1
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Ruan W, Gao Y, Lin J, Fang X. Polyoxometalate-Dicarboxylate Hybrid Dimers with {SiW 10Cr 2} Nodes: Syntheses, Structures, and Mass Spectrometric Characterization. Inorg Chem 2024; 63:12399-12403. [PMID: 38905145 DOI: 10.1021/acs.inorgchem.4c01639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/23/2024]
Abstract
The current study describes a new family of hybrid dimers constructed from secondary building blocks based on a dichromium-substituted silicodecatungstate, {SiW10Cr2}, and flexible dicarboxylate ligands of varied lengths. All five polyoxometalate-organic hybrid compounds exhibit an entropically favored, cyclic dimer motif that contains just two {SiW10Cr2} clusters─the minimum to form a closed loop, linked by two aliphatic dicarboxylates, as revealed by single-crystal X-ray diffraction. Due to the kinetic inertness of such Cr3+-based hybrid dimers, ESI-MS has become a particularly useful technique for the characterization of these paramagnetic, NMR-unfriendly systems.
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Affiliation(s)
- Wenjun Ruan
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Yuan Gao
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Jiaheng Lin
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
| | - Xikui Fang
- MIIT Key Laboratory of Critical Materials Technology for New Energy Conversion and Storage, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin 150001, China
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2
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Cortés-Martínez A, von Baeckmann C, Hernández-López L, Carné-Sánchez A, Maspoch D. Giant oligomeric porous cage-based molecules. Chem Sci 2024; 15:7992-7998. [PMID: 38817590 PMCID: PMC11134396 DOI: 10.1039/d4sc01974a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 04/29/2024] [Indexed: 06/01/2024] Open
Abstract
Most reported porous materials are either extended networks or monomeric discrete cavities; indeed, porous structures of intermediate size have scarcely been explored. Herein, we present the stepwise linkage of discrete porous metal-organic cages or polyhedra (MOPs) into oligomeric structures with a finite number of MOP units. The synthesis of these new oligomeric porous molecules entails the preparation of 1-connected (1-c) MOPs with only one available azide reactive site on their surface. The azide-terminated 1-c MOP is linked through copper(i)-catalysed azide-alkyne cycloaddition click chemistry with additional alkyne-terminated 1-c MOPs, 4-c clusters, or 24-c MOPs to yield three classes of giant oligomeric molecules: dimeric, tetrameric, or satellite-like, respectively. Importantly, all the giant molecules that we synthesised are soluble in water and permanently porous in the solid state.
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Affiliation(s)
- Alba Cortés-Martínez
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology Campus UAB, Bellaterra 08193 Barcelona Spain
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona (UAB) Cerdanyola del Vallès 08193 Barcelona Spain
| | - Cornelia von Baeckmann
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology Campus UAB, Bellaterra 08193 Barcelona Spain
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona (UAB) Cerdanyola del Vallès 08193 Barcelona Spain
| | - Laura Hernández-López
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology Campus UAB, Bellaterra 08193 Barcelona Spain
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona (UAB) Cerdanyola del Vallès 08193 Barcelona Spain
| | - Arnau Carné-Sánchez
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology Campus UAB, Bellaterra 08193 Barcelona Spain
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona (UAB) Cerdanyola del Vallès 08193 Barcelona Spain
| | - Daniel Maspoch
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology Campus UAB, Bellaterra 08193 Barcelona Spain
- Departament de Química, Facultat de Ciències, Universitat Autònoma de Barcelona (UAB) Cerdanyola del Vallès 08193 Barcelona Spain
- ICREA Pg. Lluís Companys 23 08010 Barcelona Spain
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3
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Pan T, Wu Y, Duan Y, Duan J. Solvents regulate the packing porosity of a bilayer metal-organic cage. Dalton Trans 2024; 53:9106-9111. [PMID: 38738951 DOI: 10.1039/d4dt01040j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024]
Abstract
Metal-organic cages (MOCs) are an emerging class of porous materials with promising applications. However, controlling the configuration of the cage packing, which can influence the overall porosity of the materials, remains a difficulty, as many factors can influence the cage assembly and stacking. Herein, we report a solvent strategy to fine-tune the packing configuration of a bilayer MOC, a small triangular prism cage (six Cu ions act as vertices, three nitrate ions act as pillars, and six nitrate ions act as caps) incorporated into a large triangular prism cage (another six Cu ions act as vertices, a couple of oxygen atoms act as pillars and six ligands (L1: 3,5-bis(pyridine-3-yl)-4H-1,2,4-triazole) act as a jointed cap) by the coordination between the triazole nitrogen from L1 and the inner vertex Cu ions. The involved solvents water, acetonitrile (MeCN) and N,N'-dimethylformamide (DMF) form hydrogen bonds with this bilayer MOC, resulting in three different types of packing associated with systemically tuned porosity (NTU-93: 12.2%, NTU-94: 19.3%, and NTU-95: 42.1%). Gas adsorption and breakthrough tests demonstrate that NTU-95 has potential ability for C2H2/C2H4 separation. This work not only shows a case of finely tuned packing of coordination cages, but also provides a powerful tool that may be extended to other cage families.
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Affiliation(s)
- Ting Pan
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Yanxin Wu
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Yuefeng Duan
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
| | - Jingui Duan
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 211816, China.
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi, 830017, China
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4
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Dang LL, Zheng J, Zhang JZ, Chen T, Chai YH, Fu HR, Aznarez F, Liu SR, Li DS, Ma LF. Triply Interlocked [2]catenanes: Rational Synthesis, Reversible Conversion Studies and Unprecedented Application in Photothermal Responsive Elastomer. Angew Chem Int Ed Engl 2024:e202406552. [PMID: 38766881 DOI: 10.1002/anie.202406552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 05/06/2024] [Accepted: 05/18/2024] [Indexed: 05/22/2024]
Abstract
Triply interlocked [2]catenane complexes featuring two identical, mechanically interlocked units are extraordinarily rare chemical compounds, whose properties and applications remain open to detailed studies. Herein, we introduce the rational design of a new ligand precursor, L1, suitable for the synthesis of six triply interlocked [2]catenanes by coordination-driven self-assembly. The interlocked compounds can be reversibly converted into the corresponding simple triangular prism metallacage by addition of H2O or DMF solvents to their CH3OH solutions, thereby demonstrating the importance of π⋅⋅⋅π stacking and hydrogen bonding interactions in the formation of triply interlocked [2]catenanes. Moreover, extensive studies have been conducted to assess the remarkable photothermal conversion performance. Complex 6 a, exhibiting outstanding photothermal conversion performance (conversion efficiency in solution : 31.82 %), is used to prepare novel photoresponsive elastomer in combination with thermally activated liquid crystal elastomer. The resultant material displays robust response to near-infrared (NIR) laser and the capability of completely reforming the shape and reversible actuation, paving the way for the application of half-sandwich organometallic units in photo-responsive smart materials.
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Affiliation(s)
- Li-Long Dang
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Henan Province Function-Oriented Porous Materials Key Laboratory, Luoyang, 471934, P. R. China
| | - Jie Zheng
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Henan Province Function-Oriented Porous Materials Key Laboratory, Luoyang, 471934, P. R. China
- College of materials and Chemical Engineering, China Three Gorges University, Yichang, 443002, P. R. China
| | - Ju-Zhong Zhang
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Tian Chen
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Henan Province Function-Oriented Porous Materials Key Laboratory, Luoyang, 471934, P. R. China
| | - Yin-Hang Chai
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Henan Province Function-Oriented Porous Materials Key Laboratory, Luoyang, 471934, P. R. China
| | - Hong-Ru Fu
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Henan Province Function-Oriented Porous Materials Key Laboratory, Luoyang, 471934, P. R. China
| | - Francisco Aznarez
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai, 200438, P. R. China
| | - Shui-Ren Liu
- School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, 450001, P. R. China
| | - Dong-Sheng Li
- College of materials and Chemical Engineering, China Three Gorges University, Yichang, 443002, P. R. China
| | - Lu-Fang Ma
- College of Chemistry and Chemical Engineering, Luoyang Normal University, Henan Province Function-Oriented Porous Materials Key Laboratory, Luoyang, 471934, P. R. China
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5
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Neukirch L, Kulas MD, Holstein JJ, Clever GH. Non-Templated Assembly of D 5h-Symmetric Pd 5L 10 Rings by Precise Ligand Angle Adjustment. Chemistry 2024; 30:e202400132. [PMID: 38441728 DOI: 10.1002/chem.202400132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Indexed: 03/20/2024]
Abstract
We report a series of Pd(II)nL2n coordination rings for which nuclearity is controlled by the binding angle of the corresponding bis-monodentate bridging ligands. Judicious choice of the angle within a family of rather rigid ligands allowed for the first-time to synthesize a homoleptic five-membered Pd5L10 ring that does not require any template to form. We demonstrate that control over the ring size is maintained both in the solid-, solution-, and gas-phase. Two X-ray structures of five-membered rings from ligands with ideal angles (yielding a perfect pentagonal ring) vs. suboptimal angles (resulting in a highly distorted structure) illustrate the importance of the correct ligand geometry. A mathematical model for estimating the expected ring size based on the ligand angle was derived and DFT computations show that ring-strain is the major factor determining the assembly outcome.
