
- Department of Organic ChemistryFaculty of ChemistryUniversity of ViennaWähringer Straße 381090ViennaAustria
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13
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Alfuth J, Jeannin O, Fourmigué M. Topochemical, Single-Crystal-to-Single-Crystal [2+2] Photocycloadditions Driven by Chalcogen-Bonding Interactions. Angew Chem Int Ed Engl 2022; 61:e202206249. [PMID: 35797220 PMCID: PMC9546344 DOI: 10.1002/anie.202206249] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Indexed: 12/04/2022]
Abstract
The face-to-face association of (E)-1,2-di(4-pyridyl)ethylene (bpen) molecules into rectangular motifs stabilized for the first time by chalcogen bonding (ChB) interactions is shown to provide photoreactive systems leading to cyclobutane formation through single-crystal-to-single-crystal [2+2] photodimerizations. The chelating chalcogen bond donors are based on original aromatic, ortho-substituted bis(selenocyanato)benzene derivatives 1-3, prepared from ortho-diboronic acid bis(pinacol) ester precursors and SeO2 and malononitrile in 75-90 % yield. The very short intramolecular Se⋅⋅⋅Se distance in 1-3 (3.22-3.24 Å), a consequence of a strong intramolecular ChB interaction, expands to 3.52-3.54 Å in the chalcogen-bonded adducts with bpen, a distance (<4 Å) well adapted to the face-to-face association of the bpen molecules into the reactive position toward photochemical dimerization.
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Affiliation(s)
- Jan Alfuth
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), 35000, Rennes, France
- Department of Organic Chemistry, Faculty of Chemistry, Gdańsk University of Technology, 80-233, Gdańsk, Poland
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), 35000, Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), 35000, Rennes, France
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14
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Zhang Q, Chan Y, Zhang M, Yeung Y, Ke Z. Hypervalent Chalcogenonium⋅⋅⋅π Bonding Catalysis. Angew Chem Int Ed Engl 2022; 61:e202208009. [DOI: 10.1002/anie.202208009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Indexed: 11/11/2022]
Affiliation(s)
- Qingyu Zhang
- School of Science and Engineering The Chinese University of Hong Kong Shenzhen 518172, Guangdong China
- School of Chemistry and Materials Science University of Science and Technology of China Hefei 230026, Anhui China
| | - Yung‐Yin Chan
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry The Chinese University of Hong Kong Shatin, NT Hong Kong China
| | - Muyin Zhang
- School of Science and Engineering The Chinese University of Hong Kong Shenzhen 518172, Guangdong China
| | - Ying‐Yeung Yeung
- Department of Chemistry and State Key Laboratory of Synthetic Chemistry The Chinese University of Hong Kong Shatin, NT Hong Kong China
| | - Zhihai Ke
- School of Science and Engineering The Chinese University of Hong Kong Shenzhen 518172, Guangdong China
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15
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Steinke T, Wonner P, Gauld RM, Heinrich S, Huber SM. Catalytic Activation of Imines by Chalcogen Bond Donors in a Povarov [4+2] Cycloaddition Reaction. Chemistry 2022; 28:e202200917. [PMID: 35704037 PMCID: PMC9545453 DOI: 10.1002/chem.202200917] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Indexed: 12/15/2022]
Abstract
Recently, chalcogen bonding has been investigated in more detail in organocatalysis and the scope of activated functionalities continues to increase. Herein, the activation of imines in a Povarov [4+2] cycloaddition reaction with bidentate cationic chalcogen bond donors is presented. Tellurium-based Lewis acids show superior properties compared to selenium-based catalysts and inactive sulfur-based analogues. The catalytic activity of the chalcogen bonding donors increases with weaker binding anions. Triflate, however, is not suitable due to its participation in the catalytic pathway. A solvent screening revealed a more efficient activation in less polar solvents and a pronounced effect of solvent (and catalyst) on endo : exo diastereomeric ratio. Finally, new chiral chalcogen bonding catalysts were applied but provided only racemic mixtures of the product.
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Affiliation(s)
- Tim Steinke
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Patrick Wonner
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Richard M. Gauld
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Sascha Heinrich
- Fakultät für Biologie und BiotechnologieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
| | - Stefan M. Huber
- Fakultät für Chemie und BiochemieRuhr-Universität BochumUniversitätsstraße 15044801BochumGermany
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16
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Peluso P, Chankvetadze B. Recognition in the Domain of Molecular Chirality: From Noncovalent Interactions to Separation of Enantiomers. Chem Rev 2022; 122:13235-13400. [PMID: 35917234 DOI: 10.1021/acs.chemrev.1c00846] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
It is not a coincidence that both chirality and noncovalent interactions are ubiquitous in nature and synthetic molecular systems. Noncovalent interactivity between chiral molecules underlies enantioselective recognition as a fundamental phenomenon regulating life and human activities. Thus, noncovalent interactions represent the narrative thread of a fascinating story which goes across several disciplines of medical, chemical, physical, biological, and other natural sciences. This review has been conceived with the awareness that a modern attitude toward molecular chirality and its consequences needs to be founded on multidisciplinary approaches to disclose the molecular basis of essential enantioselective phenomena in the domain of chemical, physical, and life sciences. With the primary aim of discussing this topic in an integrated way, a comprehensive pool of rational and systematic multidisciplinary information is provided, which concerns the fundamentals of chirality, a description of noncovalent interactions, and their implications in enantioselective processes occurring in different contexts. A specific focus is devoted to enantioselection in chromatography and electromigration techniques because of their unique feature as "multistep" processes. A second motivation for writing this review is to make a clear statement about the state of the art, the tools we have at our disposal, and what is still missing to fully understand the mechanisms underlying enantioselective recognition.
