1
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Sivalingam V, Parbin M, Krishnaswamy S, Chand DK. Cage-To-Cage Transformations in Self-Assembled Coordination Cages Using "Acid/Base" or "Guest Binding-Induced Strain" as Stimuli. Angew Chem Int Ed Engl 2024; 63:e202403711. [PMID: 38567836 DOI: 10.1002/anie.202403711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Indexed: 05/03/2024]
Abstract
Controlling supramolecular systems between different functional forms by utilizing acids/bases as stimuli is a formidable challenge, especially where labile coordination bonds are involved. A pair of acid/base responsive, interconvertible 1,5-enedione/pyrylium based Pd2L4-type cages are prepared that exhibit differential guest binding abilities towards disulfonates of varied sizes. A three-state switch has been achieved, where (i) a weakly coordinating base induced cage-to-cage transformation in the first step, (ii) a strongly coordinating base triggered cage disassembly as the second step, and (iii) the third step shows acid(strong) promoted generation of initial cage, thereby completing the cycle. To our surprise, binding of a specific disulfonate guest facilitated cage-to-cage transformations by inducing strain on the cage assembly thereby opening the labile pyrylium rings of the cage. Through a competitive guest binding study, we demonstrated the superior guest binding capability of the octacationic pyrylium-based cage over a similar-sized tetracationic cage. These results provide a reliable approach to reversibly modulate the guest binding properties of acid/base-responsive self-assembled coordination cages.
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Affiliation(s)
- Vellaiyadevan Sivalingam
- IoE Center of Molecular Architecture, Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Minaz Parbin
- IoE Center of Molecular Architecture, Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Shobhana Krishnaswamy
- IoE Center of Molecular Architecture, Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
| | - Dillip Kumar Chand
- IoE Center of Molecular Architecture, Department of Chemistry, Indian Institute of Technology Madras, Chennai, 600036, India
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2
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Ibáñez S, Salvà P, Dawe LN, Peris E. Guest-Shuttling in a Nanosized Metallobox. Angew Chem Int Ed Engl 2024; 63:e202318829. [PMID: 38179825 DOI: 10.1002/anie.202318829] [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: 12/07/2023] [Revised: 01/03/2024] [Accepted: 01/03/2024] [Indexed: 01/06/2024]
Abstract
An iridium-conjoined long and narrow metallorectangle was obtained by combining a quinoxalinophenanthrophenazine-connected Janus-di-imidazolylidene ligand and pyrazine. The size and shape of this assembly together with the fused polyaromatic nature of its panels provides it with properties that are uncommon for other metallosupramolecular assemblies. For example, this nanosized 'slit-like' metallobox is able show very large binding affinities with planar organic molecules in such a way, that the cavity is asymmetrically occupied by the guest molecule. This unsymmetrical conformation leads to the existence of a large amplitude motion of these guests, which slide between the two sides of the cavity of the host, thus constituting rare examples of molecular shuttles.
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Affiliation(s)
- Susana Ibáñez
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Jaume I, Av. Vicente Sos Baynat s/n, Castellón, E-12006, Spain
| | - Paula Salvà
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Jaume I, Av. Vicente Sos Baynat s/n, Castellón, E-12006, Spain
| | - Louise N Dawe
- Department of Chemistry and Biochemistry, Wilfrid Laurier University, 75 University Avenue West, Waterloo, Ontario, N2 L 3 C5, Canada
| | - Eduardo Peris
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA), Universitat Jaume I, Av. Vicente Sos Baynat s/n, Castellón, E-12006, Spain
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3
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Tremlett WDJ, Söhnel T, Crowley JD, Wright LJ, Hartinger CG. Ferrocene-Derived Palladium(II)-Based Metallosupramolecular Structures: Synthesis, Guest Interaction, and Stimulus-Responsiveness Studies. Inorg Chem 2023; 62:3616-3628. [PMID: 36791401 DOI: 10.1021/acs.inorgchem.2c04399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2023]
Abstract
Using ferrocene-based ligand systems, a series of heterobimetallic architectures of the general formula [PdmLn]x+ were designed with the aim of installing an opening and closing mechanism that would allow the release and binding of guest molecules. Palladium complex formation was achieved through coordination to pyridyl groups, and using 2-, 3-, and 4-pyridyl derivatives provided access to defined PdL, PdL2, and Pd2L4 structures, respectively. The supramolecular complexes were characterized using nuclear magnetic resonance (NMR) and infrared spectroscopy, mass spectrometry, and elemental analysis, and for some examples density functional theory calculations and single-crystal X-ray diffraction analysis. 1H NMR spectroscopy was used to investigate disassembly and reassembly of the metallosupramolecular structures. The former was induced by cleavage of the relatively labile Pd-Npyridyl bonds with the introduction of the competing ligands N,N'-dimethylaminopyridine (DMAP) and Cl- (using tetrabutylammonium chloride) to yield [Pd(DMAP)4]2+ and [PdCl4]2-, respectively. The process was found to be reversible for several of the heterodimetallic compounds, with the addition of H+ or Ag+ triggering complex reassembly. Guest binding studies with several architectures revealed interactions with the anionic guests p-toluenesulfonate and octyl sulfate, but not with neutral molecules. Furthermore, the release of guests was reversibly induced with Cl- ions as a stimulus.