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Affiliation(s)
- Laura Neukirch
- Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Straße 6, 44227, Dortmund, Germany
| | - Milan D Kulas
- Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Straße 6, 44227, Dortmund, Germany
| | - Julian J Holstein
- Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Straße 6, 44227, Dortmund, Germany
| | - Guido H Clever
- Department of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Straße 6, 44227, Dortmund, Germany
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6
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Séjourné S, Labrunie A, Dalinot C, Canevet D, Guechaichia R, Bou Zeid J, Benchohra A, Cauchy T, Brosseau A, Allain M, Chamignon C, Viger-Gravel J, Pintacuda G, Carré V, Aubriet F, Vanthuyne N, Sallé M, Goeb S. Chiral Truxene-Based Self-Assembled Cages: Triple Interlocking and Supramolecular Chirogenesis. Angew Chem Int Ed Engl 2024; 63:e202400961. [PMID: 38284742 DOI: 10.1002/anie.202400961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 01/27/2024] [Accepted: 01/29/2024] [Indexed: 01/30/2024]
Abstract
Incorporating chiral elements in host-guest systems currently attracts much attention because of the major impact such structures may have in a wide range of applications, from pharmaceuticals to materials science and beyond. Moreover, the development of multi-responsive and -functional systems is highly desirable since they offer numerous benefits. In this context, we describe herein the construction of a metal-driven self-assembled cage that associates a chiral truxene-based ligand and a bis-ruthenium complex. The maximum separation between both facing chiral units in the assembly is fixed by the intermetallic distance within the lateral bis-ruthenium complex (8.4 Å). The resulting chiral cavity was shown to encapsulate polyaromatic guest molecules, but also to afford a chiral triply interlocked [2]catenane structure. The formation of the latter occurs at high concentration, while its disassembly could be achieved by the addition of a planar achiral molecule. Interestingly the planar achiral molecule exhibits induced circular dichroism signature when trapped within the chiral cavity, thus demonstrating the ability of the cage to induce supramolecular chirogenesis.
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Affiliation(s)
- Simon Séjourné
- Univ Angers, CNRS, MOLTECH-ANJOU, F-49000, Angers, France
| | | | | | - David Canevet
- Univ Angers, CNRS, MOLTECH-ANJOU, F-49000, Angers, France
| | | | | | | | - Thomas Cauchy
- Univ Angers, CNRS, MOLTECH-ANJOU, F-49000, Angers, France
| | | | - Magali Allain
- Univ Angers, CNRS, MOLTECH-ANJOU, F-49000, Angers, France
| | - Cécile Chamignon
- Centre de RMN à Très Hauts Champs, Université de Lyon (UMR 5082 CNRS/Ecole Normale Supérieure/Université Claude Bernard Lyon 1), 69100, Villeurbanne, France
| | - Jasmine Viger-Gravel
- Centre de RMN à Très Hauts Champs, Université de Lyon (UMR 5082 CNRS/Ecole Normale Supérieure/Université Claude Bernard Lyon 1), 69100, Villeurbanne, France
| | - Guido Pintacuda
- Centre de RMN à Très Hauts Champs, Université de Lyon (UMR 5082 CNRS/Ecole Normale Supérieure/Université Claude Bernard Lyon 1), 69100, Villeurbanne, France
| | - Vincent Carré
- Université de Lorraine, LCP-A2MC, F-57000, Metz, France
| | | | - Nicolas Vanthuyne
- Aix Marseille Université, CNRS, FSCM, Chiropole, F-13397, Marseille, France
| | - Marc Sallé
- Univ Angers, CNRS, MOLTECH-ANJOU, F-49000, Angers, France
| | - Sébastien Goeb
- Univ Angers, CNRS, MOLTECH-ANJOU, F-49000, Angers, France
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7
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Li Y, Jiang H, Zhang W, Zhao X, Sun M, Cui Y, Liu Y. Hetero- and Homointerlocked Metal-Organic Cages. J Am Chem Soc 2024; 146:3147-3159. [PMID: 38279915 DOI: 10.1021/jacs.3c10734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2024]
Abstract
Interlocked molecular assemblies constitute a captivating ensemble of chemical topologies, comprising two or more separate components that exhibit remarkably intricate structures. The interlocked molecular assemblies are typically identical, and heterointerlocked systems that comprise structurally distinct assemblies remain unexplored. Here, we demonstrate that metal-templated synthesis can be exploited to afford not only a homointerlocked cage but also a heterointerlocked cage. Treatment of a carboxylated 2,9-dimethyl-1,10-phenanthroline (dmp) or Cu(I) bis-dmp linker with a Ni4-p-tert-butylsulfonylcalix[4]arene cluster affords noninterlocked octahedron and quadruply interlocked double cages consisting of two identical tetragonal pyramids, respectively. In contrast, when a mixture of dmp and Cu(I) bis-dmp linkers is used, a quadruply heterointerlocked cage is produced, consisting of a tetragonal pyramid and an octahedron. With photoredox-active [Cu(dmp)2]+ in the structures, both interlocked cages exhibit remarkable performance as photocatalysts for atom transfer radical addition (ATRA) reactions of trifluoromethanesulfonyl chloride with alkenes or oxo-azidations of vinyl arenes. These interlocked structures serve the dual purpose of stabilizing photocatalytically active components against deactivation and encapsulating substrates within the cavity, resulting in yields comparable to or even surpassing those of their molecular counterparts. This work thus provides a new strategy that combines metal templating and nontemplating approaches to design new types of interlocked assemblies with intriguing architectures and properties.
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Affiliation(s)
- Yingguo Li
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hong Jiang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Wenqiang Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiangxiang Zhao
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Meng Sun
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yong Cui
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yan Liu
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, China
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8
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Zhang YW, Lu Y, Sun LY, Dutschke PD, Gan MM, Zhang L, Hepp A, Han YF, Hahn FE. Unravelling the Roles of Solvophobic Effects and π⋅⋅⋅π Stacking Interactions in the Formation of [2]Catenanes Featuring Di-(N-Heterocyclic Carbene) Building Blocks. Angew Chem Int Ed Engl 2023; 62:e202312323. [PMID: 37819869 DOI: 10.1002/anie.202312323] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/11/2023] [Accepted: 10/11/2023] [Indexed: 10/13/2023]
Abstract
A series of [2]catenanes has been prepared from di-NHC building blocks by utilizing solvophobic effects and/or π⋅⋅⋅π stacking interactions. The dinickel naphthobiscarbene complex syn-[1] and the kinked biphenyl-bridged bipyridyl ligand L2 yield the [2]catenane [2-IL](OTf)4 by self-assembly. Solvophobic effects are pivotal for the formation of the interlocked species. Substitution of the biphenyl-linker in L2 for a pyromellitic diimide group gave ligand L3 , which yielded in combination with syn-[1] the [2]catenane [3-IL](OTf)4 . This assembly exhibits enhanced stability in diluted solution, aided by additional π⋅⋅⋅π stacking interactions. The π⋅⋅⋅π stacking was augmented by the introduction of a pyrene bridge between two NHC donors in ligand L4 . Di-NHC precursor H2 -L4 (PF6 )2 reacts with Ag2 O to give the [Ag2 L4 2 ]2 [2]catenane [4-IL](PF6 )4 , which shows strong π⋅⋅⋅π stacking interactions between the pyrene groups. This assembly was readily converted into the [Au2 L4 2 ]2 gold species [5-IL](PF6 )4 , which exhibits exceptional stability based on the strong π⋅⋅⋅π stacking interactions and the enhanced stability of the Au-CNHC bonds.
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Affiliation(s)
- Ya-Wen Zhang
- Xi'an Key Laboratory of Functional Supramolecular Structure and Materials, College of Chemistry and Material Science, Northwest University, Xi'an, 710127, P. R. China
| | - Ye Lu
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
- College of Chemistry and Materials Science, Shanghai Normal University, 100 Guilin Road, Shanghai, China, 200234
| | - Li-Ying Sun
- Xi'an Key Laboratory of Functional Supramolecular Structure and Materials, College of Chemistry and Material Science, Northwest University, Xi'an, 710127, P. R. China
| | - Patrick D Dutschke
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
| | - Ming-Ming Gan
- Xi'an Key Laboratory of Functional Supramolecular Structure and Materials, College of Chemistry and Material Science, Northwest University, Xi'an, 710127, P. R. China
| | - Le Zhang
- Xi'an Key Laboratory of Functional Supramolecular Structure and Materials, College of Chemistry and Material Science, Northwest University, Xi'an, 710127, P. R. China
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
| | - Ying-Feng Han
- Xi'an Key Laboratory of Functional Supramolecular Structure and Materials, College of Chemistry and Material Science, Northwest University, Xi'an, 710127, P. R. China
| | - F Ekkehardt Hahn
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
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9
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Yu HM, Du MH, Shu J, Deng YH, Xu ZM, Huang ZW, Zhang Z, Chen B, Braunstein P, Lang JP. Self-Assembly of Cluster-Mediated 3D Catenanes with Size-Specific Recognition Behavior. J Am Chem Soc 2023; 145:25103-25108. [PMID: 37938934 DOI: 10.1021/jacs.3c11398] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Although interlocked three-dimensional molecules display unique properties associated with their spatial structures, their synthesis and study of their host-guest properties remain challenging. We report the formation of a novel [2]catenane, [Et4N]@[(Tp*WS3Cu3Cl)2(cis-bpype)3]2(OTf)5 ([Et4N][1](OTf)5), by self-assembly of the cluster node [Tp*WS3Cu3Cl]+ and the organic linker (Z)-1,2-diphenyl-1,2-bis(4-(pyridin-4-yl)phenyl)ethene (cis-bpype). Single-crystal X-ray and NMR analyses established that [1]4+ is formed by the interpenetration of two cluster-organic cages. Unique cation-in-cation host-guest complexes were observed with this catenane. The crystalline, empty catenane was formed by taking advantage of the electrostatic repulsion-induced weak binding of the host. Encapsulation experiments also reveal that the empty catenane can adaptively encapsulate cations such as [Et4N]+ and [Pr4N]+ in the cross cavity but is unable to encapsulate [Bu4N]+ and [Me4N]+, although the size of the latter is compatible with that of the cavity. Theoretical calculations and volume analysis allow to unravel the ingenious role of catenane structures and the interplay between electrostatic repulsion and attractive noncovalent interactions for size-specific recognition behavior in host-guest systems involving species with similar electric charges.
