1
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Room-temperature self-healing polysiloxane elastomer with reversible cross-linked network. POLYMER 2022. [DOI: 10.1016/j.polymer.2022.125272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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2
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Amemori S, Hamamoto R, Mizuno M. Enhancement of association constants of various charge-transfer complexes in siloxane solvents. NEW J CHEM 2022. [DOI: 10.1039/d2nj00214k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The association constants of various charge-transfer complexes were evaluated in n-hexane, octamethyltrisiloxane and PDMS to investigate the solvent effect.
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Affiliation(s)
- Shogo Amemori
- NanoMaterials Research Institute, Kanazawa University, Kanazawa 920-1192, Japan
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa 920-1192, Japan
- Institute for Frontier Science Initiative, Kanazawa University, Kanazawa 920-1192, Japan
| | - Ryosuke Hamamoto
- School of Chemistry, College of Science and Engineering, Kanazawa University, Kanazawa 920-1192, Japan
| | - Motohiro Mizuno
- NanoMaterials Research Institute, Kanazawa University, Kanazawa 920-1192, Japan
- Graduate School of Natural Science and Technology, Kanazawa University, Kanazawa 920-1192, Japan
- Institute for Frontier Science Initiative, Kanazawa University, Kanazawa 920-1192, Japan
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3
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Zhang Y, Chen F, Li Y, Qiu H, Zhang J, Yin S. Supramolecular Polymer Networks with Enhanced Mechanical Properties: The Marriage of Covalent Polymer and Metallacycle
†. CHINESE J CHEM 2021. [DOI: 10.1002/cjoc.202100325] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yue‐Yue Zhang
- College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
| | - Feng Chen
- College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
| | - Yang Li
- College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
| | - Hua‐Yu Qiu
- College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
- Key Laboratory of Organosilicon Chemistry and Materials Technology of Ministry of Education Hangzhou Normal University Hangzhou Zhejiang 311121 China
| | - Jin‐Jin Zhang
- College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
| | - Shou‐Chun Yin
- College of Material, Chemistry and Chemical Engineering Hangzhou Normal University Hangzhou Zhejiang 311121 China
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4
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Würthner F. Solvent Effects in Supramolecular Chemistry: Linear Free Energy Relationships for Common Intermolecular Interactions. J Org Chem 2021; 87:1602-1615. [PMID: 33973476 DOI: 10.1021/acs.joc.1c00625] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The proper choice of solvent is of major importance for all studies in supramolecular chemistry, including molecular recognition in host-guest systems, intramolecular folding, self-assembly, and supramolecular polymerization. In this Perspective, the usefulness of linear free energy relationships (LFERs) is highlighted to unravel the effect of solvents on coordinate bonding (e.g., cation-crown ether), hydrogen bonding, halogen bonding, dipolar aggregation, and π-π-stacking. For all of these intermolecular interactions widely applied in supramolecular systems, LFER relationships between the Gibbs binding energies and common solvent polarity scales including ET(30), π*, α or β based on solvatochromic dyes, scales derived from binding processes such as Gutmann donor and acceptor numbers or hydrogen bond donor and acceptor scales, or physical functions like the Kirkwood-Onsager or the Liptay-Onsager functions could be demonstrated. These relationships can now be applied toward a better understanding of the prevailing intermolecular forces for supramolecular interactions. They further enable a rational selection of the most suitable solvent for the preparation of self-assembled materials and the estimation of binding constants without the need for time-consuming comprehensive investigations of solvents.
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Affiliation(s)
- Frank Würthner
- Center for Nanosystems Chemistry (CNC), Universität Würzburg, Theodor-Boveri-Weg, 97074 Würzburg, Germany.,Institut für Organische Chemie, Universität Würzburg, Am Hubland, 97074 Würzburg, Germany
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5
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Amemori S, Kikuchi K, Mizuno M. Poly(dimethylsiloxane) and oligo(dimethylsiloxane) solvent effects on aromatic donor-acceptor interactions. Chem Commun (Camb) 2021; 57:1141-1144. [PMID: 33410835 DOI: 10.1039/d0cc06638a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Solvents with a wide range of polarities, including poly(dimethylsiloxane) and oligo(dimethylsiloxane), were used to evaluate aromatic donor-acceptor interactions between pyrene and pyromellitic diimide derivatives. The donor-acceptor interactions were stronger in siloxane solvents than in aliphatic solvents, possibly because of the poor solubility of the aromatics in siloxanes.