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Affiliation(s)
- William D J Tremlett
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Tilo Söhnel
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - James D Crowley
- Department of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
| | - L James Wright
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Christian G Hartinger
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
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4
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Chen L, Sheng X, Li G, Huang F. Mechanically interlocked polymers based on rotaxanes. Chem Soc Rev 2022; 51:7046-7065. [PMID: 35852571 DOI: 10.1039/d2cs00202g] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The nature of mechanically interlocked molecules (MIMs) has continued to encourage researchers to design and construct a variety of high-performance materials. Introducing mechanically interlocked structures into polymers has led to novel polymeric materials, called mechanically interlocked polymers (MIPs). Rotaxane-based MIPs are an important class, where the mechanically interlocked characteristic retains a high degree of structural freedom and mobility of their components, such as the rotation and sliding motions of rotaxane units. Therefore, these MIP materials are known to possess a unique set of properties, including mechanical robustness, adaptability and responsiveness, which endow them with potential applications in many emerging fields, such as protective materials, intelligent actuators, and mechanisorption. In this review, we outline the synthetic strategies, structure-property relationships, and application explorations of various polyrotaxanes, including linear polyrotaxanes, polyrotaxane networks, and rotaxane dendrimers.
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Affiliation(s)
- Liya Chen
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
| | - Xinru Sheng
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
| | - Guangfeng Li
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China. .,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China.
| | - Feihe Huang
- Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China. .,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou, 311215, P. R. China. .,Green Catalysis Center and College of Chemistry, Zhengzhou University, Zhengzhou 450001, P. R. China
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5
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Investigating the synthesis and structure of [2]pseudorotaxanes assembled by crown ether as wheel component and dual-cation axle with phosphonium and ammonium cations. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.132721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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6
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Wimberger L, Prasad SKK, Peeks MD, Andréasson J, Schmidt TW, Beves JE. Large, Tunable, and Reversible pH Changes by Merocyanine Photoacids. J Am Chem Soc 2021; 143:20758-20768. [PMID: 34846132 DOI: 10.1021/jacs.1c08810] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Molecular photoswitches capable of generating precise pH changes will allow pH-dependent processes to be controlled remotely and noninvasively with light. We introduce a series of new merocyanine photoswitches, which deliver reversible bulk pH changes up to 3.2 pH units (pH 6.5 to pH 3.3) upon irradiation with 450 nm light, displaying tunable and predictable timescales for thermal recovery. We present models to show that the key parameters for optimizing the bulk pH changes are measurable: the solubility of the photoswitch, the acidity of the merocyanine form, the thermal equilibrium position between the spiropyran and the merocyanine isomers, and the increased acidity under visible light irradiation. Using ultrafast transient absorption spectroscopy, we determined the quantum yields for the ring-closing reaction and found that the lifetimes of the transient cis-merocyanine isomers ranged from 30 to 550 ns. Quantum yields did not appear to be a limitation for bulk pH switching. The models we present use experimentally determined parameters and are, in principle, able to predict the change in pH obtained for any related merocyanine photoacid.
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Affiliation(s)
- Laura Wimberger
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia
| | - Shyamal K K Prasad
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia
| | - Martin D Peeks
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia
| | - Joakim Andréasson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg 412 96, Sweden
| | - Timothy W Schmidt
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia
| | - Jonathon E Beves
- School of Chemistry, UNSW Sydney, Sydney, New South Wales 2052, Australia
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7
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Ross DW, Findlay JA, Vasdev RAS, Crowley JD. Can 2-Pyridyl-1,2,3-triazole "Click" Ligands be Used to Develop Cu(I)/Cu(II) Molecular Switches? ACS OMEGA 2021; 6:30115-30129. [PMID: 34778683 PMCID: PMC8582268 DOI: 10.1021/acsomega.1c04977] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 10/15/2021] [Indexed: 06/13/2023]
Abstract