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Affiliation(s)
- Paola Peluso
- Istituto di Chimica Biomolecolare ICB, CNR, Sede secondaria di Sassari, Traversa La Crucca 3, Regione Baldinca, Li Punti, I-07100 Sassari, Italy
| | - Bezhan Chankvetadze
- Institute of Physical and Analytical Chemistry, School of Exact and Natural Sciences, Tbilisi State University, Chavchavadze Avenue 3, 0179 Tbilisi, Georgia
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17
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18
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Alfuth J, Jeannin O, Fourmigue M. Topochemical, Single‐Crystal‐to‐Single‐Crystal [2+2] Photocycloadditions Driven by Chalcogen‐Bonding Interactions. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206249] [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)
- Jan Alfuth
- Gdańsk University of Technology: Politechnika Gdanska Organic chemistry Gdansk POLAND
| | | | - Marc Fourmigue
- UMR 6226 CNRS-Universite Rennes1 Institut des Sciences Chimiques de Rennes Campus de BeaulieuBatiment 10C 35042 Rennes FRANCE
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19
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Zhang Q, Chan YY, Zhang M, Yeung YY, Ke Z. Hypervalent Chalcogenonium•••π Bonding Catalysis. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202208009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Qingyu Zhang
- The Chinese University of Hong Kong - Shenzhen School of Science and Engineering CHINA
| | - Yung-Yin Chan
- The Chinese University of Hong Kong Department of Chemistry HONG KONG
| | - Muyin Zhang
- The Chinese University of Hong Kong - Shenzhen School of Science and Engineering CHINA
| | - Ying-Yeung Yeung
- The Chinese University of Hong Kong Department of Chemistry HONG KONG
| | - Zhihai Ke
- The Chinese University of Hong Kong - Shenzhen School of Science and Engineering School of Science and Engineering2001 Longxiang Road, Longgang District 518172 Shenzhen CHINA
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20
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Zhu H, Zhou PP, Wang Y. Cooperative chalcogen bonding interactions in confined sites activate aziridines. Nat Commun 2022; 13:3563. [PMID: 35732663 PMCID: PMC9217929 DOI: 10.1038/s41467-022-31293-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 06/06/2022] [Indexed: 02/05/2023] Open
Abstract
The activation of aziridines typically involves the use of strong Lewis acids or transition metals, and methods relying on weak interactions are rare. Herein, we report that cooperative chalcogen bonding interactions in confined sites can activate sulfonyl-protected aziridines. Among the several possible distinct bonding modes, our experiments and computational studies suggest that an activation mode involving the cooperative Se···O and Se···N interactions is in operation. The catalytic reactions between weakly bonded supramolecular species and nonactivated alkenes are considered as unfavorable approaches. However, here we show that the activation of aziridines by cooperative Se···O and Se···N interactions enables the cycloaddition of weakly bonded aziridine-selenide complex with nonactivated alkenes in a catalytic manner. Thus, weak interactions can indeed enable these transformations and are an alternative to methods relying on strong Lewis acids. The activation of aziridines is typically achieved via reaction with strong Lewis acids or transition metals. Here, the authors report that cooperative Se ∙ ∙∙O and Se ∙ ∙∙N noncovalent interactions can activate sulfonyl-protected aziridines, which enables their use in cycloaddition reactions with nonactivated alkenes.
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Affiliation(s)
- Haofu Zhu
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, China
| | - Pan-Pan Zhou
- College of Chemistry and Chemical Engineering, Key Laboratory of Special Function Materials and Structure Design of Ministry of Education, Lanzhou University, Lanzhou, 730000, China.
| | - Yao Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, China.
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21
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Hein R, Beer PD. Halogen bonding and chalcogen bonding mediated sensing. Chem Sci 2022; 13:7098-7125. [PMID: 35799814 PMCID: PMC9214886 DOI: 10.1039/d2sc01800d] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 05/10/2022] [Indexed: 11/21/2022] Open
Abstract
Sigma-hole interactions, in particular halogen bonding (XB) and chalcogen bonding (ChB), have become indispensable tools in supramolecular chemistry, with wide-ranging applications in crystal engineering, catalysis and materials chemistry as well as anion recognition, transport and sensing. The latter has very rapidly developed in recent years and is becoming a mature research area in its own right. This can be attributed to the numerous advantages sigma-hole interactions imbue in sensor design, in particular high degrees of selectivity, sensitivity and the capability for sensing in aqueous media. Herein, we provide the first detailed overview of all developments in the field of XB and ChB mediated sensing, in particular the detection of anions but also neutral (gaseous) Lewis bases. This includes a wide range of optical colorimetric and luminescent sensors as well as an array of electrochemical sensors, most notably redox-active host systems. In addition, we discuss a range of other sensor designs, including capacitive sensors and chemiresistors, and provide a detailed overview and outlook for future fundamental developments in the field. Importantly the sensing concepts and methodologies described herein for the XB and ChB mediated sensing of anions, are generically applicable for the development of supramolecular receptors and sensors in general, including those for cations and neutral molecules employing a wide array of non-covalent interactions. As such we believe this review to be a useful guide to both the supramolecular and general chemistry community with interests in the fields of host-guest recognition and small molecule sensing. Moreover, we also highlight the need for a broader integration of supramolecular chemistry, analytical chemistry, synthetic chemistry and materials science in the development of the next generation of potent sensors.
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Affiliation(s)
- Robert Hein
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
| | - Paul D Beer
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford Mansfield Road Oxford OX1 3TA UK
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22
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Goodwin RJ, Docker A, MacDermott‐Opeskin HI, Aitken HM, O'Mara ML, Beer PD, White NG. Hydroxy Groups Enhance [2]Rotaxane Anion Binding Selectivity. Chemistry 2022; 28:e202200389. [PMID: 35293643 PMCID: PMC9321576 DOI: 10.1002/chem.202200389] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Indexed: 11/25/2022]
Abstract
We report the synthesis of two [2]rotaxanes containing an interlocked three dimensional binding cavity formed from a pyridinium bis(amide) axle component containing two phenol donors, and an isophthalamide based macrocycle. In the competitive solvent mixture 1 : 1 CDCl3 : CD3 OD, one of the receptors exhibits a much higher selectivity preference for chloride than an analogous rotaxane without the hydroxy groups. X-ray crystal structures reveal the chloride anion guest encapsulated within the interlocked binding cavity, though not all of the hydrogen bond donors are utilised. Computational semi-empirical simulations indicate that secondary intermolecular interactions occur between the axle hydroxy hydrogen bond donors and the [2]rotaxane macrocycle components, contributing to a more preorganised binding pocket, which may be responsible for the observed enhanced selectivity.