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Affiliation(s)
- Shogo Amemori
- NanoMaterials Research Institute, Kanazawa University, Kanazawa 920-1192, Japan.
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6
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Mabesoone MJ, Palmans ARA, Meijer EW. Solute-Solvent Interactions in Modern Physical Organic Chemistry: Supramolecular Polymers as a Muse. J Am Chem Soc 2020; 142:19781-19798. [PMID: 33174741 PMCID: PMC7705892 DOI: 10.1021/jacs.0c09293] [Citation(s) in RCA: 86] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Indexed: 12/14/2022]
Abstract
Interactions between solvents and solutes are a cornerstone of physical organic chemistry and have been the subject of investigations over the last century. In recent years, a renewed interest in fundamental aspects of solute-solvent interactions has been sparked in the field of supramolecular chemistry in general and that of supramolecular polymers in particular. Although solvent effects in supramolecular chemistry have been recognized for a long time, the unique opportunities that supramolecular polymers offer to gain insight into solute-solvent interactions have become clear relatively recently. The multiple interactions that hold the supramolecular polymeric structure together are similar in strength to those between solute and solvent. The cooperativity found in ordered supramolecular polymers leads to the possibility of amplifying these solute-solvent effects and will shed light on extremely subtle solvation phenomena. As a result, many exciting effects of solute-solvent interactions in modern physical organic chemistry can be studied using supramolecular polymers. Our aim is to put the recent progress into a historical context and provide avenues toward a more comprehensive understanding of solvents in multicomponent supramolecular systems.
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Affiliation(s)
- Mathijs
F. J. Mabesoone
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R. A. Palmans
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E. W. Meijer
- Institute
for Complex Molecular Systems and the Laboratory of Macromolecular
and Organic Chemistry, Eindhoven University
of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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7
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Gao Z, Yan F, Qiu S, Han Y, Wang F, Tian W. Acceptor-induced cooperative supramolecular co-assembly with emissive charge-transfer for advanced supramolecular encryption. Chem Commun (Camb) 2020; 56:9214-9217. [PMID: 32662795 DOI: 10.1039/d0cc03901b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A novel acceptor-induced cooperative supramolecular co-assembly based on a dendritic electron donor and 1,2,4,5-tetracyanobenzene acceptor has been successfully developed. The resulting co-assembly is capable of displaying emissive charge transfer properties and intriguing vapo-fluorochromic behaviors, which can be used for supramolecular encryption applications with reversible authentication.
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Affiliation(s)
- Zhao Gao
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an 710072, P. R. China.
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8
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Gianga TM, Pantoș GD. Structurally divergent dynamic combinatorial chemistry on racemic mixtures. Nat Commun 2020; 11:3528. [PMID: 32669543 PMCID: PMC7363883 DOI: 10.1038/s41467-020-17321-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 06/16/2020] [Indexed: 11/09/2022] Open
Abstract
Structurally Divergent Reactions on Racemic Mixtures are atypical processes in Nature. The few examples reported in the literature take place in organic solvents and are driven by the reagents’ interaction with bulky chiral catalysts. Herein, we describe a dynamic combinatorial approach to generate structural divergence from racemic building blocks. The divergence is due to a stereospecific electron-donor – electron-acceptor interaction of diastereomeric macrocycles, leading to structurally distinct pseudorotaxanes. The equilibrated dynamic combinatorial library contains, amongst various macrocycles, two different types of [2]catenanes that are non-isomeric. The formation of these [2]catenanes is due to a spontaneous stereo and structurally divergent assembly of the building blocks. Structurally divergent reactions on racemic mixtures, which produce distinct chemical species from an enantiomeric mixture, are extremely rare in the literature. Here, the authors are able to use a dynamic combinatorial approach to yield structurally divergent, non-isomeric [2]catenanes from an enantiomeric mixture.
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Affiliation(s)
- Tiberiu-M Gianga
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.,Beamline B23, Diamond Light Source, Ltd., Chilton, Didcot, OX11 0DE, UK
| | - G Dan Pantoș
- Department of Chemistry, University of Bath, Bath, BA2 7AY, UK.