Molecular switching processes are important in a range of areas including the development of molecular machines. While there are numerous organic switching systems available, there are far less examples that exploit inorganic materials. The most common inorganic switching system remains the copper(I)/copper(II) switch developed by Sauvage and co-workers over 20 years ago. Herein, we examine if bidentate 2-(1-benzyl-1H-1,2,3-triazol-4-yl)pyridine (pytri) and tridentate 2,6-bis[(4-phenyl-1H-1,2,3-triazol-1-yl)methyl]pyridine (tripy) moieties can be used to replace the more commonly exploited polypyridyl ligands 2,2'-bypyridine (bpy)/1,10-phenanthroline (phen) and 2,2';6',2″-terpyridine (terpy) in a copper(I)/(II) switching system. Two new ditopic ligands that feature bidentate (pytri, L1 or bpytri, L2) and tridentate tripy metal binding pockets were synthesized and used to generate a family of heteroleptic copper(I) and copper(II) 6,6'-dimesityl-2,2'-bipyridine (diMesbpy) complexes. Additionally, we synthesized a series of model copper(I) and copper(II) diMesbpy complexes. A combination of techniques including nuclear magnetic resonance (NMR) and UV-vis spectroscopies, high-resolution electrospray ionization mass spectrometry, and X-ray crystallography was used to examine the behavior of the compounds. It was found that L1 and L2 formed [(diMesbpy)Cu(L1 or L2)]2+ complexes where the copper(II) diMesbpy unit was coordinated exclusively in the tridenate tripy binding site. However, when the ligands (L1 and L2) were complexed with copper(I) diMesbpy units, a complex mixture was obtained. NMR and MS data indicated that a 1:1 stoichiometry of [Cu(diMesbpy)]+ and either L1 or L2 generated three complexes in solution, the dimetallic [(diMesbpy)2Cu2(L1 or L2)]2+ and the monometallic [(diMesbpy)Cu(L1 or L2)]+ isomers where the [Cu(diMesbpy)]+ unit is coordinated to either the bidentate or tridentate tripy binding sites of the ditopic ligands. The dimetallic [(diMesbpy)2Cu2(L1 or L2)](PF6)2 complexes were structurally characterized using X-ray crystallography. Both complexes feature a [Cu(diMesbpy)]+ coordinated to the bidentate (pytri or bpytri) pocket of the ditopic ligands (L1 or L2), as expected. They also feature a second [Cu(diMesbpy)]+ coordinated to the nominally tridentate tripy binding site in a four-coordinate hypodentate κ2-fashion. Competition experiments with model complexes showed that the binding strength of the bidentate pytri is similar to that of the κ2-tripy ligand, leading to the lack of selectivity. The results suggest that the pytri/tripy and bpytri/tripy ligand pairs cannot be used as replacements for the more common bpy/phen-terpy partners due to the lack of selectivity in the copper(I) state.
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Affiliation(s)
- Daniel
A. W. Ross
- Department
of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
- MacDiarmid
Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand
| | - James A. Findlay
- Department
of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
- MacDiarmid
Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand
| | - Roan A. S. Vasdev
- Department
of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
- MacDiarmid
Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand
| | - James D. Crowley
- Department
of Chemistry, University of Otago, P.O. Box 56, Dunedin 9054, New Zealand
- MacDiarmid
Institute for Advanced Materials and Nanotechnology, Wellington 6140, New Zealand
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8
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Genaev AM, Salnikov GE, Koltunov KY. Unusual temperature-sensitive protonation behaviour of 4-(dimethylamino)pyridine. Org Biomol Chem 2021; 19:866-872. [DOI: 10.1039/d0ob01893g] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
An unusually strong impact of temperature on the protonation degree of DMAP in strong acid solutions has been found.
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Affiliation(s)
| | | | - Konstantin Yu. Koltunov
- Boreskov Institute of Catalysis
- Novosibirsk
- Russia
- Novosibirsk State University
- Novosibirsk 630090
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9
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He L, Wang SC, Lin LT, Cai JY, Li L, Tu TH, Chan YT. Multicomponent Metallo-Supramolecular Nanocapsules Assembled from Calix[4]resorcinarene-Based Terpyridine Ligands. J Am Chem Soc 2020; 142:7134-7144. [PMID: 32150683 DOI: 10.1021/jacs.0c01482] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Tetrafunctionalized calix[4]resorcinarene cavitands commonly serve as supramolecular scaffolds for construction of coordination-driven self-assembled capsules. However, due to the calix-like shape, the structural diversity of assemblies is mostly restricted to dimeric and hexameric capsules. Previously, we reported a spontaneous heteroleptic complexation strategy based on a pair of self-recognizable terpyridine-based ligands and CdII ions. Building on this complementary ligand pairing system, herein three types of nanocapsules, including a dimeric capsule, a Sierpiński triangular prism, and a cubic star, could be readily obtained through dynamic complexation reactions between a tetratopic cavitand-based ligand and various multitopic counterparts in the presence of CdII ions. The dimeric capsular assemblies display the spacer-length-dependent self-sorting behavior in a four-component system. Moreover, the precise multicomponent self-assembly of a Sierpiński triangular prism and a cubic star possessing three and six cavitand-based motifs, respectively, demonstrates that such self-assembly methodology is able to efficiently enhance architectural complexity for calix[4]resorcinarene-containing metallo-supramolecules.
