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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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2
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Tseng IC, Zhang MX, Kang SL, Chiu SH. An Anion-Switchable Dual-Function Rotaxane Catalyst. Angew Chem Int Ed Engl 2023; 62:e202309889. [PMID: 37670563 DOI: 10.1002/anie.202309889] [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: 07/12/2023] [Revised: 08/22/2023] [Accepted: 09/05/2023] [Indexed: 09/07/2023]
Abstract
In situ switching of the associated anions of a rotaxane catalyst between Cl- and TFPB- exposes its dialkylammonium and imidazolium stations, respectively, thereby selectively catalyzing the reactions of a mixture of trans-cinnamaldehyde and an aliphatic thiol to yield the Michael adduct and the thioacetal product, respectively.
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Affiliation(s)
- I-Cheng Tseng
- Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Min-Xuan Zhang
- Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Shih-Lun Kang
- Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Sheng-Hsien Chiu
- Department of Chemistry and Center for Emerging Material and Advanced Devices, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
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3
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Hum G, Phang SJI, Ong HC, León F, Quek S, Khoo YXJ, Li C, Li Y, Clegg JK, Díaz J, Stuparu MC, García F. Main Group Molecular Switches with Swivel Bifurcated to Trifurcated Hydrogen Bond Mode of Action. J Am Chem Soc 2023. [PMID: 37267593 DOI: 10.1021/jacs.2c12713] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Artificial molecular machines have captured the full attention of the scientific community since Jean-Pierre Sauvage, Fraser Stoddart, and Ben Feringa were awarded the 2016 Nobel Prize in Chemistry. The past and current developments in molecular machinery (rotaxanes, rotors, and switches) primarily rely on organic-based compounds as molecular building blocks for their assembly and future development. In contrast, the main group chemical space has not been traditionally part of the molecular machine domain. The oxidation states and valency ranges within the p-block provide a tremendous wealth of structures with various chemical properties. Such chemical diversity─when implemented in molecular machines─could become a transformative force in the field. Within this context, we have rationally designed a series of NH-bridged acyclic dimeric cyclodiphosphazane species, [(μ-NH){PE(μ-NtBu)2PE(NHtBu)}2] (E = O and S), bis-PV2N2, displaying bimodal bifurcated R21(8) and trifurcated R31(8,8) hydrogen bonding motifs. The reported species reversibly switch their topological arrangement in the presence and absence of anions. Our results underscore these species as versatile building blocks for molecular machines and switches, as well as supramolecular chemistry and crystal engineering based on cyclophosphazane frameworks.
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Affiliation(s)
- Gavin Hum
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Si Jia Isabel Phang
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - How Chee Ong
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Felix León
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Shina Quek
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Yi Xin Joycelyn Khoo
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Chenfei Li
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Yongxin Li
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Jack K Clegg
- School of Chemistry and Molecular Biosciences, The University of Queensland, Cooper Road, St Lucia 4072, Queensland, Australia
| | - Jesús Díaz
- Departamento de Química Orgánica e Inorgánica, Facultad de Veterinaria Extremadura, Avda de la Universidad s/n, Cáceres 10003, Spain
| | - Mihaiela C Stuparu
- School of Chemistry, Chemical Engineering & Biotechnology, Nanyang Technological University, 21 Nanyang Link, 637371 Singapore, Singapore
| | - Felipe García
- Departamento de Química Orgánica e Inorgánica, Facultad de Química, Universidad de Oviedo, Julián Claveria 8, Oviedo 33006, Asturias, Spain
- School of Chemistry, Monash University, Clayton 3800, Victoria, Australia
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4
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Koehler V, Gauthier M, Yao C, Fournel-Marotte K, Waelès P, Kauffmann B, Huc I, Coutrot F, Ferrand Y. [3]Foldarotaxane-mediated synthesis of an improbable [2]rotaxane. Chem Commun (Camb) 2022; 58:8618-8621. [PMID: 35786713 DOI: 10.1039/d2cc03066g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The wrapping of an aromatic oligoamide helix around an active ester-containing [2]rotaxane enforced the sliding and the sequestration of the surrounding macrocycle around a part of the axle for which it has no formal affinity. The foldamer-mediated compartmentalization of the [2]rotaxane shuttle was subsequently used to prepare an improbable rotaxane.
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Affiliation(s)
- Victor Koehler
- Institut de Chimie et Biologie des Membranes et Nano-objets CBMN (UMR5248), Université de Bordeaux, CNRS, IPB, 2 rue Robert Escarpit, 33600, Pessac, France.
| | - Maxime Gauthier
- Supramolecular Machines and Archtectures Team, IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
| | - Chenhao Yao
- Institut de Chimie et Biologie des Membranes et Nano-objets CBMN (UMR5248), Université de Bordeaux, CNRS, IPB, 2 rue Robert Escarpit, 33600, Pessac, France.
| | - Karine Fournel-Marotte
- Supramolecular Machines and Archtectures Team, IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
| | - Philip Waelès
- Supramolecular Machines and Archtectures Team, IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
| | - Brice Kauffmann
- Université de Bordeaux, CNRS, INSERM, UMS3033, IECB, 2 rue Robert Escarpit, 33600, Pessac, France
| | - Ivan Huc
- Department of Pharmacy, Ludwig-Maximilians-Universität, Butenandtstr. 5-13, 81377, München, Germany
| | - Frédéric Coutrot
- Supramolecular Machines and Archtectures Team, IBMM, Univ Montpellier, CNRS, ENSCM, Montpellier, France.
| | - Yann Ferrand
- Institut de Chimie et Biologie des Membranes et Nano-objets CBMN (UMR5248), Université de Bordeaux, CNRS, IPB, 2 rue Robert Escarpit, 33600, Pessac, France.
