51
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August DP, Jaramillo-Garcia J, Leigh DA, Valero A, Vitorica-Yrezabal IJ. A Chiral Cyclometalated Iridium Star of David [2]Catenane. J Am Chem Soc 2021; 143:1154-1161. [DOI: 10.1021/jacs.0c12038] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- David P. August
- 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
| | - Alberto Valero
- Department of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
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52
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Chen M, Cao JN, Li S, Liu D, Wang J, Zhao H, Wang G, Wu T, Jiang Z, Wang P. Customized self-assembled molecules: rim adjustable coronal polygons with multiple-folds symmetry. Org Chem Front 2021. [DOI: 10.1039/d1qo01316e] [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
Three desired discrete metallomacrocyclic wreaths with four-, five- and six-fold symmetry were successfully realized in a controlled fashion.
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Affiliation(s)
- Mingzhao Chen
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Jia-nan Cao
- Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Suqing Li
- Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Die Liu
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Jun Wang
- Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - He Zhao
- Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Guotao Wang
- Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Tun Wu
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Zhilong Jiang
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Pingshan Wang
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
- Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
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53
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August DP, Dryfe RAW, Haigh SJ, Kent PRC, Leigh DA, Lemonnier JF, Li Z, Muryn CA, Palmer LI, Song Y, Whitehead GFS, Young RJ. Self-assembly of a layered two-dimensional molecularly woven fabric. Nature 2020; 588:429-435. [PMID: 33328664 DOI: 10.1038/s41586-020-3019-9] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Accepted: 10/28/2020] [Indexed: 12/18/2022]
Abstract
Fabrics-materials consisting of layers of woven fibres-are some of the most important materials in everyday life1. Previous nanoscale weaves2-16 include isotropic crystalline covalent organic frameworks12-14 that feature rigid helical strands interlaced in all three dimensions, rather than the two-dimensional17,18 layers of flexible woven strands that give conventional textiles their characteristic flexibility, thinness, anisotropic strength and porosity. A supramolecular two-dimensional kagome weave15 and a single-layer, surface-supported, interwoven two-dimensional polymer16 have also been reported. The direct, bottom-up assembly of molecular building blocks into linear organic polymer chains woven in two dimensions has been proposed on a number of occasions19-23, but has not previously been achieved. Here we demonstrate that by using an anion and metal ion template, woven molecular 'tiles' can be tessellated into a material consisting of alternating aliphatic and aromatic segmented polymer strands, interwoven within discrete layers. Connections between slowly precipitating pre-woven grids, followed by the removal of the ion template, result in a wholly organic molecular material that forms as stacks and clusters of thin sheets-each sheet up to hundreds of micrometres long and wide but only about four nanometres thick-in which warp and weft single-chain polymer strands remain associated through periodic mechanical entanglements within each sheet. Atomic force microscopy and scanning electron microscopy show clusters and, occasionally, isolated individual sheets that, following demetallation, have slid apart from others with which they were stacked during the tessellation and polymerization process. The layered two-dimensional molecularly woven material has long-range order, is birefringent, is twice as stiff as the constituent linear polymer, and delaminates and tears along well-defined lines in the manner of a macroscopic textile. When incorporated into a polymer-supported membrane, it acts as a net, slowing the passage of large ions while letting smaller ions through.
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Affiliation(s)
- David P August
- Department of Chemistry, University of Manchester, Manchester, UK
| | - Robert A W Dryfe
- Department of Chemistry, University of Manchester, Manchester, UK.,Henry Royce Institute, University of Manchester, Manchester, UK
| | - Sarah J Haigh
- Department of Materials, National Graphene Institute, University of Manchester, Manchester, UK
| | - Paige R C Kent
- Department of Chemistry, University of Manchester, Manchester, UK
| | - David A Leigh
- Department of Chemistry, University of Manchester, Manchester, UK.
| | | | - Zheling Li
- Department of Materials, National Graphene Institute, University of Manchester, Manchester, UK
| | | | - Leoni I Palmer
- Department of Chemistry, University of Manchester, Manchester, UK
| | - Yiwei Song
- Department of Chemistry, University of Manchester, Manchester, UK
| | | | - Robert J Young
- Department of Materials, National Graphene Institute, University of Manchester, Manchester, UK
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54
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Song Y, Schaufelberger F, Ashbridge Z, Pirvu L, Vitorica-Yrezabal IJ, Leigh DA. Effects of turn-structure on folding and entanglement in artificial molecular overhand knots. Chem Sci 2020; 12:1826-1833. [PMID: 34163946 PMCID: PMC8179330 DOI: 10.1039/d0sc05897a] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
Abstract
The length and constitution of spacers linking three 2,6-pyridinedicarboxamide units in a molecular strand influence the tightness of the resulting overhand (open-trefoil) knot that the strand folds into in the presence of lanthanide(iii) ions. The use of β-hairpin forming motifs as linkers enables a metal-coordinated pseudopeptide with a knotted tertiary structure to be generated. The resulting pseudopeptide knot has one of the highest backbone-to-crossing ratios (BCR)—a measure of knot tightness (a high value corresponding to looseness)—for a synthetic molecular knot to date. Preorganization in the crossing-free turn section of the knot affects aromatic stacking interactions close to the crossing region. The metal-coordinated pseudopeptide knot is compared to overhand knots with other linkers of varying tightness and turn preorganization, and the entangled architectures characterized by NMR spectroscopy, ESI-MS, CD spectroscopy and, in one case, X-ray crystallography. The results show how it is possible to program specific conformational properties into different key regions of synthetic molecular knots, opening the way to systems where knotting can be systematically incorporated into peptide-like chains through design. Spacers linking 2,6-pyridinedicarboxamide units influence the tightness of the corresponding lanthanide-coordinated overhand knot. β-Hairpin forming motifs generate a metal-coordinated pseudopeptide with a knotted tertiary structure.![]()
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Affiliation(s)
- Yiwei Song
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 PR China
| | | | - Zoe Ashbridge
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | - Lucian Pirvu
- Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
| | | | - David A Leigh
- Shanghai Engineering Research Center of Molecular Therapeutics and New Drug Development, School of Chemistry and Molecular Engineering, East China Normal University Shanghai 200062 PR China .,Department of Chemistry, University of Manchester Oxford Road Manchester M13 9PL UK
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55
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Schulte TR, Holstein JJ, Schneider L, Adam A, Haberhauer G, Clever GH. A New Mechanically-Interlocked [Pd 2 L 4 ] Cage Motif by Dimerization of two Peptide-based Lemniscates. Angew Chem Int Ed Engl 2020; 59:22489-22493. [PMID: 32845570 PMCID: PMC7756597 DOI: 10.1002/anie.202010995] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Indexed: 12/31/2022]
Abstract
Most metallo-supramolecular assemblies of low nuclearity adopt simple topologies, with bridging ligands spanning neighboring metal centers in a direct fashion. Here we contribute a new structural motif to the family of host compounds with low metal count (two) that consists of a pair of doubly-interlocked, Figure-eight-shaped subunits, also termed "lemniscates". Each metal is chelated by two chiral bidentate ligands, composed of a peptidic macrocycle that resembles a natural product with two pyridyl-terminated arms. DFT calculation results suggest that dimerization of the mononuclear halves is driven by a combination of 1) Coulomb interaction with a central anion, 2) π-stacking between intertwined ligand arms and 3) dispersive interactions between the structure's compact inner core bedded into an outer shell composed of the cavitand-type macrocycles. The resulting cage-like architecture was characterized by NMR, MS and X-ray structure analyses. This new mechanically bonded system highlights the scope of structural variety accessible in metal-mediated self-assemblies composed of only a few constituents.