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Affiliation(s)
- Rosemary J. Goodwin
- Research School of ChemistryAustralian National UniversityCanberraACTAustralia
| | - Andrew Docker
- Department of ChemistryUniversity of OxfordChemistry Research LaboratoryMansfield RoadOxfordOX1 3TAUK
| | | | - Heather M. Aitken
- Research School of ChemistryAustralian National UniversityCanberraACTAustralia
| | - Megan L. O'Mara
- Research School of ChemistryAustralian National UniversityCanberraACTAustralia
| | - Paul D. Beer
- Department of ChemistryUniversity of OxfordChemistry Research LaboratoryMansfield RoadOxfordOX1 3TAUK
| | - Nicholas G. White
- Research School of ChemistryAustralian National UniversityCanberraACTAustralia
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23
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Hein R, Docker A, Davis JJ, Beer PD. Redox-Switchable Chalcogen Bonding for Anion Recognition and Sensing. J Am Chem Soc 2022; 144:8827-8836. [PMID: 35522996 PMCID: PMC9121379 DOI: 10.1021/jacs.2c02924] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Inspired by the success of its related sigma-hole congener halogen bonding (XB), chalcogen bonding (ChB) is emerging as a powerful noncovalent interaction with a plethora of applications in supramolecular chemistry and beyond. Despite its increasing importance, the judicious modulation of ChB donor strength remains a formidable challenge. Herein, we present, for the first time, the reversible and large-scale modulation of ChB potency by electrochemical redox control. This is exemplified by both the switching-ON of anion recognition via ChB oxidative activation of a novel bis(ferrocenyltellurotriazole) anion host and switching-OFF reductive ChB deactivation of anion binding potency with a telluroviologen receptor. The direct linking of the redox-active center and ChB receptor donor sites enables strong coupling, which is reflected by up to a remarkable 3 orders of magnitude modulation of anion binding strength. This is demonstrated through large voltammetric perturbations of the respective receptor ferrocene and viologen redox couples, enabling, for the first time, ChB-mediated electrochemical anion sensing. The sensors not only display significant anion-binding-induced electrochemical responses in competitive aqueous-organic solvent systems but can compete with, or even outperform similar, highly potent XB and HB sensors. These observations serve to highlight a unique (redox) tunability of ChB and pave the way for further exploration of the reversible (redox) modulation of ChB in a wide range of applications, including anion sensors as well as molecular switches and machines.
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Affiliation(s)
- Robert Hein
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Andrew Docker
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
| | - Jason J Davis
- Department of Chemistry, Physical & Theoretical Chemistry Laboratory, South Parks Road, Oxford OX1 3QZ, U.K
| | - Paul D Beer
- Department of Chemistry, Chemistry Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, U.K
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24
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Takagi K, Sakakibara N, Hasegawa T, Hayashi S. Controlled/Living Cationic Polymerization of p-Methoxystyrene Using Tellurium-Based Chalcogen Bonding Catalyst─Discovery of a New Water-Tolerant Lewis Acid Catalyst. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c00261] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Koji Takagi
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, Japan
| | - Nao Sakakibara
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, Japan
| | - Tomoki Hasegawa
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, Japan
| | - Shuhei Hayashi
- Graduate School of Engineering, Nagoya Institute of Technology, Gokiso, Showa, Nagoya 466-8555, Japan
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25
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Tong Q, Zhao Z, Wang Y. A Se···O bonding catalysis approach to the synthesis of calix[4]pyrroles. Beilstein J Org Chem 2022; 18:325-330. [PMID: 35368584 PMCID: PMC8941317 DOI: 10.3762/bjoc.18.36] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/09/2022] [Indexed: 12/11/2022] Open
Abstract
Described herein is a chalcogen bonding catalysis approach to the synthesis of calix[4]pyrrole derivatives. The Se···O bonding interactions between selenide catalysts and ketones gave rise to the catalytic activity in the condensation reactions between pyrrole and ketones, leading to the generation of calix[4]pyrrole derivatives in moderate to high yields. This chalcogen bonding catalysis approach was efficient since only 5 mol % catalyst loading was used to promote the consecutive condensation processes while the reactions could be carried out at room temperature, thus highlighting the potential of this type of nonclassical interactions in catalyzing relative complex transformations.
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Affiliation(s)
- Qingzhe Tong
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Shandong University, Jinan 250100, China
| | - Zhiguo Zhao
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Shandong University, Jinan 250100, China
| | - Yao Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Shandong University, Jinan 250100, China
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26
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Romito D, Fresta E, Cavinato LM, Kählig H, Amenitsch H, Caputo L, Chen Y, Samorì P, Charlier JC, Costa R, Bonifazi D. Supramolecular Chalcogen‐Bonded Semiconducting Nanoribbons at work in Lighting Devices. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202202137] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Deborah Romito
- University of Vienna Faculty of Chemistry: Universitat Wien Fakultat fur Chemie Organic Chemistry Währinger Straße 38 1090 Vienna AUSTRIA
| | - Elisa Fresta
- Technical University Munich: Technische Universitat Munchen Chair of Biogenic Functional Materials Schulgasse 22 94315 Straubing GERMANY
| | - Luca Maria Cavinato
- Technical University of Munich: Technische Universitat Munchen Chair of Biogenic Functional Materials Schulgasse 22 94315 Straubing GERMANY
| | - Hanspeter Kählig
- University of Vienna Faculty of Chemistry: Universitat Wien Fakultat fur Chemie Organic Chemistry Währinger Straße 38 1090 vienna AUSTRIA
| | - Heinz Amenitsch
- Graz University of Technology: Technische Universitat Graz Institute for Inorganic Chemistry Stremayergasse 9/V 8010 Graz AUSTRIA
| | - Laura Caputo
- UCLouvain Saint-Louis Bruxelles: Universite Saint-Louis - Bruxelles Institute of Condensed Matter and Nanosciences Chemin des étoiles 8 B-1348 Louvain-la-Neuve BELGIUM
| | - Yusheng Chen
- Universite de Strasbourg CNRS, ISIS 8 allée Gaspard Monge 67000 Strasbourg FRANCE
| | - Paolo Samorì
- Universite de Strasbourg CNRS, ISIS 8 allée Gaspard Monge 67000 Strasbourg FRANCE
| | - Jean-Christophe Charlier
- UCLouvain Saint-Louis Bruxelles: Universite Saint-Louis - Bruxelles Institute of Condensed Matter and Nanosciences Chemin des étoiles 8 B-1348 Louvain-la-Neuve BELGIUM
| | - Rubén Costa
- Technical University of Munich: Technische Universitat Munchen Chair of Biogenic Functional Materials Schulgasse 22 94315 Straubing GERMANY
| | - Davide Bonifazi
- University of Vienna Faculty of Chemistry: Universitat Wien Fakultat fur Chemie Institute of Organic Chemistry Währinger Strasse 38 1090 Vienna AUSTRIA
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27
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Navarro-García E, Galmés B, Esquivel JL, Velasco MD, Bastida A, Zapata F, Caballero A, Frontera A. Host-guest complexes vs. supramolecular polymers in chalcogen bonding receptors: an experimental and theoretical study. Dalton Trans 2022; 51:1325-1332. [PMID: 35018911 DOI: 10.1039/d1dt03925c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
We describe here a comparative study between two tripodal anion receptors based on selenophene as the binding motif. The receptors use benzene or perfluorobenzene as a spacer. The presence of the electron-withdrawing ring activates the selenium atom for anion recognition inducing the formation of self-assembled supramolecular structures in the presence of chloride or bromide anions, which are bonded by the cooperative action of hydrogen and chalcogen bonding interactions. DOSY NMR and DLS experiments provided evidence for the formation of the supramolecular structures only in the presence of a perfluorobenzene based anion receptor while the analogous benzene one shows the classical anion/receptor complex without the participation of the selenium atom. The energetic and geometric features of the complexes of both receptors with the Cl and Br anions have been studied in solution. These results combined with the molecular electrostatic potential (MEP) surface plots allow us to rationalize the quite different behaviors of both receptors observed experimentally.