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9
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Kage Y, Shimizu S, Kociok-Köhn G, Furuta H, Pantoş GD. Subphthalocyanine-Stoppered [2]Rotaxanes: Synthesis and Size/Energy Threshold of Slippage. Org Lett 2020; 22:1096-1101. [PMID: 31942791 DOI: 10.1021/acs.orglett.9b04620] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Subphthalocyanine (SubPc)-stoppered [2]rotaxanes were synthesized for the first time. The rotaxane bearing unsubstituted SubPc as a stopper exhibited an equilibrium of slipping-on and slipping-off, whereas a perfluorinated SubPc stopper completely blocked slippage of the ring due to its slightly larger size. Kinetic studies revealed the Gibbs free energy of activation for the slipping-on and slipping-off processes. The optical properties of the rotaxanes, including photoinduced electron transfer, were also revealed.
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Affiliation(s)
- Yuto Kage
- Department of Chemistry and Biochemistry, Graduate School of Engineering , Kyushu University , Fukuoka 819-0395 , Japan
| | - Soji Shimizu
- Department of Chemistry and Biochemistry, Graduate School of Engineering , Kyushu University , Fukuoka 819-0395 , Japan.,Center for Molecular Systems (CMS) , Kyushu University , Fukuoka 819-0395 , Japan
| | | | - Hiroyuki Furuta
- Department of Chemistry and Biochemistry, Graduate School of Engineering , Kyushu University , Fukuoka 819-0395 , Japan.,Center for Molecular Systems (CMS) , Kyushu University , Fukuoka 819-0395 , Japan
| | - G Dan Pantoş
- Department of Chemistry , University of Bath , Bath BA2 7AY , U.K
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10
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Ng AWH, Au‐Yeung HY. Molecular Links and Knots from Naphthalenediimide: A Balance of Weak Interactions. Chem Asian J 2019; 14:1602-1612. [DOI: 10.1002/asia.201801681] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Indexed: 11/06/2022]
Affiliation(s)
- Antony Wing Hung Ng
- Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
| | - Ho Yu Au‐Yeung
- Department of ChemistryThe University of Hong Kong Pokfulam Road Hong Kong P. R. China
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11
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Wakchaure VC, Pillai LV, Goudappagouda G, Ranjeesh KC, Chakrabarty S, Ravindranathan S, Rajamohanan PR, Babu SS. Charge transfer liquid: a stable donor–acceptor interaction in the solvent-free liquid state. Chem Commun (Camb) 2019; 55:9371-9374. [DOI: 10.1039/c9cc03671g] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
A new charge transfer solvent-free liquid having high stability even with donor–acceptor ratio of 1000 : 1 is demonstrated.
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Affiliation(s)
- Vivek Chandrakant Wakchaure
- Organic Chemistry Division
- National Chemical Laboratory (CSIR-NCL)
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | | | - Goudappagouda Goudappagouda
- Organic Chemistry Division
- National Chemical Laboratory (CSIR-NCL)
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Kayaramkodath Chandran Ranjeesh
- Organic Chemistry Division
- National Chemical Laboratory (CSIR-NCL)
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
| | - Suman Chakrabarty
- S. N. Bose National Centre for Basic Sciences JD Block
- Sector-III
- Kolkata-700 106
- India
| | - Sapna Ravindranathan
- Academy of Scientific and Innovative Research (AcSIR)
- Ghaziabad-201 002
- India
- Central NMR Facility
- National Chemical Laboratory (CSIR-NCL)
| | - Pattuparambil R. Rajamohanan
- Academy of Scientific and Innovative Research (AcSIR)
- Ghaziabad-201 002
- India
- Central NMR Facility
- National Chemical Laboratory (CSIR-NCL)
| | - Sukumaran Santhosh Babu
- Organic Chemistry Division
- National Chemical Laboratory (CSIR-NCL)
- Pune-411008
- India
- Academy of Scientific and Innovative Research (AcSIR)
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12
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Liang J, Soucie LN, Blechschmidt DR, Yoder A, Gustafson A, Liu Y. Aromatic Donor–Acceptor Interaction-Based Co(III)-salen Self-Assemblies and Their Applications in Asymmetric Ring Opening of Epoxides. Org Lett 2018; 21:513-518. [DOI: 10.1021/acs.orglett.8b03824] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Jian Liang
- Department of Chemistry, Northern Michigan University, Marquette, Michigan 49855, United States
| | - Luke N. Soucie
- Department of Chemistry, Northern Michigan University, Marquette, Michigan 49855, United States
| | - Daniel R. Blechschmidt
- Department of Chemistry, Northern Michigan University, Marquette, Michigan 49855, United States
| | - Aaron Yoder
- Department of Chemistry, Northern Michigan University, Marquette, Michigan 49855, United States
| | - Addie Gustafson
- Department of Chemistry, Northern Michigan University, Marquette, Michigan 49855, United States
| | - Yu Liu
- Department of Chemistry, Northern Michigan University, Marquette, Michigan 49855, United States
