101
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Yu G, Chen X. Host-Guest Chemistry in Supramolecular Theranostics. Theranostics 2019; 9:3041-3074. [PMID: 31244941 PMCID: PMC6567976 DOI: 10.7150/thno.31653] [Citation(s) in RCA: 111] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Accepted: 02/24/2019] [Indexed: 12/12/2022] Open
Abstract
Macrocyclic hosts, such as cyclodextrins, calixarenes, cucurbiturils, and pillararenes, exhibit unparalleled advantages in disease diagnosis and therapy over the past years by fully taking advantage of their host-guest molecular recognitions. The dynamic nature of the non-covalent interactions and selective host-guest complexation endow the resultant nanomaterials with intriguing properties, holding promising potentials in theranostic fields. Interestingly, the differences in microenvironment between the abnormal and normal cells/tissues can be employed as the stimuli to modulate the host-guest interactions, realizing the purpose of precise diagnosis and specific delivery of drugs to lesion sites. In this review, we summarize the progress of supramolecular theranostics on the basis of host-guest chemistry benefiting from their fantastic topological structures and outstanding supramolecular chemistry. These state-of-the-art examples provide new methodologies to overcome the obstacles faced by the traditional theranostic systems, promoting their clinical translations.
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Affiliation(s)
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, Maryland 20892, United States
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102
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Braegelman AS, Webber MJ. Integrating Stimuli-Responsive Properties in Host-Guest Supramolecular Drug Delivery Systems. Theranostics 2019; 9:3017-3040. [PMID: 31244940 PMCID: PMC6567965 DOI: 10.7150/thno.31913] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Accepted: 03/27/2019] [Indexed: 12/17/2022] Open
Abstract
Host-guest motifs are likely the most recognizable manifestation of supramolecular chemistry. These complexes are characterized by the organization of small molecules on the basis of preferential association of a guest within the portal of a host. In the context of their therapeutic use, the primary application of these complexes has been as excipients which enhance the solubility or improve the stability of drug formulations, primarily in a vial. However, there may be opportunities to go significantly beyond such a role and leverage key features of the affinity, specificity, and dynamics of the interaction itself toward "smarter" therapeutic designs. One approach in this regard would seek stimuli-responsive host-guest recognition, wherein a complex forms in a manner that is sensitive to, or can be governed by, externally applied triggers, disease-specific proteins and analytes, or the presence of a competing guest. This review will highlight the general and phenomenological design considerations governing host-guest recognition and the specific types of chemistry which have been used and are available for different applications. Finally, a discussion of the molecular engineering and design approaches which enable sensitivity to a variety of different stimuli are highlighted. Ultimately, these molecular-scale approaches offer an assortment of new chemistry and material design tools toward improving precision in drug delivery.
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Affiliation(s)
| | - Matthew J. Webber
- Department of Chemical & Biomolecular Engineering, University of Notre Dame, Notre Dame, IN 46556 USA
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103
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Duan Q, Zhang H, Mai W, Wang F, Lu K. Acid/base- and base/acid-switchable complexation between anionic-/cationic-pillar[6]arenes and a viologen ditosylate salt. Org Biomol Chem 2019; 17:4430-4434. [PMID: 30888007 DOI: 10.1039/c9ob00398c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Two new host-guest complexes between water-soluble anionic pillar[6]arene (WP6) or cationic pillar[6]arene (CP6) and a viologen ditosylate salt G·2TsO were constructed, among which one formed from WP6 and G2+ ions can be controlled by the sequential addition of an acid and a base (HCl and NaOH, respectively), whereas the other fabricated from CP6 and TsO- ions can be switched through the sequential addition of basic and acidic reagents (NaOH and HCl, respectively).
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Affiliation(s)
- Qunpeng Duan
- School of Materials and Chemical Engineering, Henan University of Engineering, Zhengzhou, 450006, China.
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104
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Rahimi M, Karimian R, Noruzi EB, Ganbarov K, Zarei M, Kamounah FS, Yousefi B, Bastami M, Yousefi M, Samadi Kafil H. Needle-shaped amphoteric calix[4]arene as a magnetic nanocarrier for simultaneous delivery of anticancer drugs to the breast cancer cells. Int J Nanomedicine 2019; 14:2619-2636. [PMID: 31043778 PMCID: PMC6472283 DOI: 10.2147/ijn.s194596] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Chemotherapy as an important tool for cancer treatment faces many obstacles such as multidrug resistance and adverse toxic effects on healthy tissues. Drug delivery systems has opened a new window to overcome these problems. There has been a strong interest development of new platform and system for delivof chemotherapeutic agents. PURPOSE In the present study, a green synthesis method was chosen and performed for preparation of a novel amphoteric calix[4]arene (Calix) macrocycle with low toxicity to the human body. MATERIALS AND METHODS The amphoteric Calix was coated on the surface of Fe3O4 magnetic nanoparticles and used as a magnetic nanocarrier for simultaneous delivery of two anticancer agents, doxorubicin and methotrexate, against MCF7 cancer cells. Several chemical characterizations were done for validation of prepared nanocarrier, and in vitro loading and release studies of drugs were performed with good encapsulation efficiency. RESULTS In vitro biological studies including hemolysis assay, erythrocytes sedimentation rate, red blood cells aggregation, cyto cellular internalization, and apoptosis evaluations were performed. Based on results, the developed nanocarrier has many advantages and capability for an efficient codelivery of DOX and MTX, which has a highly potent ability to kill cancer cells. CONCLUSION All these results persuade us, this nanocarrier could be effectively used for cancer therapy of MCF7 breast cancer cells and is suitable for use in further animal studies in future investigations.