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Affiliation(s)
| | - Bartomeu Galmés
- Department of Chemistry, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain.
| | - José Luis Esquivel
- Departamento de Química Orgánica, Universidad de Murcia, Campus de Espinardo, 30100, Murcia, Spain.
| | - María D Velasco
- Departamento de Química Orgánica, Universidad de Murcia, Campus de Espinardo, 30100, Murcia, Spain.
| | - Adolfo Bastida
- Departamento de Química Física, Universidad de Murcia, Campus de Espinardo, 30100 Murcia, Spain
| | - Fabiola Zapata
- Departamento de Química Orgánica, Universidad de Murcia, Campus de Espinardo, 30100, Murcia, Spain.
| | - Antonio Caballero
- Departamento de Química Orgánica, Universidad de Murcia, Campus de Espinardo, 30100, Murcia, Spain.
| | - Antonio Frontera
- Department of Chemistry, Universitat de les Illes Balears, Crta. de Valldemossa km 7.5, 07122 Palma de Mallorca, Spain.
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28
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Beau M, Jeannin O, Fourmigué M, Auban-Senzier P, Barrière F, Jeon IR. Oxidation-induced activation of chalcogen bonding in redox-active bis(selenomethyl)tetrathiafulvalene derivatives. CrystEngComm 2022. [DOI: 10.1039/d2ce01168a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Tetrathiafulvalene, upon its oxidation, activates Se-atoms and consequently drives a strong and directional chalcogen bonding interaction with a bromide anion.
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Affiliation(s)
- Maxime Beau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Pascale Auban-Senzier
- Laboratoire de Physique des Solides UMR 8502 CNRS-Université Paris-Saclay, Bat 510, 91405 Orsay cedex, France
| | - Frédéric Barrière
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000 Rennes, France
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29
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Weng P, Yan X, Cao J, Li Z, Jiang YB. Intramolecular chalcogen bonding to tune molecular conformation of helical building block for supramolecular helix. Chem Commun (Camb) 2022; 58:6461-6464. [DOI: 10.1039/d2cc01615j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We propose to employ intramolecular chalcogen bonding to make the helical building block take its otherwise unfavorable cis-conformation. 2,5-Thiophenediamide motif was taken to bridge two β-turn structures to lead to...
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30
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Liang J, Shi Y, Lu Y, Xu Z, Liu H. Square tetravalent chalcogen bonds in dimeric aggregates: a joint crystallographic survey and theoretical study. CrystEngComm 2022. [DOI: 10.1039/d1ce01364e] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Square tetravalent chalcogen bonds were systematically investigated through a combination of crystal structure analysis and DFT calculations.
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Affiliation(s)
- Jinwei Liang
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Yulong Shi
- Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Yunxiang Lu
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, China
| | - Zhijian Xu
- Drug Discovery and Design Center, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Honglai Liu
- Key Laboratory for Advanced Materials, School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai, 200237, China
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31
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Fan D, Chen L, Wang C, Yin S, Mo Y. Inter-anion chalcogen bonds: Are they anti-electrostatic in nature? J Chem Phys 2021; 155:234302. [PMID: 34937369 DOI: 10.1063/5.0076872] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Inter-anion hydrogen and halogen bonds have emerged as counterintuitive linkers and inspired us to expand the range of this unconventional bonding pattern. Here, the inter-anion chalcogen bond (IAChB) was proposed and theoretically analyzed in a series of complexes formed by negatively charged bidentate chalcogen bond donors with chloride anions. The kinetic stability of IAChB was evidenced by the minima on binding energy profiles and further supported by ab initio molecular dynamic simulations. The block-localized wave function (BLW) method and its subsequent energy decomposition (BLW-ED) approach were employed to elucidate the physical origin of IAChB. While all other energy components vary monotonically as anions get together, the electrostatic interaction behaves exceptionally as it experiences a Coulombic repulsion barrier. Before reaching the barrier, the electrostatic repulsion increases with the shortening Ch⋯Cl- distance as expected from classical electrostatics. However, after passing the barrier, the electrostatic repulsion decreases with the Ch⋯Cl- distance shortening and subsequently turns into the most favorable trend among all energy terms at short ranges, representing a dominating force for the kinetic stability of inter-anions. For comparison, all energy components exhibit the same trends and vary monotonically in the conventional counterparts where donors are neutral. By comparing inter-anions and their conventional counterparts, we found that only the electrostatic energy term is affected by the extra negative charge. Remarkably, the distinctive (nonmonotonic) electrostatic energy profiles were reproduced using quantum mechanical-based atomic multipoles, suggesting that the crucial electrostatic interaction in IAChB can be rationalized within the classical electrostatic theory just like conventional non-covalent interactions.
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Affiliation(s)
- Dan Fan
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Li Chen
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Changwei Wang
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Shiwei Yin
- Key Laboratory for Macromolecular Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710119, China
| | - Yirong Mo
- Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, University of North Carolina at Greensboro, Greensboro, North Carolina 27401, USA
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32
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Ho PC, Tomassetti V, Britten JF, Vargas-Baca I. Iso-Tellurazolium -N-Phenoxides: A Family of Te···O Chalcogen-Bonding Supramolecular Building Blocks. Inorg Chem 2021; 60:16726-16733. [PMID: 34672560 DOI: 10.1021/acs.inorgchem.1c02585] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Formal substitution of the oxygen atom of an iso-tellurazole N-oxide with deprotonated (ortho, meta, and para)-hydroxyphenyl groups generated molecules that readily aggregate through Te···O chalcogen bonding (ChB) interactions. The molecules undergo autoassociation in solution, as shown by variable temperature (VT) 1H NMR experiments and paralleling the behavior of iso-tellurazole N-oxides. Judicious adjustment of crystallization conditions enabled the isolation of either polymeric or macrocyclic aggregates. Among the latter, the ortho compound assembled a calixarene-like trimer, while the para isomer built a macrocyclic tetramer akin to a molecular square. The Te···O ChB distances in these structures range from 2.13 to 2.17 Å, comparable to those in the structures of iso-tellurazole N-oxides. DFT calculations estimate that the corresponding Te···O ChB energies are between -122 and -195 kJ mol-1 in model dimers and suggest that macrocyclic aggregation enhances these interactions.
