1
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Ghosh R, Singh B, Basu S, Mondal A, Maiti PK, De M. Reversing the Trend: Deciphering Self-Assembly of Unconventional Amphiphiles Having Both Alkyl-Chain and PEG. Chempluschem 2024; 89:e202400147. [PMID: 38623044 DOI: 10.1002/cplu.202400147] [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] [Revised: 04/15/2024] [Accepted: 04/15/2024] [Indexed: 04/17/2024]
Abstract
In the field of molecular self-assembly, the core of an assembly is always made up of hydrophobic moiety like a long alkyl chain, whereas the outer part has always been a hydrophilic moiety such as poly(ethylene glycol) (PEG), or charged species. Hence, reversing the trend to manifest self-assembled structures with a PEG core and a surface consisting of alkyl chains in aqueous system is incredibly challenging. Herein, we architected a unique class of cationic bolaamphiphiles containing low molecular weight PEG and alkyl chains of different lengths. The bolaamphiphiles spontaneously form vesicles without external stimuli. These vesicles are unprecedented because PEG makes up the vesicle core, while the alkyl chains appear on the vesicles' exterior. Hence, this particular design reverses the usual trend of self-assembly formation. The vesicle size increases with the increase in alkyl chain-length. To our great surprise, we obtained large micelles for longest alkyl-chain amphiphile, which in turn act as a gemini amphiphile. The shift from a particular bolaamphiphile to gemini amphiphile with the variation of alkyl chain is also unexplored. Therefore, this specific class of self-assembled structure would compound a new paradigm in molecular self-assembly and supramolecular chemistry.
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Affiliation(s)
- Rita Ghosh
- Department of Organic Chemistry, Indian Institute of Science, Bengaluru, 560012, India
| | - Bharat Singh
- Department of Physics, Indian Institute of Science, Bengaluru, 560012, India
| | - Subhadip Basu
- Department of Physics, Indian Institute of Science, Bengaluru, 560012, India
| | - Avijit Mondal
- Department of Organic Chemistry, Indian Institute of Science, Bengaluru, 560012, India
| | - Prabal Kumar Maiti
- Department of Physics, Indian Institute of Science, Bengaluru, 560012, India
| | - Mrinmoy De
- Department of Organic Chemistry, Indian Institute of Science, Bengaluru, 560012, India
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2
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Jozeliu̅naitė A, Neniškis A, Bertran A, Bowen AM, Di Valentin M, Raišys S, Baronas P, Kazlauskas K, Vilčiauskas L, Orentas E. Fullerene Complexation in a Hydrogen-Bonded Porphyrin Receptor via Induced-Fit: Cooperative Action of Tautomerization and C-H···π Interactions. J Am Chem Soc 2022; 145:455-464. [PMID: 36546690 PMCID: PMC9837862 DOI: 10.1021/jacs.2c10668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
A supramolecular chiral hydrogen-bonded tetrameric aggregate possessing a large cavity and tetraarylporphyrin substituents was assembled using alternating 4H- and 2H-bonds between ureidopyrimidinone and isocytosine units, respectively. The aggregation mode was rationally shifted from social to narcissistic self-sorting by changing urea substituent size only. The H-bonded tetramer forms a strong complex with C60 guest, at the same time undergoing remarkable structural changes. Namely, the cavity adjusts to the guest via keto-to-enol tautomerization of the ureidopyrimidinone unit and as a result, porphyrin substituents move apart from each other in a scissor blade-like opening fashion. The rearrangement is accompanied by C-H···π interaction between the alkyl solubilizing groups and the nearby placed porphyrin π-systems. The latter interaction was found to be crucial for the guest complexation event, providing energetic compensation for otherwise costly tautomerization. We showed that only the systems possessing sufficiently long alkyl chains capable of interacting with a porphyrin ring are able to form a complex with C60. The structural rearrangement of the tetramer was quantitatively characterized by electron paramagnetic resonance pulsed dipolar spectroscopy measurements using photogenerated triplets of porphyrin and C60 as spin probes. Further exploring the C-H···π interaction as a decisive element for the C60 recognition, we investigated the guest-induced self-sorting phenomenon using scrambled tetramer assemblies composed of two types of monomers possessing alkyl chains of different lengths. The presence of the fullerene guest has enabled the selective scavenging of monomers capable of C-H···π interaction to form homo-tetrameric aggregates.
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Affiliation(s)
| | - Algirdas Neniškis
- Institute
of Chemistry, Vilnius University, LT-03225 Vilnius, Lithuania
| | - Arnau Bertran
- Centre
for Advanced Electron Spin Resonance and Inorganic Chemistry Laboratory,
Department of Chemistry, University of Oxford, OX1 3QR Oxford, United Kingdom
| | - Alice M. Bowen
- Department
of Chemistry, Photon Science Institute and The National EPR Research
Facility, The University of Manchester, Manchester M13 9PL, United Kingdom
| | - Marilena Di Valentin
- Department
of Chemical Sciences, University of Padova, 35131 Padova, Italy,Centro
Interdipartimentale di Ricerca “Centro Studi di Economia e
Tecnica dell’energia Giorgio Levi Cases”, 35131 Padova, Italy
| | - Steponas Raišys
- Institute
of Photonics and Nanotechnology, Vilnius
University, Saulėtekio
av. 3, LT-10257 Vilnius, Lithuania
| | - Paulius Baronas
- Institute
of Photonics and Nanotechnology, Vilnius
University, Saulėtekio
av. 3, LT-10257 Vilnius, Lithuania
| | - Karolis Kazlauskas
- Institute
of Photonics and Nanotechnology, Vilnius
University, Saulėtekio
av. 3, LT-10257 Vilnius, Lithuania
| | - Linas Vilčiauskas
- Institute
of Chemistry, Vilnius University, LT-03225 Vilnius, Lithuania,Center
for Physical Sciences and Technology (FTMC), Saulėtekio al. 3, LT-10257 Vilnius, Lithuania
| | - Edvinas Orentas
- Institute
of Chemistry, Vilnius University, LT-03225 Vilnius, Lithuania,
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3
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Ibáñez S. The New Di-Gold Metallotweezer Based on an Alkynylpyridine System. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27123699. [PMID: 35744825 PMCID: PMC9227567 DOI: 10.3390/molecules27123699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022]
Abstract
We developed a simple method to prepare one gold-based metallotweezer with two planar Au-pyrene-NHC arms bound by a 2,6-bis(3-ethynyl-5-tert-butylphenyl)pyridine unit. This metallotweezer is able to bind a series of polycyclic aromatic hydrocarbons through the π-stacking interactions between the polyaromatic guests and the pyrene moieties of the NHC ligands. The metallotweezer was also used as a host for the encapsulation of planar metal complexes, such as the Au(III) complex [Au(C^N^C)(C≡CC6H4-OCH3-p)], for which there is a large binding constant of 946 M−1.