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Affiliation(s)
- Lipeng He
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Shi-Cheng Wang
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Lin-Ting Lin
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Jhen-Yu Cai
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Lijie Li
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Tsung-Han Tu
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
| | - Yi-Tsu Chan
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, 10617, Taiwan
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10
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Wang LJ, Li X, Bai S, Wang YY, Han YF. Self-Assembly, Structural Transformation, and Guest-Binding Properties of Supramolecular Assemblies with Triangular Metal–Metal Bonded Units. J Am Chem Soc 2020; 142:2524-2531. [DOI: 10.1021/jacs.9b12309] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Li-Juan Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Xin Li
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Sha Bai
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Yao-Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
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11
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Goswami A, Saha S, Biswas PK, Schmittel M. (Nano)mechanical Motion Triggered by Metal Coordination: from Functional Devices to Networked Multicomponent Catalytic Machinery. Chem Rev 2019; 120:125-199. [DOI: 10.1021/acs.chemrev.9b00159] [Citation(s) in RCA: 76] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Abir Goswami
- Center of Micro- and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Strase 2, D-57068 Siegen, Germany
| | - Suchismita Saha
- Center of Micro- and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Strase 2, D-57068 Siegen, Germany
| | - Pronay Kumar Biswas
- Center of Micro- and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Strase 2, D-57068 Siegen, Germany
| | - Michael Schmittel
- Center of Micro- and Nanochemistry and Engineering, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Strase 2, D-57068 Siegen, Germany
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12
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Langer P, Yang L, Pfeiffer CR, Lewis W, Champness NR. Restricting shuttling in bis(imidazolium)…pillar[5]arene rotaxanes using metal coordination. Dalton Trans 2018; 48:58-64. [PMID: 30403248 DOI: 10.1039/c8dt04096f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Metal coordination to a series of bis (imidazolium)…pillar[5]arene [2]rotaxanes through the formation of metal-carbene bonds facilitates a new strategy to restrict the shuttling motion in [2]rotaxanes. Whereas the pillar[5]arene macrocycle rapidly shuttles along the full length of the bis (imidazolium) rod for the parent [2]rotaxane, Ag(i) coordination to the imidazolium groups through the formation of N-heterocyclic carbenes leads to restricted motion, effectively confining the shuttling motion of the [2]rotaxane. The Ag(i) coordinated [2]rotaxanes can be reacted further, either removing the Ag-carbene species to recreate the parent [2]rotaxane, or reaction with more bulky Pd(ii) species to further restrict the shuttling motion through steric inhibition.
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Affiliation(s)
- Philipp Langer
- School of Chemistry, University of Nottingham, University Park, Nottingham, NG7 2RD, UK.
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13
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Yesilgul N, Seven O, Guliyev R, Akkaya EU. Energy Harvesting in a Bodipy-Functionalized Rotaxane. J Org Chem 2018; 83:13228-13232. [DOI: 10.1021/acs.joc.8b01928] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Nisa Yesilgul
- Department of Chemistry, Bilkent University, Ankara 06800, Turkey
| | - Ozlem Seven
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
| | - Ruslan Guliyev
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
| | - Engin U. Akkaya
- Department of Chemistry, Bilkent University, Ankara 06800, Turkey
- UNAM-National Nanotechnology Research Center, Bilkent University, Ankara 06800, Turkey
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14
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Ganta S, Chand DK. Molecular Recombination Phenomena in Palladium(II)-Based Self-Assembled Complexes. Inorg Chem 2018; 57:5145-5158. [DOI: 10.1021/acs.inorgchem.8b00213] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Sudhakar Ganta
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
| | - Dillip K. Chand
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, India
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15
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Qian Z, Li X, Yuan T, Huang X, Wang Q, Ågren H, Tian H. Divalent Pseudorotaxane with Polarized Plug-Socket and Padlock Functions. Org Lett 2018; 20:1487-1490. [PMID: 29488384 DOI: 10.1021/acs.orglett.7b03867] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A dual-pore structured host composed of one 24-crown-8 and one 34-crown-10, and a "U"-shaped guest consisting of two different recognition units, one dibenzylammonium and one viologen, were synthesized and bound 1:1 into a divalent pseudorotaxane P1. P1 can mimic the inserting and pulling out functions of a polarized plug-socket system under solvent driven stimulus and can also realize the locking and unlocking actions of a padlock under pH stimulus.