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Affiliation(s)
- Peter C Ho
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Valerie Tomassetti
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - James F Britten
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
| | - Ignacio Vargas-Baca
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, Hamilton, Ontario, Canada L8S 4M1
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33
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Awolade P, Cele N, Kerru N, Singh P. Synthesis, antimicrobial evaluation, and in silico studies of quinoline-1H-1,2,3-triazole molecular hybrids. Mol Divers 2021; 25:2201-2218. [PMID: 32507981 DOI: 10.1007/s11030-020-10112-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/27/2020] [Indexed: 11/26/2022]
Abstract
Antimicrobial resistance has become a significant threat to global public health, thus precipitating an exigent need for new drugs with improved therapeutic efficacy. In this regard, molecular hybridization is deemed as a viable strategy to afford multi-target-based drug candidates. Herein, we report a library of quinoline-1H-1,2,3-triazole molecular hybrids synthesized via copper(I)-catalyzed azide-alkyne [3 + 2] dipolar cycloaddition reaction (CuAAC). Antimicrobial evaluation identified compound 16 as the most active hybrid in the library with a broad-spectrum antibacterial activity at an MIC80 value of 75.39 μM against methicillin-resistant S. aureus, E. coli, A. baumannii, and multidrug-resistant K. pneumoniae. The compound also showed interesting antifungal profile against C. albicans and C. neoformans at an MIC80 value of 37.69 and 2.36 μM, respectively, superior to fluconazole. In vitro toxicity profiling revealed non-hemolytic activity against human red blood cells (hRBC) but partial cytotoxicity to human embryonic kidney cells (HEK293). Additionally, in silico studies predicted excellent drug-like properties and the importance of triazole ring in stabilizing the complexation with target proteins. Overall, these results present compound 16 as a promising scaffold on which other molecules can be modeled to deliver new antimicrobial agents with improved potency.
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Affiliation(s)
- Paul Awolade
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Nosipho Cele
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Nagaraju Kerru
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa
| | - Parvesh Singh
- School of Chemistry and Physics, University of KwaZulu-Natal, P/Bag X54001, Westville, Durban, South Africa.
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34
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Cheong Tse Y, Hein R, Mitchell EJ, Zhang Z, Beer PD. Halogen-Bonding Strapped Porphyrin BODIPY Rotaxanes for Dual Optical and Electrochemical Anion Sensing. Chemistry 2021; 27:14550-14559. [PMID: 34319624 PMCID: PMC8596797 DOI: 10.1002/chem.202102493] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Indexed: 11/13/2022]
Abstract
Anion receptors employing two distinct sensory mechanisms are rare. Herein, we report the first examples of halogen-bonding porphyrin BODIPY [2]rotaxanes capable of both fluorescent and redox electrochemical sensing of anions. 1 H NMR, UV/visible and electrochemical studies revealed rotaxane axle triazole group coordination to the zinc(II) metalloporphyrin-containing macrocycle component, serves to preorganise the rotaxane binding cavity and dramatically enhances anion binding affinities. Mechanically bonded, integrated-axle BODIPY and macrocycle strapped metalloporphyrin motifs enable the anion recognition event to be sensed by the significant quenching of the BODIPY fluorophore and cathodic perturbations of the metalloporphyrin P/P+. redox couple.
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Affiliation(s)
- Yuen Cheong Tse
- Chemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Robert Hein
- Chemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Edward J. Mitchell
- Chemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Zongyao Zhang
- Chemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
| | - Paul D. Beer
- Chemistry Research LaboratoryDepartment of ChemistryUniversity of Oxford12 Mansfield RoadOxfordOX1 3TAUK
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35
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He X, Wang X, Tse YLS, Ke Z, Yeung YY. Bis-selenonium Cations as Bidentate Chalcogen Bond Donors in Catalysis. ACS Catal 2021. [DOI: 10.1021/acscatal.1c03622] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Xinxin He
- Department of Chemistry and The State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Xinyan Wang
- Department of Chemistry and The State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Ying-Lung Steve Tse
- Department of Chemistry and The State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Zhihai Ke
- Department of Chemistry and The State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Ying-Yeung Yeung
- Department of Chemistry and The State Key Laboratory of Synthetic Chemistry, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
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36
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Al Isawi WA, Salome AZ, Ahmed BM, Zeller M, Mezei G. Selective binding of anions by rigidified nanojars: sulfate vs. carbonate. Org Biomol Chem 2021; 19:7641-7654. [PMID: 34524323 DOI: 10.1039/d1ob01318a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Selective binding and transport of highly hydrophilic anions is ubiquitous in nature, as anion binding proteins can differentiate between similar anions with over a million-fold efficiency. While comparable selectivity has occasionally been achieved for certain anions using small, artificial receptors, the selective binding of certain anions, such as sulfate in the presence of carbonate, remains a very challenging task. Nanojars of the formula [anion⊂{Cu(OH)(pz)}n]2- (pz = pyrazolate; n = 27-33) are totally selective for either CO32- or SO42- over anions such as NO3-, ClO4-, BF4-, Cl-, Br- and I-, but cannot differentiate between the two. We hypothesized that rigidification of the nanojar outer shell by tethering pairs of pyrazole moieties together will restrict the possible orientations of the OH hydrogen-bond donor groups in the anion-binding cavity of nanojars, similarly to anion-binding proteins, and will lead to selectivity. Indeed, by using either homoleptic or heteroleptic nanojars of the general formula [anion⊂Cun(OH)n(L2-L6)y(pz)n-2y]2- (n = 26-31) based on a series of homologous ligands HpzCH2(CH2)xCH2pzH (x = 0-4; H2L2-H2L6), selectivity for carbonate (with L2 and with L4-L6/pz mixtures) or for sulfate (with L3) has been achieved. The synthesis of new ligands H2L3, H2L4 and H2L5, X-ray crystal structures of H2L4 and the tetrahydropyranyl-protected derivatives (THP)2L4 and (THP)2L5, synthesis and characterization by electrospray-ionization mass spectrometry (ESI-MS) of carbonate- and sulfate-nanojars derived from ligands H2L2-H2L6, as well as detailed selectivity studies for CO32-vs. SO42- using these novel nanojars are presented.