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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, 12071 Castellón, Spain
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4
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Piskorz TK, Martí-Centelles V, Young TA, Lusby PJ, Duarte F. Computational Modeling of Supramolecular Metallo-organic Cages-Challenges and Opportunities. ACS Catal 2022; 12:5806-5826. [PMID: 35633896 PMCID: PMC9127791 DOI: 10.1021/acscatal.2c00837] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/09/2022] [Indexed: 01/18/2023]
Abstract
Self-assembled metallo-organic cages have emerged as promising biomimetic platforms that can encapsulate whole substrates akin to an enzyme active site. Extensive experimental work has enabled access to a variety of structures, with a few notable examples showing catalytic behavior. However, computational investigations of metallo-organic cages are scarce, not least due to the challenges associated with their modeling and the lack of accurate and efficient protocols to evaluate these systems. In this review, we discuss key molecular principles governing the design of functional metallo-organic cages, from the assembly of building blocks through binding and catalysis. For each of these processes, computational protocols will be reviewed, considering their inherent strengths and weaknesses. We will demonstrate that while each approach may have its own specific pitfalls, they can be a powerful tool for rationalizing experimental observables and to guide synthetic efforts. To illustrate this point, we present several examples where modeling has helped to elucidate fundamental principles behind molecular recognition and reactivity. We highlight the importance of combining computational and experimental efforts to speed up supramolecular catalyst design while reducing time and resources.
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Affiliation(s)
- Tomasz K. Piskorz
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, United
Kingdom
| | - Vicente Martí-Centelles
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM), Universitat
Politècnica de València, Universitat de València, Valencia 46022, Spain
| | - Tom A. Young
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, United
Kingdom
| | - Paul J. Lusby
- EaStCHEM
School of Chemistry, University of Edinburgh, Joseph Black Building, David Brewster
Road, Edinburgh, Scotland EH9 3FJ, United Kingdom
| | - Fernanda Duarte
- Chemistry
Research Laboratory, University of Oxford, Mansfield Road, Oxford OX1 3TA, United
Kingdom
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5
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Zhan YY, Hiraoka S. Molecular “Hozo”: Thermally Stable Yet Conformationally Flexible Self-Assemblies Driven by Tight Molecular Meshing. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yi-Yang Zhan
- RIKEN Center for Emergent Matter Science, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Shuichi Hiraoka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
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6
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Vicent C, Martinez‐Agramunt V, Gandhi V, Larriba‐Andaluz C, Gusev DG, Peris E. Ion Mobility Mass Spectrometry Uncovers Guest‐Induced Distortions in a Supramolecular Organometallic Metallosquare. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100914] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Cristian Vicent
- Servei Central d'Instrumentació Científica (SCIC) Universitat Jaume I Avda. Sos Baynat s/n 12006 Castellón Spain
| | - Victor Martinez‐Agramunt
- Institute of Advanced Materials (INAM) Universitat Jaume I Av. Vicente Sos Baynat s/n 12071 Castellón Spain
| | - Viraj Gandhi
- Department of Mechanical and Energy Engineering IUPUI Indianapolis IN 46206 USA
| | | | - Dmitry G. Gusev
- Department of Chemistry and Biochemistry Wilfrid Laurier University 75 University Avenue West Waterloo Ontario N2L 3C5 Canada
| | - Eduardo Peris
- Institute of Advanced Materials (INAM) Universitat Jaume I Av. Vicente Sos Baynat s/n 12071 Castellón Spain
- Department of Mechanical and Energy Engineering IUPUI Indianapolis IN 46206 USA
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7
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Vicent C, Martinez‐Agramunt V, Gandhi V, Larriba‐Andaluz C, Gusev DG, Peris E. Ion Mobility Mass Spectrometry Uncovers Guest-Induced Distortions in a Supramolecular Organometallic Metallosquare. Angew Chem Int Ed Engl 2021; 60:15412-15417. [PMID: 33783064 PMCID: PMC8361979 DOI: 10.1002/anie.202100914] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Indexed: 12/21/2022]
Abstract
The encapsulation of the tetracationic palladium metallosquare with four pyrene-bis-imidazolylidene ligands [1]4+ with a series of organic molecules was studied by Electrospray ionization Travelling Wave Ion-Mobility Mass Spectrometry (ESI TWIM-MS). The method allowed to determine the Collision Cross Sections (CCSs), which were used to assess the size changes experienced by the host upon encapsulation of the guest molecules. When fullerenes were used as guests, the host is expanded ΔCCS 13 Å2 and 23 Å2 , for C60 or C70 , respectively. The metallorectangle [1]4+ was also used for the encapsulation of a series of polycyclic aromatic hydrocarbons (PAHs) and naphthalenetetracarboxylic diimide (NTCDI), to form complexes of formula [(NTCDI)2 (PAH)@1]4+ . For these host:guest adducts, the ESI IM-MS studies revealed that [1]4+ is expanded by 47-49 Å2 .. The energy-minimized structures of [1]4+ , [C60 @1]4+ , [C70 @1]4+ , [(NTCDI)2 (corannulene)@1]4+ in the gas phase were obtained by DFT calculations.Introduction.