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Affiliation(s)
- Thorben R. Schulte
- Faculty of Chemistry and Chemical BiologyTU Dortmund Univ.Otto-Hahn-Str. 644227DortmundGermany
| | - Julian J. Holstein
- Faculty of Chemistry and Chemical BiologyTU Dortmund Univ.Otto-Hahn-Str. 644227DortmundGermany
| | - Laura Schneider
- Faculty of Chemistry and Chemical BiologyTU Dortmund Univ.Otto-Hahn-Str. 644227DortmundGermany
| | - Abdulselam Adam
- Institute for Organic ChemistryUniv. Duisburg-EssenUniversitätsstr. 745117EssenGermany
| | - Gebhard Haberhauer
- Institute for Organic ChemistryUniv. Duisburg-EssenUniversitätsstr. 745117EssenGermany
| | - Guido H. Clever
- Faculty of Chemistry and Chemical BiologyTU Dortmund Univ.Otto-Hahn-Str. 644227DortmundGermany
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56
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Schulte TR, Holstein JJ, Schneider L, Adam A, Haberhauer G, Clever GH. Ein neues, mechanisch verzahntes [Pd
2
L
4
] Käfigmotiv durch Dimerisierung von zwei Peptid‐basierten Lemniskaten. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202010995] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Thorben R. Schulte
- Fakultät für Chemie und Chemische Biologie TU Dortmund Otto-Hahn-Str. 6 44227 Dortmund Deutschland
| | - Julian J. Holstein
- Fakultät für Chemie und Chemische Biologie TU Dortmund Otto-Hahn-Str. 6 44227 Dortmund Deutschland
| | - Laura Schneider
- Fakultät für Chemie und Chemische Biologie TU Dortmund Otto-Hahn-Str. 6 44227 Dortmund Deutschland
| | - Abdulselam Adam
- Institut für Organische Chemie Univ. Duisburg-Essen Universitätsstr. 7 45117 Essen Deutschland
| | - Gebhard Haberhauer
- Institut für Organische Chemie Univ. Duisburg-Essen Universitätsstr. 7 45117 Essen Deutschland
| | - Guido H. Clever
- Fakultät für Chemie und Chemische Biologie TU Dortmund Otto-Hahn-Str. 6 44227 Dortmund Deutschland
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57
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Wang J, Zhao H, Chen M, Jiang Z, Wang F, Wang G, Li K, Zhang Z, Liu D, Jiang Z, Wang P. Construction of Macromolecular Pinwheels Using Predesigned Metalloligands. J Am Chem Soc 2020; 142:21691-21701. [PMID: 33206521 DOI: 10.1021/jacs.0c08020] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Developing a methodology to build target structures is one of the major themes of synthetic chemistry. However, it has proven to be immensely challenging to achieve multilevel elaborate molecular architectures in a predictable way. Herein, we describe the self-assembly of a series of pinwheel-shaped starlike supramolecules through three rationally preorganized metalloligands L1-L3. The key octa-uncomplexed terpyridine (tpy) metalloligand L3, synthesized with an 8-fold Suzuki coupling reaction to metal-containing complexes, has four different types of terpyridines connected with three ⟨tpy-Ru2+-tpy⟩ units, making this the most subunits known so far for a preorganized module. Based on the principle of geometric complementation and the high "density of coordination sites", these metalloligands were assembled with Zn2+ ions to form a pinwheel-shaped star trigon P1, pentagram P2, and hexagram P3 with precisely controlled shapes in nearly quantitative yields. With molecular weights ranging from 16756 to 56053 Da and diameters of 6.7-13.6 nm, the structural composition, shape, and rigidity of these pinwheel-shaped architectures have been fully characterized by 1D and 2D (NMR), electrospray ionization mass spectrometry, traveling-wave ion mobility mass spectrometry, and transmission electron microscopy.
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Affiliation(s)
- Jun Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - He Zhao
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Mingzhao Chen
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Zhiyuan Jiang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Feng Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Guotao Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Kaixiu Li
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Zhe Zhang
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Die Liu
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Zhilong Jiang
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Pingshan Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.,Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
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58
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August D, Borsley S, Cockroft SL, della Sala F, Leigh DA, Webb SJ. Transmembrane Ion Channels Formed by a Star of David [2]Catenane and a Molecular Pentafoil Knot. J Am Chem Soc 2020; 142:18859-18865. [PMID: 33084320 PMCID: PMC7745878 DOI: 10.1021/jacs.0c07977] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Indexed: 12/19/2022]
Abstract
A (FeII)6-coordinated triply interlocked ("Star of David") [2]catenane (612 link) and a (FeII)5-coordinated pentafoil (51) knot are found to selectively transport anions across phospholipid bilayers. Allostery, topology, and building block stoichiometry all play important roles in the efficacy of the ionophoric activity. Multiple FeII cation coordination by the interlocked molecules is crucial: the demetalated catenane exhibits no anion binding in solution nor any transmembrane ion transport properties. However, the topologically trivial, Lehn-type cyclic hexameric FeII helicates-which have similar anion binding affinities to the metalated Star of David catenane in solution-also display no ion transport properties. The unanticipated difference in behavior between the open- and closed-loop structures may arise from conformational restrictions in the linking groups that likely enhances the rigidity of the channel-forming topologically complex molecules. The (FeII)6-coordinated Star of David catenane, derived from a hexameric cyclic helicate, is 2 orders of magnitude more potent in terms of ion transport than the (FeII)5-coordinated pentafoil knot, derived from a cyclic pentamer of the same building block. The reduced efficacy is reminiscent of multisubunit protein ion channels assembled with incorrect monomer stoichiometries.
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Affiliation(s)
- David
P. August
- Department
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United
Kingdom
| | - Stefan Borsley
- Department
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United
Kingdom
| | - Scott L. Cockroft
- EaStCHEM
School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster
Road, Edinburgh EH9 3FJ, United Kingdom
| | - Flavio della Sala
- Department
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United
Kingdom
- Manchester
Institute of Biotechnology, University of
Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
| | - David A. Leigh
- Department
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United
Kingdom
| | - Simon J. Webb
- Department
of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United
Kingdom
- Manchester
Institute of Biotechnology, University of
Manchester, 131 Princess Street, Manchester M1 7DN, United Kingdom
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59
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Santoro A, Holub J, Fik‐Jaskółka MA, Vantomme G, Lehn J. Dynamic Helicates Self‐Assembly from Homo‐ and Heterotopic Dynamic Covalent Ligand Strands. Chemistry 2020; 26:15664-15671. [DOI: 10.1002/chem.202003496] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/17/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Antonio Santoro
- Laboratoire de Chimie Supramoléculaire, ISIS Université de Strasbourg 8 Allée Gaspard Monge 67000 Strasbourg France
- Present address: Department of Chemical, Biological, Pharmaceutical and Environmental Sciences University of Messina Viale F. Stagno d'Alcontres 31 98166 Messina Italy
| | - Jan Holub
- Laboratoire de Chimie Supramoléculaire, ISIS Université de Strasbourg 8 Allée Gaspard Monge 67000 Strasbourg France
- Present address: Institute of Chemical Research of Catalonia (ICIQ) Avinguda Països Catalans 16 43007 Tarragona Spain
| | - Marta A. Fik‐Jaskółka
- Laboratoire de Chimie Supramoléculaire, ISIS Université de Strasbourg 8 Allée Gaspard Monge 67000 Strasbourg France
- Present address: Faculty of Chemistry Adam Mickiewicz University Uniwersytetu Poznańskiego 8 61-614 Poznań Poland
- Present address: Centre for Advanced Technology Adam Mickiewicz University Uniwersytetu Poznańskiego 10 61-614 Poznań Poland
| | - Ghislaine Vantomme
- Laboratoire de Chimie Supramoléculaire, ISIS Université de Strasbourg 8 Allée Gaspard Monge 67000 Strasbourg France
- Present address: Institute for Complex Molecular Systems Laboratory of Macromolecular and Organic Chemistry Eindhoven University of Technology P.O. Box 513, 5600 MB Eindhoven The Netherlands
| | - Jean‐Marie Lehn
- Laboratoire de Chimie Supramoléculaire, ISIS Université de Strasbourg 8 Allée Gaspard Monge 67000 Strasbourg France
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60
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Dang LL, Feng HJ, Lin YJ, Jin GX. Self-Assembly of Molecular Figure-Eight Knots Induced by Quadruple Stacking Interactions. J Am Chem Soc 2020; 142:18946-18954. [DOI: 10.1021/jacs.0c09162] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Li-Long Dang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Hui-Jun Feng
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Yue-Jian Lin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Guo-Xin Jin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
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61
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Khalil G, Barloy L, Kyritsakas N, Kauffmann B, Chaumont A, Henry M, Mobian P. Symmetry Decrease between Self‐Assembled Circular TiO
4
N
2
‐Based Helicates. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000531] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Georges Khalil
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Laurent Barloy
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Nathalie Kyritsakas
- Laboratoire de Tectonique Moléculaire UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Brice Kauffmann
- IECB, UMS 3033/US 001 Univ. Bordeaux 2 rue Robert Escarpit 33607 Pessac France
| | - Alain Chaumont
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
- Laboratoire de Modélisation et Simulations Moléculaires UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Marc Henry
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
| | - Pierre Mobian
- Laboratoire de Chimie Moléculaire de l'Etat Solide UMR 7140 UDS‐CNRS Université de Strasbourg 4 rue Blaise Pascal F‐67000 Strasbourg France
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62
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Affiliation(s)
- J Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
- School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia
- Institute for Molecular Design and Synthesis, Tianjin University, 92 Weijin Road, Nankai Districts, Tianjin 300072, P. R. China
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64
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Chinnaraja E, Arunachalam R, Pillai RS, Peuronen A, Rissanen K, Subramanian PS. One‐pot synthesis of [2+2]‐helicate‐like macrocycle and 2+4‐μ
4
‐oxo tetranuclear open frame complexes: Chiroptical properties and asymmetric oxidative coupling of 2‐naphthols. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5666] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Eswaran Chinnaraja
- Inorganic Materials and Catalysis Division Central Salt and Marine Chemicals Research Institute (CSIR‐CSMCRI) Bhavnagar Gujarat 364002 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Rajendran Arunachalam
- Inorganic Materials and Catalysis Division Central Salt and Marine Chemicals Research Institute (CSIR‐CSMCRI) Bhavnagar Gujarat 364002 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Renjith S. Pillai
- Department of Chemistry SRM Institute of Science and Technology Kattankulathur Tamil Nadu 603203 India
| | - Anssi Peuronen
- Department of Chemistry, Nanoscience Center University of Jyvaskyla P.O. Box 35 Jyväskylä FI‐40014 Finland
| | - Kari Rissanen
- Department of Chemistry, Nanoscience Center University of Jyvaskyla P.O. Box 35 Jyväskylä FI‐40014 Finland
| | - Palani S. Subramanian
- Inorganic Materials and Catalysis Division Central Salt and Marine Chemicals Research Institute (CSIR‐CSMCRI) Bhavnagar Gujarat 364002 India
- Academy of Scientific and Innovative Research (AcSIR) Ghaziabad 201002 India
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65
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Gao WX, Feng HJ, Guo BB, Lu Y, Jin GX. Coordination-Directed Construction of Molecular Links. Chem Rev 2020; 120:6288-6325. [PMID: 32558562 DOI: 10.1021/acs.chemrev.0c00321] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Since the emergence of the concept of chemical topology, interlocked molecular assemblies have graduated from academic curiosities and poorly defined species to become synthetic realities. Coordination-directed synthesis provides powerful, diverse, and increasingly sophisticated protocols for accessing interlocked molecules. Originally, metal ions were employed solely as templates to gather and position building blocks in entwined or threaded arrangements. Recently, metal centers have increasingly featured within the backbones of the integral structural elements, which in turn use noncovalent interactions to self-assemble into intricate topologies. By outlining ingenious recent examples as well as seminal classic cases, this Review focuses on the role of metal-ligand paradigms in assembling molecular links. In addition, the ever-evolving approaches to efficient assembly, the structural features of the resulting architectures, and their prospects for the future are also presented.