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Affiliation(s)
- Mahdi Rahimi
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,
| | - Ramin Karimian
- Chemical Injuries Research Center, Systems biology and poisonings institute, Baqiyatallah University of Medical Sciences, Tehran, Iran,
| | - Ehsan Bahojb Noruzi
- Faculty of Chemistry, Department of Inorganic Chemistry, University of Tabriz, Tabriz, Iran
| | - Khudaverdi Ganbarov
- Department of Microbiology, Baku State University, Baku, Republic of Azerbaijan
| | - Mojtaba Zarei
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,
| | - Fadhil S Kamounah
- Department of Chemistry, University of Copenhagen, Copenhagen. Denmark
| | - Bahman Yousefi
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,
| | - Milad Bastami
- Biotechnology Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Yousefi
- Stem Cell Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,
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105
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Han C, Zhao D, Lü Z, Zhan F, Zhang L, Dong S, Jin L. Synthesis of a Difunctionalized Pillar[5]arene with Hydroxyl and Amino Groups at A1/A2 Positions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900051] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Chengyou Han
- Department of Chemistry; College of Science; China University of Petroleum (East China); 266580 Qingdao P. R. China
| | - Dezhi Zhao
- Department of Chemistry; College of Science; China University of Petroleum (East China); 266580 Qingdao P. R. China
| | - Zhifeng Lü
- Department of Chemistry; College of Science; China University of Petroleum (East China); 266580 Qingdao P. R. China
| | - Fengtao Zhan
- Department of Chemistry; College of Science; China University of Petroleum (East China); 266580 Qingdao P. R. China
| | - Liangliang Zhang
- Institute of Flexible Electronics; College of Science; Northwestern Polytechnical University; 710072 Xi'an Shaanxi P. R. China
| | - Shengyi Dong
- College of Chemistry and Chemical Engineering; College of Science; Hunan University; 410082 Changsha Hunan P. R. China
| | - Lin Jin
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology; School of Life Sciences; Northwestern Polytechnical University; 710072 Xi'an Shaanxi P. R. China
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106
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Supramolecular redox-responsive substrate carrier activity of a ferrocenyl Janus device. J Inorg Biochem 2019; 193:31-41. [DOI: 10.1016/j.jinorgbio.2018.12.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/28/2018] [Accepted: 12/30/2018] [Indexed: 12/15/2022]
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107
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Huang J, Liu D, Wang SC, Chen M, Zhao H, Li K, Chan YT, Wang P. Molecular Lemniscates from Organic-Metal Terpyridine-Based Self-Assembly and Host-Guest Recognition. Inorg Chem 2019; 58:5051-5057. [PMID: 30920813 DOI: 10.1021/acs.inorgchem.9b00119] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The intricate discrete supramolecular architectures via two or more noncovalent interactions are very attractive for chemists. In this paper, a series of homomeric metallo-supramolecular lemniscates were prepared in nearly quantitative yields by assembling either dialkylammonium salt- or benzo-21-crown-7 (B21C7)-containing terpyridyl metallo-organic ligands with Zn2+. Furthermore, the heteromeric analogue could be obtained through two ways: (1) the cooperative interaction of coordination-driven self-assembly and host-guest recognition and (2) the transformation from homodimers to heterodimers driven by host-guest interaction. These supramolecules were characterized by nuclear magnetic resonance (NMR), diffusion-ordered NMR spectroscopy, electrospray ionization mass spectrometry, and two-dimensional (2D) ion-mobility mass spectrometry.