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Affiliation(s)
- Hui-Min Yu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
| | - Ming-Hao Du
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
| | - Jie Shu
- Analysis and Testing Center, Suzhou 215123, Jiangsu, China
| | - Yun-Hu Deng
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
| | - Ze-Ming Xu
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
| | - Zhi-Wen Huang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
| | - Zheng Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
| | - Bingbing Chen
- Department of Energy Science and Engineering, Nanjing Tech University, Nanjing 210009, Jiangsu, China
| | - Pierre Braunstein
- Institut de Chimie (UMR 7177 CNRS), Université de Strasbourg, 67081 Strasbourg, France
| | - Jian-Ping Lang
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, Jiangsu, China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China
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10
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Tarzia A, Wolpert EH, Jelfs KE, Pavan GM. Systematic exploration of accessible topologies of cage molecules via minimalistic models. Chem Sci 2023; 14:12506-12517. [PMID: 38020374 PMCID: PMC10646940 DOI: 10.1039/d3sc03991a] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 10/11/2023] [Indexed: 12/01/2023] Open
Abstract
Cages are macrocyclic structures with an intrinsic internal cavity that support applications in separations, sensing and catalysis. These materials can be synthesised via self-assembly of organic or metal-organic building blocks. Their bottom-up synthesis and the diversity in building block chemistry allows for fine-tuning of their shape and properties towards a target property. However, it is not straightforward to predict the outcome of self-assembly, and, thus, the structures that are practically accessible during synthesis. Indeed, such a prediction becomes more difficult as problems related to the flexibility of the building blocks or increased combinatorics lead to a higher level of complexity and increased computational costs. Molecular models, and their coarse-graining into simplified representations, may be very useful to this end. Here, we develop a minimalistic toy model of cage-like molecules to explore the stable space of different cage topologies based on a few fundamental geometric building block parameters. Our results capture, despite the simplifications of the model, known geometrical design rules in synthetic cage molecules and uncover the role of building block coordination number and flexibility on the stability of cage topologies. This leads to a large-scale and systematic exploration of design principles, generating data that we expect could be analysed through expandable approaches towards the rational design of self-assembled porous architectures.
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Affiliation(s)
- Andrew Tarzia
- Department of Applied Science and Technology, Politecnico di Torino Corso Duca degli Abruzzi 24 10129 Torino Italy
| | - Emma H Wolpert
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus Wood Lane London W12 0BZ UK
| | - Kim E Jelfs
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London, White City Campus Wood Lane London W12 0BZ UK
| | - Giovanni M Pavan
- Department of Applied Science and Technology, Politecnico di Torino Corso Duca degli Abruzzi 24 10129 Torino Italy
- Department of Innovative Technologies, University of Applied Sciences and Arts of Southern Switzerland, Polo Universitario Lugano Campus Est, Via la Santa 1 6962 Lugano-Viganello Switzerland
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11
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Wagner P, Rominger F, Gross JH, Mastalerz M. Solvent-Controlled Quadruple Catenation of Giant Chiral [8+12] Salicylimine Cubes Driven by Weak Hydrogen Bonding. Angew Chem Int Ed Engl 2023; 62:e202217251. [PMID: 36695113 DOI: 10.1002/anie.202217251] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 01/19/2023] [Accepted: 01/24/2023] [Indexed: 01/26/2023]
Abstract
Mechanically interlocked structures are fascinating synthetic targets and the topological complexity achieved through catenation offers numerous possibilities for the construction of new molecules with exciting properties. In the structural space of catenated organic cage molecules, only few examples have been realized so far, and control over the catenation process in solution is still barely achieved. Herein, we describe the formation of a quadruply interlocked catenane of giant chiral [8+12] salicylimine cubes. The formation could be controlled by the choice of solvent used in the reaction. The interlocked structure was unambiguously characterized by single crystal X-ray diffraction and weak hydrogen bonding was identified as a central driving force for the catenation. Furthermore, scrambling experiments using partially deuterated cages were performed, revealing that the catenane formation occurs through mechanical interlocking of preformed single cages.
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Affiliation(s)
- Philippe Wagner
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Jürgen H Gross
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
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12
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Lu Y, Dutschke PD, Kinas J, Hepp A, Jin GX, Hahn FE. Organometallic Borromean Rings and [2]Catenanes Featuring Di-NHC Ligands. Angew Chem Int Ed Engl 2023; 62:e202217681. [PMID: 36629746 DOI: 10.1002/anie.202217681] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 12/27/2022] [Accepted: 01/11/2023] [Indexed: 01/12/2023]
Abstract
We report herein a series of organometallic Borromean rings (BRs) and [2]catenanes prepared from benzobiscarbene ligands. The reaction of dinickel complexes of the benzobiscarbenes 1 a-1 c with a thiazolothiazole bridged bipyridyl ligand L2 led by self-assembly to a series of organometallic BRs. Solvophobic effects played a crucial role in the formation and stability of the interlocked species. The stability of BRs is related to the N-alkyl substituents at the precursors 1 a-1 c, where longer alkyl substitutes improve stability and inter-ring interactions. Solvophobic effects are also important for the stability of [2]catenanes prepared from 1 a-1 c and a flexible bipyridyl ligand L3 . In solution, an equilibrium between the [2]catenanes and their macrocyclic building blocks was observed. High proportions of [2]catenanes were obtained in concentrated solutions or polar solvents. The proportion of [2]catenanes in solution could be further enhanced by lengthening of the N-alkyl substitutes.
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Affiliation(s)
- Ye Lu
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
| | - Patrick D Dutschke
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
| | - Jenny Kinas
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
| | - Alexander Hepp
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
| | - 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, P. R. China
| | - F Ekkehardt Hahn
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149, Münster, Germany
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13
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Benke BP, Kirschbaum T, Graf J, Gross JH, Mastalerz M. Dimeric and trimeric catenation of giant chiral [8 + 12] imine cubes driven by weak supramolecular interactions. Nat Chem 2023; 15:413-423. [PMID: 36456691 PMCID: PMC9986109 DOI: 10.1038/s41557-022-01094-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Accepted: 10/18/2022] [Indexed: 12/05/2022]
Abstract
Mechanically interlocked structures, such as catenanes and rotaxanes, are fascinating synthetic targets and some are used for molecular switches and machines. Today, the vast majority of catenated structures are built upon macrocycles and only a very few examples of three-dimensional shape-persistent organic cages forming such structures have been reported. However, the catenation in all these cases was based on a thermodynamically favoured π-π-stacking under certain reaction conditions. Here, we show that catenane formation can be induced by adding methoxy or thiomethyl groups to one of the precursors during the synthesis of chiral [8 + 12] imine cubes, giving dimeric and trimeric catenated organic cages. To elucidate the underlying driving forces, we reacted 11 differently 1,4-disubstituted terephthaldehydes with a chiral triamino tribenzotriquinacene under various conditions to study whether monomeric cages or catenated cage dimers are the preferred products. We find that catenation is mainly directed by weak interactions derived from the substituents rather than by π-stacking.
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Affiliation(s)
- Bahiru Punja Benke
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
| | - Tobias Kirschbaum
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
| | - Jürgen Graf
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
| | - Jürgen H Gross
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
| | - Michael Mastalerz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
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14
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Bloch WM, Horiuchi S, Holstein JJ, Drechsler C, Wuttke A, Hiller W, Mata RA, Clever GH. Maximized axial helicity in a Pd 2L 4 cage: inverse guest size-dependent compression and mesocate isomerism. Chem Sci 2023; 14:1524-1531. [PMID: 36794203 PMCID: PMC9906678 DOI: 10.1039/d2sc06629g] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 01/12/2023] [Indexed: 01/21/2023] Open
Abstract
Helicity is an archetypal structural motif of many biological systems and provides a basis for molecular recognition in DNA. Whilst artificial supramolecular hosts are often helical, the relationship between helicity and guest encapsulation is not well understood. We report a detailed study on a significantly coiled-up Pd2L4 metallohelicate with an unusually wide azimuthal angle (∼176°). Through a combination of NMR spectroscopy, single-crystal X-ray diffraction, trapped ion mobility mass spectrometry and isothermal titration calorimetry we show that the coiled-up cage exhibits extremely tight anion binding (K of up to 106 M-1) by virtue of a pronounced oblate/prolate cavity expansion, whereby the Pd-Pd separation decreases for mono-anionic guests of increasing size. Electronic structure calculations point toward strong dispersion forces contributing to these host-guest interactions. In the absence of a suitable guest, the helical cage exists in equilibrium with a well-defined mesocate isomer that possesses a distinct cavity environment afforded by a doubled Pd-Pd separation distance.