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13
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Hahn R, Bohle F, Fang W, Walther A, Grimme S, Esser B. Raising the Bar in Aromatic Donor-Acceptor Interactions with Cyclic Trinuclear Gold(I) Complexes as Strong π-Donors. J Am Chem Soc 2018; 140:17932-17944. [PMID: 30477299 DOI: 10.1021/jacs.8b08823] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Aromatic donor-acceptor interactions are of high importance in supramolecular chemistry, materials science and biology. Compared to other noncovalent interactions, such as hydrogen bonding, the binding is often weak. Here we show that strong donor-acceptor interactions between planar aromatics with binding free energies down to -10.1 kcal mol-1 and association constants of up to 2.34 × 107 L mol-1 for 1:1 complexes can be realized using cyclic trinuclear complexes of gold(I) with pyridinate, imidazolate, or carbeniate ligands. Data were obtained through NMR and UV/vis absorption spectroscopic studies and supported by quantum chemical calculations for a variety of acceptors. By using a specifically designed bridged naphthalene diimide-based acceptor with only one binding site, we furthermore show that a 1:2 (donor:acceptor) binding model is best suited to quantify the donor and acceptor/complex equilibrium. Scanning electron microscopy on selected donor-acceptor pairs shows crystalline supramolecular assemblies. We anticipate this study to be relevant for the future design of supramolecular systems and chemical sensors and the determination of binding energies between planar donors and acceptors.
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Affiliation(s)
- Raiko Hahn
- Institute for Organic Chemistry , University of Freiburg , Albertstraße 21 , 79104 Freiburg , Germany
| | - Fabian Bohle
- Mulliken Center for Theoretical Chemistry , University of Bonn , Beringstraße 4 , 53115 Bonn , Germany
| | - Wenwen Fang
- Institute for Macromolecular Chemistry , University of Freiburg , Stefan-Meier-Straße 31 , 79104 Freiburg , Germany.,Freiburg Materials Research Center (FMF) , University of Freiburg , Stefan-Meier-Straße 21 , 79104 Freiburg , Germany.,Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) , University of Freiburg , Georges-Köhler-Allee 105 , 79110 Freiburg , Germany
| | - Andreas Walther
- Institute for Macromolecular Chemistry , University of Freiburg , Stefan-Meier-Straße 31 , 79104 Freiburg , Germany.,Freiburg Materials Research Center (FMF) , University of Freiburg , Stefan-Meier-Straße 21 , 79104 Freiburg , Germany.,Freiburg Center for Interactive Materials and Bioinspired Technologies (FIT) , University of Freiburg , Georges-Köhler-Allee 105 , 79110 Freiburg , Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry , University of Bonn , Beringstraße 4 , 53115 Bonn , Germany
| | - Birgit Esser
- Institute for Organic Chemistry , University of Freiburg , Albertstraße 21 , 79104 Freiburg , Germany.,Freiburg Materials Research Center (FMF) , University of Freiburg , Stefan-Meier-Straße 21 , 79104 Freiburg , Germany
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14
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Nakamura Y, Matsumoto T, Sakazume Y, Murata J, Chang HC. Tuning the Mesomorphism and Redox Response of Anionic-Ligand-Based Mixed-Valent Nickel(II) Complexes by Alkyl-Substituted Quaternary Ammonium Cations. Chemistry 2018; 24:7398-7409. [PMID: 29504636 DOI: 10.1002/chem.201706006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Indexed: 01/01/2023]
Abstract
The combination of the redox-active mesogenic anion [NiII (Bdt)(BdtSQ)]- (Bdt=1,2-benzenedithiolato; BdtSQ=1,2-dithia-semi-benzoquinonato) with alkyl-substituted ammonium cations afforded a series of redox-active ionic complexes of the type [NR4 ][NiII (Bdt)(BdtSQ)] [R=nC16 H33 (NC164 Ni) and C8,10 (NC8,104 Ni); C8,10=6-octylhexadecyl] or [NMe2 R2 ][NiII (Bdt)(BdtSQ)] [R=nC16 H33 (NMe2 C162 Ni) and C8,10 (NMe2 C8,102 Ni)]. X-ray crystallographic analyses of NMe2 C162 Ni and NC164 Ni revealed the formation of cation-dependent integrated ionic layers separated by interdigittated alkyl chains. Complexes NMe2 C162 Ni and NC164 Ni commonly form crystalline phases at room temperature, whereas complexes NMe2 C8,102 Ni and NC8,104 Ni, which contain branched alkyl chains, form a metastable mesophase and an amorphous phase at the same temperature, respectively. Furthermore, complexes NMe2 C162 Ni, NMe2 C8,102 Ni, and NC164 Ni commonly form a smectic A phase (SmA) at 375, 317, and 342 K, respectively. For the four complexes, well-defined cyclic voltammetry responses, derived from ligand-based oxidation and reduction, were observed in solution and the condensed phases, that is, upon casting these complexes on an indium-doped tin oxide working electrode. The present study demonstrates the tunability of the mesomorphism of ionic molecular assemblies composed of alkyl-substituted quaternary ammonium cations, while maintaining the well-defined redox responses of the anions even in the condensed phases.