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Affiliation(s)
- Jian Huang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - Die Liu
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education , Guangzhou University , Guangzhou 510006 , China
| | - Shi-Cheng Wang
- Department of Chemistry , National Taiwan University , Number 1, Section 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Mingzhao Chen
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - He Zhao
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - Kaixiu Li
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China
| | - Yi-Tsu Chan
- Department of Chemistry , National Taiwan University , Number 1, Section 4, Roosevelt Road , Taipei 10617 , Taiwan
| | - Pingshan Wang
- Department of Organic and Polymer Chemistry, College of Chemistry and Chemical Engineering , Central South University , Changsha , Hunan 410083 , China.,Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education , Guangzhou University , Guangzhou 510006 , China
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108
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Plajer AJ, Percástegui EG, Santella M, Rizzuto FJ, Gan Q, Laursen BW, Nitschke JR. Fluorometric Recognition of Nucleotides within a Water‐Soluble Tetrahedral Capsule. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814149] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Alex J. Plajer
- Department of ChemistryUniversity of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | | | - Marco Santella
- Department of Chemistry & Nano-Science CenterUniversity of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Felix J. Rizzuto
- Department of ChemistryUniversity of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Quan Gan
- Department of ChemistryUniversity of Cambridge Lensfield Road Cambridge CB2 1EW UK
| | - Bo W. Laursen
- Department of Chemistry & Nano-Science CenterUniversity of Copenhagen Universitetsparken 5 2100 Copenhagen Denmark
| | - Jonathan R. Nitschke
- Department of ChemistryUniversity of Cambridge Lensfield Road Cambridge CB2 1EW UK
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109
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Aletti AB, Miljkovic A, Toma L, Bruno R, Armentano D, Gunnlaugsson T, Bergamaschi G, Amendola V. Halide-Controlled Extending–Shrinking Motion of a Covalent Cage. J Org Chem 2019; 84:4221-4228. [DOI: 10.1021/acs.joc.9b00219] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Anna B. Aletti
- School of Chemistry, Trinity College Dublin, The University of Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Ana Miljkovic
- Department of Chemistry, University of Pavia, v.le Taramelli 12, Pavia 27100, Italy
| | - Lucio Toma
- Department of Chemistry, University of Pavia, v.le Taramelli 12, Pavia 27100, Italy
| | - Rosaria Bruno
- Department of Chemistry & Chemical Technologies, via Pietro Bucci, Arcavacata di Rende, Cosenza 87036, Italy
| | - Donatella Armentano
- Department of Chemistry & Chemical Technologies, via Pietro Bucci, Arcavacata di Rende, Cosenza 87036, Italy
| | - Thorfinnur Gunnlaugsson
- School of Chemistry, Trinity College Dublin, The University of Dublin, 152-160 Pearse Street, Dublin 2, Ireland
| | - Greta Bergamaschi
- Consiglio Nazionale Delle Ricerche, Istituto di Chimica del Riconoscimento Molecolare (ICRM), via M. Bianco 9, Milano 20131, Italy
| | - Valeria Amendola
- Department of Chemistry, University of Pavia, v.le Taramelli 12, Pavia 27100, Italy
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110
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Tan B, Yang XD, Sun L, Huang XY, Zhang J. Guest-Selective Recognition in a Flexible Bipyridinium-Based Framework in a Reversible Crystal-to-Crystal Fashion. Chemistry 2019; 25:4136-4142. [PMID: 30620125 DOI: 10.1002/chem.201805455] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Indexed: 11/06/2022]
Abstract
A flexible bipyridinium-linker-based porous host framework with electron-accepting pore surface, namely, [Zn2 (L)(pmc)1.5 ]⋅12 H2 O (1; L⋅Cl2 =1,1'-[1,4-phenylene-bis(methylene)]bis(4,4'-bipyridinium) dichloride, H4 pmc=pyromellitic acid) exhibits recognition of phenol and aromatic amine guests based on adsorbent-adsorbate charge-transfer interactions. Significantly, the resultant guest-encapsulated complexes 1@Guests can all be characterized by single-crystal X-ray diffraction. The host framework undergoes a reversible single crystal-to-single crystal transformation in response to the inclusion of different guests with flexible torsional motions of the hexagonal ring and the trapezoid-shaped bipyridinium groups. Such recognition can be visibly monitored and detected by obvious color changes. The host framework could also be recovered, and this suggested that guest sorption/desorption is reversible and that the host framework could be reused in potential applications. This work may provide an effective way to develop porous materials with special emphasis on applications involving guest recognition.
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Affiliation(s)
- Bin Tan
- MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P.R. China.,State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P.R. China
| | - Xiao-Dong Yang
- MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P.R. China
| | - Li Sun
- MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P.R. China
| | - Xiao-Ying Huang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, P.R. China
| | - Jie Zhang
- MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P.R. China
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111
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Affiliation(s)
- Gholamabbas Chehardoli
- Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Asrin Bahmani
- Medicinal Plants and Natural Products Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
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112
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Ogoshi T, Hamada Y, Sueto R, Sakata Y, Akine S, Moeljadi AMP, Hirao H, Kakuta T, Yamagishi TA, Mizuno M. Host-Guest Complexation Using Pillar[5]arene Crystals: Crystal-Structure Dependent Uptake, Release, and Molecular Dynamics of an Alkane Guest. Chemistry 2019; 25:2497-2502. [PMID: 30565324 DOI: 10.1002/chem.201805733] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2018] [Indexed: 01/14/2023]
Abstract
Host-guest complexation has been mainly investigated in solution, and it is unclear how guest molecules access the assembled structures of host and dynamics of guest molecules in the crystal state. In this study, we studied the uptake, release, and molecular dynamics of n-hexane vapor in the crystal state of pillar[5]arenes bearing different substituents. Pillar[5]arene bearing 10 ethyl groups yielded a crystal structure of herringbone-type 1:1 complexes with n-hexane, whereas pillar[5]arene with 10 allyl groups formed 1:1 complexes featuring a one-dimensional (1D) channel structure. For pillar[5]arene bearing 10 benzyl groups, one molecule of n-hexane was located in the cavity of pillar[5]arene, and another n-hexane molecule was located outside of the cavity between two pillar[5]arenes. The substituent-dependent differences in molecular arrangement influenced the uptake, release, and molecular dynamics of the n-hexane guest. The substituent effects were not observed in host-guest chemistry in solution, and these features are unique for the crystal state host-guest chemistry of pillar[5]arenes.