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Affiliation(s)
- Witold M. Bloch
- Department of Chemistry and Chemical Biology, TU Dortmund UniversityOtto-Hahn-Straße 644227 DortmundGermany,Institute for Nanoscale Science and Technology, College of Science and Engineering, Flinders UniversityAdelaideSouth Australia 5042Australia
| | - Shinnosuke Horiuchi
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany .,Division of Chemistry and Materials Science, Graduate School of Engineering, Nagasaki University Bunkyo-machi Nagasaki 852-8521 Japan
| | - Julian J. Holstein
- Department of Chemistry and Chemical Biology, TU Dortmund UniversityOtto-Hahn-Straße 644227 DortmundGermany
| | - Christoph Drechsler
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
| | - Axel Wuttke
- Institute of Physical Chemistry, Georg-August University GöttingenTammannstraße 637077 GöttingenGermany
| | - Wolf Hiller
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
| | - Ricardo A. Mata
- Institute of Physical Chemistry, Georg-August University GöttingenTammannstraße 637077 GöttingenGermany
| | - Guido H. Clever
- Department of Chemistry and Chemical Biology, TU Dortmund UniversityOtto-Hahn-Straße 644227 DortmundGermany
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15
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O'Keeffe M, Treacy MMJ. Piecewise-linear embeddings of decussate extended θ graphs and tetrahedra. Acta Crystallogr A Found Adv 2022; 78:498-506. [DOI: 10.1107/s2053273322008750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/31/2022] [Indexed: 11/15/2022] Open
Abstract
An nθ graph is an n-valent graph with two vertices. From symmetry considerations, it has vertex–edge transitivity 1 1. Here, they are considered extended with divalent vertices added to the edges to explore the simplest piecewise-linear tangled embeddings with straight, non-intersecting edges (sticks). The simplest tangles found are those with 3n sticks, transitivity 2 2, and with 2⌊(n − 1)/2⌋ ambient-anisotopic tangles. The simplest finite and 1-, 2- and 3-periodic decussate structures (links and tangles) are described. These include finite cubic and icosahedral and 1- and 3-periodic links, all with minimal transitivity. The paper also presents the simplest tangles of extended tetrahedra and their linkages to form periodic polycatenanes. A vertex- and edge-transitive embedding of a tangled srs net with tangled and polycatenated θ graphs and vertex-transitive tangled diamond (dia) nets are described.
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16
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Li RJ, Tarzia A, Posligua V, Jelfs KE, Sanchez N, Marcus A, Baksi A, Clever GH, Fadaei-Tirani F, Severin K. Orientational self-sorting in cuboctahedral Pd cages. Chem Sci 2022; 13:11912-11917. [PMID: 36320919 PMCID: PMC9580501 DOI: 10.1039/d2sc03856k] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/29/2022] [Indexed: 12/01/2023] Open
Abstract
Cuboctahedral coordination cages of the general formula [Pd12L24]24+ (L = low-symmetry ligand) were analyzed theoretically and experimentally. With 350 696 potential isomers, the structural space of these assemblies is vast. Orientational self-sorting refers to the preferential formation of particular isomers within the pool of potential structures. Geometric and computational analyses predict the preferred formation of cages with a cis arrangement at the metal centers. This prediction was corroborated experimentally by synthesizing a [Pd12L24]24+ cage with a bridging 3-(4-(pyridin-4-yl)phenyl)pyridine ligand. A crystallographic analysis of this assembly showed exclusive cis coordination of the 3- and the 4-pyridyl donor groups at the Pd2+ ions.
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Affiliation(s)
- Ru-Jin Li
- Institut of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL) Lausanne 1015 Switzerland
| | - Andrew Tarzia
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
| | - Victor Posligua
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
| | - Kim E Jelfs
- Department of Chemistry, Molecular Sciences Research Hub, Imperial College London White City Campus, 82 Wood Lane London W12 0BZ UK
| | | | - Adam Marcus
- Institut of Mathematics, EPFL Lausanne 1015 Switzerland
| | - Ananya Baksi
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Universität Dortmund Dortmund 44227 Germany
| | - Guido H Clever
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, Universität Dortmund Dortmund 44227 Germany
| | - Farzaneh Fadaei-Tirani
- Institut of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL) Lausanne 1015 Switzerland
| | - Kay Severin
- Institut of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL) Lausanne 1015 Switzerland
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17
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Virus-like Cage Hybrid: Covalent Organic Cages Attached to Metal Organic Cage. CHEMISTRY 2022. [DOI: 10.3390/chemistry4030062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
A well-defined virus-like cage hybrid (VCH) with 24 covalent organic cages (COCs) attached to one metal organic cage (MOC) is presented here. The quantitative assembly of VCH was completed through coordination between soluble anisotropic COC bearing one bipyridine moiety and Pd(II) ions. The obtained VCH exhibited discrete, uniform and stable structures with good solubility and was well characterized by NMR, FT-IR, TEM, AFM, DLS, TGA, and so on. This designable cage hybrid promotes a new strategy to expand the structural and functional complexities of porous molecular cages.
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18
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Benchimol E, Nguyen BNT, Ronson TK, Nitschke JR. Transformation networks of metal-organic cages controlled by chemical stimuli. Chem Soc Rev 2022; 51:5101-5135. [PMID: 35661155 PMCID: PMC9207707 DOI: 10.1039/d0cs00801j] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Indexed: 12/29/2022]
Abstract
The flexibility of biomolecules enables them to adapt and transform as a result of signals received from the external environment, expressing different functions in different contexts. In similar fashion, coordination cages can undergo stimuli-triggered transformations owing to the dynamic nature of the metal-ligand bonds that hold them together. Different types of stimuli can trigger dynamic reconfiguration of these metal-organic assemblies, to switch on or off desired functionalities. Such adaptable systems are of interest for applications in switchable catalysis, selective molecular recognition or as transformable materials. This review highlights recent advances in the transformation of cages using chemical stimuli, providing a catalogue of reported strategies to transform cages and thus allow the creation of new architectures. Firstly we focus on strategies for transformation through the introduction of new cage components, which trigger reconstitution of the initial set of components. Secondly we summarize conversions triggered by external stimuli such as guests, concentration, solvent or pH, highlighting the adaptation processes that coordination cages can undergo. Finally, systems capable of responding to multiple stimuli are described. Such systems constitute composite chemical networks with the potential for more complex behaviour. We aim to offer new perspectives on how to design transformation networks, in order to shed light on signal-driven transformation processes that lead to the preparation of new functional metal-organic architectures.
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Affiliation(s)
- Elie Benchimol
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - Bao-Nguyen T Nguyen
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - Tanya K Ronson
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
| | - Jonathan R Nitschke
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK.
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19
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McTernan CT, Davies JA, Nitschke JR. Beyond Platonic: How to Build Metal-Organic Polyhedra Capable of Binding Low-Symmetry, Information-Rich Molecular Cargoes. Chem Rev 2022; 122:10393-10437. [PMID: 35436092 PMCID: PMC9185692 DOI: 10.1021/acs.chemrev.1c00763] [Citation(s) in RCA: 64] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
![]()
The
field of metallosupramolecular chemistry has advanced rapidly
in recent years. Much work in this area has focused on the formation
of hollow self-assembled metal-organic architectures and exploration
of the applications of their confined nanospaces. These discrete,
soluble structures incorporate metal ions as ‘glue’
to link organic ligands together into polyhedra.Most of the architectures
employed thus far have been highly symmetrical, as these have been
the easiest to prepare. Such high-symmetry structures contain pseudospherical
cavities, and so typically bind roughly spherical guests. Biomolecules
and high-value synthetic compounds are rarely isotropic, highly-symmetrical
species. To bind, sense, separate, and transform such substrates,
new, lower-symmetry, metal-organic cages are needed. Herein we summarize
recent approaches, which taken together form the first draft of a
handbook for the design of higher-complexity, lower-symmetry, self-assembled
metal-organic architectures.
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Affiliation(s)
- Charlie T McTernan
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Jack A Davies
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Jonathan R Nitschke
- Yusuf Hamied Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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20
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Yu C, Yang P, Zhu X, Wang Y. Planet-satellite cage hybrids: covalent organic cages encircling metal organic cage. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1211-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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21
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Kennedy ADW, DiNardi RG, Fillbrook LL, Donald WA, Beves JE. Visible-Light Switching of Metallosupramolecular Assemblies. Chemistry 2022; 28:e202104461. [PMID: 35102616 PMCID: PMC9302685 DOI: 10.1002/chem.202104461] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Indexed: 11/11/2022]
Abstract
A photoswitchable ligand and palladium(II) ions form a dynamic mixture of self-assembled metallosupramolecular structures. The photoswitching ligand is an ortho-fluoroazobenzene with appended pyridyl groups. Combining the E-isomer with palladium(II) salts affords a double-walled triangle with composition [Pd3 L6 ]6+ and a distorted tetrahedron [Pd4 L8 ]8+ (1 : 2 ratio at 298 K). Irradiation with 410 nm light generates a photostationary state with approximately 80 % of the E-isomer of the ligand and results in the selective disassembly of the tetrahedron, the more thermodynamically stable structure, and the formation of the triangle, the more kinetically inert product. The triangle is then slowly transformed back into the tetrahedron over 2 days at 333 K. The Z-isomer of the ligand does not form any well-defined structures and has a thermal half-life of 25 days at 298 K. This approach shows how a thermodynamically preferred self-assembled structure can be reversibly pumped to a kinetic trap by small perturbations of the isomer distribution using non-destructive visible light.