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5
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Borsley S, Leigh DA, Roberts BMW. A Doubly Kinetically-Gated Information Ratchet Autonomously Driven by Carbodiimide Hydration. J Am Chem Soc 2021; 143:4414-4420. [DOI: 10.1021/jacs.1c01172] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Stefan Borsley
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - David A. Leigh
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Benjamin M. W. Roberts
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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6
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Foyle ÉM, White NG. Anion Templated Supramolecular Structures Assembled using 1,2,3-Triazole and Triazolium motifs. Chem Asian J 2021; 16:575-587. [PMID: 33576575 DOI: 10.1002/asia.202100040] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 02/03/2021] [Indexed: 12/12/2022]
Abstract
The use of 1,2,3-triazole and triazolium motifs to construct anion templated supramolecular structures has grown rapidly over the past decade and has enabled a range of complex structures to be synthesised. In this Minireview we highlight the significant advances that have been made in areas such as foldamers, polymers and interlocked systems.
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Affiliation(s)
- Émer M Foyle
- Research School of Chemistry, The Australian National University, Canberra, ACT, Australia
| | - Nicholas G White
- Research School of Chemistry, The Australian National University, Canberra, ACT, Australia
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7
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Sluysmans D, Lussis P, Fustin CA, Bertocco A, Leigh DA, Duwez AS. Real-Time Fluctuations in Single-Molecule Rotaxane Experiments Reveal an Intermediate Weak Binding State during Shuttling. J Am Chem Soc 2021; 143:2348-2352. [PMID: 33417442 DOI: 10.1021/jacs.0c12161] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
We report on the use of atomic force microscopy (AFM) to identify and characterize an intermediate state in macrocycle shuttling in a hydrogen bonded amide-based molecular shuttle. The [2]rotaxane consists of a benzylic amide macrocycle mechanically locked onto a thread that bears both fumaramide and succinic amide-ester sites, each of which can bind to the macrocycle through up to four intercomponent hydrogen bonds. Using AFM-based single-molecule force spectroscopy, we mechanically triggered the translocation of the ring between the two principal binding sites ("stations") on the axle. Equilibrium fluctuations reveal another interacting site involving the two oxygen atoms in the middle of the thread. We characterized the ring occupancy distribution over time, which confirms the intermediate in both shuttling directions. The study provides evidence of weak hydrogen bonds that are difficult to detect using other methods and shows how the composition of the thread can significantly influence the shuttling dynamics by slowing down the ring motion between the principal binding sites. More generally, the study illustrates the utility that single-molecule experiments, such as force spectroscopy, can offer for elucidating the structure and dynamics of synthetic molecular machines.
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Affiliation(s)
- Damien Sluysmans
- UR MolSys, University of Liege, Sart-Tilman, B6a, 4000 Liege, Belgium
| | - Perrine Lussis
- UR MolSys, University of Liege, Sart-Tilman, B6a, 4000 Liege, Belgium
| | - Charles-André Fustin
- Bio and Soft Matter Division (BSMA), Institute of Condensed Matter and Nanosciences (IMCN), Université catholique de Louvain, Place L. Pasteur 1 and Croix du Sud 1, Louvain-la-Neuve B-1348, Belgium
| | - Andrea Bertocco
- Department of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
| | - David A Leigh
- Department of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Anne-Sophie Duwez
- UR MolSys, University of Liege, Sart-Tilman, B6a, 4000 Liege, Belgium
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8
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Ng AWH, Leung YH, Au-Yeung HY. Dynamics of mechanically bonded macrocycles in radial hetero[4]catenane isomers. Org Chem Front 2021. [DOI: 10.1039/d0qo01658f] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A pair of radial [4]catenane isomers interlocked with two CB[6]s and one β-CD is reported. Due to the different positions of the tightly bound CB[6]s, shuttling dynamics of the β-CD between the two biphenyl stations are different in the isomers.
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Affiliation(s)
| | - Yu Hin Leung
- Department of Chemistry
- The University of Hong Kong
- Hong Kong
- P. R. China
| | - Ho Yu Au-Yeung
- Department of Chemistry
- The University of Hong Kong
- Hong Kong
- P. R. China
- State Key Laboratory of Synthetic Chemistry and CAS-HKU Joint Laboratory of Metallomics on Health and Environment
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9
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Mandal K, Bansal D, Kumar Y, Rustam, Shukla J, Mukhopadhyay P. Halogen-Bonded Assemblies of Arylene Imides and Diimides: Insight from Electronic, Structural, and Computational Studies. Chemistry 2020; 26:10607-10619. [PMID: 32428280 DOI: 10.1002/chem.202001706] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Revised: 04/30/2020] [Indexed: 01/06/2023]
Abstract
Halogen-bonding interactions in electron-deficient π scaffolds have largely been underexplored. Herein, the halogen-bonding properties of arylene imide/diimide-based electron-deficient scaffolds were studied. The influence of scaffold size, from small (phthalimide) to moderately sized (pyromellitic diimide or naphthalenediimides) to large (perylenediimide), axial-group modification, and number of halo substituents on the halogen bonding and its self-assembly was probed in a set of nine compounds. The structural modification leads to tunable optical and redox properties. The first reduction potential E 1 / 2 1 ranges between -1.09 and -0.17 V (vs. SCE). Two of the compounds, that is, 6 and 9, have deep-lying LUMOs with values reaching -4.2 eV. Single crystals of all nine systems were obtained, which showed Br⋅⋅⋅O, Br⋅⋅⋅Br, or Br⋅⋅⋅π halogen-bonding interactions, and a few systems are capable of forming all three types. These interactions lead to halogen-bonded rings (up to 12-membered), which propagate to form stacked 1D, 2D, or corrugated sheets. A few outliers were also identified, for example, molecules that prefer C-H⋅⋅⋅O hydrogen bonding over halogen bonding, or noncentrosymmetric rather than centrosymmetric organization. Computational studies based on Atoms in Molecules and Natural Bond Orbital analysis provided further insight into the halogen-bonding interactions. This study can lead to a predictive design tool-box to further explore related systems on surfaces reinforced by these weak directional forces.