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Affiliation(s)
- Tomoki Ogoshi
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan.,WPI Nano Life Science Institute, Kanazawa University, Kanazawa, 920-1192, Japan.,JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Yukie Hamada
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Ryuta Sueto
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Yoko Sakata
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan.,WPI Nano Life Science Institute, Kanazawa University, 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, Kanazawa University, Kanazawa, 920-1192, Japan
| | | | - Hajime Hirao
- JST, PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan.,Department of Chemistry, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Takahiro Kakuta
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan.,WPI Nano Life Science Institute, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Tada-Aki Yamagishi
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Motohiro Mizuno
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
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113
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Gupta M, Tomar K, Pandey SK, Bharadwaj PK. Weak and Reversible Binding of Alkali Metal Ions (Na +/K +) by an Aza‐Oxa Cryptand. ChemistrySelect 2019. [DOI: 10.1002/slct.201803353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Mayank Gupta
- Department of ChemistryIndian Institute of Technology Kanpur Kanpur 208016 India
| | - Kapil Tomar
- Department of ChemistryIndian Institute of Technology Kanpur Kanpur 208016 India
| | - Sarvesh K. Pandey
- Department of ChemistryIndian Institute of Technology Kanpur Kanpur 208016 India
| | - Parimal K. Bharadwaj
- Department of ChemistryIndian Institute of Technology Kanpur Kanpur 208016 India
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114
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Plajer AJ, Percástegui EG, Santella M, Rizzuto FJ, Gan Q, Laursen BW, Nitschke JR. Fluorometric Recognition of Nucleotides within a Water-Soluble Tetrahedral Capsule. Angew Chem Int Ed Engl 2019; 58:4200-4204. [PMID: 30666756 DOI: 10.1002/anie.201814149] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Indexed: 12/11/2022]
Abstract
The design of aqueous probes and binders for complex, biologically relevant anions presents a key challenge in supramolecular chemistry. Herein, a tetrahedral assembly with cationic faces and corners is reported that is capable of discriminating between anionic and neutral guests in water. Electrostatic repulsion between subcomponents can be overcome by the addition of an anionic template, or generating a robust covalent framework by incorporating tris(2-aminoethyl)amine (TREN). The resultant TREN-capped, water-soluble, fluorescent cage binds mono- and poly-phosphoric esters, including nucleotides. Its covalent skeleton renders it stable at micromolar concentrations in water, enabling the fluorometric detection of biologically relevant guests in an aqueous environment. Selective supramolecular encapsulants, such as 1, could enable new sensing applications, such as recognition of toxins and drugs, under biological conditions.
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Affiliation(s)
- Alex J Plajer
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Edmundo G Percástegui
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Marco Santella
- Department of Chemistry & Nano-Science Center, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Felix J Rizzuto
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Quan Gan
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Bo W Laursen
- Department of Chemistry & Nano-Science Center, University of Copenhagen, Universitetsparken 5, 2100, Copenhagen, Denmark
| | - Jonathan R Nitschke
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
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115
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Xiao T, Zhou L, Xu L, Zhong W, Zhao W, Sun XQ, Elmes RB. Dynamic materials fabricated from water soluble pillar[n]arenes bearing triethylene oxide groups. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.05.039] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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116
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Zheng B, Luo Z, Deng Y, Zhang Q, Gao L, Dong S. A degradable low molecular weight monomer system with lower critical solution temperature behaviour in water. Chem Commun (Camb) 2019; 55:782-785. [PMID: 30569924 DOI: 10.1039/c8cc09160a] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
A degradable thermo-responsive system was prepared and investigated. The degradation behaviour induced by the cleavage process of the thermo-sensitive crown ethers effectively altered the thermo-responsiveness.