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Affiliation(s)
- Wen-Xi Gao
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Hui-Jun Feng
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Bei-Bei Guo
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Ye Lu
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Guo-Xin Jin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
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66
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Wang L, Song B, Li Y, Gong L, Jiang X, Wang M, Lu S, Hao XQ, Xia Z, Zhang Y, Hla SW, Li X. Self-Assembly of Metallo-Supramolecules under Kinetic or Thermodynamic Control: Characterization of Positional Isomers Using Scanning Tunneling Spectroscopy. J Am Chem Soc 2020; 142:9809-9817. [PMID: 32311259 PMCID: PMC7375329 DOI: 10.1021/jacs.0c03459] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Coordination-driven self-assembly has been extensively employed to construct a variety of discrete structures as a bottom-up strategy. However, mechanistic understanding regarding whether self-assembly is under kinetic or thermodynamic control is less explored. To date, such mechanistic investigation has been limited to distinct, assembled structures. It still remains a formidable challenge to study the kinetic and thermodynamic behavior of self-assembly systems with multiple assembled isomers due to the lack of characterization methods. Herein, we use a stepwise strategy which combined self-recognition and self-assembly processes to construct giant metallo-supramolecules with 8 positional isomers in solution. With the help of ultrahigh-vacuum, low-temperature scanning tunneling microscopy and scanning tunneling spectroscopy, we were able to unambiguously differentiate 14 isomers on the substrate which correspond to 8 isomers in solution. Through measurement of 162 structures, the experimental probability of each isomer was obtained and compared with the theoretical probability. Such a comparison along with density functional theory (DFT) calculation suggested that although both kinetic and thermodynamic control existed in this self-assembly, the increased experimental probabilities of isomers compared to theoretical probabilities should be attributed to thermodynamic control.
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Affiliation(s)
- Lei Wang
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Bo Song
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Yiming Li
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Lele Gong
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
| | - Xin Jiang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, Jilin 130012, China
| | - Ming Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, Jilin 130012, China
| | - Shuai Lu
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Xin-Qi Hao
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450052, China
| | - Zhenhai Xia
- Department of Materials Science and Engineering, University of North Texas, Denton, Texas 76203, United States
| | - Yuan Zhang
- Nanoscience and Technology Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
- Department of Physics, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Saw Wai Hla
- Nanoscience and Technology Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Xiaopeng Li
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
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67
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Singh J, Kim DH, Kim EH, Kim H, Hadiputra R, Jung J, Chi KW. The First Quantitative Synthesis of a Closed Three-Link Chain (613) Using Coordination and Noncovalent Interactions-Driven Self-Assembly. J Am Chem Soc 2020; 142:9327-9336. [DOI: 10.1021/jacs.0c01406] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jatinder Singh
- Department of Chemistry, University of Ulsan, Ulsan 44776, Republic of Korea
- Energy Materials Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
| | - Dong Hwan Kim
- Department of Chemistry, University of Ulsan, Ulsan 44776, Republic of Korea
| | - Eun-Hee Kim
- Center for Research Equipments, Korea Basic Science Institute, Ochang, Chungbuk 28119, Republic of Korea
| | - Hyunuk Kim
- Energy Materials Laboratory, Korea Institute of Energy Research, Daejeon 34129, Republic of Korea
| | - Rizky Hadiputra
- Department of Chemistry, University of Ulsan, Ulsan 44776, Republic of Korea
| | - Jaehoon Jung
- Department of Chemistry, University of Ulsan, Ulsan 44776, Republic of Korea
| | - Ki-Whan Chi
- Department of Chemistry, University of Ulsan, Ulsan 44776, Republic of Korea
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68
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Wang G, Chen M, Wang J, Jiang Z, Liu D, Lou D, Zhao H, Li K, Li S, Wu T, Jiang Z, Sun X, Wang P. Reinforced Topological Nanoassemblies: 2D Hexagon-Fused Wheel to 3D Prismatic Metallo-Lamellar Structure with Molecular Weight of 119 K Daltons. J Am Chem Soc 2020; 142:7690-7698. [PMID: 32208693 DOI: 10.1021/jacs.0c00754] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
By a precise metallo-ligand design, the advanced coordination-driven self-assembly could succeed in the preparation of giant molecular weight of the metallo-architectures. However, the synthesis of a single discrete high-molecular-weight (>100 K Da) structure has not been demonstrated due to the insurmountable synthetic challenge. Herein, we present a two-dimensional wheel structure (W1) and a gigantic three-dimensional dodecagonal prism-like architecture (P1), which were generated by multicomponent self-assembly of two similar metallo-organic ligands and a core ligand with metal ions, respectively. The giant 2D-suprastructure W1 with six hexagonal metallacycles that fused to the central spoke wheel was first achieved in nearly quantitative yield, and then, directed by introducing a meta-substituted coordination site into the key ligand, the supercharged (36 Ru2+ and 48 Cd2+ ions) double-decker prismatic structure P1 with two wheel structure W1s serve as the surfaces and 12 <Tpy-Cd2+-Tpy> connectivities serve as the edges, where a molecular weight up to 119 498.18 Da was accomplished. The expected molecular composition and size morphology was unequivocally characterized by nuclear magnetic resonance, mass spectrometry, and transmission electron microscopy investigations. The introduction of a wheel structure is able to add considerable stability and complexity to the final architecture. These well-defined scaffolds are expected to play an important role in the functional materials field, such as molecular encapsulation and medicine sustained release.
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Affiliation(s)
- Guotao Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Mingzhao Chen
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Jun Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Zhiyuan Jiang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Die Liu
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Dongyang Lou
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - He Zhao
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Kaixiu Li
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Suqing Li
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Tun Wu
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Zhilong Jiang
- Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
| | - Xiaoyi Sun
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China
| | - Pingshan Wang
- Department of Organic and Polymer Chemistry; Hunan Key Laboratory of Micro & Nano Materials Interface Science, College of Chemistry and Chemical Engineering, Central South University, Changsha, Hunan 410083, China.,Institute of Environmental Research at Greater Bay Area; Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Guangzhou Key Laboratory for Clean Energy and Materials, Guangzhou University, Guangzhou 510006, China
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69
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Guan S, Yu H, Zhang Z, Jiang X, Shi J, Lu T, Wang C, Wang P, Wang M. From Dimeric to Octameric Metallo-Supramolecular Macrocycles Based on Sterically Congested Ligand-assisted Self-Assembly with Zn(II), Cd(II), and Fe(II). Macromol Rapid Commun 2020; 41:e2000095. [PMID: 32297375 DOI: 10.1002/marc.202000095] [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: 02/27/2020] [Revised: 03/23/2020] [Accepted: 03/27/2020] [Indexed: 12/26/2022]
Abstract
Two sterically congested 2,2':6',2″-terpyridine-based ligands LA and LB, composed of asymmetrically contiguous terpyridine units, are designed and synthesized for metallo-supramolecular architectures. The significant advantage of this design is that the terpyridines in these ligands have different chemical environments and show a selective coordination ability with each other. For ditopic ligand LA, the self-assembly with Zn(II), Cd(II), and Fe(II) gave the rhombic dimers, which have the same sets of terpyridine signals as ligand LA. The self-assembly behavior of tritopic ligand LB with Cd(II) and Zn(II) are observed for discrete tetramers under thermodynamic control, whereas ligand LB and Fe(II) are assembled to generate a mixture of tetramer, hexamer, and octamer, which are successfully isolated using regular chromatographic separation. Moreover, the sterically congested ligands and metal ions formed stable intermediates to drive the formation of discrete structures, which is also proved by mixing LB and Cd(II) with a precise stoichiometric ratio of 1:1. These supramolecular complexes are thoroughly characterized by NMR spectroscopy, electrospray ionization-mass spectrometry, and 2D traveling-wave ion mobility-mass spectrometry. This conceptually new design of sterically congested ligands provides a novel strategy for precisely controlled supramolecular complexes with diverse architectures.