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Affiliation(s)
- Kalyanashis Mandal
- Supramolecular and Material Chemistry Lab, School of Physical Sciences, Jawaharlal Nehru University, Delhi, 110067, India
| | - Deepak Bansal
- Institute of Resource Ecology, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstrasse 400, 01328, Dresden, Germany
| | - Yogendra Kumar
- Supramolecular and Material Chemistry Lab, School of Physical Sciences, Jawaharlal Nehru University, Delhi, 110067, India
| | - Rustam
- Supramolecular and Material Chemistry Lab, School of Physical Sciences, Jawaharlal Nehru University, Delhi, 110067, India
| | - Jyoti Shukla
- Supramolecular and Material Chemistry Lab, School of Physical Sciences, Jawaharlal Nehru University, Delhi, 110067, India
| | - Pritam Mukhopadhyay
- Supramolecular and Material Chemistry Lab, School of Physical Sciences, Jawaharlal Nehru University, Delhi, 110067, India
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10
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11
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Andersen SS, Saad AW, Kristensen R, Pedersen TS, O'Driscoll LJ, Flood AH, Jeppesen JO. Salts accelerate the switching kinetics of a cyclobis(paraquat-p-phenylene) [2]rotaxane. Org Biomol Chem 2019; 17:2432-2441. [PMID: 30742174 DOI: 10.1039/c9ob00085b] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The rate at which the macrocyclic cyclobis(paraquat-p-phenylene) ring of a bistable [2]rotaxane moves from a tetrathiafulvalene station to an oxyphenylene station upon oxidation of the tetrathiafulvalene station is found to be increased in the presence of added salts. Compared to the salt-free case, 0.1 M solutions of a series of tetraalkylammonium hexafluorophosphate salts (R4N·PF6, R = H, Me, Et or n-Bu) and of tetrabutylammonium perchlorate (n-Bu4N·ClO4) all afford an increased switching rate, which is largest in the case of n-Bu4N·ClO4 with smaller anions. Variation in the size of the ammonium cation has no significant effect. These results indicate that the addition of excess ions can be used as an accelerator to speed up shuttling processes in rotaxanes and catenanes based on the mobile cyclobis(paraquat-p-phenylene) ring, and that the choice of anion offers a convenient means of controlling the extent of this effect.
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Affiliation(s)
- Sissel S Andersen
- Department of Physics, Chemistry and Pharmacy, University of Southern Denmark, Campusvej 55, DK 5230 Odense M, Denmark.
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12
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Differential Binding of Tetrel-Bonding Bipodal Receptors to Monatomic and Polyatomic Anions. Molecules 2019; 24:molecules24020227. [PMID: 30634503 PMCID: PMC6358819 DOI: 10.3390/molecules24020227] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 01/05/2019] [Accepted: 01/05/2019] [Indexed: 11/22/2022] Open
Abstract
Previous work has demonstrated that a bidentate receptor containing a pair of Sn atoms can engage in very strong interactions with halide ions via tetrel bonds. The question that is addressed here concerns the possibility that a receptor of this type might be designed that would preferentially bind a polyatomic over a monatomic anion since the former might better span the distance between the two Sn atoms. The binding of Cl− was thus compared to that of HCOO−, HSO4−, and H2PO4− with a wide variety of bidentate receptors. A pair of SnFH2 groups, as strong tetrel-binding agents, were first added to a phenyl ring in ortho, meta, and para arrangements. These same groups were also added in 1,3 and 1,4 positions of an aliphatic cyclohexyl ring. The tetrel-bonding groups were placed at the termini of (-C≡C-)n (n = 1,2) extending arms so as to further separate the two Sn atoms. Finally, the Sn atoms were incorporated directly into an eight-membered ring, rather than as appendages. The ordering of the binding energetics follows the HCO2− > Cl− > H2PO4− > HSO4− general pattern, with some variations in selected systems. The tetrel bonding is strong enough that in most cases, it engenders internal deformations within the receptors that allow them to engage in bidentate bonding, even for the monatomic chloride, which mutes any effects of a long Sn···Sn distance within the receptor.
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Klein HA, Kuhn H, Beer PD. Anion and pH dependent molecular motion by a halogen bonding [2]rotaxane. Chem Commun (Camb) 2019; 55:9975-9978. [PMID: 31367706 DOI: 10.1039/c9cc04752b] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A bistable [2]rotaxane containing a halogen bonding benzimidazole-iodotriazole station directly conjugated to a naphthalimide station axle component is demonstrated to undergo macrocycle shuttling translocation only upon both protonation and chloride anion recognition. A naked-eye detectable colour response results from the co-conformational change of the host structure.
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Affiliation(s)
- Harry A Klein
- Chemistry Research Laboratory, Department of Chemistry, University of Oxford, Mansfield Road, Oxford, OX1 3TA, UK.