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Affiliation(s)
- Yuichi Nakamura
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Takeshi Matsumoto
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Yasutaka Sakazume
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Junnosuke Murata
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
| | - Ho-Chol Chang
- Department of Applied Chemistry, Faculty of Science and Engineering, Chuo University, 1-13-27 Kasuga, Bunkyo-ku, Tokyo, 112-8551, Japan
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15
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Yamamoto Y, Yoshida M, Morii T, Nishida JI, Kitamura C, Kawase T. Synthesis and Properties of a Decacyclene Monoimide and a Naphthalimide Derivative as Three-Dimensional Acceptor-Donor-Acceptor Systems. Chem Asian J 2018; 13:790-798. [DOI: 10.1002/asia.201701668] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 02/01/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Yuma Yamamoto
- Graduate School of Engineering; University of Hyogo; 2167 Shosha Himeji Hyogo 671-2280 Japan
| | - Miu Yoshida
- Graduate School of Engineering; University of Hyogo; 2167 Shosha Himeji Hyogo 671-2280 Japan
| | - Takuya Morii
- Graduate School of Engineering; University of Hyogo; 2167 Shosha Himeji Hyogo 671-2280 Japan
| | - Jun-ichi Nishida
- Graduate School of Engineering; University of Hyogo; 2167 Shosha Himeji Hyogo 671-2280 Japan
| | - Chitoshi Kitamura
- School of Engineering; University of Shiga Prefecture; 2500 Hassaka-cho Hikone Shiga 522-8533 Japan
| | - Takeshi Kawase
- Graduate School of Engineering; University of Hyogo; 2167 Shosha Himeji Hyogo 671-2280 Japan
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16
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The sensitivity of donor - acceptor charge transfer to molecular geometry in DAN - NDI based supramolecular flower-like self-assemblies. Sci Rep 2017; 7:16501. [PMID: 29184066 PMCID: PMC5705657 DOI: 10.1038/s41598-017-15599-9] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Accepted: 10/30/2017] [Indexed: 01/22/2023] Open
Abstract
A charge-transfer (CT) complex self-assembled from an electron acceptor (NDI-EA: naphthalene diimide with appended diamine) and an electron donor (DAN: phosphonic acid-appended dialkoxynapthalene) in aqueous medium. The aromatic core of the NDI and the structure of DAN1 were designed to optimize the dispersive interactions (π-π and van der Waals interactions) in the DAN1–NDI-EA self-assembly, while the amino groups of NDI also interact with the phosphonic acid of DAN1 via electrostatic forces. This arrangement prevented crystallization and favored the directional growth of 3D flower nanostructures. This molecular geometry that is necessary for charge transfer to occur was further evidenced by using a mismatching DAN2 structure. The flower-shaped assembly was visualized by scanning electron and transmission electron microscopy. The formation of the CT complex was determined by UV-vis and cyclic voltammetry and the photoinduced electron transfer to produce the radical ion pair was examined by femtosecond laser transient absorption spectroscopic measurements.