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Affiliation(s)
- Shengwen Guan
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Hao Yu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Zhe Zhang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Environmental Research at Great Bay, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Xin Jiang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Junjuan Shi
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Tong Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Chunyu Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Pingshan Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Environmental Research at Great Bay, Guangzhou University, Guangzhou, 510006, P. R. China
| | - Ming Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
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70
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Li Z, Li Y, Zhao Y, Wang H, Zhang Y, Song B, Li X, Lu S, Hao XQ, Hla SW, Tu Y, Li X. Synthesis of Metallopolymers and Direct Visualization of the Single Polymer Chain. J Am Chem Soc 2020; 142:6196-6205. [PMID: 32150680 PMCID: PMC7375330 DOI: 10.1021/jacs.0c00110] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
During the past few decades, the study of the single polymer chain has attracted considerable attention with the goal of exploring the structure-property relationship of polymers. It still, however, remains challenging due to the variability and low atomic resolution of the amorphous single polymer chain. Here, we demonstrated a new strategy to visualize the single metallopolymer chain with a hexameric or trimeric supramolecule as a repeat unit, in which Ru(II) with strong coordination and Fe(II) with weak coordination were combined together in a stepwise manner. With the help of ultrahigh-vacuum, low-temperature scanning tunneling microscopy (UHV-LT-STM) and scanning tunneling spectroscopy (STS), we were able to directly visualize both Ru(II) and Fe(II), which act as staining reagents on the repeat units, thus providing detailed structural information for the single polymer chain. As such, the direct visualization of the single random polymer chain is realized to enhance the characterization of polymers at the single-molecule level.
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Affiliation(s)
- Zhikai Li
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Yiming Li
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Yiming Zhao
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Heng Wang
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518055, China
| | - Yuan Zhang
- Nanoscience and Technology Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
- Department of Physics, Old Dominion University, Norfolk, Virginia 23529, United States
| | - Bo Song
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
| | - Xiaohong Li
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Shuai Lu
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Xin-Qi Hao
- College of Chemistry, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Saw-Wai Hla
- Nanoscience and Technology Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Yingfeng Tu
- Jiangsu Key Laboratory of Advanced Functional Polymer Design and Application, State and Local Joint Engineering Laboratory for Novel Functional Polymeric Materials, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, Jiangsu 215123, China
| | - Xiaopeng Li
- Department of Chemistry, University of South Florida, Tampa, Florida 33620, United States
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71
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Tamura Y, Takezawa H, Fujita M. A Double-Walled Knotted Cage for Guest-Adaptive Molecular Recognition. J Am Chem Soc 2020; 142:5504-5508. [DOI: 10.1021/jacs.0c00459] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Yukari Tamura
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Hiroki Takezawa
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Makoto Fujita
- Department of Applied Chemistry, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
- Division of Advanced Molecular Science, Institute for Molecular Science (IMS), 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
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72
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Wang L, Song B, Khalife S, Li Y, Ming LJ, Bai S, Xu Y, Yu H, Wang M, Wang H, Li X. Introducing Seven Transition Metal Ions into Terpyridine-Based Supramolecules: Self-Assembly and Dynamic Ligand Exchange Study. J Am Chem Soc 2020; 142:1811-1821. [PMID: 31910337 PMCID: PMC7375339 DOI: 10.1021/jacs.9b09497] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In coordination-driven self-assembly, 2,2':6',2″-terpyridine (tpy) has gained extensive attention in constructing supramolecular architectures on the basis of ⟨tpy-M-tpy⟩ connectivity. In direct self-assembly of large discrete structures, however, the metal ions were mainly limited to Cd(II), Zn(II), and Fe(II) ions. Herein, we significantly broaden the spectrum of metal ions with seven divalent transition metal ions M(II) (M = Mn, Fe, Co, Ni, Cu, Zn, Cd) to assemble a series of supramolecular fractals. In particular, Mn(II), Co(II), Ni(II), and Cu(II) were reported for the first time to form such large and discrete structures with ⟨tpy-M-tpy⟩ connectivity. In addition, the structural stabilities of those supramolecules in the gas phase and the kinetics of the ligand exchange process in solution were investigated using mass spectrometry. Such a fundamental study gave the relative order of structural stability in the gas phase and revealed the inertness of coordination in solution depending on the metal ions. Those results would guide the future study in tpy-based supramolecular chemistry in terms of self-assembly, characterization, property, and application.
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Affiliation(s)
- Lei Wang
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
| | - Bo Song
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
| | - Sandra Khalife
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
| | - Yiming Li
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
| | - Li-June Ming
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
| | - Shi Bai
- Department of Chemistry and Biochemistry , University of Delaware , Newark , Delaware 19716 , United States
| | - Yaping Xu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun , Jilin 130012 , China
| | - Hao Yu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun , Jilin 130012 , China
| | - Ming Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry , Jilin University , Changchun , Jilin 130012 , China
| | - Heng Wang
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
- College of Chemistry and Environmental Engineering , Shenzhen University , Shenzhen , Guangdong 518055 , China
| | - Xiaopeng Li
- Department of Chemistry , University of South Florida , Tampa , Florida 33620 , United States
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73
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Levín P, Escudero D, Díaz N, Oliver A, Lappin AG, Ferraudi G, Lemus L. Structural and Photochemical Properties of Zn(II) Phenanthroline-Derived Complexes: From Mononuclear to Bimetallic and Circular-Trimetallic Helicates. Inorg Chem 2020; 59:1660-1674. [DOI: 10.1021/acs.inorgchem.9b02773] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pedro Levín
- Facultad de Química y Biología, Departamento de Química de los Materiales, Universidad de Santiago de Chile, Av. Libertador Bernardo O’Higgins, 3363 Estación Central, Santiago, Chile
| | - Dayra Escudero
- Facultad de Química y Biología, Departamento de Química de los Materiales, Universidad de Santiago de Chile, Av. Libertador Bernardo O’Higgins, 3363 Estación Central, Santiago, Chile
| | - Nicolás Díaz
- Facultad de Química y Biología, Departamento de Química de los Materiales, Universidad de Santiago de Chile, Av. Libertador Bernardo O’Higgins, 3363 Estación Central, Santiago, Chile
| | | | | | | | - Luis Lemus
- Facultad de Química y Biología, Departamento de Química de los Materiales, Universidad de Santiago de Chile, Av. Libertador Bernardo O’Higgins, 3363 Estación Central, Santiago, Chile
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74
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Caprice K, Aster A, Cougnon FBL, Kumpulainen T. Untying the Photophysics of Quinolinium-Based Molecular Knots and Links. Chemistry 2020; 26:1576-1587. [PMID: 31670851 DOI: 10.1002/chem.201904456] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 10/30/2019] [Indexed: 01/08/2023]
Abstract
Complex molecular knots and links are still difficult to synthesize and the properties arising from their topology are mostly unknown. Here, we report on a comparative photophysical study carried out on a family of closely related quinolinium-based knots and links to determine the impact exerted by topology on the molecular backbone. Our results indicate that topology has a negligible influence on the behavior of loosely braided molecules, which mostly behave like their unbraided equivalents. On the other hand, tightly braided molecules display distinct features. Their higher packing density results in a pronounced ability to resist deformation, a significant reduction in the solvent-accessible surface area and favors close-range π-π interactions between the quinolinium units and neighboring aromatics. Finally, the sharp alteration in behavior between loosely and tightly braided molecules sheds light on the factors contributing to braiding tightness.