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Affiliation(s)
- Bo Zheng
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an 710069, P. R. China
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117
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Xu W, Kan J, Yang B, Prior TJ, Bian B, Xiao X, Tao Z, Redshaw C. A Study of the Interaction Between Cucurbit[8]uril and Alkyl-Substituted 4-Pyrrolidinopyridinium Salts. Chem Asian J 2019; 14:235-242. [PMID: 30462888 DOI: 10.1002/asia.201801498] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 11/20/2018] [Indexed: 01/14/2023]
Abstract
The interaction between cucuribit[8]uril (Q[8]) and a series of 4-pyrrolidinopyridinium salts bearing aliphatic substituents at the pyridinium nitrogen, namely 4-(C4 H8 N)C5 H5 NRBr, where R=Et (g1), n-butyl (g2), n-pentyl (g3), n-hexyl (g4), n-octyl (g5), n-dodecyl (g6), has been studied in aqueous solution by 1 H NMR spectroscopy, electronic absorption spectroscopy, isothermal titration calorimetry and mass spectrometry. Single crystal X-ray diffraction revealed the structure of the host-guest complexes for g1, g2, g3, and g5. In each case, the Q[8] contains two guest molecules in a centrosymmetric dimer. The orientation of the guest molecule changes as the alkyl chain increases in length. Interestingly, in the solid state, the inclusion complexes identified are different from those observed in solution, and furthermore, in the case of g3, Q[8] exhibits two different interactions with the guest. In solution, the length of the alkyl chain plays a significant role in determining the type of host-guest interaction present.
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Affiliation(s)
- Weitao Xu
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang, 550025, P. R. China
| | - Jinglan Kan
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Normal University, Jinan, 250014, P. R. China
| | - Bo Yang
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang, 550025, P. R. China
| | - Timothy J Prior
- Chemistry, Department of Chemistry and Biochemistry, University of Hull, Hull, HU6 7RX, U.K
| | - Bing Bian
- College of Chemistry and Environmental Engineering, Shandong University of Science and Technology, Qingdao, 266590, P. R. China
| | - Xin Xiao
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang, 550025, P. R. China
| | - Zhu Tao
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Macrocyclic and Supramolecular Chemistry of Guizhou Province, Guizhou University, Guiyang, 550025, P. R. China
| | - Carl Redshaw
- Chemistry, Department of Chemistry and Biochemistry, University of Hull, Hull, HU6 7RX, U.K
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118
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Das D, Biradha K. Cocrystals and Salts of 3,5-Bis(pyridinylmethylene)piperidin-4-one with Aromatic Poly-Carboxylates and Resorcinols: Influence of Stacking Interactions on Solid-State Luminescence Properties. Aust J Chem 2019. [DOI: 10.1071/ch19062] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Two bis-pyridyl-substituted α,β-unsaturated ketones were shown to form complexes with carboxylic acids and resorcinol derivatives. The neutral acid–acid homosynthon was observed in only one complex out of the five acid-bis-pyridyl containing complexes studied here, while the –COO−⋯HOOC– synthon was found to be dominant as it was observed in four complexes. The carboxylates self-assembled to form discrete dimeric, anionic, 1D chains and also exhibited mixed ionic hydrogen bonds. On the other hand, resorcinol derivatives displayed O–H⋯N hydrogen bonding to form tetrameric aggregates of bis-pyridyl ketone molecules and respective co-formers, while 3,5-dihydroxy benzoic acid (DHBA) molecules formed 1D chains by clipping two molecules of ketones with three DHBA molecules. Such clipping by the resorcinol derivatives promoted continuous π–π stacking interactions. Consequently, these materials emitted at higher wavelengths compared with the parent bis-pyridyl-substituted α,β-unsaturated ketones.
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119
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Ouyang Y, Zhang Y, Luo Z, Li X, Duan A, Dong S. Differences in solubilities, crystal structures, NMR spectra and fluorescence emissions induced by potassium cation/benzo-21-crown-7 molecular recognition. NEW J CHEM 2019. [DOI: 10.1039/c9nj03208h] [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
Changes of the fundamental properties of host–guest pairs induced by potassium cation complexation were investigated.
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Affiliation(s)
- Yunyun Ouyang
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Yi Zhang
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Zheng Luo
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Xing Li
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Abing Duan
- College of Environmental Science and Engineering, Hunan University
- Changsha 410082
- P. R. China
| | - Shengyi Dong
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
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120
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Guagnini F, Pedrini A, Swager TM, Massera C, Dalcanale E. Solvent-responsive cavitand lanthanum complex. Dalton Trans 2019; 48:13732-13739. [DOI: 10.1039/c9dt03199e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A new, solvent responsive tetra-phosphonate cavitand lanthanum complex forms a dimer in acetonitrile, interconverts into a monomeric complex in acetone and is disassembled in methanol.