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14
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Zanichelli V, Bazzoni M, Arduini A, Franchi P, Lucarini M, Ragazzon G, Secchi A, Silvi S. Redox-Switchable Calix[6]arene-Based Isomeric Rotaxanes. Chemistry 2018; 24:12370-12382. [DOI: 10.1002/chem.201800496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Indexed: 11/10/2022]
Affiliation(s)
- Valeria Zanichelli
- Dipartimento di Scienze Chimiche, della Vita e della; Sostenibilità Ambientale; Università di Parma; Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Margherita Bazzoni
- Dipartimento di Scienze Chimiche, della Vita e della; Sostenibilità Ambientale; Università di Parma; Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Arturo Arduini
- Dipartimento di Scienze Chimiche, della Vita e della; Sostenibilità Ambientale; Università di Parma; Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Paola Franchi
- Dipartimento di Chimica “G. Ciamician”; Università di Bologna; Via Selmi 2 40126 Bologna Italy
| | - Marco Lucarini
- Dipartimento di Chimica “G. Ciamician”; Università di Bologna; Via Selmi 2 40126 Bologna Italy
| | - Giulio Ragazzon
- Dipartimento di Chimica “G. Ciamician”; Università di Bologna; Via Selmi 2 40126 Bologna Italy
- Dipartimento di Scienze Chimiche; Università di Padova; via Marzolo 1 35131 Padova Italy
| | - Andrea Secchi
- Dipartimento di Scienze Chimiche, della Vita e della; Sostenibilità Ambientale; Università di Parma; Parco Area delle Scienze 17/A 43124 Parma Italy
| | - Serena Silvi
- Dipartimento di Chimica “G. Ciamician”; Università di Bologna; Via Selmi 2 40126 Bologna Italy
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15
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Scheiner S. Tetrel Bonding as a Vehicle for Strong and Selective Anion Binding. Molecules 2018; 23:E1147. [PMID: 29751608 PMCID: PMC6100077 DOI: 10.3390/molecules23051147] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Revised: 05/07/2018] [Accepted: 05/09/2018] [Indexed: 01/22/2023] Open
Abstract
Tetrel atoms T (T = Si, Ge, Sn, and Pb) can engage in very strong noncovalent interactions with nucleophiles, which are commonly referred to as tetrel bonds. The ability of such bonds to bind various anions is assessed with a goal of designing an optimal receptor. The Sn atom seems to form the strongest bonds within the tetrel family. It is most effective in the context of a -SnF₃ group and a further enhancement is observed when a positive charge is placed on the receptor. Connection of the -SnF₃ group to either an imidazolium or triazolium provides a strong halide receptor, which can be improved if its point of attachment is changed from the C to an N atom of either ring. Aromaticity of the ring offers no advantage nor is a cyclic system superior to a simple alkyl amine of any chain length. Placing a pair of -SnF₃ groups on a single molecule to form a bipodal dicationic receptor with two tetrel bonds enhances the binding, but falls short of a simple doubling. These two tetrel groups can be placed on opposite ends of an alkyl diamine chain of any length although SnF₃⁺NH₂(CH₂)nNH₂SnF₃⁺ with n between 2 and 4 seems to offer the strongest halide binding. Of the various anions tested, OH− binds most strongly: OH− > F− > Cl− > Br− > I−. The binding energy of the larger NO₃− and HCO₃− anions is more dependent upon the charge of the receptor. This pattern translates into very strong selectivity of binding one anion over another. The tetrel-bonding receptors bind far more strongly to each anion than an equivalent number of K⁺ counterions, which leads to equilibrium ratios in favor of the former of many orders of magnitude.
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Affiliation(s)
- Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT 84322-0300, USA.
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16
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Zapata F, Benítez-Benítez SJ, Sabater P, Caballero A, Molina P. Modulation of the Selectivity in Anions Recognition Processes by Combining Hydrogen- and Halogen-Bonding Interactions. Molecules 2017; 22:E2273. [PMID: 29261168 PMCID: PMC6149874 DOI: 10.3390/molecules22122273] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2017] [Revised: 12/11/2017] [Accepted: 12/18/2017] [Indexed: 12/18/2022] Open
Abstract
Most of the halogen bonding receptors for anions described use halogen bonding binding sites solely in the anion recognition process; only a few examples report the study of anion receptors in which the halogen bonding interaction has been used in combination with any other non-covalent interaction. With the aims to extend the knowledge in the behaviour of this kind of mixed receptors, we report here the synthesis and the anion recognition and sensing properties of a new halogen- and hydrogen- bonding receptor which binds anions by the cooperation of both non-covalent interactions. Fluorescence studies showed that the behaviour observed in the anion recognition sensing is similar to the one previously described for the halogen analogue and is quite different to the hydrogen one. On the other hand, the association constants obtained by ¹H-NMR data demonstrate that the mixed halogen- and hydrogen-bonding receptor is more selective for SO₄2- anion than the halogen or hydrogen analogues.
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Affiliation(s)
- Fabiola Zapata
- Dto de Química Orgánica, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain.
| | | | - Paula Sabater
- Dto de Química Orgánica, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain.
| | - Antonio Caballero
- Dto de Química Orgánica, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain.
| | - Pedro Molina
- Dto de Química Orgánica, Universidad de Murcia, Campus de Espinardo, E-30100 Murcia, Spain.