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Affiliation(s)
- Cristian Vicent
- Servei Central d'Instrumentació Científica (SCIC)Universitat Jaume IAvda. Sos Baynat s/n12006CastellónSpain
| | - Victor Martinez‐Agramunt
- Institute of Advanced Materials (INAM)Universitat Jaume IAv. Vicente Sos Baynat s/n12071CastellónSpain
| | - Viraj Gandhi
- Department of Mechanical and Energy EngineeringIUPUIIndianapolisIN46206USA
| | | | - Dmitry G. Gusev
- Department of Chemistry and BiochemistryWilfrid Laurier University75 University Avenue WestWaterlooOntarioN2L 3C5Canada
| | - Eduardo Peris
- Institute of Advanced Materials (INAM)Universitat Jaume IAv. Vicente Sos Baynat s/n12071CastellónSpain
- Department of Mechanical and Energy EngineeringIUPUIIndianapolisIN46206USA
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8
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Ibáñez S, Peris E. Shape-Adaptability and Redox-Switching Properties of a Di-Gold Metallotweezer. Chemistry 2021; 27:9661-9665. [PMID: 33844341 PMCID: PMC8362111 DOI: 10.1002/chem.202100794] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Indexed: 12/24/2022]
Abstract
The use of a carbazolyl-connected di-gold(I) metallotweezer for the encapsulation of several electron-poor organic substrates, and a planar Au(III) complex containing a CNC pincer ligand, is described. The binding affinity of the receptor depends on the electron-deficient character of the planar guest, with larger association constants found for the more electron-poor guests. The X-ray diffraction molecular structures of two host:guest adducts show that the host approaches its arms in order to facilitate the optimum interaction with the surface of the planar guests, in a clear example of an guest-induced fit conformational arrangement. The electrochemical studies of the encapsulation of N,N'-dimethyl-naphthalenetetracarboxy diimide (NTCDI) show that the redox active guest is released from the receptor upon one electron reduction, thus constituting an example of redox-switchable binding.
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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/nCastellón1271Spain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM), Centro de Innovación en Química Avanzada (ORFEO-CINQA).Universitat Jaume I.Av. Vicente Sos Baynat s/nCastellón1271Spain
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9
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Tsuchida Y, Aratsu K, Hiraoka S, Yoshizawa M. An Aromatic Oligomer Micelle: Large Enthalpic Stabilization and Selective Oligothiophene Uptake. Angew Chem Int Ed Engl 2021; 60:12754-12758. [PMID: 33773001 DOI: 10.1002/anie.202101453] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2021] [Revised: 03/24/2021] [Indexed: 11/06/2022]
Abstract
An aromatic oligomer micelle, featuring both high stability and high uptake ability, was quantitatively formed in water from amphiphilic oligomers, composed of three bent polyaromatic amphiphiles connected alternately by two hydrophilic chains. The well-defined micelle, with a diameter of ca. 2 nm, remains intact even under highly diluted conditions (ca. 3 μM) and at elevated temperature (>130 °C), due to the polyaromatic chelate effect. The thermodynamic studies reveal that large enthalpic gain (ΔH=-110 kJ mol-1 ) is the key for the micelle formation. The oligomer micelle selectively encapsulates unsubstituted oligothiophenes (≥4-mer) to a high degree and the resultant, aqueous host-guest complexes display unusual emission derived from the multiply stacked oligomers. Furthermore, facile uptake and release of unsubstituted polythiophenes can be achieved using the oligomer micelle.
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Affiliation(s)
- Yamato Tsuchida
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Keisuke Aratsu
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Shuichi Hiraoka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Michito Yoshizawa
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
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10
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Tsuchida Y, Aratsu K, Hiraoka S, Yoshizawa M. An Aromatic Oligomer Micelle: Large Enthalpic Stabilization and Selective Oligothiophene Uptake. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202101453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yamato Tsuchida
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Keisuke Aratsu
- Department of Basic Science Graduate School of Arts and Sciences The University of Tokyo 3-8-1 Komaba, Meguro-ku Tokyo 153-8902 Japan
| | - Shuichi Hiraoka
- Department of Basic Science Graduate School of Arts and Sciences The University of Tokyo 3-8-1 Komaba, Meguro-ku Tokyo 153-8902 Japan
| | - Michito Yoshizawa
- Laboratory for Chemistry and Life Science Institute of Innovative Research Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
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11
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Cheng PM, Cai LX, Li SC, Hu SJ, Yan DN, Zhou LP, Sun QF. Guest-Reaction Driven Cage to Conjoined Twin-Cage Mitosis-Like Host Transformation. Angew Chem Int Ed Engl 2020; 59:23569-23573. [PMID: 32902925 DOI: 10.1002/anie.202011474] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Indexed: 12/12/2022]
Abstract
We report here a guest-reaction-induced mitosis-like host transformation from a known Pd4 L2 cage 1 to a conjoined Pd6 L3 twin-cage 2 featuring two separate cavities. The encapsulation of 1-hydroxymethyl-2-naphthol (G1), a known ortho-quinone methide (o-QMs) precursor, within the hydrophobic cavity of cage 1 is found crucial to realize the cage to twin-cage conversion. Confined G1 molecules within the nanocavity undergo self-coupling dimerization reaction to form 2,2'-dihydroxy-1,1'-dinaphthylmethane (G2) which then triggers the cage to twin-cage mitosis. The same conversion also proceeds, in a much faster rate, via the direct templation of G2, confirming the induced-fit transformation mechanism. The structure of the (G2)2 ⊂2 host-guest complex has been established by X-ray crystallographic study, where cis- to trans- conformational switch on one bridging ligand is revealed.