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Affiliation(s)
- Francesca Guagnini
- Dipartimento di Scienze Chimiche
- della Vita e della Sostenibilità Ambientale and INSTM UdR Parma
- Università di Parma
- 43123 Parma (PR)
- Italy
| | - Alessandro Pedrini
- Dipartimento di Scienze Chimiche
- della Vita e della Sostenibilità Ambientale and INSTM UdR Parma
- Università di Parma
- 43123 Parma (PR)
- Italy
| | - Timothy M. Swager
- Department of Chemistry and Institute for Soldier Nanotechnologies
- Massachusetts Institute of Technology
- Cambridge
- USA
| | - Chiara Massera
- Dipartimento di Scienze Chimiche
- della Vita e della Sostenibilità Ambientale and INSTM UdR Parma
- Università di Parma
- 43123 Parma (PR)
- Italy
| | - Enrico Dalcanale
- Dipartimento di Scienze Chimiche
- della Vita e della Sostenibilità Ambientale and INSTM UdR Parma
- Università di Parma
- 43123 Parma (PR)
- Italy
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121
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Li B, He T, Shen X, Tang D, Yin S. Fluorescent supramolecular polymers with aggregation induced emission properties. Polym Chem 2019. [DOI: 10.1039/c8py01396a] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
This review summarizes the recent developments in AIE fluorescent supramolecular polymeric materials based on different types of intermolecular noncovalent interactions, and their wide ranging applications as chemical sensors, organic electronic materials, bio-imaging agents and so on.
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Affiliation(s)
- Bo Li
- College of Material
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- P. R. China
| | - Tian He
- College of Material
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- P. R. China
| | - Xi Shen
- College of Material
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- P. R. China
| | - Danting Tang
- College of Material
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- P. R. China
| | - Shouchun Yin
- College of Material
- Chemistry and Chemical Engineering
- Hangzhou Normal University
- Hangzhou 310036
- P. R. China
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122
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Li B, He T, Fan Y, Yuan X, Qiu H, Yin S. Recent developments in the construction of metallacycle/metallacage-cored supramolecular polymers via hierarchical self-assembly. Chem Commun (Camb) 2019; 55:8036-8059. [PMID: 31206102 DOI: 10.1039/c9cc02472g] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Supramolecular polymers have received considerable attention during the last few decades due to their scientific value in polymer chemistry and profound implications for future developments of advanced materials. Discrete supramolecular coordination complexes (SCCs) with well-defined size, shape, and geometry have been widely employed to construct hierarchical systems by coordination-driven self-assembly with the spontaneous formation of metal-ligand bonds, which results in the formation of well-defined two-dimensional (2D) metallacycles or three-dimensional (3D) metallacages with high functionalities. The incorporation of discrete SCCs into supramolecular polymers by the orthogonal combination of metal-ligand coordination and other noncovalent interactions or covalent bonding could further facilitate the construction of novel supramolecular polymers with hierarchical architectures and multiple functions including controllable uptake and release of guest molecules, providing a flexible platform for the development of smart materials. In this review, the recent progress in metallacycle/metallacage-cored supramolecular polymers that were constructed by the combination of metal-ligand interactions and other orthogonal interactions (including hydrophobic or hydrophilic interactions, hydrogen bonding, van der Waals forces, π-π stacking, electrostatic interactions, host-guest interactions and covalent bonding) has been discussed. In addition, the potential applications of metallacycle/metallacage-cored supramolecular polymers in the areas of light emitting, sensing, bio-imaging, delivery and release, etc., are also presented.
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Affiliation(s)
- Bo Li
- College of Material, Chemistry and Chemical Engineering, Hangzhou Normal University, Hangzhou 310036, P. R. China.
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123
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Wei J, Jin TT, Yin YF, Jiang XM, Zheng ST, Zhan TG, Cui J, Liu LJ, Kong LC, Zhang KD. Red-light-responsive molecular encapsulation in water: an ideal combination of photochemistry and host–guest interaction. Org Chem Front 2019. [DOI: 10.1039/c8qo01157e] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Red-light-responsive CB[8]-mediated host–guest system featured with high photoisomerization ratio was fabricated which could be used as molecular container with red-light-activated release ability.
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124
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Luo Z, Deng Y, Li X, Zhang Q, Wu J, Qi Z, Jin L, Dong S. LCST behavior controlled by size-matching selectivity from low molecular weight monomer systems. NEW J CHEM 2019. [DOI: 10.1039/c9nj00846b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
LCST behavior was controlled by crown ether–cation recognition motifs via size-matching selectivity.