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Affiliation(s)
| | - Ray G. DiNardi
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
| | - Lucy L. Fillbrook
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
| | - William A. Donald
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
| | - Jonathon E. Beves
- School of ChemistryThe University of New South WalesSydneyNSW 2052Australia
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22
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Designing of three mixed ligand MOFs in searching of length induced flexibility in ligand for the creation of interpenetration. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.115763] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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23
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Ganta S, Drechsler C, Chen Y, Clever GH. Nonaqueous Emulsion Polycondensation Enabled by a Self‐Assembled Cage‐like Surfactant. Chemistry 2022; 28:e202104228. [PMID: 35018672 PMCID: PMC9303455 DOI: 10.1002/chem.202104228] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 11/30/2022]
Abstract
Nonaqueous emulsions are crucial for a range of applications based on water‐sensitive systems such as controlled polymerizations requiring anhydrous reaction conditions and the stabilization of readily hydrolyzable reagents or pharmacologically active components. However, defined molecular surfactants to stabilize such nonaqueous emulsions are scarce. We introduce a self‐assembled coordination cage, decorated with cholesterol functionalities, to serve as a molecular surfactant for various oil‐in‐oil emulsions of immiscible organic solvents. While the positively charged cage forms the amphiphile's polar moiety, the non‐polar cholesterol appendices can bend in a common direction to stabilize the emulsion. Templated by the droplets, polycondensation reactions were carried out to produce microstructured polyurethane and polyurea materials of different particle sizes and morphologies. Further, the amphiphilic cage can encapsulate a guest molecule and the resulting host‐guest assembly was also examined as a surfactant. In addition, the aggregation behavior of the amphiphilic cage in an aqueous medium was examined.
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Affiliation(s)
- Sudhakar Ganta
- Department of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Straße 6 44227 Dortmund Germany
| | - Christoph Drechsler
- Department of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Straße 6 44227 Dortmund Germany
| | - Yen‐Ting Chen
- Center of Molecular Spectroscopy and Simulation of Solvent-driven Processes (ZEMOS) Ruhr-University Bochum 44801 Bochum Germany
| | - Guido H. Clever
- Department of Chemistry and Chemical Biology TU Dortmund University Otto-Hahn Straße 6 44227 Dortmund Germany
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24
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Cui Z, Gao X, Lin YJ, Jin GX. Stereoselective Self-Assembly of Complex Chiral Radial [5]Catenanes Using Half-Sandwich Rhodium/Iridium Building Blocks. J Am Chem Soc 2022; 144:2379-2386. [PMID: 35080385 DOI: 10.1021/jacs.1c13168] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Herein, we have successfully achieved the stereoselective synthesis of two chiral radial [5]catenanes in a single step through the self-assembly of bidentate ligands containing l-alanine residues and binuclear half-sandwich organometallic rhodium(III)/iridium(III) clips. Remarkably, these two chiral radial [5]catenanes exhibit complex stereochemical structures as revealed by single-crystal X-ray diffraction. The eight binuclear units and eight bidentate ligands in their solid-state structures all exhibit a single planar chirality, and the interlocking between molecular macrocycles exhibits a single co-conformational mechanical helical chirality. This indicates that the introduction of the point chirality in the ligands enables the efficient stereoselective construction of mechanically interlocked molecules. Furthermore, by using ligands containing d-alanine residues, radial [5]catenanes with the opposite planar chirality and opposite co-conformational mechanical helical chirality have also been obtained.
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Affiliation(s)
- Zheng Cui
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Xiang Gao
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Yue-Jian Lin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
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25
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Wang D, Zhang L, Zhao Y. Template-Free Synthesis of an Interlocked Covalent Organic Molecular Cage. J Org Chem 2022; 87:2767-2772. [DOI: 10.1021/acs.joc.1c02688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Danbo Wang
- College of Polymer Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, 266000 Qingdao, China
| | - Lin Zhang
- College of Polymer Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, 266000 Qingdao, China
| | - Yingjie Zhao
- College of Polymer Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, 266000 Qingdao, China
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26
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Wilson BH, Ward JS, Young DC, Liu J, Mathonière C, Clérac R, Kruger PE. Self‐Assembly Synthesis of a [2]Catenane Co
II
Single‐Molecule Magnet. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202113837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Benjamin H. Wilson
- MacDiarmid Institute for Advanced Materials and Nanotechnology School of Physical and Chemical Sciences University of Canterbury Private Bag 4800 Christchurch 8041 New Zealand
- Current address Bernal Institute University of Limerick Limerick V94 T9PX Ireland
| | - Jas S. Ward
- MacDiarmid Institute for Advanced Materials and Nanotechnology School of Physical and Chemical Sciences University of Canterbury Private Bag 4800 Christchurch 8041 New Zealand
| | - David C. Young
- MacDiarmid Institute for Advanced Materials and Nanotechnology School of Physical and Chemical Sciences University of Canterbury Private Bag 4800 Christchurch 8041 New Zealand
| | - Jun‐Liang Liu
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031 33600 Pessac France
| | - Corine Mathonière
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031 33600 Pessac France
| | - Rodolphe Clérac
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031 33600 Pessac France
| | - Paul E. Kruger
- MacDiarmid Institute for Advanced Materials and Nanotechnology School of Physical and Chemical Sciences University of Canterbury Private Bag 4800 Christchurch 8041 New Zealand
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27
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Lewis JEM. Molecular engineering of confined space in metal–organic cages. Chem Commun (Camb) 2022; 58:13873-13886. [DOI: 10.1039/d2cc05560k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
The host–guest chemistry of metal–organic cages can be modified through tailoring of structural aspects such as size, shape and functionality. In this review, strategies, opportunities and challenges of such molecular engineering are discussed.
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Affiliation(s)
- James E. M. Lewis
- School of Chemistry, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
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28
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Martí-Rujas J, Elli S, Sacchetti A, Castiglione F. Mechanochemical synthesis of mechanical bonds in M12L8 poly-[ n]-catenanes. Dalton Trans 2021; 51:53-58. [PMID: 34889335 DOI: 10.1039/d1dt03158a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Using mechanochemistry by grinding TPB and ZnBr2, an amorphous poly-[n]-catenane of interlocked M12L8 nanocages is obtained in good yields (∼80%) and within 15 minutes. The mechanical bond among the icosahedral M12L8 cages in the amorphous phase has been demonstrated by single crystal XRD, powder XRD and FT-IR spectroscopy following an amorphous-to-crystalline transformation by guest uptake of the amorphous phase. High-resolution solid-state 13C NMR spectroscopy gives insights into the local structure of the amorphous catenane focusing on TPB aromatic-aromatic interactions.
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Affiliation(s)
- Javier Martí-Rujas
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milan, Italy. .,Center for Nano Science and Technology@Polimi, Istituto Italiano di Tecnologia, Via Pascoli 70/3, 20133 Milano, Italy
| | - Stefano Elli
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milan, Italy.
| | - Alessandro Sacchetti
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milan, Italy.
| | - Franca Castiglione
- Department of Chemistry, Materials and Chemical Engineering "Giulio Natta", Politecnico di Milano, Piazza L. da Vinci 32, 20133 Milan, Italy.
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29
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Herasymchuk K, Allain M, MacNeil GA, Carré V, Aubriet F, Leznoff DB, Sallé M, Goeb S, Storr T. Exciton Coupling in Redox-Active Salen based Self-Assembled Metallacycles. Chemistry 2021; 27:16161-16172. [PMID: 34595790 DOI: 10.1002/chem.202102745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Indexed: 11/09/2022]
Abstract
The incorporation of a redox-active nickel salen complex into supramolecular structures was explored via coordination-driven self-assembly with homobimetallic ruthenium complexes (bridged by oxalato or 5,8-dihydroxy-1,4-naphthoquinato ligands). The self-assembly resulted in the formation of a discrete rectangle using the oxalato complex and either a rectangle or a catenane employing the larger naphthoquinonato complex. The formation of the interlocked self-assembly was determined to be solvent and concentration dependent. The electronic structure and stability of the oxidized metallacycles was probed using electrochemical experiments, UV-Vis-NIR absorption, EPR spectroscopy and DFT calculations, confirming ligand radical formation. Exciton coupling of the intense near-infrared (NIR) ligand radical intervalence charge transfer (IVCT) bands provided further confirmation of the geometric and electronic structures in solution.