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Affiliation(s)
- Pei-Ming Cheng
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China.,College of Chemistry and Material Science, Fujian Normal University, Fuzhou, 350007, PR China
| | - Li-Xuan Cai
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China
| | - Shao-Chuan Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China.,University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Shao-Jun Hu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China.,University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Dan-Ni Yan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China.,University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Li-Peng Zhou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China
| | - Qing-Fu Sun
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, 350002, PR China.,University of Chinese Academy of Sciences, Beijing, 100049, PR China
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12
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Cheng P, Cai L, Li S, Hu S, Yan D, Zhou L, Sun Q. Guest‐Reaction Driven Cage to Conjoined Twin‐Cage Mitosis‐Like Host Transformation. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202011474] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Pei‐Ming Cheng
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
- College of Chemistry and Material Science Fujian Normal University Fuzhou 350007 PR China
| | - Li‐Xuan Cai
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
| | - Shao‐Chuan Li
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
- University of Chinese Academy of Sciences Beijing 100049 PR China
| | - Shao‐Jun Hu
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
- University of Chinese Academy of Sciences Beijing 100049 PR China
| | - Dan‐Ni Yan
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
- University of Chinese Academy of Sciences Beijing 100049 PR China
| | - Li‐Peng Zhou
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
| | - Qing‐Fu Sun
- State Key Laboratory of Structural Chemistry Fujian Institute of Research on the Structure of Matter Chinese Academy of Sciences Fuzhou 350002 PR China
- University of Chinese Academy of Sciences Beijing 100049 PR China
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13
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Ibáñez S, Peris E. Dimensional Matching versus Induced‐Fit Distortions: Binding Affinities of Planar and Curved Polyaromatic Hydrocarbons with a Tetragold Metallorectangle. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915401] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Susana Ibáñez
- Institute of Advanced Materials (INAM)Universitat Jaume I Av. Vicente Sos Baynat s/n. 12071 Castellón Spain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM)Universitat Jaume I Av. Vicente Sos Baynat s/n. 12071 Castellón Spain
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14
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Ibáñez S, Peris E. Dimensional Matching versus Induced-Fit Distortions: Binding Affinities of Planar and Curved Polyaromatic Hydrocarbons with a Tetragold Metallorectangle. Angew Chem Int Ed Engl 2020; 59:6860-6865. [PMID: 32053282 DOI: 10.1002/anie.201915401] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Revised: 01/24/2020] [Indexed: 11/07/2022]
Abstract
A tetragold(I) rectangle-like metallocage containing two pyrene-bis-imidazolylidene ligands and two carbazolyl-bis-alkynyl linkers is used for the encapsulation of a series of polycyclic aromatic hydrocarbons (PAHs), including corannulene. The binding affinities obtained for the encapsulation of the planar PAHs guests in CD2 Cl2 are found to exponentially increase with the number of π-electrons of the guest (1.3 > logK >6.6). For the bowl-shaped molecule of corannulene, the association constant is much lower than the expected one according to its number of electrons. The molecular structure of the host-guest complex formed with corannulene shows that the molecule of the guest is compressed, while the host is expanded, thus showing an interesting case of artificial mutual induced-fit arrangement.
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Affiliation(s)
- Susana Ibáñez
- Institute of Advanced Materials (INAM), Universitat Jaume I, Av. Vicente Sos Baynat s/n., 12071, Castellón, Spain
| | - Eduardo Peris
- Institute of Advanced Materials (INAM), Universitat Jaume I, Av. Vicente Sos Baynat s/n., 12071, Castellón, Spain
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15
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Mboyi CD, Daher A, Khirzada N, Devillers CH, Cattey H, Fleurat-Lessard P, Roger J, Hierso JC. Synthesis and structural characterisation of bulky heptaaromatic (hetero)aryl o-substituted s-aryltetrazines. NEW J CHEM 2020. [DOI: 10.1039/d0nj02338h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Hexaphenylbenzene analogs with an electron-poor tetrazine core are synthesized in two high-yield steps from diphenyl-s-tetrazine. Crystal packing of these unique non-planar heptaaromatics is analyzed in details.
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Affiliation(s)
- Clève D. Mboyi
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Ahmad Daher
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Neelab Khirzada
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Charles H. Devillers
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Hélène Cattey
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Paul Fleurat-Lessard
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Julien Roger
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
| | - Jean-Cyrille Hierso
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB UMR-CNRS 6302)
- Université de Bourgogne Franche-Comté (UBFC)
- 21078 Dijon
- France
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16
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Zhan YY, Jiang QC, Ishii K, Koide T, Kobayashi O, Kojima T, Takahashi S, Tachikawa M, Uchiyama S, Hiraoka S. Polarizability and isotope effects on dispersion interactions in water. Commun Chem 2019. [DOI: 10.1038/s42004-019-0242-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
AbstractTrue understanding of dispersion interaction in solution remains elusive because of difficulty in the precise evaluation of its interaction energy. Here, the effect of substituents with different polarizability on dispersion interactions in water is discussed based on the thermodynamic parameters determined by isothermal titration calorimetry for the formation of discrete aggregates from gear-shaped amphiphiles (GSAs). The substituents with higher polarizability enthalpically more stabilize the nanocube, which is due to stronger dispersion interactions and to the hydrophobic effect. The differences in the thermodynamic parameters for the nanocubes from the GSAs with CH3 and CD3 groups are also discussed to lead to the conclusion that the H/D isotope effect on dispersion interactions is negligibly small, which is due to almost perfect entropy-enthalpy compensation between the two isotopomers.
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17
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Sakata Y, Tamiya M, Okada M, Akine S. Switching of Recognition First and Reaction First Mechanisms in Host–Guest Binding Associated with Chemical Reactions. J Am Chem Soc 2019; 141:15597-15604. [DOI: 10.1021/jacs.9b06926] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yoko Sakata
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University Kakuma-machi, Kanazawa 920-1192, Japan
| | - Munehiro Tamiya
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Masahiro Okada
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Shigehisa Akine
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University Kakuma-machi, Kanazawa 920-1192, Japan
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18
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Mashiko T, Hiraoka S, Nagashima U, Tachikawa M. Molecular Dynamics Study on Dynamical Features of Reorganization Process for Nanocapsule Formed with Gear-Shaped Amphiphile Molecules. J Phys Chem B 2019; 123:5176-5180. [PMID: 31137932 DOI: 10.1021/acs.jpcb.9b02156] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
We have analyzed the dynamical feature of a hexameric structure of nanocube (16) from a gear-shaped amphiphile molecule (1) upon addition of solvophobic spherical adamantane molecule (G), by means of molecular dynamics (MD) simulation, to elucidate the conversion mechanism from the hexameric nanocube G@16 to a tetrameric G@14 tetrahedron. The adamantane molecule (G) in the nanocube G@16 is located around the triple π stacking, although G in the G@14 tetrahedron is at the central position of the capsule. Our MD simulation shows that the nanocube G@16 is more fluctuated than the G@14 tetrahedron. We have also found that a demethylated nanocube G@26 is converted to a tetrameric G@23 tetrahedron due to the solvophobic effect for the adamantane molecule.