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17
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Barendt TA, Ferreira L, Marques I, Félix V, Beer PD. Anion- and Solvent-Induced Rotary Dynamics and Sensing in a Perylene Diimide [3]Catenane. J Am Chem Soc 2017; 139:9026-9037. [DOI: 10.1021/jacs.7b04295] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Timothy A. Barendt
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
| | | | | | | | - Paul D. Beer
- Chemistry
Research Laboratory, Department of Chemistry, University of Oxford, 12 Mansfield Road, Oxford OX1 3TA, United Kingdom
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18
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Maier JM, Li P, Vik EC, Yehl CJ, Strickland SMS, Shimizu KD. Measurement of Solvent OH−π Interactions Using a Molecular Balance. J Am Chem Soc 2017; 139:6550-6553. [DOI: 10.1021/jacs.7b02349] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Josef M. Maier
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Ping Li
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Erik C. Vik
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Christopher J. Yehl
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
| | - Sharon M. S. Strickland
- Department
of Biology, Chemistry, and Physics, Converse College, Spartanburg, South Carolina 29302, United States
| | - Ken D. Shimizu
- Department
of Chemistry and Biochemistry, University of South Carolina, Columbia, South Carolina 29208, United States
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19
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Kawajiri I, Nagahara M, Ishikawa H, Yamamoto Y, Nishida JI, Kitamura C, Kawase T. π-Extended fluoranthene imide derivatives: synthesis, structures, and electronic and optical properties. CAN J CHEM 2017. [DOI: 10.1139/cjc-2016-0488] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Diels–Alder reactions of acenaphthylene-5,6-dicarboximide (AI) derivatives with the corresponding dienes afforded some derivatives of π-extended fluoranthene imide, namely N-(2-ethylhexyl)-7,10-diphenylfluoranthene imide (DPFI) and N-(2-ethylhexyl)-7,8,9,10-tetraphenylfluoranthene imide (TPFI), N-(n-octyl)-benzo[k]fluoranthene imide (BFI), and N-(n-octyl)-naphtho[k]fluoranthene imide (NFI). Molecular structures of TPFI and BFI reveal that the core π-skeletons have a highly planar structure, and the molecules form a dimeric structure in the crystals. The absorption spectra exhibit bathochromic shift with π-extension of the core π-skeletons. On the other hand, DPFI and TPFI show the long-wavelength emission related to BFI, probably due to π-extension toward the phenyl substituents in the excited states. BFI and NFI exhibited an interesting concentration-dependent 1H-NMR behavior in CDCl3, suggesting self-aggregation formation. Moreover, BFI and NFI show moderate and remarkable solvatofluorochromism in solutions (BFI for ΔλEM = 67 nm, NFI for ΔλEM = 116 nm), respectively, while DPFI and TPFI show weak solvatofluorochromism. The density functional theory calculations demonstrate that the considerable spatial separation between the HOMO and LUMO coefficients in the NFI molecule. The result indicates that the ground-to-excited state transition of NFI should have intramolecular charge transfer (ICT) character.
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Affiliation(s)
- Ikumi Kawajiri
- Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
| | - Masaya Nagahara
- Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
| | - Hiroyuki Ishikawa
- Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
| | - Yuma Yamamoto
- Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
| | - Jun-ichi Nishida
- Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
| | - Chitoshi Kitamura
- School of Engineering, The University of Shiga Prefecture, 2500, Hassaka-cho, Hikone, Shiga 522-8533, Japan
| | - Takeshi Kawase
- Graduate School of Engineering, University of Hyogo, 2167 Shosha, Himeji, Hyogo 671-2280, Japan
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August DP, Nichol GS, Lusby PJ. Maximizing Coordination Capsule-Guest Polar Interactions in Apolar Solvents Reveals Significant Binding. Angew Chem Int Ed Engl 2016; 55:15022-15026. [PMID: 27809382 DOI: 10.1002/anie.201608229] [Citation(s) in RCA: 124] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 09/09/2016] [Indexed: 12/19/2022]
Abstract
Guest encapsulation underpins the functional properties of self-assembled capsules yet identifying systems capable of strongly binding small organic molecules in solution remains a challenge. Most coordination capsules rely on the hydrophobic effect to ensure effective solution-phase association. In contrast, we show that using non-interacting anions in apolar solvents can maximize favorable interactions between a cationic Pd2 L4 host and charge-neutral guests resulting in a dramatic increase in binding strength. With quinone-type guests, association constants in excess of 108 m-1 were observed, comparable to the highest previously recorded constant for a metallosupramolecular capsule. Modulation of optoelectronic properties of the guests was also observed, with encapsulation either changing or switching-on luminescence not present in the bulk phase.