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Affiliation(s)
- Kenji Caprice
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest Ansermet, Geneva, Switzerland
| | - Alexander Aster
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest Ansermet, Geneva, Switzerland
| | - Fabien B L Cougnon
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest Ansermet, Geneva, Switzerland
| | - Tatu Kumpulainen
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest Ansermet, Geneva, Switzerland
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75
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Dang LL, Gao X, Lin YJ, Jin GX. s-Block metal ions induce structural transformations between figure-eight and double trefoil knots. Chem Sci 2020. [DOI: 10.1039/c9sc05796j] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The presence or absence of s-block metal ions induces reversible structural transformation of molecular knots.
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Affiliation(s)
- Li-Long Dang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials
- State Key Laboratory of Molecular Engineering of Polymers
- Department of Chemistry
- Fudan University
- Shanghai 200438
| | - Xiang Gao
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials
- State Key Laboratory of Molecular Engineering of Polymers
- Department of Chemistry
- Fudan University
- Shanghai 200438
| | - Yue-Jian Lin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials
- State Key Laboratory of Molecular Engineering of Polymers
- Department of Chemistry
- Fudan University
- Shanghai 200438
| | - Guo-Xin Jin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials
- State Key Laboratory of Molecular Engineering of Polymers
- Department of Chemistry
- Fudan University
- Shanghai 200438
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76
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Da Silva Rodrigues R, Marshall DL, McMurtrie JC, Mullen KM. Dynamic covalent synthesis of [2]- and [3]rotaxanes both in solution and on solid supports. NEW J CHEM 2020. [DOI: 10.1039/d0nj02137g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Here we demonstrate the application of a dynamic covalent chemistry methodology for the synthesis of [2]- and [3]-rotaxanes not only in solution, but also on solid supports with 65% rotaxane functionalisation of the polymer resins observed.
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Affiliation(s)
| | - David L. Marshall
- Centre for Materials Science
- Queensland University of Technology
- Brisbane
- Australia
- Central Analytical Research Facility
| | - John C. McMurtrie
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
| | - Kathleen M. Mullen
- School of Chemistry and Physics
- Queensland University of Technology
- Brisbane
- Australia
- Centre for Materials Science
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77
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Nath BD, Takaishi K, Ema T. Macrocyclic multinuclear metal complexes acting as catalysts for organic synthesis. Catal Sci Technol 2020. [DOI: 10.1039/c9cy01894h] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Recent progress in homogeneous catalysis with macrocyclic multinuclear metal complexes (categories A–C) is overviewed.
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Affiliation(s)
- Bikash Dev Nath
- Division of Applied Chemistry
- Graduate School of Natural Science and Technology
- Okayama University
- Okayama 700-8530
- Japan
| | - Kazuto Takaishi
- Division of Applied Chemistry
- Graduate School of Natural Science and Technology
- Okayama University
- Okayama 700-8530
- Japan
| | - Tadashi Ema
- Division of Applied Chemistry
- Graduate School of Natural Science and Technology
- Okayama University
- Okayama 700-8530
- Japan
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78
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Núñez-Villanueva D, Hunter CA. Molecular replication using covalent base-pairs with traceless linkers. Org Biomol Chem 2019; 17:9660-9665. [PMID: 31691702 DOI: 10.1039/c9ob02336d] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A unique feature of kinetically inert covalent base-pairing is that the nature of the chemical information that is transferred can be modulated by changing the chemical connectivity between the two bases. Formation of esters between phenols and benzoic acids has been used as a base-pairing strategy for sequence information transfer in template-directed synthesis of linear oligomers, but the copy strand produced by this process has the complementary sequence to the template strand. It is possible to form a base-pair between two benzoic acids by using a hydroquinone linker, which is eliminated when the product duplex is hydrolysed. Using this approach, covalent template-directed synthesis was carried out using a benzoic acid 3-mer template to produce an identical copy. This direct replication process was used in iterative rounds of replication leading to an increase of the population of the copied oligomer.
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Affiliation(s)
- Diego Núñez-Villanueva
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
| | - Christopher A Hunter
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, UK.
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79
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Das G, Sharma SK, Prakasam T, Gándara F, Mathew R, Alkhatib N, Saleh N, Pasricha R, Olsen JC, Baias M, Kirmizialtin S, Jagannathan R, Trabolsi A. A polyrotaxanated covalent organic network based on viologen and cucurbit[7]uril. Commun Chem 2019. [DOI: 10.1038/s42004-019-0207-3] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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80
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Alvariño C, Heinrich B, Donnio B, Deschenaux R, Therrien B. Supramolecular Arene-Ruthenium Metallacycle with Thermotropic Liquid-Crystalline Properties. Inorg Chem 2019; 58:9505-9512. [PMID: 31247839 DOI: 10.1021/acs.inorgchem.9b01532] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Functionalization of 1,4-di(4-pyridinyl)benzene with poly(arylester) dendrimers bearing cyanobiphenyl end-groups gives a bidentate dendromesogenic ligand (L) that exhibits thermotropic liquid-crystalline properties. Combination of the diruthenium complex [Ru2(p-cymene)2(donq)][DDS]2 (M) with L, by coordination-driven self-assembly, affords the discrete and well-defined metallacycle M2L2. Like L, this supramolecular dendritic system displays mesomorphic properties above 50 °C. Both compounds L and M2L2 show smectic phases, characterized by a multilayered organization of the multiple components.
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Affiliation(s)
- Cristina Alvariño
- Institut de Chimie , Université de Neuchâtel , Avenue de Bellevaux 51 , Neuchâtel 2000 , Switzerland
| | - Benoît Heinrich
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 , CNRS-Université de Strasbourg , 23 rue du Loess, BP43 , Strasbourg cedex 2 67034 , France
| | - Bertrand Donnio
- Institut de Physique et Chimie des Matériaux de Strasbourg (IPCMS), UMR 7504 , CNRS-Université de Strasbourg , 23 rue du Loess, BP43 , Strasbourg cedex 2 67034 , France
| | - Robert Deschenaux
- Institut de Chimie , Université de Neuchâtel , Avenue de Bellevaux 51 , Neuchâtel 2000 , Switzerland
| | - Bruno Therrien
- Institut de Chimie , Université de Neuchâtel , Avenue de Bellevaux 51 , Neuchâtel 2000 , Switzerland
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81
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Ciaccia M, Núñez-Villanueva D, Hunter CA. Capping Strategies for Covalent Template-Directed Synthesis of Linear Oligomers Using CuAAC. J Am Chem Soc 2019; 141:10862-10875. [PMID: 31251047 DOI: 10.1021/jacs.9b04973] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Covalent templating provides an attractive solution to the controlled synthesis of linear oligomers because a template oligomer can be used to define the precise length and sequence of the product. If the monomer units are attached to the template using kinetically inert covalent bonds it should be possible to operate at high dilution to favor intramolecular over intermolecular reaction. However, for oligomerization reactions using copper-catalyzed azide alkyne cycloaddition (CuAAC) this is not the case. The rate-limiting step is formation of an activated copper complex, so any alkyne that is activated by copper reacts rapidly with the nearest available azide. As a result, every time a chain end alkyne is activated, rapid intermolecular reaction takes place with a different oligomer leading to the formation of higher order products. It proved possible to block these intermolecular reactions by adding an excess of an azide capping agent that intercepts the chain end of the growing oligomer on the template. By adjusting the concentration of the capping agent to compete effectively with the unwanted intermolecular reactions without interfering with the desired intramolecular reactions, it was possible to obtain quantitative yields of copy strands from covalent template-directed oligomerization reactions. Remarkably, the capping agent could also be used to control the stereochemistry of the duplex formed in the templated oligomerization reaction to give exclusively the antiparallel product.
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Affiliation(s)
- Maria Ciaccia
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , United Kingdom
| | - Diego Núñez-Villanueva
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , United Kingdom
| | - Christopher A Hunter
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge CB2 1EW , United Kingdom
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82
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Lu J, Montigaud V, Cador O, Wu J, Zhao L, Li XL, Guo M, Le Guennic B, Tang J. Lanthanide(III) Hexanuclear Circular Helicates: Slow Magnetic Relaxation, Toroidal Arrangement of Magnetic Moments, and Magnetocaloric Effects. Inorg Chem 2019; 58:11903-11911. [DOI: 10.1021/acs.inorgchem.9b01068] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Jingjing Lu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Vincent Montigaud
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France
| | - Olivier Cador
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France
| | - Jianfeng Wu
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
| | - Lang Zhao
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
| | - Xiao-Lei Li
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
| | - Mei Guo
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
| | - Boris Le Guennic
- Univ Rennes, CNRS, ISCR (Institut des Sciences Chimiques de Rennes) - UMR 6226, F-35000 Rennes, France
| | - Jinkui Tang
- State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
- School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei 230026, P. R. China
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83
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Núñez-Villanueva D, Ciaccia M, Iadevaia G, Sanna E, Hunter CA. Sequence information transfer using covalent template-directed synthesis. Chem Sci 2019; 10:5258-5266. [PMID: 31191881 PMCID: PMC6540929 DOI: 10.1039/c9sc01460h] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 04/22/2019] [Indexed: 12/14/2022] Open
Abstract
Kinetically inert ester bonds were used to attach monomers to a template, dictating the sequence of the polymer product.