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Affiliation(s)
- Zhengliang Qian
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Xin Li
- Division of Theoretical Chemistry and Biology, School of Biotechnology , KTH Royal Institute of Technology , SE-10691 Stockholm , Sweden
| | - Tao Yuan
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Xinghua Huang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Qiaochun Wang
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai 200237 , China
| | - Hans Ågren
- Division of Theoretical Chemistry and Biology, School of Biotechnology , KTH Royal Institute of Technology , SE-10691 Stockholm , Sweden
| | - He Tian
- Key Laboratory for Advanced Materials and Joint International Research Laboratory of Precision Chemistry and Molecular Engineering, Feringa Nobel Prize Scientist Joint Research Center, School of Chemistry and Molecular Engineering , East China University of Science & Technology , 130 Meilong Road , Shanghai 200237 , China
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16
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Carta V, Mehr SHM, MacLachlan MJ. Controlling Ligand Exchange through Macrocyclization. Inorg Chem 2018; 57:3243-3253. [DOI: 10.1021/acs.inorgchem.8b00031] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Veronica Carta
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - S. Hessam M. Mehr
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
| | - Mark J. MacLachlan
- Department of Chemistry, University of British Columbia, 2036 Main Mall, Vancouver, British Columbia V6T 1Z1, Canada
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17
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Shi Q, Han Y, Chen CF. Complexation Between (O-Methyl) 6 -2,6-Helic[6]arene and Tertiary Ammonium Salts: Acid/Base- or Chloride-Ion-Responsive Host-Guest Systems and Synthesis of [2]Rotaxane. Chem Asian J 2017; 12:2576-2582. [PMID: 28703463 DOI: 10.1002/asia.201700857] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 07/12/2017] [Indexed: 02/02/2023]
Abstract
Complexation between (O-methyl)6 -2,6-helic[6]arene and a series of tertiary ammonium salts was described. It was found that the macrocycle could form stable complexes with the tested aromatic and aliphatic tertiary ammonium salts, which were evidenced by 1 H NMR spectra, ESI mass spectra, and DFT calculations. In particular, the binding and release process of the guests in the complexes could be efficiently controlled by acid/base or chloride ions, which represents the first acid/base- and chloride-ion-responsive host-guest systems based on macrocyclic arenes and protonated tertiary ammonium salts. Moreover, the first 2,6-helic[6]arene-based [2]rotaxane was also synthesized from the condensation between the host-guest complex and isocyanate.
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Affiliation(s)
- Qiang Shi
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ying Han
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Chuan-Feng Chen
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
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18
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Leigh DA, Marcos V, Nalbantoglu T, Vitorica-Yrezabal IJ, Yasar FT, Zhu X. Pyridyl-Acyl Hydrazone Rotaxanes and Molecular Shuttles. J Am Chem Soc 2017; 139:7104-7109. [PMID: 28471662 DOI: 10.1021/jacs.7b03307] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
We report on rotaxanes featuring a pyridyl-acyl hydrazone moiety on the axle as a photo/thermal-switchable macrocycle binding site. The pyridyl-acyl E-hydrazone acts as a hydrogen bonding template that directs the assembly of a benzylic amide macrocycle around the axle to form [2]rotaxanes in up to 85% yield; the corresponding Z-hydrazone thread affords no rotaxane under similar conditions. However, the E-rotaxane can be smoothly converted into the Z-rotaxane in 98% yield under UV irradiation. The X-ray crystal structures of the E- and Z-rotaxanes show different intercomponent hydrogen bonding patterns. In molecular shuttles containing pyridyl-acyl hydrazone and succinic amide ester binding sites, the change of position of the macrocycle on the thread can be achieved through a series of light irradiation and heating cycles with excellent positional integrity (>95%) and switching fidelity (98%) in each state.
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Affiliation(s)
- David A Leigh
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Vanesa Marcos
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Tugrul Nalbantoglu
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | | | - F Tuba Yasar
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
| | - Xiaokang Zhu
- School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom
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19
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Santra S, Ghosh P. Rotamer-Induced Dynamic Nature of a [2]Rotaxane and Control of the Dynamics by External Stimuli. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601525] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Saikat Santra
- Department of Inorganic Chemistry; Indian Association for the Cultivation of Science; 2A and 2B Raja S.C. Mullick Road Kolkata India
| | - Pradyut Ghosh
- Department of Inorganic Chemistry; Indian Association for the Cultivation of Science; 2A and 2B Raja S.C. Mullick Road Kolkata India
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20
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Nandi M, Santra S, Akhuli B, Ghosh P. Threading of various ‘U’ shaped bidentate axles into a heteroditopic macrocyclic wheel via NiII/CuII templation. Dalton Trans 2017; 46:7421-7433. [DOI: 10.1039/c7dt00699c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The NiII/CuII templated threading of various terminal group embedded ‘U’ shaped axles into an amido–amine macrocyclic wheel towards the development of a new generation of [2]pseudorotaxanes via [3 + 2] coordination assisted by other non-covalent interactions.