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Affiliation(s)
| | - Magali Allain
- Univ Angers, CNRS, MOLTECH-ANJOU, 2 bd Lavoisier, 49000, Angers, France) E-mails: E-mails
| | - Gregory A MacNeil
- Department of Chemistry, Simon Fraser University, Burnaby, V5A 1S6, Canada
| | - Vincent Carré
- LCP-A2MC, FR 3624, Université de Lorraine, ICPM, 1 Bd Arago, 57078, Metz Cedex 03, France
| | - Frédéric Aubriet
- LCP-A2MC, FR 3624, Université de Lorraine, ICPM, 1 Bd Arago, 57078, Metz Cedex 03, France
| | - Daniel B Leznoff
- Department of Chemistry, Simon Fraser University, Burnaby, V5A 1S6, Canada
| | - Marc Sallé
- Univ Angers, CNRS, MOLTECH-ANJOU, 2 bd Lavoisier, 49000, Angers, France) E-mails: E-mails
| | - Sébastien Goeb
- Univ Angers, CNRS, MOLTECH-ANJOU, 2 bd Lavoisier, 49000, Angers, France) E-mails: E-mails
| | - Tim Storr
- Department of Chemistry, Simon Fraser University, Burnaby, V5A 1S6, Canada
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30
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Dekhtiarenko M, Pascal S, Elhabiri M, Mazan V, Canevet D, Allain M, Carré V, Aubriet F, Voitenko Z, Sallé M, Siri O, Goeb S. Reversible pH-Controlled Catenation of a Benzobisimidazole-Based Tetranuclear Rectangle. Chemistry 2021; 27:15922-15927. [PMID: 34478209 DOI: 10.1002/chem.202103039] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Indexed: 11/09/2022]
Abstract
The development of methodologies to control on demand and reversibly supramolecular transformations from self-assembled metalla-structures requires the rational design of architectures able to answer to an applied stimulus. While solvent or concentration changes, light exposure or addition of a chemical have been largely explored to provide these transformations, the case of pH sensitive materials is less described. Herein, we report the first example of a pH-triggered dissociation of a coordination-driven self-assembled interlocked molecular link. It incorporates a pH sensitive benzobisimidazole-based ligand that can be selectively protonated on its bisimidazole moieties. This generates intermolecular electrostatic repulsions that reduces drastically the stability of the interlocked structure, leading to its dissociation without any sign of protonation of the pyridine moieties involved in the coordination bonds. Importantly, the dissociation process is reversible through addition of a base.
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Affiliation(s)
- Maksym Dekhtiarenko
- Univ Angers, CNRS, MOLTECH-Anjou, 2 bd Lavoisier, 49045, Angers, France.,Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska st., Kyiv, 01033, Ukraine
| | - Simon Pascal
- Aix Marseille Univ, CNRS UMR 7325, Centre Interdisciplinaire de Nanoscience de Marseille (CINaM), Campus de Luminy, 13288, Marseille cedex 09, France
| | - Mourad Elhabiri
- Université de Strasbourg, Université de Haute-Alsace, CNRS, LIMA, UMR 7042, Equipe Chimie Bioorganique et Médicinale, ECPM, 25 Rue Becquerel, 67000, Strasbourg, France
| | - Valerie Mazan
- Université de Strasbourg, Université de Haute-Alsace, CNRS, LIMA, UMR 7042, Equipe Chimie Bioorganique et Médicinale, ECPM, 25 Rue Becquerel, 67000, Strasbourg, France
| | - David Canevet
- Univ Angers, CNRS, MOLTECH-Anjou, 2 bd Lavoisier, 49045, Angers, France
| | - Magali Allain
- Univ Angers, CNRS, MOLTECH-Anjou, 2 bd Lavoisier, 49045, Angers, France
| | - Vincent Carré
- LCP-A2MC, FR 3624, Université de Lorraine, ICPM, 1 Bd Arago, 57078, Metz Cedex 03, France
| | - Frédéric Aubriet
- LCP-A2MC, FR 3624, Université de Lorraine, ICPM, 1 Bd Arago, 57078, Metz Cedex 03, France
| | - Zoia Voitenko
- Taras Shevchenko National University of Kyiv, 64/13 Volodymyrska st., Kyiv, 01033, Ukraine
| | - Marc Sallé
- Univ Angers, CNRS, MOLTECH-Anjou, 2 bd Lavoisier, 49045, Angers, France
| | - Olivier Siri
- Aix Marseille Univ, CNRS UMR 7325, Centre Interdisciplinaire de Nanoscience de Marseille (CINaM), Campus de Luminy, 13288, Marseille cedex 09, France
| | - Sébastien Goeb
- Univ Angers, CNRS, MOLTECH-Anjou, 2 bd Lavoisier, 49045, Angers, France
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31
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Wilson BH, Ward JS, Young DC, Liu JL, Mathonière C, Clérac R, Kruger PE. Self-Assembly Synthesis of a [2]Catenane Co II Single-Molecule Magnet. Angew Chem Int Ed Engl 2021; 61:e202113837. [PMID: 34780082 DOI: 10.1002/anie.202113837] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Indexed: 11/10/2022]
Abstract
We describe herein the self-assembly synthesis of an octanuclear CoII [2]catenane {[Co4 (H2 L)6 ]2 16+ } formed by the mechanical interlocking of two {[Co4 (H2 L)6 ]8+ } rectangles of unprecedented topology. Subtle manipulation of the synthetic conditions allows the isolation of a mixed-valence [Co2 III /Co2 II ]10+ non-catenated rectangle. The CoII centers in the [2]catenane exhibit slow relaxation of their magnetic moment, i. e. single-molecule magnet properties, dominated by quantum tunneling and Raman relaxation processes. This work shows that metallo-supramolecular chemistry can precisely control the organization of single-molecule magnets in topologically complex arrangements.
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Affiliation(s)
- Benjamin H Wilson
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8041, New Zealand.,Bernal Institute, University of Limerick, Limerick, V94 T9PX, Ireland
| | - Jas S Ward
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8041, New Zealand
| | - David C Young
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8041, New Zealand
| | - Jun-Liang Liu
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031, 33600, Pessac, France
| | - Corine Mathonière
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031, 33600, Pessac, France
| | - Rodolphe Clérac
- Univ. Bordeaux, CNRS, Centre de Recherche Paul Pascal, UMR 5031, 33600, Pessac, France
| | - Paul E Kruger
- MacDiarmid Institute for Advanced Materials and Nanotechnology, School of Physical and Chemical Sciences, University of Canterbury, Private Bag 4800, Christchurch, 8041, New Zealand
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32
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Virovets AV, Peresypkina E, Scheer M. Structural Chemistry of Giant Metal Based Supramolecules. Chem Rev 2021; 121:14485-14554. [PMID: 34705437 DOI: 10.1021/acs.chemrev.1c00503] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The review presents a bird-eye view on the state of research in the field of giant nonbiological discrete metal complexes and ions of nanometer size, which are structurally characterized by means of single-crystal X-ray diffraction, using the crystal structure as a common key feature. The discussion is focused on the main structural features of the metal clusters, the clusters containing compact metal oxide/hydroxide/chalcogenide core, ligand-based metal-organic cages, and supramolecules as well as on the aspects related to the packing of the molecules or ions in the crystal and the methodological aspects of the single-crystal neutron and X-ray diffraction of these compounds.
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Affiliation(s)
- Alexander V Virovets
- Institute of Inorganic Chemistry, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany
| | - Eugenia Peresypkina
- Institute of Inorganic Chemistry, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany
| | - Manfred Scheer
- Institute of Inorganic Chemistry, University of Regensburg, Universitaetsstr. 31, 93053 Regensburg, Germany
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33
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Lu Y, Liu D, Lin YJ, Li ZH, Hahn FE, Jin GX. An "All-in-One" Synthetic Strategy for Linear Metalla[4]Catenanes. J Am Chem Soc 2021; 143:12404-12411. [PMID: 34337934 DOI: 10.1021/jacs.1c06689] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
One fascinating and challenging synthetic target in the field of mechanically interlocked molecules is the family of linear [4]catenanes, which are topologically identical to the logo of automobile maker Audi. Herein, we report an "all-in-one" synthetic strategy for the synthesis of linear metalla[n]catenanes (n = 2-4) by the coordination-driven self-assembly of Cp*Rh-based (Cp* = η5-pentamethylcyclopentadienyl) organometallic rectangle π-donors and tetracationic organic cyclophane π-acceptors. We selected the pyrenyl group as the π-donor unit, leading to homogeneous metalla[2]catenanes and cyclic metalla[3]catenanes via π-stacking interactions. By taking advantage of the strong electrostatic interactions between π-donor units and π-acceptor units, a heterogeneous metalla[2]catenanes and linear metalla[3]catenanes, respectively, could be obtained by the simple stirring of homogeneous metalla[2]catenanes with a suitable tetracationic cyclophane. On this basis, this "all-in-one" synthetic strategy was further used to realize a quantitative one-step synthesis of a linear metalla[4]catenanes via the self-assembly of cyclic metalla[3]catenanes and tetracationic cyclophanes. All heterogeneous metalla[n]catenanes (n = 2-4) were fully characterized by single-crystal X-ray analysis, NMR spectroscopy and electrospray ionization mass spectrometry.
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Affiliation(s)
- Ye Lu
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 2005 Songhu road, Shanghai 200438, P. R. China.,Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, Münster 48149, Germany
| | - Dong Liu
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 2005 Songhu road, Shanghai 200438, P. R. China
| | - Yue-Jian Lin
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 2005 Songhu road, Shanghai 200438, P. R. China
| | - Zhen-Hua Li
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 2005 Songhu road, Shanghai 200438, P. R. China
| | - F Ekkehardt Hahn
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, Münster 48149, Germany
| | - Guo-Xin Jin
- Department of Chemistry, State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, 2005 Songhu road, Shanghai 200438, P. R. China
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34
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Hierarchical communication of chirality for aromatic oligoamide sequences. Nat Commun 2021; 12:2659. [PMID: 33976219 PMCID: PMC8113567 DOI: 10.1038/s41467-021-22984-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 04/07/2021] [Indexed: 11/24/2022] Open
Abstract
The communication of chirality at a molecular and supramolecular level is the fundamental feature capable of transmitting and amplifying chirality information. Yet, the limitation of one-step communication mode in many artificial systems has precluded the ability of further processing the chirality information. Here, we report the chirality communication of aromatic oligoamide sequences within the interpenetrated helicate architecture in a hierarchical manner, specifically, the communication is manipulated by three sequential steps: (i) coordination, (ii) concentration, and (iii) ion stimulus. Such approach enables the information to be implemented progressively and reversibly to different levels. Furthermore, the chiral information on the side chains can be accumulated and transferred to the helical backbones of the sequences, resulting in that one of ten possible diastereoisomers of the interpenetrated helicate is finally selected. The circular dichroism experiments with a mixture of chiral and achiral ligands demonstrate a cooperative behavior of these communications, leading to amplification of chiral information. Communication of chirality at a molecular level is the fundamental for transmitting chirality information but one-step communication modes in many artificial systems limits further processing the chirality information. Here, the authors report chirality communication of aromatic oligoamide sequences within interpenetrated helicate architecture in a hierarchical manner.