Template-directed synthesis is the biological method for the assembly of oligomers of defined sequence, providing the molecular basis for replication and the process of evolution. To apply analogous processes to synthetic oligomeric molecules, methods are required for the transfer of sequence information from a template to a daughter strand. We show that covalent template-directed synthesis is a promising approach for the molecular replication of sequence information in synthetic oligomers. Two monomer building blocks were synthesized: a phenol monomer and a benzoic acid monomer, each bearing an alkyne and an azide for oligomerization via copper catalyzed azide alkyne cycloaddition (CuAAC) reactions. Stepwise synthesis was used to prepare oligomers, where information was encoded as the sequence of phenol (P) and benzoic acid (A) units. Ester base-pairing was used to attach monomers to a mixed sequence template, and CuAAC was used to zip up the backbone. Hydrolysis of the ester base-pairs gave back the starting template and the sequence complementary copy. When the AAP trimer was used as the template, the complementary sequence PPA was obtained as the major product, with a small amount of scrambling resulting in PAP as a side-product. This covalent base-pairing strategy represents a general approach that can be implemented in different formats for the replication of sequence information in synthetic oligomers.
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Affiliation(s)
- Diego Núñez-Villanueva
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK .
| | - Maria Ciaccia
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK .
| | - Giulia Iadevaia
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK .
| | - Elena Sanna
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK .
| | - Christopher A Hunter
- Department of Chemistry , University of Cambridge , Lensfield Road , Cambridge , CB2 1EW , UK .
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84
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Gao WX, Feng HJ, Lin YJ, Jin GX. Covalent Post-assembly Modification Triggers Structural Transformations of Borromean Rings. J Am Chem Soc 2019; 141:9160-9164. [DOI: 10.1021/jacs.9b02985] [Citation(s) in RCA: 46] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Wen-Xi Gao
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Hui-Jun Feng
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Yue-Jian Lin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Guo-Xin Jin
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
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85
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Coordination-driven self-assembly of a molecular figure-eight knot and other topologically complex architectures. Nat Commun 2019; 10:2057. [PMID: 31053709 PMCID: PMC6499799 DOI: 10.1038/s41467-019-10075-6] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 04/08/2019] [Indexed: 11/10/2022] Open
Abstract
Over the past decades, molecular knots and links have captivated the chemical community due to their promising mimicry properties in molecular machines and biomolecules and are being realized with increasing frequency with small molecules. Herein, we describe how to utilize stacking interactions and hydrogen-bonding patterns to form trefoil knots, figure-eight knots and [2]catenanes. A transformation can occur between the unique trefoil knot and its isomeric boat-shaped tetranuclear macrocycle by the complementary concentration effect. Remarkably, the realization and authentication of the molecular figure-eight knot with four crossings fills the blank about 41 knot in knot tables. The [2]catenane topology is obtained because the selective naphthalenediimide (NDI)-based ligand, which can engender favorable aromatic donor-acceptor π interactions due to its planar, electron-deficient aromatic surface. The stacking interactions and hydrogen-bond interactions play important roles in these self-assembly processes. The advantages provide an avenue for the generation of structurally and topologically complex supramolecular architectures. Molecular knots and links continue to fascinate synthetic chemists. Here, the authors use stacking and hydrogen-bonding interactions between a set of similar building blocks to construct several complex molecular topologies, including a figure-eight knot and a trefoil knot.
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86
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Leigh DA, Pirvu L, Schaufelberger F. Stereoselective Synthesis of Molecular Square and Granny Knots. J Am Chem Soc 2019; 141:6054-6059. [PMID: 30892025 PMCID: PMC6492950 DOI: 10.1021/jacs.9b01819] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
![]()
We
report on the stereoselective synthesis of both molecular granny
and square knots through the use of lanthanide-complexed overhand
knots of specific handedness as three-crossing “entanglement
synthons”. The composite knots are assembled by combining two
entanglement synthons (of the same chirality for a granny knot; of
opposite handedness for a square knot) in three synthetic steps: first,
a CuAAC reaction joins together one end of each overhand knot. Ring-closing
olefin metathesis (RCM) then affords the closed-loop knot, locking
the topology. This allows the lanthanide ions necessary for stabilizing
the entangled conformation of the synthons to subsequently be removed.
The composite knots were characterized by 1H and 13C NMR spectroscopy and mass spectrometry and the chirality of the
knot stereoisomers compared by circular dichroism. The synthetic strategy
of combining building blocks of defined stereochemistry (here overhand
knots of Λ- or Δ-handed entanglement) is reminiscent of
the chiron approach of using minimalist chiral synthons in the stereoselective
synthesis of molecules with multiple asymmetric centers.
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Affiliation(s)
- David A Leigh
- School of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , U.K
| | - Lucian Pirvu
- School of Chemistry , University of Manchester , Oxford Road , Manchester M13 9PL , U.K
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87
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Huang J, Liu D, Wang SC, Chen M, Zhao H, Li K, Chan YT, Wang P. Molecular Lemniscates from Organic-Metal Terpyridine-Based Self-Assembly and Host-Guest Recognition. Inorg Chem 2019; 58:5051-5057. [PMID: 30920813 DOI: 10.1021/acs.inorgchem.9b00119] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The intricate discrete supramolecular architectures via two or more noncovalent interactions are very attractive for chemists. In this paper, a series of homomeric metallo-supramolecular lemniscates were prepared in nearly quantitative yields by assembling either dialkylammonium salt- or benzo-21-crown-7 (B21C7)-containing terpyridyl metallo-organic ligands with Zn2+. Furthermore, the heteromeric analogue could be obtained through two ways: (1) the cooperative interaction of coordination-driven self-assembly and host-guest recognition and (2) the transformation from homodimers to heterodimers driven by host-guest interaction. These supramolecules were characterized by nuclear magnetic resonance (NMR), diffusion-ordered NMR spectroscopy, electrospray ionization mass spectrometry, and two-dimensional (2D) ion-mobility mass spectrometry.
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Affiliation(s)
- Jian Huang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - Die Liu
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education , Guangzhou University , Guangzhou 510006 , China
| | - Shi-Cheng Wang
- Department of Chemistry , National Taiwan University , Number 1, Section 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Mingzhao Chen
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - He Zhao
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - Kaixiu Li
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - Yi-Tsu Chan
- Department of Chemistry , National Taiwan University , Number 1, Section 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Pingshan Wang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China.,Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education , Guangzhou University , Guangzhou 510006 , China
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88
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Zhang F, Fluck A, Baudron SA, Hosseini MW. Strapping a benzaldehyde-appended 2,2'-bis-dipyrrin Zn(ii) double-stranded helicate using imine bond formation. Dalton Trans 2019; 48:4105-4108. [PMID: 30816384 DOI: 10.1039/c9dt00377k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel linear binuclear Zn(ii)/2,2'-bis-dipyrrin double-stranded helicate bearing peripheral p-benzaldehyde moieties has been strapped by formation of imine bonds upon reaction with m-xylylenediamine and characterized by 1H- and 13C-NMR spectroscopy, UV-Visible spectroscopy and high-resolution mass spectrometry.
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Affiliation(s)
- Fan Zhang
- Laboratoire de Tectonique Moléculaire, UMR CNRS 7140, icFRC, Université de Strasbourg, F-67000, Strasbourg, France.
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89
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Siddiqui MM, Saha R, Mukherjee PS. Ruthenium(II) Metalla[2]catenanes and Macrocycles via Donor-Dependent Self-Assembly. Inorg Chem 2019; 58:4491-4499. [DOI: 10.1021/acs.inorgchem.9b00019] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Mujahuddin M. Siddiqui
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Rupak Saha
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
| | - Partha Sarathi Mukherjee
- Department of Inorganic and Physical Chemistry, Indian Institute of Science, Bangalore 560012, India
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90
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Franz M, Januszewski JA, Hampel F, Tykwinski RR. [3]Rotaxanes with Mixed Axles: Polyynes and Cumulenes. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900188] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Michael Franz
- Department of Chemistry and Pharmacy & Interdisciplinary Center of Molecular Materials (ICMM); University of Erlangen-Nuremberg (FAU); Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
| | - Johanna A. Januszewski
- Department of Chemistry and Pharmacy & Interdisciplinary Center of Molecular Materials (ICMM); University of Erlangen-Nuremberg (FAU); Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
| | - Frank Hampel
- Department of Chemistry and Pharmacy & Interdisciplinary Center of Molecular Materials (ICMM); University of Erlangen-Nuremberg (FAU); Nikolaus-Fiebiger-Strasse 10 91058 Erlangen Germany
| | - Rik R. Tykwinski
- Department of Chemistry; University of Alberta; Edmonton Alberta T6G 2G Canada
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91
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Ferrando-Soria J, Fernandez A, Vitorica-Yrezabal IJ, Asthana D, Muryn CA, Tuna F, Timco GA, Winpenny REP. Formation of an interlocked double-chain from an organic-inorganic [2]rotaxane. Chem Commun (Camb) 2019; 55:2960-2963. [PMID: 30778447 DOI: 10.1039/c8cc09339c] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Here we show that a structure containing a polymeric interlocking daisy chain is obtained from the reaction of an inorganic-organic [2]rotaxane [HB{CrIII7NiII(μ-F)8(O2CtBu)16}], where B is an organic thread terminated with a bi-pyridyl unit, with an oxo-centered metal carboxylate triangle [FeIII2CoII(μ3-O)(O2CtBu)6(HO2CtBu)3].