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17
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Zhao W, Qiao B, Chen C, Flood AH. High‐Fidelity Multistate Switching with Anion–Anion and Acid–Anion Dimers of Organophosphates in Cyanostar Complexes. Angew Chem Int Ed Engl 2017; 56:13083-13087. [DOI: 10.1002/anie.201707869] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Indexed: 12/16/2022]
Affiliation(s)
- Wei Zhao
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Bo Qiao
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Chun‐Hsing Chen
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Amar H. Flood
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
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18
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Zhao W, Qiao B, Chen C, Flood AH. High‐Fidelity Multistate Switching with Anion–Anion and Acid–Anion Dimers of Organophosphates in Cyanostar Complexes. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201707869] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Wei Zhao
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Bo Qiao
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Chun‐Hsing Chen
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
| | - Amar H. Flood
- Department of Chemistry Indiana University 800 E. Kirkwood Avenue Bloomington IN 47405 USA
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19
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Eichstaedt K, Jaramillo-Garcia J, Leigh DA, Marcos V, Pisano S, Singleton TA. Switching between Anion-Binding Catalysis and Aminocatalysis with a Rotaxane Dual-Function Catalyst. J Am Chem Soc 2017. [DOI: 10.1021/jacs.7b04955] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Katarzyna Eichstaedt
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | | | - David A. Leigh
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Vanesa Marcos
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Simone Pisano
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
| | - Thomas A. Singleton
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, U.K
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20
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Molina P, Zapata F, Caballero A. Anion Recognition Strategies Based on Combined Noncovalent Interactions. Chem Rev 2017; 117:9907-9972. [PMID: 28665114 DOI: 10.1021/acs.chemrev.6b00814] [Citation(s) in RCA: 241] [Impact Index Per Article: 34.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
This review highlights the most significant examples of an emerging field in the design of highly selective anion receptors. To date, there has been remarkable progress in the binding and sensing of anions. This has been driven in part by the discovery of ways to construct effective anion binding receptors using the dominant N-H functional groups and neutral and cationic C-H hydrogen bond donors, as well as underexplored strong directional noncovalent interactions such as halogen-bonding and anion-π interactions. In this review, we will describe a new and promising strategy for constructing anion binding receptors with distinct advantages arising from their elaborate design, incorporating multiple binding sites able to interact cooperatively with anions through these different kinds of noncovalent interactions. Comparisons with control species or solely hydrogen-bonding analogues reveal unique characteristics in terms of strength, selectivity, and interaction geometry, representing important advances in the rising field of supramolecular chemistry.
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Affiliation(s)
- Pedro Molina
- Departamento de Química Orgánica, Universidad de Murcia , Campus de Espinardo, E-30100 Murcia, Spain
| | - Fabiola Zapata
- Departamento de Química Orgánica, Universidad de Murcia , Campus de Espinardo, E-30100 Murcia, Spain
| | - Antonio Caballero
- Departamento de Química Orgánica, Universidad de Murcia , Campus de Espinardo, E-30100 Murcia, Spain
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21
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Leigh DA, Marcos V, Nalbantoglu T, Vitorica-Yrezabal IJ, Yasar FT, Zhu X. Pyridyl-Acyl Hydrazone Rotaxanes and Molecular Shuttles. J Am Chem Soc 2017; 139:7104-7109. [PMID: 28471662 DOI: 10.1021/jacs.7b03307] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We report on rotaxanes featuring a pyridyl-acyl hydrazone moiety on the axle as a photo/thermal-switchable macrocycle binding site. The pyridyl-acyl E-hydrazone acts as a hydrogen bonding template that directs the assembly of a benzylic amide macrocycle around the axle to form [2]rotaxanes in up to 85% yield; the corresponding Z-hydrazone thread affords no rotaxane under similar conditions. However, the E-rotaxane can be smoothly converted into the Z-rotaxane in 98% yield under UV irradiation. The X-ray crystal structures of the E- and Z-rotaxanes show different intercomponent hydrogen bonding patterns. In molecular shuttles containing pyridyl-acyl hydrazone and succinic amide ester binding sites, the change of position of the macrocycle on the thread can be achieved through a series of light irradiation and heating cycles with excellent positional integrity (>95%) and switching fidelity (98%) in each state.
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Affiliation(s)
- David A Leigh
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Vanesa Marcos
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Tugrul Nalbantoglu
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | | | - F Tuba Yasar
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Xiaokang Zhu
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
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22
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Scheiner S. Assembly of Effective Halide Receptors from Components. Comparing Hydrogen, Halogen, and Tetrel Bonds. J Phys Chem A 2017; 121:3606-3615. [DOI: 10.1021/acs.jpca.7b02305] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Steve Scheiner
- Department of Chemistry and
Biochemistry Utah State University, Logan, Utah 84322-0300, United States
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23
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Santra S, Ghosh P. Rotamer-Induced Dynamic Nature of a [2]Rotaxane and Control of the Dynamics by External Stimuli. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Saikat Santra
- Department of Inorganic Chemistry; Indian Association for the Cultivation of Science; 2A and 2B Raja S.C. Mullick Road Kolkata India
| | - Pradyut Ghosh
- Department of Inorganic Chemistry; Indian Association for the Cultivation of Science; 2A and 2B Raja S.C. Mullick Road Kolkata India
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24
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Scheiner S. Comparison of halide receptors based on H, halogen, chalcogen, pnicogen, and tetrel bonds. Faraday Discuss 2017; 203:213-226. [DOI: 10.1039/c7fd00043j] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A series of halide receptors are constructed and the geometries and energetics of their binding to F−, Cl−, and Br−assessed by quantum calculations. The dicationic receptors are based on a pair of imidazolium units, connectedviaa benzene spacer. The imidazoliums each donate a proton to a halide in a pair of H-bonds. Replacement of the two bonding protons by Br leads to bindingviaa pair of halogen bonds. Likewise, chalcogen, pnicogen, and tetrel bonds occur when the protons are replaced, respectively, by Se, As, and Ge. Regardless of the binding group considered, F−is bound much more strongly than are Cl−and Br−. With respect to the latter two halides, the binding energy is not very sensitive to the nature of the binding atom, whether H or some other atom. But there is a great deal of differentiation with respect to F−, where the order varies as tetrel > H ∼ pnicogen > halogen > chalcogen. The replacement of the various binding atoms by their analogues in the next row of the periodic table enhances the fluoride binding energy by 22–56%. The strongest fluoride binding agents utilize the tetrel bonds of the Sn atom, whereas it is I-halogen bonds that are preferred for Cl−and Br−. After incorporation of thermal and entropic effects, the halogen, chalcogen, and pnicogen bonding receptors do not represent much of an improvement over H-bonds with regard to this selectivity for F−, even I which binds quite strongly. In stark contrast, the tetrel-bonding derivatives, both Ge and Sn, show by far the greatest selectivity for F−over the other halides, as much as 1013, an enhancement of six orders of magnitude when compared to the H-bonding receptor.