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Affiliation(s)
- Wisam A Al Isawi
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
| | - Austin Z Salome
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
| | - Basil M Ahmed
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
| | - Matthias Zeller
- Department of Chemistry, Purdue University, West Lafayette, Indiana 47907, USA
| | - Gellert Mezei
- Department of Chemistry, Western Michigan University, Kalamazoo, Michigan 49008, USA.
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37
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Tzeli D, Petsalakis ID, Theodorakopoulos G, Rahman FU, Yu Y, Rebek J. The role of electric field, peripheral chains, and magnetic effects on significant 1H upfield shifts of the encapsulated molecules in chalcogen-bonded capsules. Phys Chem Chem Phys 2021; 23:19647-19658. [PMID: 34524297 DOI: 10.1039/d1cp02277f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The chalcogen-bonded homo-cavitand and hetero-cavitand AY+AY' capsules (Y, Y' = Se, Te), as well as their encapsulated complexes with one or two guest molecules have been studied theoretically via density functional theory (DFT), while the 1H NMR spectra of the homo-cavitand encapsulated complexes (in ASe+ASe) have been measured experimentally. There is excellent agreement between theoretical and experimental spectra. In all cases, we found significant 1H upfield shifts which are more intense in the ASe+ASe cage compared to the ATe+ATe and ASe+ATe cages. The non-uniform electron distribution which gives rise to an inherent electric field and a non-zero electric dipole moment of the encapsulated complexes, the induced electric field effects, the magnetic anisotropy which is enhanced due to the polarizability of chalcogen atoms, and the peripheral chains, which are responsible for the solubility of the cages, increase the upfield shifts of 1H of the encapsulated molecules; the peripheral chains lead to an increase of the upfield shifts by up to 1.8 ppm for H of the rim and up to 1.2 ppm for the terminal H in the interior of the cage. Hence, substantial 1H upfield chemical shifts of the guests in these capsules are consequences of (i) the enhanced aromaticity of the walls of the capsules due to the polarizability of chalcogen atoms, (ii) the induced and inherent electric field effects, and (iii) the peripheral chains.
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Affiliation(s)
- Demeter Tzeli
- Laboratory of Physical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens 157 71, Greece. .,Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., Athens 116 35, Greece.
| | - Ioannis D Petsalakis
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., Athens 116 35, Greece.
| | - Giannoula Theodorakopoulos
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., Athens 116 35, Greece.
| | - Faiz-Ur Rahman
- Inner Mongolia Mongolia University Research Center for Glycochemistry of Characteristic Medicinal Resources, Department of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot, China.,Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, Shanghai University, 99 Shang-Da Road, Shanghai 200444, P. R. China
| | - Yang Yu
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, Shanghai University, 99 Shang-Da Road, Shanghai 200444, P. R. China
| | - Julius Rebek
- Center for Supramolecular Chemistry and Catalysis and Department of Chemistry, Shanghai University, 99 Shang-Da Road, Shanghai 200444, P. R. China.,Skaggs Institute for Chemical Biology and Department of Chemistry, The Scripps Research Institute, La Jolla, California 92037, USA
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38
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Shi D, Cao J, Weng P, Yan X, Li Z, Jiang YB. Chalcogen bonding mediates the formation of supramolecular helices of azapeptides in crystals. Org Biomol Chem 2021; 19:6397-6401. [PMID: 34251014 DOI: 10.1039/d1ob01053k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
To explore whether chalcogen bonding was able to drive the formation of supramolecular helices, alanine-based azapeptides containing a β-turn structure, with a thiophene group, respectively, incorporated in the N- or C-terminus, were employed as helical building blocks. While the former derivative formed a supramolecular M-helix via intermolecular SS chalcogen bonding in crystals, the latter formed P-helix via intermolecular SO chalcogen bonding.
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Affiliation(s)
- Di Shi
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and iChEM, Xiamen University, Xiamen 361005, China.
| | - Jinlian Cao
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and iChEM, Xiamen University, Xiamen 361005, China.
| | - Peimin Weng
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and iChEM, Xiamen University, Xiamen 361005, China.
| | - Xiaosheng Yan
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and iChEM, Xiamen University, Xiamen 361005, China.
| | - Zhao Li
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and iChEM, Xiamen University, Xiamen 361005, China.
| | - Yun-Bao Jiang
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and iChEM, Xiamen University, Xiamen 361005, China.
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39
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Ho PC, Lomax J, Tomassetti V, Britten JF, Vargas-Baca I. Competing Effects of Chlorination on the Strength of Te⋅⋅⋅O Chalcogen Bonds Select the Structure of Mixed Supramolecular Macrocyclic Aggregates of Iso-Tellurazole N-Oxides. Chemistry 2021; 27:10849-10853. [PMID: 34018275 DOI: 10.1002/chem.202101425] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Indexed: 12/14/2022]
Abstract
Chlorination of 3-methyl-5-phenyl-1,2-tellurazole-2-oxide yielded the λ4 Te dichloro derivative. Its crystal structure demonstrates that the heterocycle retains its ability to autoassociate by chalcogen bonding (ChB) forming macrocyclic tetramers. The corresponding Te⋅⋅⋅O ChB distances are 2.062 Å, the shortest observed to date in aggregates of this type. DFT-D3 calculations indicate that while the halogenated molecule is stronger as a ChB donor it also is a weaker ChB acceptor; the overall effect is that the ChBs in the chlorinated homotetramer are not significantly stronger. However, partial halogenation or scrambling selectively yield the 2 : 2 heterotetramer with alternating λ4 Te and λ2 Te centers, which calculations identified as the thermodynamically preferred arrangement.