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Affiliation(s)
- Takako Mashiko
- Quantum Chemistry Division, Graduate School of NanoBioScience , Yokohama City University , 22-2 Seto , Kanazawa-ku, Yokohama-city , Kanagawa 236-0027 , Japan
| | - Shuichi Hiraoka
- Department of Basic Science, Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro-ku , Tokyo 153-8902 , Japan
| | - Umpei Nagashima
- Foundation for Computational Science , 7-1-28 Monatojimaminami-cho , Chuo-ku, Kobe-shi , Hyogo 650-0047 , Japan
| | - Masanori Tachikawa
- Quantum Chemistry Division, Graduate School of NanoBioScience , Yokohama City University , 22-2 Seto , Kanazawa-ku, Yokohama-city , Kanagawa 236-0027 , Japan
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19
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Zeng H, Xie M, Huang Y, Zhao Y, Xie X, Bai J, Wan M, Krishna R, Lu W, Li D. Induced Fit of C
2
H
2
in a Flexible MOF Through Cooperative Action of Open Metal Sites. Angew Chem Int Ed Engl 2019; 58:8515-8519. [DOI: 10.1002/anie.201904160] [Citation(s) in RCA: 143] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Indexed: 12/27/2022]
Affiliation(s)
- Heng Zeng
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Mo Xie
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Yong‐Liang Huang
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Yifang Zhao
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Xiao‐Jing Xie
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Jian‐Ping Bai
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Meng‐Yan Wan
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Rajamani Krishna
- Van't Hoff Institute for Molecular SciencesUniversity of Amsterdam Science Park 904 1098 XH Amsterdam The Netherlands
| | - Weigang Lu
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Dan Li
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
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20
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Nishioka T, Kuroda K, Akita M, Yoshizawa M. A Polyaromatic Gemini Amphiphile That Assembles into a Well‐Defined Aromatic Micelle with Higher Stability and Host Functions. Angew Chem Int Ed Engl 2019; 58:6579-6583. [DOI: 10.1002/anie.201814624] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/28/2019] [Indexed: 12/28/2022]
Affiliation(s)
- Tomoya Nishioka
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Kiyonori Kuroda
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Munetaka Akita
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Michito Yoshizawa
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
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21
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Zeng H, Xie M, Huang Y, Zhao Y, Xie X, Bai J, Wan M, Krishna R, Lu W, Li D. Induced Fit of C
2
H
2
in a Flexible MOF Through Cooperative Action of Open Metal Sites. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201904160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Heng Zeng
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Mo Xie
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Yong‐Liang Huang
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Yifang Zhao
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Xiao‐Jing Xie
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Jian‐Ping Bai
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Meng‐Yan Wan
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Rajamani Krishna
- Van't Hoff Institute for Molecular SciencesUniversity of Amsterdam Science Park 904 1098 XH Amsterdam The Netherlands
| | - Weigang Lu
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
| | - Dan Li
- College of Chemistry and Materials ScienceJinan University Guangzhou 510632 P. R. China
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22
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Nishioka T, Kuroda K, Akita M, Yoshizawa M. A Polyaromatic Gemini Amphiphile That Assembles into a Well‐Defined Aromatic Micelle with Higher Stability and Host Functions. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814624] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Tomoya Nishioka
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Kiyonori Kuroda
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Munetaka Akita
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Michito Yoshizawa
- Laboratory for Chemistry and Life ScienceInstitute of Innovative ResearchTokyo Institute of Technology 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
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23
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24
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Adamantane template effect on the self-assembly of a molecular tetrahedron: A theoretical analysis. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.10.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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25
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Zhan YY, Kojima T, Nakamura T, Takahashi T, Takahashi S, Haketa Y, Shoji Y, Maeda H, Fukushima T, Hiraoka S. Induced-fit expansion and contraction of a self-assembled nanocube finely responding to neutral and anionic guests. Nat Commun 2018; 9:4530. [PMID: 30382098 PMCID: PMC6208372 DOI: 10.1038/s41467-018-06874-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2018] [Accepted: 09/27/2018] [Indexed: 01/03/2023] Open
Abstract
Induced-fit or conformational selection is of profound significance in biological regulation. Biological receptors alter their conformation to respond to the shape and electrostatic surfaces of guest molecules. Here we report a water-soluble artificial molecular host that can sensitively respond to the size, shape, and charged state of guest molecules. The molecular host, i.e. nanocube, is an assembled structure consisting of six gear-shaped amphiphiles (GSAs). This nanocube can expand or contract its size upon the encapsulation of neutral and anionic guest molecules with a volume ranging from 74 to 535 Å3 by induced-fit. The responding property of this nanocube, reminiscent of a feature of biological molecules, arises from the fact that the GSAs in the nanocubes are connected to each other only through the hydrophobic effect and very weak intermolecular interactions such as van der Waals and cation-π interactions.
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Affiliation(s)
- Yi-Yang Zhan
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Tatsuo Kojima
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Takashi Nakamura
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
- Division of Chemistry, Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
| | - Toshihiro Takahashi
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Satoshi Takahashi
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Yohei Haketa
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Yoshiaki Shoji
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Hiromitsu Maeda
- Department of Applied Chemistry, College of Life Sciences, Ritsumeikan University, 1-1-1 Noji-higashi, Kusatsu, Shiga, 525-8577, Japan
| | - Takanori Fukushima
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama, 226-8503, Japan
| | - Shuichi Hiraoka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan.
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26
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Yamamoto T, Arefi H, Shanker S, Sato H, Hiraoka S. Self-Assembly of Nanocubic Molecular Capsules via Solvent-Guided Formation of Rectangular Blocks. J Phys Chem Lett 2018; 9:6082-6088. [PMID: 30274518 DOI: 10.1021/acs.jpclett.8b02624] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We investigate the mechanism underlying the self-assembly of gear-shaped amphiphilic molecules into a highly ordered nanocubic capsule ("nanocube") in aqueous methanol. Simulation results show that the solvent molecules play a significant role in the assembly process by directing the primitive intermediates to orthogonal/rectangular shapes, thus creating appropriate building blocks for cubic assembly while avoiding off-pathway stacked aggregates. Free-energy analyses reveal that the interplay of the direct intermonomer interaction and the solvent-mediated repulsion between large aromatic cores (via preferential solvation of methanol on hydrophobic surfaces) leads to the strong trend for perpendicular binding of monomers and hence the solvent-guided formation of rectangular blocks. Furthermore, we report the self-assembly simulation of the nanocube using replica exchange with solute tempering and demonstrate that the simulation can predict a highly ordered nanocapsule structure, assembly intermediates, and encapsulated molecules, which helps promote computer-aided design of functional molecular self-assemblies in explicit solvent.