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Affiliation(s)
- Zheng Luo
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Yan Deng
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Xing Li
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Qiao Zhang
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
| | - Jianfeng Wu
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi’an
- P. R. China
| | - Zhenhui Qi
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi’an
- P. R. China
| | - Lin Jin
- Sino-German Joint Research Lab for Space Biomaterials and Translational Technology
- School of Life Sciences
- Northwestern Polytechnical University
- Xi’an
- P. R. China
| | - Shengyi Dong
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410082
- P. R. China
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125
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Xiao T, Zhong W, Zhou L, Xu L, Sun XQ, Elmes RB, Hu XY, Wang L. Artificial light-harvesting systems fabricated by supramolecular host–guest interactions. CHINESE CHEM LETT 2019. [DOI: 10.1016/j.cclet.2018.05.034] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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126
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Okuma Y, Tsukamoto T, Inagaki T, Miyagawa S, Kimura M, Naito M, Takaya H, Kawasaki T, Tokunaga Y. Rotational isomerism of the amide units in rotaxanes based on a cyclic tetraamide and secondary ammonium ions. Org Chem Front 2019. [DOI: 10.1039/c9qo00096h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We describe the synthesis of [2]rotaxanes consisting of a macrocyclic tetraamide and mono- and bis-ammonium ions and their conformational isomerism.
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Affiliation(s)
- Yukari Okuma
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
| | - Toshihiro Tsukamoto
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
| | - Takayuki Inagaki
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
| | - Shinobu Miyagawa
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
| | - Masaki Kimura
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
| | - Masaya Naito
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
| | - Hikaru Takaya
- International Research Center for Elements Science
- Institute for Chemical Research
- Kyoto University
- Uji 611-0011
- Japan
| | - Tsuneomi Kawasaki
- Department of Applied Chemistry
- Tokyo University of Science
- Tokyo 162-8601
- Japan
| | - Yuji Tokunaga
- Department of Materials Science and Engineering
- Faculty of Engineering
- University of Fukui
- Fukui 910-8507
- Japan
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127
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Liu P, Ma H, Han L, Shen H, Yang L, Li C, Hao X, Li Y. Investigation of the Locked-Unlocked Mechanism in Living Anionic Polymerization Realized with 1-(Tri-isopropoxymethylsilylphenyl)-1-phenylethylene. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201809857] [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)
- Pibo Liu
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Hongwei Ma
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Li Han
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Heyu Shen
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Lincan Yang
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Chao Li
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Xinyu Hao
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Yang Li
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
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128
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Affiliation(s)
- Teresa L. Mako
- Department of Chemistry, University of Rhode Island, 140 Flagg Road, Kingston, Rhode Island 02881, United States
| | - Joan M. Racicot
- Department of Chemistry, University of Rhode Island, 140 Flagg Road, Kingston, Rhode Island 02881, United States
| | - Mindy Levine
- Department of Chemistry, University of Rhode Island, 140 Flagg Road, Kingston, Rhode Island 02881, United States
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129
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Liu P, Ma H, Han L, Shen H, Yang L, Li C, Hao X, Li Y. Investigation of the Locked-Unlocked Mechanism in Living Anionic Polymerization Realized with 1-(Tri-isopropoxymethylsilylphenyl)-1-phenylethylene. Angew Chem Int Ed Engl 2018; 57:16538-16543. [DOI: 10.1002/anie.201809857] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Pibo Liu
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Hongwei Ma
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Li Han
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Heyu Shen
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Lincan Yang
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Chao Li
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Xinyu Hao
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
| | - Yang Li
- State Key Laboratory of Fine Chemicals; Department of Polymer Science and Engineering, Liaoning Key Laboratory of Polymer Science and Engineering; School of Chemical Engineering; Dalian University of Technology; Dalian 116024 China
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130
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Sarkar S, Sarkar P, Ghosh P. Selective Single-Step Oxidation of Amine to Cross-Azo Compounds with an Unhampered Primary Benzyl Alcohol Functionality. Org Lett 2018; 20:6725-6729. [PMID: 30350675 DOI: 10.1021/acs.orglett.8b02829] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
This is the first report of a single-step synthesis of primary benzyl alcohol containing different cross-azo compounds (14 examples) by Cu(II) in the presence of a newly synthesized amino-ether heteroditopic macrobicycle cage. Interestingly, even with extreme conditions, the benzyl alcohol remains unoxidized by the Cu(II) catalyst due to the protective etherial pocket of the cage.
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Affiliation(s)
- Sayan Sarkar
- School of Chemical Sciences , Indian Association for the Cultivation of Science , 2A & 2B Raja S.C. Mullick Road , Kolkata 700032 , India
| | - Piyali Sarkar
- School of Chemical Sciences , Indian Association for the Cultivation of Science , 2A & 2B Raja S.C. Mullick Road , Kolkata 700032 , India
| | - Pradyut Ghosh
- School of Chemical Sciences , Indian Association for the Cultivation of Science , 2A & 2B Raja S.C. Mullick Road , Kolkata 700032 , India
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131
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Li X, Wang L, Deng Y, Luo Z, Zhang Q, Dong S, Han C. Preparation of cross-linked supramolecular polymers based on benzo-21-crown-7/secondary ammonium salt host-guest interactions. Chem Commun (Camb) 2018; 54:12459-12462. [PMID: 30335096 DOI: 10.1039/c8cc07657j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We found that TC7 not only self-assembles into one-dimensional supramolecular aggregates in chloroform, but also forms cross-linked supramolecular polymers via host-guest complexation between benzo-21-crown-7 and secondary ammonium salts. Compared with one-dimensional linear supramolecular polymers, soft and long viscous fibers were pulled out from a concentrated solution of cross-linked supramolecular polymers as a result of higher viscosity and lower diffusion coefficients.