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Affiliation(s)
- Mandira Nandi
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Saikat Santra
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Bidyut Akhuli
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
| | - Pradyut Ghosh
- Department of Inorganic Chemistry
- Indian Association for the Cultivation of Science
- Kolkata 700032
- India
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21
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Affiliation(s)
- Sreenivasulu Bandi
- Department of Chemistry; Indian Institute of Technology Madras; Chennai 600036 India
| | - Dillip Kumar Chand
- Department of Chemistry; Indian Institute of Technology Madras; Chennai 600036 India
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22
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Affiliation(s)
- Sundus Erbas-Cakmak
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - David A. Leigh
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Charlie T. McTernan
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
| | - Alina
L. Nussbaumer
- School of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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23
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McConnell AJ, Wood CS, Neelakandan PP, Nitschke JR. Stimuli-Responsive Metal–Ligand Assemblies. Chem Rev 2015; 115:7729-93. [DOI: 10.1021/cr500632f] [Citation(s) in RCA: 759] [Impact Index Per Article: 84.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Anna J. McConnell
- Department of Chemistry, University of Cambridge, Lensfield
Road, Cambridge CB2 1EW, United Kingdom
| | - Christopher S. Wood
- Department of Chemistry, University of Cambridge, Lensfield
Road, Cambridge CB2 1EW, United Kingdom
| | - Prakash P. Neelakandan
- Department of Chemistry, University of Cambridge, Lensfield
Road, Cambridge CB2 1EW, United Kingdom
| | - Jonathan R. Nitschke
- Department of Chemistry, University of Cambridge, Lensfield
Road, Cambridge CB2 1EW, United Kingdom
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24
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Xue M, Yang Y, Chi X, Yan X, Huang F. Development of Pseudorotaxanes and Rotaxanes: From Synthesis to Stimuli-Responsive Motions to Applications. Chem Rev 2015; 115:7398-501. [DOI: 10.1021/cr5005869] [Citation(s) in RCA: 605] [Impact Index Per Article: 67.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Min Xue
- State Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Yong Yang
- Department
of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, People’s Republic of China
| | - Xiaodong Chi
- State Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Xuzhou Yan
- State Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
| | - Feihe Huang
- State Key Laboratory of Chemical Engineering, Center for Chemistry of High-Performance & Novel Materials, Department of Chemistry, Zhejiang University, Hangzhou 310027, People’s Republic of China
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25
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Liu CG, Gao ML, Liu S, Zhang DF. Tetrathiafulvalene derivatives as cation sensor: density functional theory investigation of the hyper-Rayleigh scattering first hyperpolarizability. RSC Adv 2015. [DOI: 10.1039/c5ra00554j] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The hyper-Rayleigh scattering first hyperpolarizability of a series of extended tetrathiafulvalene (TTF) and TTF derivatives have been theoretically investigated using density functional theory to explore their use as potential cation sensor.
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Affiliation(s)
- Chun-Guang Liu
- College of Chemical Engineering
- Northeast Dianli University
- P. R. China
- Institute of Functional Material Chemistry
- Faculty of Chemistry
| | - Ming-Li Gao
- College of Chemical Engineering
- Northeast Dianli University
- P. R. China
| | - Shuang Liu
- College of Chemical Engineering
- Northeast Dianli University
- P. R. China
| | - Ding-Fan Zhang
- College of Chemical Engineering
- Northeast Dianli University
- P. R. China
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26
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Henkelis JJ, Hardie MJ. Controlling the assembly of cyclotriveratrylene-derived coordination cages. Chem Commun (Camb) 2015; 51:11929-43. [DOI: 10.1039/c5cc03071d] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Ligand-functionalised cyclotriveratrylene derivatives self-assemble to afford coordination cages and topologically non-trivial constructs, including controlled assembly of M3L2 metallo-cryptophane and M6L8 cages.
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27
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Cao ZQ, Li H, Yao J, Zou L, Qu DH, Tian H. A Perylene-Bridged Switchable [3]Rotaxane Molecular Shuttle with a Fluorescence Output. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402201] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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28
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Noor A, Maloney DL, Lewis JEM, Lo WKC, Crowley JD. Acid-Base Driven Ligand Exchange with Palladium(II) “Click” Complexes. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402197] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Liu L, Wang Q, Cheng M, Hu XY, Jiang J, Wang L. A Ferrocene-Functionalized Bistable [2]Rotaxane with Switchable Fluorescence. ASIAN J ORG CHEM 2014. [DOI: 10.1002/ajoc.201402155] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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30
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Yao J, Li H, Xu YN, Wang QC, Qu DH. Efficient Intramolecular Energy Transfer between Two Fluorophores in a Bis-Branched [3]Rotaxane. Chem Asian J 2014; 9:3482-90. [DOI: 10.1002/asia.201402789] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2014] [Revised: 07/21/2014] [Indexed: 11/11/2022]
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31
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Pangilinan K, Advincula R. Cyclic polymers and catenanes by atom transfer radical polymerization (ATRP). POLYM INT 2014. [DOI: 10.1002/pi.4717] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Katrina Pangilinan
- Department of Macromolecular Science and Engineering; Case Western Reserve University; Cleveland OH 44106 USA
| | - Rigoberto Advincula
- Department of Macromolecular Science and Engineering; Case Western Reserve University; Cleveland OH 44106 USA
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32
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Henkelis JJ, Fisher J, Warriner SL, Hardie MJ. Solvent-Dependent Self-Assembly Behaviour and Speciation Control of Pd6L8Metallo-supramolecular Cages. Chemistry 2014; 20:4117-25. [DOI: 10.1002/chem.201304437] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Indexed: 11/11/2022]
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33
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Beves JE, Blanco V, Blight BA, Carrillo R, D'Souza DM, Howgego D, Leigh DA, Slawin AMZ, Symes MD. Toward metal complexes that can directionally walk along tracks: controlled stepping of a molecular biped with a palladium(II) foot. J Am Chem Soc 2014; 136:2094-100. [PMID: 24446768 DOI: 10.1021/ja4123973] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
We report on the design, synthesis, and operation of a bimetallic molecular biped on a three-foothold track. The "walker" features a palladium(II) complex "foot" that can be selectively stepped between 4-dimethylaminopyridine and pyridine ligand sites on the track via reversible protonation while the walker remains attached to the track throughout by means of a kinetically inert platinum(II) complex foot. The substitution pattern of the three ligand binding sites, together with the kinetic stability of the metal-ligand coordination bonds, affords the two positional isomers a high degree of metastability, meaning that altering the chemical state of the track does not automatically instigate stepping in the absence of an additional stimulus (heat in the presence of a coordinating solvent). The use of metastable metal complexes for foot-track interactions offers a promising alternative to dynamic covalent chemistry for the design of small-molecule synthetic molecular walkers.