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Affiliation(s)
- Jesús Ferrando-Soria
- School of Chemistry and Photon Science Institute, The University of Manchester, Oxford Road, Manchester M13 9PL, UK.
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92
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Zhang Z, Wang H, Shi J, Wang P, Liu C, Wang M, Li X. Stepwise Self-Assembly and Dynamic Exchange of Supramolecular Snowflakes. Isr J Chem 2019; 59:237-247. [PMID: 33833469 DOI: 10.1002/ijch.201800070] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Snowflake, a highly symmetrical hexagram figure, is challenging to be expressed by chemistry/supramolecular chemistry due to the complex structure. Herein, we have constructed super snowflake supramolecules using terpyridine (tpy)-based metal-organic building blocks with <tpy-Ru(II)-tpy> and <tpy-Zn(II)-tpy> connectivities through stepwise strategies in high yield. The structures were characterized by multi-dimensional mass spectrometry and multi-dimensional NMR spectrometry. In order to address the stability/tolerance of our designed super snowflake structures, ligand exchange behaviors between different supramolecules with various arm length were fully investigated by mass spectrometry. The study revealed that three modes could exist in such binary systems, including full exchange, partial exchange and self-sorting (no exchange) depending on the length difference of ligands.
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Affiliation(s)
- Zhe Zhang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Environmental Research at Great Bay, Guangzhou University, Guangzhou 510006, P R. China.,Department of Chemistry, University of South Florida, Tampa 33620, United States.,Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, School of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Heng Wang
- Department of Chemistry, University of South Florida, Tampa 33620, United States
| | - Junjuan Shi
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P R. China
| | - Pingshan Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Environmental Research at Great Bay, Guangzhou University, Guangzhou 510006, P R. China
| | - Changlin Liu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, School of Chemistry, Central China Normal University, Wuhan 430079, P. R. China
| | - Ming Wang
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P R. China
| | - Xiaopeng Li
- Department of Chemistry, University of South Florida, Tampa 33620, United States
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93
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Zhang L, Stephens AJ, Lemonnier JF, Pirvu L, Vitorica-Yrezabal IJ, Robinson CJ, Leigh DA. Coordination Chemistry of a Molecular Pentafoil Knot. J Am Chem Soc 2019; 141:3952-3958. [PMID: 30742430 PMCID: PMC6438588 DOI: 10.1021/jacs.8b12548] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
The binding of Zn(II) cations to
a pentafoil (51) knotted
ligand allows the synthesis of otherwise inaccessible metalated molecular
pentafoil knots via transmetalation, affording the corresponding “first-sphere”
coordination Co(II), Ni(II), and Cu(II) pentanuclear knots in good
yields (≥85%). Each of the knot complexes was characterized
by mass spectrometry, the diamagnetic (zinc) knot complex was characterized
by 1H and 13C NMR spectroscopy, and the zinc,
cobalt, and nickel pentafoil knots afforded single crystals whose
structures were determined by X-ray crystallography. Lehn-type circular
helicates generally only form with tris-bipy ligand strands and Fe(II)
(and, in some cases, Ni(II) and Zn(II)) salts, so such architectures
become accessible for other metal cations only through the use of
knotted ligands. The different metalated knots all exhibit “second-sphere”
coordination of a single chloride ion within the central cavity of
the knot through CH···Cl– hydrogen
bonding and electrostatic interactions. The chloride binding affinities
were determined in MeCN by isothermal titration calorimetry, and the
strength of binding was shown to vary over 3 orders of magnitude for
the different metal-ion–knotted-ligand second-sphere coordination
complexes.
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Affiliation(s)
- Liang Zhang
- School of Chemistry and Molecular Engineering , East China Normal University , Shanghai 200062 , China.,School of Chemistry , University of Manchester , Manchester M13 9PL , United Kingdom
| | - Alexander J Stephens
- School of Chemistry , University of Manchester , Manchester M13 9PL , United Kingdom
| | | | - Lucian Pirvu
- School of Chemistry , University of Manchester , Manchester M13 9PL , United Kingdom
| | | | - Christopher J Robinson
- SYNBIOCHEM, Manchester Institute of Biotechnology , University of Manchester , Manchester M1 7DN , United Kingdom
| | - David A Leigh
- School of Chemistry and Molecular Engineering , East China Normal University , Shanghai 200062 , China.,School of Chemistry , University of Manchester , Manchester M13 9PL , United Kingdom
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94
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Prakasam T, Devaraj A, Saha R, Lusi M, Brandel J, Esteban-Gómez D, Platas-Iglesias C, Olson MA, Mukherjee PS, Trabolsi A. Metal–Organic Self-Assembled Trefoil Knots for C—Br Bond Activation. ACS Catal 2019. [DOI: 10.1021/acscatal.8b04650] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Thirumurugan Prakasam
- New York University Abu Dhabi (NYUAD), Experimental Research Building, Building C1, Saadiyat Island, Abu Dhabi, United Arab Emirates
| | - Anthonisamy Devaraj
- Inorganic and Physical Chemistry Department, Indian Institute of Science, Bangalore 560012, India
| | - Rupak Saha
- Inorganic and Physical Chemistry Department, Indian Institute of Science, Bangalore 560012, India
| | - Matteo Lusi
- Department of Chemical and Environmental Science, University of Limerick, Limerick, Republic of Ireland
| | - Jeremy Brandel
- Université de Strasbourg, IPHC, 25 rue Becquerel, 67087 Strasbourg, France
- CNRS, UMR7178, 67087 Strasbourg, France
| | - David Esteban-Gómez
- Departamento de Química, Facultade de Ciencias & Centro de Investigaciones Cientı́ficas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain
| | - Carlos Platas-Iglesias
- Departamento de Química, Facultade de Ciencias & Centro de Investigaciones Cientı́ficas Avanzadas (CICA), Universidade da Coruña, 15071 A Coruña, Spain
| | - Mark Anthony Olson
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Partha Sarathi Mukherjee
- Inorganic and Physical Chemistry Department, Indian Institute of Science, Bangalore 560012, India
| | - Ali Trabolsi
- New York University Abu Dhabi (NYUAD), Experimental Research Building, Building C1, Saadiyat Island, Abu Dhabi, United Arab Emirates
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95
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Ng AWH, Au‐Yeung HY. Molecular Links and Knots from Naphthalenediimide: A Balance of Weak Interactions. Chem Asian J 2019; 14:1602-1612. [DOI: 10.1002/asia.201801681] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Antony Wing Hung Ng
- Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Ho Yu Au‐Yeung
- Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
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96
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Zhan SZ, Li JH, Zhang GH, Liu XW, Li M, Zheng J, Ng SW, Li D. A luminescent edge-interlocked prismatic heteroleptic metallocage assembled through a ligand replacement reaction. Chem Commun (Camb) 2019; 55:11992-11995. [DOI: 10.1039/c9cc05236d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A luminescent edge-interlocked heteroleptic metallocages based on Cu3(pyrazolate)3 was prepared through a ligand replacement reaction from a homoleptic metallocage and a new ligand.