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Affiliation(s)
- David P August
- EaStCHEM School of Chemistry, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, UK
| | - Gary S Nichol
- EaStCHEM School of Chemistry, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, UK
| | - Paul J Lusby
- EaStCHEM School of Chemistry, Joseph Black Building, David Brewster Road, Edinburgh, EH9 3FJ, UK
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August DP, Nichol GS, Lusby PJ. Maximizing Coordination Capsule-Guest Polar Interactions in Apolar Solvents Reveals Significant Binding. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201608229] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- David P. August
- EaStCHEM School of Chemistry; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Gary S. Nichol
- EaStCHEM School of Chemistry; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
| | - Paul J. Lusby
- EaStCHEM School of Chemistry; Joseph Black Building; David Brewster Road Edinburgh EH9 3FJ UK
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Al Kobaisi M, Bhosale SV, Latham K, Raynor AM, Bhosale SV. Functional Naphthalene Diimides: Synthesis, Properties, and Applications. Chem Rev 2016; 116:11685-11796. [DOI: 10.1021/acs.chemrev.6b00160] [Citation(s) in RCA: 557] [Impact Index Per Article: 69.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Mohammad Al Kobaisi
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
| | - Sidhanath V. Bhosale
- Polymers
and Functional Materials Division, CSIR-Indian Institute of Chemical Technology
, Hyderabad, Telangana-500007, India
| | - Kay Latham
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
| | - Aaron M. Raynor
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
| | - Sheshanath V. Bhosale
- School
of Applied Sciences, RMIT University
, GPO Box 2476, Melbourne, Victoria
3001, Australia
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Basak S, Nandi N, Bhattacharyya K, Datta A, Banerjee A. Fluorescence from an H-aggregated naphthalenediimide based peptide: photophysical and computational investigation of this rare phenomenon. Phys Chem Chem Phys 2016; 17:30398-403. [PMID: 26508537 DOI: 10.1039/c5cp05236j] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Fluorescence associated with J-aggregated naphthalenediimides (NDIs) is common. However, in this study an NDI based synthetic peptide molecule is found to form a fluorescent H-aggregate in a chloroform (CHCl3)-methylcyclohexane (MCH) mixture. An attempt has been made to explain the unusual fluorescence property of this H-aggregated NDI derivative. Time correlated single photon counting (TCSPC) shows that the average lifetime of the NDI based molecule is on the order of a few nanoseconds. It is revealed from the computational study that the transition from the second exited state (S2) to the ground energy state (S0) is responsible for the fluorescence as S1 is a dark state. Such rare violation of Kasha's rule accounts for the unusual fluorescence properties of this type of NDI molecule in the H-aggregated state.
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Affiliation(s)
- Shibaji Basak
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Nibedita Nandi
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Kalishankar Bhattacharyya
- Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Ayan Datta
- Department of Spectroscopy, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
| | - Arindam Banerjee
- Department of Biological Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata - 700 032, India.
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Sikder A, Ghosh B, Chakraborty S, Paul A, Ghosh S. Rational Design for Complementary Donor-Acceptor Recognition Pairs Using Self-Complementary Hydrogen Bonds. Chemistry 2015; 22:1908-1913. [DOI: 10.1002/chem.201504092] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Indexed: 12/29/2022]
Affiliation(s)
- Amrita Sikder
- Polymer Science Unit; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Kolkata- 700032 India
| | - Boyli Ghosh
- Raman Center for Atomic, Molecular and Optical Sciences; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Kolkata 700032 India
| | - Saptarshi Chakraborty
- Polymer Science Unit; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Kolkata- 700032 India
| | - Ankan Paul
- Raman Center for Atomic, Molecular and Optical Sciences; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Kolkata 700032 India
| | - Suhrit Ghosh
- Polymer Science Unit; Indian Association for the Cultivation of Science; 2A & 2B Raja S. C. Mullick Road Kolkata- 700032 India
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25
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Prentice GM, Emmett LM, Zhu H, Kociok-Köhn G, Pantoș GD. Thermally stable recyclable naphthalenediimide–siloxane polymers. Supramol Chem 2015. [DOI: 10.1080/10610278.2015.1117085] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
| | | | - Henghua Zhu
- Department of Chemistry, University of Bath, Bath, UK
| | | | - G. Dan Pantoș
- Department of Chemistry, University of Bath, Bath, UK
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