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Affiliation(s)
- Jonathon E Beves
- School of Chemistry, University of Edinburgh , The King's Buildings, West Mains Road, Edinburgh EH9 3JJ, United Kingdom
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34
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Neal EA, Goldup SM. Chemical consequences of mechanical bonding in catenanes and rotaxanes: isomerism, modification, catalysis and molecular machines for synthesis. Chem Commun (Camb) 2014; 50:5128-42. [DOI: 10.1039/c3cc47842d] [Citation(s) in RCA: 207] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
We highlight some of the less discussed consequences of mechanical bonding for the chemical behaviour of catenanes and rotaxanes, including striking recent examples where molecular motion controls chemical reactions.
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Affiliation(s)
- Edward A. Neal
- School of Biological and Chemical Science
- Queen Mary University of London
- London, UK
| | - Stephen M. Goldup
- School of Biological and Chemical Science
- Queen Mary University of London
- London, UK
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35
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Zigon N, Kyritsakas N, Hosseini MW. Organometallic turnstiles: acid and base locking and unlocking. Dalton Trans 2014; 43:152-7. [DOI: 10.1039/c3dt51996a] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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36
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Zhang JN, Li H, Zhou W, Yu SL, Qu DH, Tian H. Fluorescence modulation in tribranched switchable [4]rotaxanes. Chemistry 2013; 19:17192-200. [PMID: 24203853 DOI: 10.1002/chem.201303026] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Revised: 09/05/2013] [Indexed: 11/10/2022]
Abstract
Two novel tribranched [4]rotaxanes with a 1,3,5-triphenylene core and three rotaxane arms have been designed, synthesized, and characterized by (1)H and (13)C NMR spectroscopies and HR-ESI mass spectrometry. [4]Rotaxanes 1 and 2 each possess the same three-armed skeleton. Each arm incorporates two distinguishable binding sites for a dibenzo[24]crown-8 ring, namely a dibenzylammonium site and an N-methyltriazolium site, and is terminated by a 4-morpholino-naphthalimide fluorophore as a stopper. [4]Rotaxane 1 has three di-ferrocene-functionalized dibenzo[24]crown-8 rings whereas 2 has three simple dibenzo[24]crown-8 rings interlocked with the thread component. Uniform shuttling motions of the three macrocycles in both 1 and 2 can be driven by external acid-base stimuli, which were confirmed by (1)H NMR spectroscopy. However, [4]rotaxanes 1 and 2 show distinct modes of fluorescence modulation in response to external acid-base stimuli. [4]Rotaxane 1 exhibits a remarkable fluorescence decrease in response to the addition of 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU) as a base, which can displace the ferrocene-functionalized macrocycle from the dibenzylammonium station to the N-methyltriazolium station. In contrast, the fluorescence intensity of [4]rotaxane 2 showed an enhancement with the addition of DBU. Time-resolved fluorescence measurements have been performed. The different photoinduced electron-transfer processes responsible for the fluorescence changes in the two molecular systems are discussed. Topological structures of this kind have significant potential for the design and construction of large and complex assemblies with controllable functions.