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Affiliation(s)
- Shun-Ze Zhan
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province
- Shantou University
- Shantou 515063
- P. R. China
| | - Jing-Hong Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province
- Shantou University
- Shantou 515063
- P. R. China
| | - Guo-Hui Zhang
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province
- Shantou University
- Shantou 515063
- P. R. China
| | - Xiao-Wei Liu
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province
- Shantou University
- Shantou 515063
- P. R. China
| | - Mian Li
- Department of Chemistry and Key Laboratory for Preparation and Application of Ordered Structural Materials of Guangdong Province
- Shantou University
- Shantou 515063
- P. R. China
| | - Ji Zheng
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- P. R. China
| | - Seik Weng Ng
- Department of Chemistry University of Malaya
- Malaysia
| | - Dan Li
- College of Chemistry and Materials Science
- Jinan University
- Guangzhou 510632
- P. R. China
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97
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Liu D, Chen M, Li Y, Shen Y, Huang J, Yang X, Jiang Z, Li X, Newkome GR, Wang P. Vertical Assembly of Giant Double- and Triple-Decker Spoked Wheel Supramolecular Structures. Angew Chem Int Ed Engl 2018; 57:14116-14120. [PMID: 30209882 PMCID: PMC6345588 DOI: 10.1002/anie.201809819] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2018] [Indexed: 01/04/2023]
Abstract
The double- or triple-decker 3D metallo-hexagons were obtained by self-assembly of multitopic tris-terpyridines with Cd2+ ions in near-quantitative yield. Comprising up to 72 ionic pairs, the multiple spoked wheels display characteristic reversible gelation properties under thermodynamic conditions. The supramolecular metallo-nanoarchitectures were characterized by 1 H NMR, 2D NMR (COSY and NOESY), and diffusion-ordered spectroscopy (DOSY) and HR-ESI-MS, traveling-wave ion mobility mass spectrometry (TWIM-MS), TEM, and AFM. For the first time, the self-assembly of 45 units at once was demonstrated to yield exceptional giant triple-decker hexagons of up to circa 42 000 Da.
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Affiliation(s)
- Die Liu
- Key Laboratory for Water Quality and Conservation, of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, 510006, China
| | - Mingzhao Chen
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Yiming Li
- Department of Chemistry, University of South Florida, Tampa, FL, 33640, USA
| | - Yixian Shen
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Jian Huang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Xiaoyu Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Zhilong Jiang
- Key Laboratory for Water Quality and Conservation, of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, 510006, China
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
| | - Xiaopeng Li
- Department of Chemistry, University of South Florida, Tampa, FL, 33640, USA
| | - George R Newkome
- Departments of Polymer Science and Chemistry, University of Akron, Akron, OH, 44325-4717, USA
- Center for Molecular Biology and Biotechnology, Florida Atlantic University, 5353 Parkside Dr., Jupiter, FL, 33458, USA
| | - Pingshan Wang
- Key Laboratory for Water Quality and Conservation, of the Pearl River Delta, Ministry of Education, Institute of Environmental Research at Greater Bay, Guangzhou University, Guangzhou, 510006, China
- College of Chemistry and Chemical Engineering, Central South University, Changsha, 410083, China
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98
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Liu D, Chen M, Li Y, Shen Y, Huang J, Yang X, Jiang Z, Li X, Newkome GR, Wang P. Vertical Assembly of Giant Double- and Triple-Decker Spoked Wheel Supramolecular Structures. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809819] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Die Liu
- Key Laboratory for Water Quality and Conservation, of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Bay; Guangzhou University; Guangzhou 510006 China
| | - Mingzhao Chen
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
| | - Yiming Li
- Department of Chemistry; University of South Florida; Tampa FL 33640 USA
| | - Yixian Shen
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
| | - Jian Huang
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
| | - Xiaoyu Yang
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
| | - Zhilong Jiang
- Key Laboratory for Water Quality and Conservation, of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Bay; Guangzhou University; Guangzhou 510006 China
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
| | - Xiaopeng Li
- Department of Chemistry; University of South Florida; Tampa FL 33640 USA
| | - George R. Newkome
- Departments of Polymer Science and Chemistry; University of Akron; Akron OH 44325-4717 USA
- Center for Molecular Biology and Biotechnology; Florida Atlantic University; 5353 Parkside Dr. Jupiter FL 33458 USA
| | - Pingshan Wang
- Key Laboratory for Water Quality and Conservation, of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Bay; Guangzhou University; Guangzhou 510006 China
- College of Chemistry and Chemical Engineering; Central South University; Changsha 410083 China
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99
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Higashino T, Kumagai A, Sakaki S, Imahori H. Reversible π-system switching of thiophene-fused thiahexaphyrins by solvent and oxidation/reduction. Chem Sci 2018; 9:7528-7539. [PMID: 30319753 PMCID: PMC6179095 DOI: 10.1039/c8sc02448k] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 08/07/2018] [Indexed: 12/23/2022] Open
Abstract
The concept of chemical topology has generated considerable interest among chemists and one of the state-of-the-art topics is Möbius topology in cyclic π-conjugated molecules. In this regard, expanded porphyrins have been extensively studied because of their facile topological interconversions and attractive optoelectronic properties. A typical example involves [28]hexaphyrins: they show topological conversion between planar Hückel and twisted Möbius topologies owing to their flexible structure. With this in mind, we designed a [28]hexaphyrin where one dimethine pyrrole unit was replaced with dithieno[3,4-b:3',4'-d]thiophene (β-DTT), aiming at a reversible switching between macrocyclic and cross-conjugated π-systems by a change in molecular topologies. Considering that the β-DTT unit can offer both macrocyclic and cross-conjugated π-circuits, we envisioned that a combination of the topological interconversion of [28]hexaphyrin with the two π-circuits of the β-DTT unit would enable a reversible switching between macrocyclic and cross-conjugated π-circuits on Möbius and Hückel topologies, respectively, by a simple conformational change. Unexpectedly, the hexaphyrin revealed a unique, unprecedented π-system switching between a Möbius cross-conjugated π-system and a Hückel antiaromatic π-system, which was fully supported by both experimental and theoretical investigations. Meanwhile, the [28]hexaphyrin was also found to be redox interconvertible with the corresponding [26]hexaphyrin with a Hückel cross-conjugated π-system. These results demonstrate that the β-DTT unit is a new effective motif to realize π-system switching by changing molecular and π-system topologies. Importantly, external stimuli, i.e., solvent, as well as oxidation/reduction can be used to trigger the topological changes in expanded porphyrins with the help of the β-DTT unit.
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Affiliation(s)
- Tomohiro Higashino
- Department of Molecular Engineering , Graduate School of Engineering , Kyoto University , Nishikyo-ku , Kyoto 615-8510 , Japan . ;
| | - Atsushi Kumagai
- Department of Molecular Engineering , Graduate School of Engineering , Kyoto University , Nishikyo-ku , Kyoto 615-8510 , Japan . ;
| | - Shigeyoshi Sakaki
- Fukui Institute for Fundamental Chemistry , Kyoto University , Sakyo-ku , Kyoto 606-8103 , Japan
| | - Hiroshi Imahori
- Department of Molecular Engineering , Graduate School of Engineering , Kyoto University , Nishikyo-ku , Kyoto 615-8510 , Japan . ;
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) , Kyoto University , Sakyo-ku , Kyoto 606-8501 , Japan
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100
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Chen M, Wang J, Wang SC, Jiang Z, Liu D, Liu Q, Zhao H, Yan J, Chan YT, Wang P. Truncated Sierpiński Triangular Assembly from a Molecular Mortise-Tenon Joint. J Am Chem Soc 2018; 140:12168-12174. [PMID: 30153008 DOI: 10.1021/jacs.8b07248] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The amalgamation of different components into a giant and intricate structure that makes quantitative and spontaneous assembly through molecular design is indispensable but challenging. To construct novel metallo-supramolecular architectures, here we present an architectural design principle based on multicomponent self-assembly. Using a carefully designed hexatopic terpyridine-based metallo-organic ligand (MOL), [Ru2T2K], we report on the formation of supramolecular trapezoid Zn5[Ru2T2K]V2, hollow hexagon Zn15[Ru2T2K]3K3, and giant star-shaped supramolecule Zn18[Ru2T2K]3[Ru2X2V]3, all of which were assembled by one-pot, nearly quantitative assembly of [Ru2T2K] with the ditopic 60°-directed bisterpyridine V, tetrakisterpyridine K, and MOL [Ru2X2V], respectively. The complementary ligands were selected on the basis of the size- and shape-fit principles, actually similar to the mortise-tenon joint that aligns and locks the two complementary wood components. This strategy is expected to open the door to sophisticated designer supramolecules and nonbiological materials. The multivalent connections within the mutual ligands give rise to the formation of stable assemblies, which are unambiguously characterized by NMR, ESI-MS, TWIM-MS, and TEM analyses.
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Affiliation(s)
- Mingzhao Chen
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Jun Wang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Shi-Cheng Wang
- Department of Chemistry , National Taiwan University , Taipei 10617 , Taiwan
| | - Zhilong Jiang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China.,Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Area , Guangzhou University , Guangzhou 510006 , P. R. China
| | - Die Liu
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China.,Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Area , Guangzhou University , Guangzhou 510006 , P. R. China
| | - Qianqian Liu
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - He Zhao
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Jun Yan
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China
| | - Yi-Tsu Chan
- Department of Chemistry , National Taiwan University , Taipei 10617 , Taiwan
| | - Pingshan Wang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , P. R. China.,Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education; Institute of Environmental Research at Greater Area , Guangzhou University , Guangzhou 510006 , P. R. China
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