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Affiliation(s)
- Takeshi Yamamoto
- Department of Chemistry , Graduate School of Science, Kyoto University , Kyoto 606-8502 , Japan
| | - Hadi Arefi
- Department of Chemistry , Graduate School of Science, Kyoto University , Kyoto 606-8502 , Japan
| | - Sudhanshu Shanker
- Department of Chemistry , Graduate School of Science, Kyoto University , Kyoto 606-8502 , Japan
| | - Hirofumi Sato
- Department of Molecular Engineering , Graduate School of Engineering, Kyoto University , Kyoto 615-8510 , Japan
| | - Shuichi Hiraoka
- Department of Basic Science , Graduate School of Arts and Science, The University of Tokyo , Tokyo 153-8902 , Japan
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27
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Hiraoka S. Unresolved Issues that Remain in Molecular Self-Assembly. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2018. [DOI: 10.1246/bcsj.20180008] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Shuichi Hiraoka
- Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
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28
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Masuda J, Kondo S, Matsumoto Y, Yamanaka M. Gabriel Synthesis of Hexakis(aminomethyl)benzene and Its Derivatization. ChemistrySelect 2018. [DOI: 10.1002/slct.201800985] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Junya Masuda
- Department of Chemistry, Faculty of Science; Shizuoka University, 836 Ohya, Suruga-ku; Shizuoka 422-8529 Japan
| | - Seiya Kondo
- Department of Chemistry, Faculty of Science; Shizuoka University, 836 Ohya, Suruga-ku; Shizuoka 422-8529 Japan
| | - Yoshiteru Matsumoto
- Department of Chemistry, Faculty of Science; Shizuoka University, 836 Ohya, Suruga-ku; Shizuoka 422-8529 Japan
| | - Masamichi Yamanaka
- Department of Chemistry, Faculty of Science; Shizuoka University, 836 Ohya, Suruga-ku; Shizuoka 422-8529 Japan
- Research Institute of Green Science and Technology; Shizuoka University, 836 Ohya, Suruga-ku; Shizuoka 422-8529 Japan
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29
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Zhan YY, Kojima T, Koide T, Tachikawa M, Hiraoka S. A Balance between van der Waals and Cation-π Interactions Stabilizes Hydrophobic Assemblies. Chemistry 2018; 24:9130-9135. [DOI: 10.1002/chem.201801376] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Yi-Yang Zhan
- Department of Basic Science; Graduate School of Arts and Sciences; The University of Tokyo; 3-8-1 Komaba Meguro-ku Tokyo 153-8902 Japan
| | - Tatsuo Kojima
- Department of Basic Science; Graduate School of Arts and Sciences; The University of Tokyo; 3-8-1 Komaba Meguro-ku Tokyo 153-8902 Japan
| | - Takuya Koide
- Quantum Chemistry Division; Graduate School of Science; Yokohama City University; 22-2 Seto Kanazawa-ku Yokohama Kanagawa 236-0027 Japan
| | - Masanori Tachikawa
- Quantum Chemistry Division; Graduate School of Science; Yokohama City University; 22-2 Seto Kanazawa-ku Yokohama Kanagawa 236-0027 Japan
| | - Shuichi Hiraoka
- Department of Basic Science; Graduate School of Arts and Sciences; The University of Tokyo; 3-8-1 Komaba Meguro-ku Tokyo 153-8902 Japan
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30
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Zhan YY, Tanaka N, Ozawa Y, Kojima T, Mashiko T, Nagashima U, Tachikawa M, Hiraoka S. Importance of Molecular Meshing for the Stabilization of Solvophobic Assemblies. J Org Chem 2018; 83:5132-5137. [PMID: 29644858 DOI: 10.1021/acs.joc.8b00495] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The effect of the methyl groups in neutral gear-shaped amphiphiles (GSAs) on the stability of nanocubes was investigated using a novel C2 v-symmetric GSA, which was synthesized using selective alternate trilithiation of a pentabrominated hexaphenylbenzene derivative. The lack of only one methyl group in the GSA decreased the association constant for the assembly of the nanocube by 3 orders of magnitude. A surface analysis recently developed by the authors (SAVPR: surface analysis with varying probe radii) was carried out for characteristic isomers of the nanocube consisting of C2 v-symmetric GSAs. It was found that the methyl groups near the equator of the nanocube play a significant role in the stabilization of the nanocubes.
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Affiliation(s)
- Yi-Yang Zhan
- Department of Basic Science, Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro-ku , Tokyo 153-8902 , Japan
| | - Naru Tanaka
- Department of Basic Science, Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro-ku , Tokyo 153-8902 , Japan
| | - Yuka Ozawa
- Department of Basic Science, Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro-ku , Tokyo 153-8902 , Japan
| | - Tatsuo Kojima
- Department of Basic Science, Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro-ku , Tokyo 153-8902 , Japan
| | - Takako Mashiko
- Quantum Chemistry Division, Graduate School of Science , Yokohama City University , 22-2 Seto , Kanazawa-ku, Yokohama-city , Kanagawa 236-0027 , Japan
| | - Umpei Nagashima
- Foundation for Computational Science (FOCUS) , 7-1-28, Minatojimaminamimachi , Chuo-ku , Kobe 650-0047 , Japan
| | - Masanori Tachikawa
- Quantum Chemistry Division, Graduate School of Science , Yokohama City University , 22-2 Seto , Kanazawa-ku, Yokohama-city , Kanagawa 236-0027 , Japan
| | - Shuichi Hiraoka
- Department of Basic Science, Graduate School of Arts and Sciences , The University of Tokyo , 3-8-1 Komaba , Meguro-ku , Tokyo 153-8902 , Japan
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31
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32
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Kai T, Kishimoto M, Akita M, Yoshizawa M. Encapsulation-induced emission enhancement (EIEE) of Eu(iii)-complexes by aromatic micelles in water. Chem Commun (Camb) 2018; 54:956-959. [PMID: 29319083 DOI: 10.1039/c7cc09450g] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Eu(iii)-complexes emit highly pure and intense red luminescence in aprotic organic solvents, yet the emission is usually quenched completely in the presence of aqueous solvents. Here we report that typical Eu(iii)-complexes are readily encapsulated in the hydrophobic cavities of aromatic micelles, composed of amphiphilic molecules with bent aromatic frameworks. Whereas the emissivity of the Eu(iii)-complexes themselves is zero in aqueous solutions, the resultant host-guest nanocomposites exhibit relatively strong red emission (up to Φ = 48%) with long emission lifetimes (up to τ = 1.05 ms) even in water. Thus, encapsulation-induced emission enhancement (EIEE) of the otherwise water-deactivated luminescent compounds is demonstrated by the aromatic micelle.