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Affiliation(s)
- Steve Scheiner
- Department of Chemistry and Biochemistry
- Utah State University
- Logan
- USA
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25
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Scheiner S. Highly Selective Halide Receptors Based on Chalcogen, Pnicogen, and Tetrel Bonds. Chemistry 2016; 22:18850-18858. [PMID: 27740702 DOI: 10.1002/chem.201603891] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2016] [Indexed: 11/09/2022]
Abstract
The interactions of halides with a number of bipodal receptors were examined by quantum chemical methods. The receptors were based on a dithieno thiophene framework in which two S atoms can engage in a pair of chalcogen bonds with a halide. These two S atoms were replaced by P and As atoms to compare chalcogen with pnicogen bonding, and by Ge which engages in tetrel bonds with the receptor. Zero, one, and two O atoms were added to the thiophene S atom which is not directly involved in the interaction with the halides. Fluoride bound the most strongly, followed by Cl- , Br- , and I- , respectively. Replacing S by the pnicogen bonds of P strengthened the binding, as did moving down to As in the third row of the periodic table. A further large increment is associated with the switch to the tetrel bonds of Ge. Even though the thiophene S atom is remote from the binding site, each additional O atom added to it raises the binding energy, which can be quite large, as much as 63 kcal mol-1 for the Ge⋅⋅⋅F- interaction. The receptors have a pronounced selectivity for F- over the other halides, as high as 27 orders of magnitude. The data suggest that incorporation of tetrel atoms may lead to new and more powerful halide receptors.
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Affiliation(s)
- Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT, 84322-0300, USA
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26
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Ma X, Zhang J, Cao J, Yao X, Cao T, Gong Y, Zhao C, Tian H. A room temperature phosphorescence encoding [2]rotaxane molecular shuttle. Chem Sci 2016; 7:4582-4588. [PMID: 30155105 PMCID: PMC6016324 DOI: 10.1039/c6sc00769d] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 03/25/2016] [Indexed: 12/16/2022] Open
Abstract
A novel bistable molecular shuttle, composed of a Pt(ii) porphyrin-containing dibenzo[24]crown-8 macrocycle threaded onto two different recognition sites (secondary dialkylammonium (NH2+) and 4,4'-bipyridinium (Bpym2+) units), and the anthracene (Anth) moiety as one terminal stopper, was synthesized by click chemistry. Its acid-base switchable shuttling could be addressed by both the room temperature phosphorescence (RTP) emission signals of the Pt(ii) porphyrin moiety and the fluorescence emission of the Anth unit, as well as their lifetime changes. When the macrocycle was switched to be located on the NH2+ site close to Anth, the Pt(ii) porphyrin moiety exhibited strong RTP emission, excited in the Anth band at 370 nm. This was due to the distance-dependent efficient singlet energy transfer between the Anth unit and the porphyrin moiety, followed by intersystem crossing from a singlet to a triplet state in Pt(ii) porphyrin, while its RTP emission dramatically decreased when located on the Bpym2+ site far from the Anth unit. When excited in the porphyrin band at 402 nm, the RTP emission lifetimes changed obviously. This is the first rotaxane-type molecular shuttle whose shuttling has been encoded by RTP signals.
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Affiliation(s)
- Xiang Ma
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - Jing Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - Jingjing Cao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - Xuyang Yao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - Tiantian Cao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - Yifan Gong
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - Chunchang Zhao
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
| | - He Tian
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals , East China University of Science & Technology , Shanghai 200237 , P. R. China .
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27
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2014. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2015.09.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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28
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Barendt TA, Robinson SW, Beer PD. Superior anion induced shuttling behaviour exhibited by a halogen bonding two station rotaxane. Chem Sci 2016; 7:5171-5180. [PMID: 30155167 PMCID: PMC6020254 DOI: 10.1039/c6sc00783j] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 04/19/2016] [Indexed: 01/13/2023] Open
Abstract
Two bistable halogen and hydrogen bonding-naphthalene diimide [2]rotaxanes have been prepared and the system incorporating a halogen bond donor anion recognition site is demonstrated to exhibit superior anion induced translational motion of the macrocyclic wheel component relative to the hydrogen bonding analogue.