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Affiliation(s)
- Peter C Ho
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, L8S 4 M1, Hamilton, Ontario, Canada
| | - Justin Lomax
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, L8S 4 M1, Hamilton, Ontario, Canada
| | - Valerie Tomassetti
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, L8S 4 M1, Hamilton, Ontario, Canada
| | - James F Britten
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, L8S 4 M1, Hamilton, Ontario, Canada
| | - Ignacio Vargas-Baca
- Department of Chemistry and Chemical Biology, McMaster University, 1280 Main Street West, L8S 4 M1, Hamilton, Ontario, Canada
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40
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Mullin WJ, Sharber SA, Thomas SW. Optimizing the
self‐assembly
of conjugated polymers and small molecules through structurally programmed
non‐covalent
control. JOURNAL OF POLYMER SCIENCE 2021. [DOI: 10.1002/pol.20210290] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
| | - Seth A. Sharber
- Department of Chemistry Tufts University Medford Massachusetts USA
- Aramco Services Company, Aramco Research Center Boston Massachusetts USA
| | - Samuel W. Thomas
- Department of Chemistry Tufts University Medford Massachusetts USA
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41
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Zhou B, Gabbaï FP. Lewis Acidic Telluronium Cations: Enhanced Chalcogen-Bond Donor Properties and Application to Transfer Hydrogenation Catalysis. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00279] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Benyu Zhou
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States of America
| | - François P. Gabbaï
- Department of Chemistry, Texas A&M University, College Station, Texas 77843-3255, United States of America
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42
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Zhou B, Gabbaï FP. Anion Chelation via Double Chalcogen Bonding: The Case of a Bis-telluronium Dication and Its Application in Electrophilic Catalysis via Metal-Chloride Bond Activation. J Am Chem Soc 2021; 143:8625-8630. [PMID: 34085823 DOI: 10.1021/jacs.1c04482] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Telluronium cations have long been known to engage their counteranions via secondary interactions. Yet, this property has rarely been exploited for anion binding. Motivated by such an application, we have now synthesized a bis-telluronium dication ([3]2+) that was obtained as a tetrafluoroborate salt by reaction of 2,7-di-tert-butyl-9,9-dimethylxanthene-4,5-diboronic acid with phenoxatellurine difluoride and BF3·OEt2. As confirmed by the formation of Te-(μ-BF4)-Te bridges in the structure of [3][BF4]2, [3]2+ functions as a bidentate Lewis acid toward anions. [3][BF4]2 has also been converted into the more exposed [3][BArF24]2 ([BArF24]- = [B(3,5-(CF3)2C6H3)4]-). The latter, which readily ionizes Ph3CCl, displays a chloride anion binding constant that exceeds that of a monofunctional model compound by almost 4 orders of magnitude. The unique properties of this new bis-telluronium dication are further highlighted by its ability to activate Ph3PAuCl and cis-(Ph3P)2PtCl2, leading to catalytic systems highly active in the cycloisomerization of propargylamide or enyne substrates.
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Affiliation(s)
- Benyu Zhou
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
| | - François P Gabbaï
- Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States
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43
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Haakansson CT, Corkish TR, Watson PD, Robinson HT, Tsui T, McKinley AJ, Wild DA. Spectroscopic Investigation of Chalcogen Bonding: Halide-Carbon Disulfide Complexes. Chemphyschem 2021; 22:808-812. [PMID: 33704887 DOI: 10.1002/cphc.202100148] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Indexed: 11/09/2022]
Abstract
A combined experimental and theoretical approach has been used to study intermolecular chalcogen bonding. Specifically, the chalcogen bonding occurring between halide anions and CS2 molecules has been investigated using both anion photoelectron spectroscopy and high-level CCSD(T) calculations. The relative strength of the chalcogen bond has been determined computationally using the complex dissociation energies as well as experimentally using the electron stabilisation energies. The anion complexes featured dissociation energies on the order of 47 kJ/mol to 37 kJ/mol, decreasing with increasing halide size. Additionally, the corresponding neutral complexes have been examined computationally, and show three loosely-bound structural motifs and a molecular radical.
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Affiliation(s)
- Christian T Haakansson
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
| | - Timothy R Corkish
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
| | - Peter D Watson
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
| | - Hayden T Robinson
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
| | - Terrence Tsui
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
| | - Allan J McKinley
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
| | - Duncan A Wild
- School of Molecular Sciences, The University of Western Australia, 35 Stirling Highway, Crawley, 6009, Perth, Western Australia
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44
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Kong X, Zhou PP, Wang Y. Chalcogen⋅⋅⋅π Bonding Catalysis. Angew Chem Int Ed Engl 2021; 60:9395-9400. [PMID: 33528075 DOI: 10.1002/anie.202101140] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Indexed: 12/14/2022]
Abstract
While the presence of sulfur⋅⋅⋅π bonding interaction is a general phenomenon in the biological systems, the exploitation of this noncovalent force in a chemical process yet remains elusive. Herein, we describe the concept of chalcogen⋅⋅⋅π bonding catalysis that activates molecules of π systems through the interaction between chalcogen and π-electron cloud. The proof-of-concept studies using a vinylindole-based Diels-Alder benchmark reaction demonstrate that S⋅⋅⋅π and Se⋅⋅⋅π bonding interaction can drive the cycloaddition reaction efficiently. Experimental results suggest that a simultaneously double Se⋅⋅⋅π bonding interaction directs the stereoselectivity in this cycloaddition process.
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Affiliation(s)
- Xiangjin Kong
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, China
| | - Pan-Pan Zhou
- College of Chemistry and Chemical Engineering, Key Laboratory of Special Function Materials and Structure Design of Ministry of Education, Lanzhou University, Lanzhou, 730000, China
| | - Yao Wang
- School of Chemistry and Chemical Engineering, Key Laboratory of the Colloid and Interface Chemistry, Ministry of Education, Shandong University, Jinan, 250100, China
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45
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Zierkiewicz W, Michalczyk M, Scheiner S. Noncovalent Bonds through Sigma and Pi-Hole Located on the Same Molecule. Guiding Principles and Comparisons. Molecules 2021; 26:1740. [PMID: 33804617 PMCID: PMC8003638 DOI: 10.3390/molecules26061740] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/16/2021] [Accepted: 03/17/2021] [Indexed: 01/21/2023] Open
Abstract
Over the last years, scientific interest in noncovalent interactions based on the presence of electron-depleted regions called σ-holes or π-holes has markedly accelerated. Their high directionality and strength, comparable to hydrogen bonds, has been documented in many fields of modern chemistry. The current review gathers and digests recent results concerning these bonds, with a focus on those systems where both σ and π-holes are present on the same molecule. The underlying principles guiding the bonding in both sorts of interactions are discussed, and the trends that emerge from recent work offer a guide as to how one might design systems that allow multiple noncovalent bonds to occur simultaneously, or that prefer one bond type over another.