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Affiliation(s)
- Ji-Na Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237 (P. R. China), Fax: (+86) 21-64252288
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37
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Stimuli-Responsive Supramolecular Gels through Hierarchical Self-Assembly of Discrete Rhomboidal Metallacycles. Chemistry 2013; 19:10094-100. [DOI: 10.1002/chem.201301385] [Citation(s) in RCA: 71] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Indexed: 11/07/2022]
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38
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Maity D, Bhaumik C, Karmakar S, Baitalik S. Photoinduced Electron and Energy Transfer and pH-Induced Modulation of the Photophysical Properties in Homo- and Heterobimetallic Complexes of Ruthenium(II) and Rhodium(III) Based on a Heteroditopic Phenanthroline–Terpyridine Bridge. Inorg Chem 2013; 52:7933-46. [DOI: 10.1021/ic400449c] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Dinesh Maity
- Inorganic Chemistry Section, Department
of Chemistry, Jadavpur University, Kolkata
700032, India
| | - Chanchal Bhaumik
- Inorganic Chemistry Section, Department
of Chemistry, Jadavpur University, Kolkata
700032, India
| | - Srikanta Karmakar
- Inorganic Chemistry Section, Department
of Chemistry, Jadavpur University, Kolkata
700032, India
| | - Sujoy Baitalik
- Inorganic Chemistry Section, Department
of Chemistry, Jadavpur University, Kolkata
700032, India
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39
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Raju MVR, Lin HC. A Novel Diketopyrrolopyrrole (DPP)-Based [2]Rotaxane for Highly Selective Optical Sensing of Fluoride. Org Lett 2013; 15:1274-7. [DOI: 10.1021/ol400221h] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
| | - Hong-Cheu Lin
- Department of Materials Science and Engineering, National Chiao Tung Univeristy, Hsinchu 30049, Taiwan (ROC)
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40
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Saha D, Das S, Karmakar S, Dutta S, Baitalik S. Synthesis, structural characterization and anion-, cation- and solvent-induced tuning of photophysical properties of a bimetallic Ru(ii) complex: combined experimental and DFT/TDDFT investigation. RSC Adv 2013. [DOI: 10.1039/c3ra41114a] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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41
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Wojtecki RJ, Wu Q, Johnson JC, Ray DG, Korley LTJ, Rowan SJ. Optimizing the formation of 2,6-bis(N-alkyl-benzimidazolyl)pyridine-containing [3]catenates through component design. Chem Sci 2013. [DOI: 10.1039/c3sc52082j] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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42
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Sooksawat D, Pike SJ, Slawin AMZ, Lusby PJ. Acid–base responsive switching between “3+1” and “2+2” platinum complexes. Chem Commun (Camb) 2013; 49:11077-9. [DOI: 10.1039/c3cc46587j] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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43
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Li H, Zhang H, Zhang Q, Zhang QW, Qu DH. A Switchable Ferrocene-Based [1]Rotaxane with an Electrochemical Signal Output. Org Lett 2012; 14:5900-3. [DOI: 10.1021/ol302826g] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Hong Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237, P. R. China
| | - Hui Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237, P. R. China
| | - Qiong Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237, P. R. China
| | - Qi-Wei Zhang
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237, P. R. China
| | - Da-Hui Qu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, East China University of Science & Technology, Shanghai 200237, P. R. China
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44
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Wang XY, Han JM, Pei J. Energy Transfer and Concentration-Dependent Conformational Modulation: A Porphyrin-Containing [3]Rotaxane. Chem Asian J 2012; 7:2429-37. [DOI: 10.1002/asia.201200443] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2012] [Indexed: 11/06/2022]
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45
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Das S, Saha D, Karmakar S, Baitalik S. Effect of pH on the Photophysical and Redox Properties of a Ruthenium(II) Mixed Chelate Derived from Imidazole-4,5-dicarboxylic Acid and 2,2′-Bipyridine: An Experimental and Theoretical Investigation. J Phys Chem A 2012; 116:5216-26. [DOI: 10.1021/jp300820p] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Shyamal Das
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
| | - Debasish Saha
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
| | - Srikanta Karmakar
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
| | - Sujoy Baitalik
- Department of Chemistry,
Inorganic Chemistry Section, Jadavpur University, Kolkata 700 032, India
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46
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Leigh DA, Lusby PJ, Slawin AMZ, Walker DB. Half-rotation in a kinetically locked [2]catenane induced by transition metal ion substitution. Chem Commun (Camb) 2012; 48:5826-8. [PMID: 22572809 DOI: 10.1039/c2cc32418k] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report on a heterocircuit [2]catenane in which a reversible half-rotation of one ring about the other can be induced, and locked in place, by switching the coordination of the interlocked rings between Pd(II) and Co(III).
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Affiliation(s)
- David A Leigh
- School of Chemistry, University of Edinburgh, The King's Buildings, West Mains Road, Edinburgh, UK EH9 3JJ.
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47
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Zhang M, Zhu K, Huang F. Molecular Devices: Molecular Machinery. Supramol Chem 2012. [DOI: 10.1002/9780470661345.smc092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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48
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Zhu K, Vukotic VN, Loeb SJ. Molecular Shuttling of a Compact and Rigid H-Shaped [2]Rotaxane. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201108488] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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49
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Zhu K, Vukotic VN, Loeb SJ. Molecular Shuttling of a Compact and Rigid H-Shaped [2]Rotaxane. Angew Chem Int Ed Engl 2012; 51:2168-72. [DOI: 10.1002/anie.201108488] [Citation(s) in RCA: 134] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2011] [Indexed: 11/09/2022]
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Das S, Saha D, Mardanya S, Baitalik S. A combined experimental and DFT/TDDFT investigation of structural, electronic, and pH-induced tuning of photophysical and redox properties of osmium(ii) mixed-chelates derived from imidazole-4,5-dicarboxylic acid and 2,2′-bipyridine. Dalton Trans 2012; 41:12296-310. [DOI: 10.1039/c2dt31321a] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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