Two bistable halogen and hydrogen bonding-naphthalene diimide [2]rotaxanes have been prepared and the system incorporating a halogen bond donor anion recognition site is demonstrated to exhibit superior anion induced translational motion of the macrocyclic wheel component relative to the hydrogen bonding analogue. Proton NMR spectroscopy is used to estimate the percentage occupancies of the macrocycle at the respective station and importantly indicates that the halogen bonding rotaxane displays superior positional integrity in competitive protic solvent media as a consequence of strong halogen bond–halide anion binding interactions.
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Affiliation(s)
- Timothy A Barendt
- Chemistry Research Laboratory , Department of Chemistry , University of Oxford , 12, Mansfield Road , Oxford , OX1 3TA , UK . ; ; Tel: +44 (0)1865 285142
| | - Sean W Robinson
- Chemistry Research Laboratory , Department of Chemistry , University of Oxford , 12, Mansfield Road , Oxford , OX1 3TA , UK . ; ; Tel: +44 (0)1865 285142
| | - Paul D Beer
- Chemistry Research Laboratory , Department of Chemistry , University of Oxford , 12, Mansfield Road , Oxford , OX1 3TA , UK . ; ; Tel: +44 (0)1865 285142
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29
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Farahani N, Zhu K, Loeb SJ. Rigid, Bistable Molecular Shuttles Combining T-shaped Benzimidazolium and Y-shaped Imidazolium Recognition Sites. Chemphyschem 2016; 17:1875-80. [PMID: 26955999 DOI: 10.1002/cphc.201600128] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Indexed: 01/09/2023]
Abstract
Two different recognition sites, one a T-shaped 2,4,7-triphenylbenzimidazolium and the other a Y-shaped 2,4,5-triphenylimidazolium are combined to construct a rigid bistable [2]rotaxane molecular shuttle on which the position of a 24-membered crown ether macrocycle can be controlled by acid-base chemistry. Molecular shuttling in both the neutral and dicationic versions were studied.
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Affiliation(s)
- Nasim Farahani
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario, N9B 3P4, Canada
| | - Kelong Zhu
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario, N9B 3P4, Canada
| | - Stephen J Loeb
- Department of Chemistry and Biochemistry, University of Windsor, Windsor, Ontario, N9B 3P4, Canada.
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30
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Abstract
The halogen bond occurs when there is evidence of a net attractive interaction between an electrophilic region associated with a halogen atom in a molecular entity and a nucleophilic region in another, or the same, molecular entity. In this fairly extensive review, after a brief history of the interaction, we will provide the reader with a snapshot of where the research on the halogen bond is now, and, perhaps, where it is going. The specific advantages brought up by a design based on the use of the halogen bond will be demonstrated in quite different fields spanning from material sciences to biomolecular recognition and drug design.
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Affiliation(s)
- Gabriella Cavallo
- Laboratory
of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, I-20131 Milano, Italy
| | - Pierangelo Metrangolo
- Laboratory
of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, I-20131 Milano, Italy
- VTT-Technical
Research Centre of Finland, Biologinkuja 7, 02150 Espoo, Finland
| | - Roberto Milani
- VTT-Technical
Research Centre of Finland, Biologinkuja 7, 02150 Espoo, Finland
| | - Tullio Pilati
- Laboratory
of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, I-20131 Milano, Italy
| | - Arri Priimagi
- Department
of Chemistry and Bioengineering, Tampere
University of Technology, Korkeakoulunkatu 8, FI-33101 Tampere, Finland
| | - Giuseppe Resnati
- Laboratory
of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, I-20131 Milano, Italy
| | - Giancarlo Terraneo
- Laboratory
of Nanostructured Fluorinated Materials (NFMLab), Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via L. Mancinelli 7, I-20131 Milano, Italy
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31
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Nepal B, Scheiner S. Building a Better Halide Receptor: Optimum Choice of Spacer, Binding Unit, and Halosubstitution. Chemphyschem 2016; 17:836-44. [PMID: 26676206 DOI: 10.1002/cphc.201501149] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2015] [Indexed: 11/07/2022]
Abstract
Quantum calculations are used to measure the binding of halides to a number of bipodal dicationic receptors, constructed as a pair of binding units separated by a spacer group. A number of variations are studied. A H atom on each binding unit (imidazolium or triazolium) is replaced by Br or I. Benzene, thiophene, carbazole, and dimethylnaphthalene are considered as spacer groups. Each receptor is paired with halides F(-) , Cl(-) , Br(-) , and I(-) . Substitution with I on the binding unit yields a large enhancement of binding, as much as 13 orders of magnitude; a much smaller increase occurs for substitution with Br. Imidazolium is a more effective binding agent than is triazolium. Benzene and dimethylnaphthalene represent the best spacers, followed by thiophene and carbazole. F(-) binds much more strongly than do the other halides, which obey the order Cl(-) >Br(-) >I(-) .
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Affiliation(s)
- Binod Nepal
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT, 84322-0300, USA
| | - Steve Scheiner
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT, 84322-0300, USA.
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32
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Shang J, Zhao W, Li X, Wang Y, Jiang H. Aryl-triazole foldamers incorporating a pyridinium motif for halide anion binding in aqueous media. Chem Commun (Camb) 2016; 52:4505-8. [DOI: 10.1039/c5cc10422j] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Aryl-triazole foldamers incorporating a pyridinium motif are shown to be strongly halide anion binding in aqueous solvent mixtures.