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Affiliation(s)
- Tomokuni Kai
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan.
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33
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MASHIKO T, HIRAOKA S, NAGASHIMA U, TACHIKAWA M. Theoretical Study on Substituent and Solvent Effectsfor Nanocubes Formed with Gear-shaped Amphiphile Molecules. JOURNAL OF COMPUTER CHEMISTRY-JAPAN 2018. [DOI: 10.2477/jccj.2018-0010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Takako MASHIKO
- Graduate School of NanoBioScience, Yokohama City University,22-2, Seto, Kanazawa-ku, Yokohama 236-0027, Japan
| | - Shuichi HIRAOKA
- Graduate School of Arts and Sciences, The University of Tokyo,3-8-1 Komaba, Meguro-ku, Tokyo, 153-8902, Japan
| | - Umpei NAGASHIMA
- Foundation for Computational Science (FOCUS),Keisannkagaku Center bldg., 7-1-28 Minatojima minami, tyuoku, Kobe, Hyogo 650-0047, Japan
| | - Masanori TACHIKAWA
- Graduate School of NanoBioScience, Yokohama City University,22-2, Seto, Kanazawa-ku, Yokohama 236-0027, Japan
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34
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Harada R, Mashiko T, Tachikawa M, Hiraoka S, Shigeta Y. Programed dynamical ordering in self-organization processes of a nanocube: a molecular dynamics study. Phys Chem Chem Phys 2018; 20:9115-9122. [DOI: 10.1039/c8cp00284c] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Self-organization processes of a gear-shaped amphiphile molecule (1) to form a hexameric structure (nanocube,16) were inferred from sequential dissociation processes by using molecular dynamics (MD) simulations.
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Affiliation(s)
- Ryuhei Harada
- Center for Computational Sciences
- University of Tsukuba
- Ibaraki 305-8577
- Japan
| | - Takako Mashiko
- Quantum Chemistry Division
- Graduate School of NanobioScience
- Yokohama City University
- Yokoyama City
- Japan
| | - Masanori Tachikawa
- Quantum Chemistry Division
- Graduate School of NanobioScience
- Yokohama City University
- Yokoyama City
- Japan
| | - Shuichi Hiraoka
- Department of Basic Science
- Graduate School of Arts and Sciences
- The University of Tokyo
- Tokyo 153-8902
- Japan
| | - Yasuteru Shigeta
- Center for Computational Sciences
- University of Tsukuba
- Ibaraki 305-8577
- Japan
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35
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Kondo K, Klosterman JK, Yoshizawa M. Aromatic Micelles as a New Class of Aqueous Molecular Flasks. Chemistry 2017; 23:16710-16721. [DOI: 10.1002/chem.201702519] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Indexed: 11/11/2022]
Affiliation(s)
- Kei Kondo
- Laboratory for Chemistry and Life Science, Institute of Innovative Research; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
| | - Jeremy K. Klosterman
- Department of Chemistry and Biochemistry; University of California, San Diego; La Jolla California 92093 USA
| | - Michito Yoshizawa
- Laboratory for Chemistry and Life Science, Institute of Innovative Research; Tokyo Institute of Technology; 4259 Nagatsuta, Midori-ku Yokohama 226-8503 Japan
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36
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Fujita T, Yamamoto T. Assessing the accuracy of integral equation theories for nano-sized hydrophobic solutes in water. J Chem Phys 2017; 147:014110. [DOI: 10.1063/1.4990502] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
| | - Takeshi Yamamoto
- Department of Chemistry, Graduate School of Science, Kyoto University, Kyoto 606-8502, Japan
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37
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Hong CM, Kaphan DM, Bergman RG, Raymond KN, Toste FD. Conformational Selection as the Mechanism of Guest Binding in a Flexible Supramolecular Host. J Am Chem Soc 2017; 139:8013-8021. [DOI: 10.1021/jacs.7b03812] [Citation(s) in RCA: 77] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cynthia M. Hong
- Chemical Sciences Division,
Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - David M. Kaphan
- Chemical Sciences Division,
Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Robert G. Bergman
- Chemical Sciences Division,
Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Kenneth N. Raymond
- Chemical Sciences Division,
Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - F. Dean Toste
- Chemical Sciences Division,
Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
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38
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Vij V, Bhalla V, Kumar M. Hexaarylbenzene: Evolution of Properties and Applications of Multitalented Scaffold. Chem Rev 2016; 116:9565-627. [DOI: 10.1021/acs.chemrev.6b00144] [Citation(s) in RCA: 91] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Varun Vij
- Department of Chemistry,
UGC Centre for Advanced Studies, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Vandana Bhalla
- Department of Chemistry,
UGC Centre for Advanced Studies, Guru Nanak Dev University, Amritsar, Punjab 143005, India
| | - Manoj Kumar
- Department of Chemistry,
UGC Centre for Advanced Studies, Guru Nanak Dev University, Amritsar, Punjab 143005, India
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39
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Wang X, Xu L, Mu D, Wang H, Feng S. Silicon effect of dendritic polyphenyl derivatives: enhancement of aggregation-induced emission and emission color adjustment. RSC Adv 2016. [DOI: 10.1039/c6ra00270f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Polyphenyl compounds could not emit strong fluorescence and adjust the emission colors. The “silicon effect” appeared to resolve this problem.