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35
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Pullen S, Tessarolo J, Clever GH. Increasing structural and functional complexity in self-assembled coordination cages. Chem Sci 2021; 12:7269-7293. [PMID: 34163819 PMCID: PMC8171321 DOI: 10.1039/d1sc01226f] [Citation(s) in RCA: 148] [Impact Index Per Article: 49.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 04/26/2021] [Indexed: 12/18/2022] Open
Abstract
Progress in metallo-supramolecular chemistry creates potential to synthesize functional nano systems and intelligent materials of increasing complexity. In the past four decades, metal-mediated self-assembly has produced a wide range of structural motifs such as helicates, grids, links, knots, spheres and cages, with particularly the latter ones catching growing attention, owing to their nano-scale cavities. Assemblies serving as hosts allow application as selective receptors, confined reaction environments and more. Recently, the field has made big steps forward by implementing dedicated functionality, e.g. catalytic centres or photoswitches to allow stimuli control. Besides incorporation in homoleptic systems, composed of one type of ligand, desire arose to include more than one function within the same assembly. Inspiration comes from natural enzymes that congregate, for example, a substrate recognition site, an allosteric regulator element and a reaction centre. Combining several functionalities without creating statistical mixtures, however, requires a toolbox of sophisticated assembly strategies. This review showcases the implementation of function into self-assembled cages and devises strategies to selectively form heteroleptic structures. We discuss first examples resulting from a combination of both principles, namely multicomponent multifunctional host-guest complexes, and their potential in application in areas such as sensing, catalysis, and photo-redox systems.
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Affiliation(s)
- Sonja Pullen
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
- Homogeneous, Supramolecular and Bio-Inspired Catalysis, Van't Hoff Institute for Molecular Sciences, University of Amsterdam Science Park 904 1098 XH Amsterdam The Netherlands
| | - Jacopo Tessarolo
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
| | - Guido H Clever
- Department of Chemistry and Chemical Biology, TU Dortmund University Otto-Hahn-Straße 6 44227 Dortmund Germany
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36
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Tessarolo J, Lee H, Sakuda E, Umakoshi K, Clever GH. Integrative Assembly of Heteroleptic Tetrahedra Controlled by Backbone Steric Bulk. J Am Chem Soc 2021; 143:6339-6344. [PMID: 33900773 PMCID: PMC8154538 DOI: 10.1021/jacs.1c01931] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Indexed: 12/20/2022]
Abstract
A bent fluorenone-based dipyridyl ligand LA reacts with PdII cations to a solvent-dependent dynamic library of [PdnL2n] assemblies, constituted by a [Pd3LA6] ring and a [Pd4LA8] tetrahedron as major components, and a [Pd6LA12] octahedron as minor component. Introduction of backbone steric hindrance in ligand LB allows exclusive formation of the [Pd6LB12] octahedron. Combining equimolar amounts of both ligands results in integrative self-sorting to give an unprecedented [Pd4LA4LB4] heteroleptic tetrahedron. Key to the non-statistical assembly outcome is exploiting the structural peculiarity of the [Pd4L8] tetrahedral topology, where the four lean ligands occupy two doubly bridged edges and the bulky ligands span the four remaining, singly bridged edges. Hence, the system finds a compromise between the entropic drive to form an assembly smaller than the octahedron and the enthalpic prohibition of pairing two bulky ligands on the same edge of the triangular ring. The emission of luminescent LA is maintained in both homoleptic [Pd3LA6] and heteroleptic [Pd4LA4LB4].
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Affiliation(s)
- Jacopo Tessarolo
- Department
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Straße 6, 44227 Dortmund, Germany
| | - Haeri Lee
- Department
of Chemistry, Hannam University, 1646, Yuseong-daero, Yuseong-gu, Daejeon 34054, Republic of Korea
| | - Eri Sakuda
- Department
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Straße 6, 44227 Dortmund, Germany
- Division
of Chemistry and Materials Science, Graduate School of Engineering, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Keisuke Umakoshi
- Division
of Chemistry and Materials Science, Graduate School of Engineering, Nagasaki University, 1-14, Bunkyo-machi, Nagasaki 852-8521, Japan
| | - Guido H. Clever
- Department
of Chemistry and Chemical Biology, TU Dortmund
University, Otto-Hahn-Straße 6, 44227 Dortmund, Germany
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37
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38
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Luo D, Pan B, Zhang J, Ma C, Su Y, Gan Q. An interlocked coordination cage based on aromatic amide ligands. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.11.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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39
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Sudan S, Li RJ, Jansze SM, Platzek A, Rudolf R, Clever GH, Fadaei-Tirani F, Scopelliti R, Severin K. Identification of a Heteroleptic Pd 6L 6L' 6 Coordination Cage by Screening of a Virtual Combinatorial Library. J Am Chem Soc 2021; 143:1773-1778. [PMID: 33476512 DOI: 10.1021/jacs.0c12793] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The design of structurally defined heteroleptic coordination cages is a challenging task, and only few examples are known to date. Here we describe a selection approach that allowed the identification of a novel hexanuclear Pd cage containing two types of dipyridyl ligands. A virtual combinatorial library of [PdnL2n](BF4)2n complexes was prepared by mixing six different dipyridyl ligands with substoichiometric amounts of [Pd(CH3CN)4](BF4)2. Analysis of the equilibrated reaction mixture revealed the preferential formation of a heteroleptic [Pd6L6L'6](BF4)12 assembly. The complex was prepared on a preparative scale by a targeted synthesis, and its structure was elucidated by single-crystal X-ray diffraction. It features an unprecedented trigonal-antiprismatic cage structure with two triangular Pd3L3 macrocycles bridged by six L' ligands. A related but significantly larger [Pd6L6L'6](BF4)12 cage was obtained by using metalloligands instead of organic dipyridyl ligands.
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Affiliation(s)
- Sylvain Sudan
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Ru-Jin Li
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Suzanne M Jansze
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - André Platzek
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, 44227 Dortmund, Germany
| | - Robin Rudolf
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, 44227 Dortmund, Germany
| | - Guido H Clever
- Fakultät für Chemie und Chemische Biologie, Technische Universität Dortmund, 44227 Dortmund, Germany
| | - Farzaneh Fadaei-Tirani
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Rosario Scopelliti
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
| | - Kay Severin
- Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
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40
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Cai LX, Yan DN, Cheng PM, Xuan JJ, Li SC, Zhou LP, Tian CB, Sun QF. Controlled Self-Assembly and Multistimuli-Responsive Interconversions of Three Conjoined Twin-Cages. J Am Chem Soc 2021; 143:2016-2024. [PMID: 33471998 DOI: 10.1021/jacs.0c12064] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Stimuli-responsive structural transformations between discrete coordination supramolecular architectures not only are essential to construct smart functional materials but also provide a versatile molecular-level platform to mimic the biological transformation process. We report here the controlled self-assembly of three topologically unprecedented conjoined twin-cages, i.e., one stapled interlocked Pd12L6 cage (2) and two helically isomeric Pd6L3 cages (3 and 4) made from the same cis-blocked palladium corners and a new bis-bidentate ligand (1). While cage 2 features three mechanically coupled cavities, cages 3 and 4 are topologically isomeric helicate-based twin-cages based on the same metal/ligand stoichiometry. Sole formation of cage 2 or a dynamic mixture of cages 3 and 4 can be controlled by changing the solvents employed during the self-assembly. Structural conversions between cages 3 and 4 can be triggered by changes in both temperature/solvent and induced-fit guest encapsulations. Well-controlled interconversion between such topologically complex superstructures may lay a solid foundation for achieving a variety of functions within a switchable system.
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Affiliation(s)
- Li-Xuan Cai
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China
| | - Dan-Ni Yan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China.,University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Pei-Ming Cheng
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China
| | - Jin-Jin Xuan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China
| | - Shao-Chuan Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China.,University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Li-Peng Zhou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China
| | - Chong-Bin Tian
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China
| | - Qing-Fu Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, PR China.,University of Chinese Academy of Sciences, Beijing 100049, PR China
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41
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Wu J, Yang Q, Wang H, Ge Y, Tang J, Qi Z. Single-molecule magnets under dc field with an anion effect: self-assembly of pure dysprosium(iii) metallacycles. Dalton Trans 2021; 50:262-269. [DOI: 10.1039/d0dt02869j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The anion-adaptive self-assembly described here not only offers a facile approach to produce large single-molecule magnets but also provides an understanding of how structural factors affect the magnetic properties.