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Affiliation(s)
- Jie Shang
- Key Laboratory of Radiopharmaceuticals
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Wei Zhao
- Key Laboratory of Radiopharmaceuticals
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Xichen Li
- Key Laboratory of Radiopharmaceuticals
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Ying Wang
- Key Laboratory of Radiopharmaceuticals
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
| | - Hua Jiang
- Key Laboratory of Radiopharmaceuticals
- Ministry of Education
- College of Chemistry
- Beijing Normal University
- Beijing 100875
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33
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Nepal B, Scheiner S. Substituent Effects on the Binding of Halides by Neutral and Dicationic Bis(triazolium) Receptors. J Phys Chem A 2015; 119:13064-73. [DOI: 10.1021/acs.jpca.5b09738] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Binod Nepal
- Department of Chemistry and
Biochemistry, Utah State University Logan, Utah 84322-0300, United States
| | - Steve Scheiner
- Department of Chemistry and
Biochemistry, Utah State University Logan, Utah 84322-0300, United States
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34
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Tepper R, Schulze B, Görls H, Bellstedt P, Jäger M, Schubert US. Preorganization in a Cleft-Type Anion Receptor Featuring Iodo-1,2,3-Triazoles As Halogen Bond Donors. Org Lett 2015; 17:5740-3. [DOI: 10.1021/acs.orglett.5b02760] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Ronny Tepper
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Benjamin Schulze
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Helmar Görls
- Laboratory
of Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Lessingstrasse 8, 07743 Jena, Germany
| | - Peter Bellstedt
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Laboratory
of Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Lessingstrasse 8, 07743 Jena, Germany
| | - Michael Jäger
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Ulrich S. Schubert
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstrasse 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
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35
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Affiliation(s)
- Sundus Erbas-Cakmak
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - David A. Leigh
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Charlie T. McTernan
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Alina
L. Nussbaumer
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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36
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Jungbauer SH, Schindler S, Herdtweck E, Keller S, Huber SM. Multiple Multidentate Halogen Bonding in Solution, in the Solid State, and in the (Calculated) Gas Phase. Chemistry 2015; 21:13625-36. [DOI: 10.1002/chem.201502043] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Indexed: 11/08/2022]
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37
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Tepper R, Schulze B, Jäger M, Friebe C, Scharf DH, Görls H, Schubert US. Anion Receptors Based on Halogen Bonding with Halo-1,2,3-triazoliums. J Org Chem 2015; 80:3139-50. [DOI: 10.1021/acs.joc.5b00028] [Citation(s) in RCA: 88] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Ronny Tepper
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matters (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Benjamin Schulze
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matters (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Michael Jäger
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matters (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Christian Friebe
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matters (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Daniel H. Scharf
- Leibniz Institute for Natural Product Research and Infection Biology − Hans Knöll Institute, Beutenbergstr. 11a, 07745 Jena, Germany
| | - Helmar Görls
- Laboratory
of Inorganic and Analytical Chemistry, Friedrich Schiller University Jena, Lessingstr. 8, 07743 Jena, Germany
| | - Ulrich S. Schubert
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matters (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
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Persch E, Dumele O, Diederich F. Molekulare Erkennung in chemischen und biologischen Systemen. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201408487] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Persch E, Dumele O, Diederich F. Molecular recognition in chemical and biological systems. Angew Chem Int Ed Engl 2015; 54:3290-327. [PMID: 25630692 DOI: 10.1002/anie.201408487] [Citation(s) in RCA: 419] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Indexed: 12/13/2022]
Abstract
Structure-based ligand design in medicinal chemistry and crop protection relies on the identification and quantification of weak noncovalent interactions and understanding the role of water. Small-molecule and protein structural database searches are important tools to retrieve existing knowledge. Thermodynamic profiling, combined with X-ray structural and computational studies, is the key to elucidate the energetics of the replacement of water by ligands. Biological receptor sites vary greatly in shape, conformational dynamics, and polarity, and require different ligand-design strategies, as shown for various case studies. Interactions between dipoles have become a central theme of molecular recognition. Orthogonal interactions, halogen bonding, and amide⋅⋅⋅π stacking provide new tools for innovative lead optimization. The combination of synthetic models and biological complexation studies is required to gather reliable information on weak noncovalent interactions and the role of water.
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Affiliation(s)
- Elke Persch
- Laboratorium für Organische Chemie, Departement Chemie und Angewandte Biowissenschaften, ETH Zürich, Vladimir-Prelog-Weg 3, 8093 Zürich (Switzerland)
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A redox-controllable molecular switch based on weak recognition of BPX26C6 at a diphenylurea station. Molecules 2015; 20:1775-87. [PMID: 25621422 PMCID: PMC6272467 DOI: 10.3390/molecules20021775] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2014] [Revised: 01/08/2015] [Accepted: 01/15/2015] [Indexed: 11/16/2022] Open
Abstract
The Na+ ion–assisted recognition of urea derivatives by BPX26C6 has allowed the construction of a redox-controllable [2]rotaxane-type molecular switch based on two originally very weakly interacting host/guest systems. Using NOBF4 to oxidize the triarylamine terminus into a corresponding radical cation attracted the macrocyclic component toward its adjacent carbamate station; subsequent addition of Zn powder moved the macrocyclic component back to its urea station.
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Chakraborty S, Dutta R, Ghosh P. Halogen bonding assisted selective removal of bromide. Chem Commun (Camb) 2015; 51:14793-6. [DOI: 10.1039/c5cc05495h] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The selective removal of bromide from a mixture of competing anions through an XB donor receptor via halogen bonding interactions.
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Affiliation(s)
- Sourav Chakraborty
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Ranjan Dutta
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Pradyut Ghosh
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
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