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Affiliation(s)
- Xuefeng Wang
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
| | - Lichao Xu
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
| | - Dan Mu
- Institute of Research on the Structure and Property of Matter
- Zaozhuang University
- Zaozhuang
- China
| | - Hua Wang
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
| | - Shengyu Feng
- Key Laboratory of Special Functional Aggregated Materials & Key Laboratory of Colloid and Interface Chemistry
- Ministry of Education
- School of Chemistry and Chemical Engineering
- Shandong University
- Jinan
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40
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Wright JR, Crowley JD, Lucas NT. Carbon-rich “Click” 1,2,3-triazoles: hexaphenylbenzene and hexa-peri-hexabenzocoronene-based ligands for Suzuki–Miyaura catalysts. Chem Commun (Camb) 2016; 52:12976-12979. [DOI: 10.1039/c6cc07413h] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Routes to polyaromatic 1,2,3-triazole ligands have been developed, their [PdCl2L2] complexes characterised and assessed as precatalysts in the Suzuki–Miyaura reaction.
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Affiliation(s)
- James R. Wright
- Department of Chemistry
- University of Otago
- Dunedin
- New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology
| | | | - Nigel T. Lucas
- Department of Chemistry
- University of Otago
- Dunedin
- New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology
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41
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Chen S, Yamasaki M, Polen S, Gallucci J, Hadad CM, Badjić JD. Dual-Cavity Basket Promotes Encapsulation in Water in an Allosteric Fashion. J Am Chem Soc 2015; 137:12276-81. [PMID: 26348904 DOI: 10.1021/jacs.5b06041] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Shigui Chen
- Department of Chemistry
and
Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Makoto Yamasaki
- Department of Chemistry
and
Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Shane Polen
- Department of Chemistry
and
Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Judith Gallucci
- Department of Chemistry
and
Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Christopher M. Hadad
- Department of Chemistry
and
Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Jovica D. Badjić
- Department of Chemistry
and
Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
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42
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Abstract
This review focuses on molecular containers formed by assembly processes driven by the hydrophobic effect, and summarizes the progress made in the field over the last ten years. This small but growing facet of supramolecular chemistry discusses three classes of molecules used by researchers to investigate how self-assembly can be applied to form discrete, mono-dispersed, and structurally well-defined supramolecular entities. The approaches demonstrate the importance of preorganization of arrays of rigid moieties to define a specific form predisposed to bind, fold, or assemble. As the examples demonstrate, studying these systems and their properties is teaching us how to control supramolecular chemistry in water, shedding light on aspects of aqueous solutions chemistry, and illustrating novel applications that harness the unique properties of the hydrophobic effect.
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Affiliation(s)
- Jacobs H Jordan
- Department of Chemistry, Tulane University, New Orleans, LA 70118, USA.
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43
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Okazawa Y, Kondo K, Akita M, Yoshizawa M. Polyaromatic nanocapsules displaying aggregation-induced enhanced emissions in water. J Am Chem Soc 2014; 137:98-101. [PMID: 25534021 DOI: 10.1021/ja511463k] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
V-shaped polyaromatic amphiphiles with phenanthrene or naphthalene rings spontaneously and quantitatively formed micelle-like nanocapsules in water at room temperature. In contrast to usual polyaromatic aggregates with weak fluorescent properties, the new capsules providing spherical polyaromatic shells with diameters of ∼2 nm show strong fluorescent emissions due to an aggregation-induced enhanced emission (AIEE) effect and moreover encapsulate a fluorescent coumarin dye to generate highly emissive host-guest composites.
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Affiliation(s)
- Yusuke Okazawa
- Chemical Resources Laboratory, Tokyo Institute of Technology , 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
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44
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Mashiko T, Yamada K, Hiraoka S, Nagashima U, Tachikawa M. Molecular dynamics simulation of self-assembled nanocubes in methanol. MOLECULAR SIMULATION 2014. [DOI: 10.1080/08927022.2014.940523] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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45
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Mashiko T, Yamada K, Kojima T, Hiraoka S, Nagashima U, Tachikawa M. Molecular Dynamics and Principal Component Analysis for a Self-assembled Nanocube in Aqueous Solution. CHEM LETT 2014. [DOI: 10.1246/cl.130928] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
| | | | | | | | - Umpei Nagashima
- National Institute of Advanced Industrial Science and Technology
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46
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Kojima T, Hiraoka S. Selective Alternate Derivatization of the Hexaphenylbenzene Framework through a Thermodynamically Controlled Halogen Dance. Org Lett 2014; 16:1024-7. [DOI: 10.1021/ol500041j] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Tatsuo Kojima
- Department of Integrated
Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
| | - Shuichi Hiraoka
- Department of Integrated
Sciences, Graduate School of Arts and Sciences, The University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo 153-8902, Japan
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47
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Vreshch V, Nohra B, Lescop C, Réau R. Synthesis of Small Tetranuclear Cu(I) Metallacycles Based on Bridging Pseudohalogenide Ions. Inorg Chem 2013; 52:1496-503. [DOI: 10.1021/ic3022535] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Volodymyr Vreshch
- Sciences
Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu 35042
Rennes, Cedex, France
| | - Brigitte Nohra
- Sciences
Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu 35042
Rennes, Cedex, France
| | - Christophe Lescop
- Sciences
Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu 35042
Rennes, Cedex, France
| | - Régis Réau
- Sciences
Chimiques de Rennes UMR 6226 CNRS-Université de Rennes 1, Campus de Beaulieu 35042
Rennes, Cedex, France
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48
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Cook TR, Zheng YR, Stang PJ. Metal-organic frameworks and self-assembled supramolecular coordination complexes: comparing and contrasting the design, synthesis, and functionality of metal-organic materials. Chem Rev 2013; 113:734-77. [PMID: 23121121 PMCID: PMC3764682 DOI: 10.1021/cr3002824] [Citation(s) in RCA: 2133] [Impact Index Per Article: 193.9] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Timothy R. Cook
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah, 84112
| | - Yao-Rong Zheng
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah, 84112
| | - Peter J. Stang
- Department of Chemistry, University of Utah, 315 South 1400 East, RM 2020, Salt Lake City, Utah, 84112
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49
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Scarso A, Borsato G. Self-Assembly of Organic Supramolecular Capsules. Supramol Chem 2012. [DOI: 10.1002/9780470661345.smc079] [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: 11/11/2022]
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50
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Geng JC, Cui GH, Jiao CH, Liu TF, He CH. Construction of 1D and 2D Zinc Coordination Polymers Based on Organic Carboxylate Anions and Flexible Imidazole-Containing Ligand. J CHIN CHEM SOC-TAIP 2012. [DOI: 10.1002/jccs.201100485] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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