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Affiliation(s)
- Wiktor Zierkiewicz
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Mariusz Michalczyk
- Faculty of Chemistry, Wrocław University of Science and Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
| | - Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University Logan, Logan, UT 84322-0300, USA;
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46
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Affiliation(s)
- Xiangjin Kong
- School of Chemistry and Chemical Engineering Key Laboratory of the Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 China
| | - Pan‐Pan Zhou
- College of Chemistry and Chemical Engineering Key Laboratory of Special Function Materials and Structure Design of Ministry of Education Lanzhou University Lanzhou 730000 China
| | - Yao Wang
- School of Chemistry and Chemical Engineering Key Laboratory of the Colloid and Interface Chemistry Ministry of Education Shandong University Jinan 250100 China
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47
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McConnell AJ, Docker A, Beer PD. From Heteroditopic to Multitopic Receptors for Ion-Pair Recognition: Advances in Receptor Design and Applications. Chempluschem 2021; 85:1824-1841. [PMID: 32833334 DOI: 10.1002/cplu.202000484] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 07/28/2020] [Indexed: 12/30/2022]
Abstract
Ion-pair recognition has emerged from cation and anion recognition and become a diverse and active field in its own right. The last decade has seen significant advances in receptor design in terms of the types of binding motifs, understanding of cooperativity and increase in complexity from heteroditopic to multitopic receptors. As a result, attention has turned to applying this knowledge to the rational design of ion-pair receptors for applications in salt solubilisation and extraction, membrane transport and sensing. This Review highlights recent progress and developments in the design and applications of heteroditopic and multitopic receptors for ion-pair recognition.
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Affiliation(s)
- Anna J McConnell
- Otto Diels Institute of Organic Chemistry, Christian-Albrechts-Universität zu Kiel, Otto-Hahn-Platz 4, Kiel, 24098, Germany
| | - Andrew Docker
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, United Kingdom
| | - Paul D Beer
- Department of Chemistry, University of Oxford, Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, United Kingdom
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48
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Huber SM, Steinke T, Wonner P, Engelage E. Catalytic Activation of a Carbon–Chloride Bond by Dicationic Tellurium-Based Chalcogen Bond Donors. SYNTHESIS-STUTTGART 2021. [DOI: 10.1055/a-1372-6309] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
AbstractNoncovalent interactions such as halogen bonding (XB) and chalcogen bonding (ChB) have gained increased interest over the last decade. Whereas XB-based organocatalysis has been studied in some detail by now, intermolecular ChB catalysis only emerged quite recently. Herein, bidentate cationic tellurium-based chalcogen bond donors are employed in the catalytic chloride abstraction of 1-chloroisochroman. While selenium-based ChB catalysts showed only minor activity in this given benchmark reaction, tellurium-based variants exhibited strong activity, with rate accelerations of up to 40 relative to non-chalogenated reference compounds. In general, the activity of the catalysts improved with weaker coordinating counterions, but tetrafluoroborate took part in a fluoride transfer side reaction. Catalyst stability was confirmed via a fluoro-tagged variant.
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49
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Beau M, Lee S, Kim S, Han WS, Jeannin O, Fourmigué M, Aubert E, Espinosa E, Jeon IR. Strong σ-Hole Activation on Icosahedral Carborane Derivatives for a Directional Halide Recognition. Angew Chem Int Ed Engl 2021; 60:366-370. [PMID: 32926491 DOI: 10.1002/anie.202010462] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Indexed: 12/14/2022]
Abstract
Crystal engineering based on σ-hole interactions is an emerging approach for realization of new materials with higher complexity. Neutral inorganic clusters derived from 1,2-dicarba-closo-dodecaborane, substituted with -SeMe, -TeMe, and -I moieties on both skeletal carbon vertices are experimentally demonstrated herein as outstanding chalcogen- and halogen-bond donors. In particular, these new molecules strongly interact with halide anions in the solid-state. The halide ions are coordinated by one or two donor groups (μ1 - and μ2 -coordinations), to stabilize a discrete monomer or dimer motifs to 1D supramolecular zig-zag chains. Crucially, the observed chalcogen bond and halogen bond interactions feature remarkably short distances and high directionality. Electrostatic potential calculations further demonstrate the efficiency of the carborane derivatives, with Vs,max being similar or even superior to that of reference organic halogen-bond donors, such as iodopentafluorobenzene.
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Affiliation(s)
- Maxime Beau
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Sunhee Lee
- Department of Chemistry, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Sooyeon Kim
- Department of Chemistry, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Won-Sik Han
- Department of Chemistry, Seoul Women's University, Seoul, 01797, Republic of Korea
| | - Olivier Jeannin
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Marc Fourmigué
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
| | - Emmanuel Aubert
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-lès-Nancy, France
| | - Enrique Espinosa
- Laboratoire CRM2, UMR CNRS 7036, Institut Jean Barriol, Université de Lorraine, BP 70239, 54506, Vandoeuvre-lès-Nancy, France
| | - Ie-Rang Jeon
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes), Campus de Beaulieu, 35000, Rennes, France
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50
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Beau M, Lee S, Kim S, Han W, Jeannin O, Fourmigué M, Aubert E, Espinosa E, Jeon I. Strong
σ
‐Hole Activation on Icosahedral Carborane Derivatives for a Directional Halide Recognition. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202010462] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Maxime Beau
- Univ Rennes CNRS ISCR (Institut des Sciences Chimiques de Rennes) Campus de Beaulieu 35000 Rennes France
| | - Sunhee Lee
- Department of Chemistry Seoul Women's University Seoul 01797 Republic of Korea
| | - Sooyeon Kim
- Department of Chemistry Seoul Women's University Seoul 01797 Republic of Korea
| | - Won‐Sik Han
- Department of Chemistry Seoul Women's University Seoul 01797 Republic of Korea
| | - Olivier Jeannin
- Univ Rennes CNRS ISCR (Institut des Sciences Chimiques de Rennes) Campus de Beaulieu 35000 Rennes France
| | - Marc Fourmigué
- Univ Rennes CNRS ISCR (Institut des Sciences Chimiques de Rennes) Campus de Beaulieu 35000 Rennes France
| | - Emmanuel Aubert
- Laboratoire CRM2 UMR CNRS 7036 Institut Jean Barriol Université de Lorraine BP 70239, 54506 Vandoeuvre-lès-Nancy France
| | - Enrique Espinosa
- Laboratoire CRM2 UMR CNRS 7036 Institut Jean Barriol Université de Lorraine BP 70239, 54506 Vandoeuvre-lès-Nancy France
| | - Ie‐Rang Jeon
- Univ Rennes CNRS ISCR (Institut des Sciences Chimiques de Rennes) Campus de Beaulieu 35000 Rennes France
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