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Affiliation(s)
- Jianfeng Wu
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- Synergetic Innovation Center of Biological Optoelectronics and Healthcare Engineering (BOHE)
- Shaanxi Provincial Synergistic Innovation Center for Flexible Electronics & Health Sciences (FEHS)
- School of Life Sciences
- Northwestern Polytechnical University
| | - Qianqian Yang
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Haoyu Wang
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- Synergetic Innovation Center of Biological Optoelectronics and Healthcare Engineering (BOHE)
- Shaanxi Provincial Synergistic Innovation Center for Flexible Electronics & Health Sciences (FEHS)
- School of Life Sciences
- Northwestern Polytechnical University
| | - Yan Ge
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- Synergetic Innovation Center of Biological Optoelectronics and Healthcare Engineering (BOHE)
- Shaanxi Provincial Synergistic Innovation Center for Flexible Electronics & Health Sciences (FEHS)
- School of Life Sciences
- Northwestern Polytechnical University
| | - Jinkui Tang
- State Key Laboratory of Rare Earth Resource Utilization
- Changchun Institute of Applied Chemistry
- Chinese Academy of Sciences
- Changchun 130022
- P. R. China
| | - Zhenhui Qi
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- Synergetic Innovation Center of Biological Optoelectronics and Healthcare Engineering (BOHE)
- Shaanxi Provincial Synergistic Innovation Center for Flexible Electronics & Health Sciences (FEHS)
- School of Life Sciences
- Northwestern Polytechnical University
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42
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Krykun S, Croué V, Alévêque O, Levillain E, Allain M, Mézière C, Carré V, Aubriet F, Voïtenko Z, Goeb S, Sallé M. A self-assembled tetrathiafulvalene box. Org Chem Front 2021. [DOI: 10.1039/d0qo01543a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A M8L2 metalla-cage constructed through coordination-driven self-assembly from a quinonato bis-ruthenium complex and an electron-rich tetrathiafulvalene (TTF) tetrapyridyl ligand is depicted.
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Affiliation(s)
| | | | | | | | | | | | - Vincent Carré
- LCP-A2MC
- FR 3624
- Université de Lorraine
- ICPM
- 57078 Metz Cedex 03
| | | | - Zoia Voïtenko
- Taras Shevchenko National University of Kyiv
- Kyiv 01033
- Ukraine
| | | | - Marc Sallé
- Univ Angers
- CNRS
- MOLTECH-ANJOU
- F-49000 Angers
- France
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43
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Yan Y, Carrington EJ, Pétuya R, Whitehead GFS, Verma A, Hylton RK, Tang CC, Berry NG, Darling GR, Dyer MS, Antypov D, Katsoulidis AP, Rosseinsky MJ. Amino Acid Residues Determine the Response of Flexible Metal-Organic Frameworks to Guests. J Am Chem Soc 2020; 142:14903-14913. [PMID: 32786807 PMCID: PMC7472430 DOI: 10.1021/jacs.0c03853] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Flexible metal-organic frameworks (MOFs) undergo structural transformations in response to physical and chemical stimuli. This is hard to control because of feedback between guest uptake and host structure change. We report a family of flexible MOFs based on derivatized amino acid linkers. Their porosity consists of a one-dimensional channel connected to three peripheral pockets. This network structure amplifies small local changes in linker conformation, which are strongly coupled to the guest packing in and the shape of the peripheral pockets, to afford large changes in the global pore geometry that can, for example, segment the pore into four isolated components. The synergy among pore volume, guest packing, and linker conformation that characterizes this family of structures can be determined by the amino acid side chain, because it is repositioned by linker torsion. The resulting control optimizes noncovalent interactions to differentiate the uptake and structure response of host-guest pairs with similar chemistries.
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Affiliation(s)
- Yong Yan
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | | | - Rémi Pétuya
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | | | - Ajay Verma
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | - Rebecca K Hylton
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | - Chiu C Tang
- Diamond Light Source, Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0DE, U.K
| | - Neil G Berry
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | - George R Darling
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | - Matthew S Dyer
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
| | - Dmytro Antypov
- Department of Chemistry, University of Liverpool, Liverpool L69 7ZD, U.K
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44
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Tamura Y, Takezawa H, Fujita M. A Robust Double-walled Knotted Cage Revealed Guest Binding through Adaptive Portal Expansion. CHEM LETT 2020. [DOI: 10.1246/cl.200282] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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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45
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Cui Z, Lu Y, Gao X, Feng HJ, Jin GX. Stereoselective Synthesis of a Topologically Chiral Solomon Link. J Am Chem Soc 2020; 142:13667-13671. [DOI: 10.1021/jacs.0c05366] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Zheng Cui
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
| | - Ye Lu
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
| | - Xiang Gao
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
| | - Hui-Jun Feng
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
| | - Guo-Xin Jin
- State Key Laboratory of Molecular Engineering of Polymers, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
- State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, People’s Republic of China
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46
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Pullen S, Löffler S, Platzek A, Holstein JJ, Clever GH. Substrate and product binding inside a stimuli-responsive coordination cage acting as a singlet oxygen photosensitizer. Dalton Trans 2020; 49:9404-9410. [PMID: 32589176 DOI: 10.1039/d0dt01674h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
An acridone-based, interpenetrated double cage [3BF4Pd4L8] acts as a photosensitizer for generating singlet oxygen which adds to 1,3-cyclohexadiene in a [2+4] hetero-Diels-Alder reaction to form 2,3-dioxabicyclo[2.2.2]oct-5-ene. Photocatalytic activity was exclusively observed for the assembled cage, whereas the free organic ligand L decomposes upon irradiation. While cage [3BF4Pd4L8] does not accept any organic guests, NMR, MS and single crystal X-ray results reveal that both substrate and product are readily encapsulated in the central pocket of its chloride-activated form [2Cl@Pd4L8]. The system combines multiple functions (photosensitization, allosteric activation and guest uptake) within a structurally complex, mechanically-bound self-assembly built up from a simple and readily accessible ligand.
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Affiliation(s)
- Sonja Pullen
- Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn Str. 6, 44227 Dortmund, Germany.
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47
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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: 169] [Impact Index Per Article: 42.3] [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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48
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Ronson TK, Wang Y, Baldridge K, Siegel JS, Nitschke JR. An S10-Symmetric 5-Fold Interlocked [2]Catenane. J Am Chem Soc 2020; 142:10267-10272. [PMID: 32453562 PMCID: PMC7291353 DOI: 10.1021/jacs.0c03349] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
The reaction of sym-pentakis(4-aminothiophenyl)corannulene with 2-formyl-6-methylpyridine and CuI or 2-formyl-1,10-phenanthroline and MII (M = Co, Zn) yields an S10-symmetric 5-fold interlocked [2]catenane of two interpenetrating [CuI5L2]5+ cages or D5-symmetric [MII5L2]10+ cages, respectively. The new structures were characterized by X-ray crystallography, NMR spectroscopy, and mass spectrometry. Density functional theory computations point to dispersive energies on par with traditional covalent bond energies. Subcomponent exchange reactions favored formation of the [CoII5L2]10+ cage over the [CuI10L4]10+ catenane. The single cage and catenane each cocrystallized with a corannulene guest to form a bowl-in-bowl substructure.
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Affiliation(s)
- Tanya K Ronson
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
| | - Yujia Wang
- Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Kim Baldridge
- Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Jay S Siegel
- Health Sciences Platform, Tianjin University, 92 Weijin Road, Nankai District, Tianjin 300072, China
| | - Jonathan R Nitschke
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge CB2 1EW, United Kingdom
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49
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Torresi S, Famulari A, Martí-Rujas J. Kinetically Controlled Fast Crystallization of M 12L 8 Poly-[ n]-catenanes Using the 2,4,6-Tris(4-pyridyl)benzene Ligand and ZnCl 2 in an Aromatic Environment. J Am Chem Soc 2020; 142:9537-9543. [PMID: 32343571 DOI: 10.1021/jacs.0c03319] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Kinetic control in the presence of six aromatic solvents has been successfully applied in the synthesis of a poly-[n]-catenane composed of interlocked M12L8 icosahedral nanometric cages (i.e., internal voids of 2500 Å3). When the exotridentate tris-pyridyl benzene ligand and ZnCl2 with appropriate templating molecules because of good ligand aromatic interactions are used, the metal-organic cages can be synthesized very fast, homogeneously, and in large quantities as microcrystalline materials. Synchrotron single-crystal X-ray data (100 K) allowed the resolution of nitrobenzene guest molecules at the internal walls of the M12L8 nanocages, whereas in the central part of the cages the solvent is highly disordered. The guest release occurs in two steps with the disordered nitrobenzene guests released in the first step (lower temperatures) because of the absence of strong cage-guest interactions. Density functional theory calculations provided a rationalization of these outcomes and, in particular, solid-state approaches, showed theoretical evidence of the kinetic nature in the formation of the poly-[n]-catenane by the analysis of the packing energy in terms of monomeric and dimeric cages.
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Affiliation(s)
- Stefano Torresi
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, Milan 20131, Italy
| | - Antonino Famulari
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, Milan 20131, Italy
| | - Javier Martí-Rujas
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, Milan 20131, Italy.,Center for Nano Science and Technology@Polimi, Istituto Italiano di Tecnologia, Via Pascoli 70/3, Milano 20133, Italy
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50
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Gosselin AJ, Decker GE, Antonio AM, Lorzing GR, Yap GPA, Bloch ED. A Charged Coordination Cage-Based Porous Salt. J Am Chem Soc 2020; 142:9594-9598. [DOI: 10.1021/jacs.0c02806] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Aeri J. Gosselin
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Gerald E. Decker
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Alexandra M. Antonio
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Gregory R. Lorzing
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Glenn P. A. Yap
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
| | - Eric D. Bloch
- Department of Chemistry and Biochemistry, University of Delaware, Newark, Delaware 19716, United States
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