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Affiliation(s)
- Xing Li
- College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, Hunan, P. R. China.
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132
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Xiao T, Xu L, Zhou L, Sun XQ, Lin C, Wang L. Dynamic hydrogels mediated by macrocyclic host-guest interactions. J Mater Chem B 2018; 7:1526-1540. [PMID: 32254900 DOI: 10.1039/c8tb02339e] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Hydrogels have attracted increasing research interest in recent years due to their dynamic properties and potential applications in biomaterials. Concurrently, macrocycle-based host-guest interactions have played an important role in the development of supramolecular chemistry. Recently, research towards dynamic hydrogels mediated by various macrocyclic host-guest interactions has been gradually disclosed. In this review, we will outline the burgeoning progress in the development of functional hydrogels mediated by various host molecules, such as cyclodextrins, cucurbit[n]urils, calix[n]arenes, pillar[n]arenes, and other macrocycles. Smart hydrogels with outstanding properties, like biocompatibility, toughness, and self-healing, are mainly focused. We believe that this review will highlight the potential of dynamic hydrogels mediated by macrocycle-based host-guest interactions.
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Affiliation(s)
- Tangxin Xiao
- School of Petrochemical Engineering, Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, Changzhou University, Changzhou, 213164, China.
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133
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Zhang S, Zhao L. Macrocycle-Encircled Polynuclear Metal Clusters: Controllable Synthesis, Reactivity Studies, and Applications. Acc Chem Res 2018; 51:2535-2545. [PMID: 30199219 DOI: 10.1021/acs.accounts.8b00283] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Macrocyclic ligands have been extensively applied to recognize single metal ions with high selectivity and good affinity based on the size-match principle. The resulting metal-macrocycle complexes play a significant role in mimicking the function of natural metal ion carriers and understanding and reproducing the catalytic activity of metalloenzymes. Because of the known macrocyclic effect, those single metal-macrocycle adducts often show an enhanced kinetic and thermodynamic stability in comparison with their open-chain analogues. By virtue of such extraordinary coordination properties of macrocyclic ligands, it is expected that larger macrocycles with multiple coordination sites could properly act as an outer scaffold to direct the formation of multiatom species inside, such as polynuclear metal cluster aggregates, whose assembly may largely depend on the template positioning of coordinative atoms in the macrocyclic ring. Thus, the employment of polydentate macrocyclic ligands may provide a convenient tool to access polynuclear metal clusters in a controllable way. In this Account, we review our studies of the metal ion binding process of a class of polydentate macrocyclic ligands, azacalixpyridines (Py[ n]s), and the application of Py[ n]s as an outer template to direct the controllable synthesis of polynuclear metal clusters. Our investigations revealed that Py[ n]s show a significant cooperative coordination effect in the metal ion binding process that facilitated the easy formation of a polymetallic assembled structure. Taking advantage of the cooperative coordination effect and the tunable and highly fluxional conformation of Py[ n]s, we laid our focus on control of the nuclearity number by tuning the size of Py[ n]s and the adoption of Py[ n]s with different anionic centers in metal cluster synthesis. As an important example for application, this new established macrocycle-directed method has been employed to achieve a variety of metal-cluster-centered capsule, rotaxane, catenane, polygon, and other supramolecular assemblies. Furthermore, a cluster-to-cluster transformation inside the cavity of Py[ n]s is presented to showcase the use of the acquired metal cluster-macrocycle complexes to achieve unconventional metal cluster entities. With regard to the application of the newly synthesized macrocycle-encircled metal clusters, examples of the fabrication of functional materials and catalysts are presented. With the assistance of Py[ n]s, a bulk-to-cluster-to-nanoparticle transformation of silver sulfide (Ag2S) and silver halides (AgX) has been conducted to produce a series of nonstoichiometric silver sulfide and halide nanoparticles. The resulting Ag-S nanoparticle material with a high Ag/S ratio, which is inherited from the Py[ n]-protected polysilver sulfide clusters, has a large energy gap relative to conventional Ag2S nanoparticles. Moreover, the nonstoichiometric silver halide nanoparticles can act as a new kind of electrocatalyst for the chlorine evolution reaction, showing excellent selectivity and high catalytic efficiency. Overall, in this Account we try to highlight the application of polydentate macrocycles as an outer template to guide the synthesis of polynuclear metal clusters in a controllable manner. This unique synthesis will provide a new avenue to access unconventional metal clusters of different metal kinds and diverse anionic centers, which are expected to have promising and significant applications in many interdisciplinary areas of chemistry.
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Affiliation(s)
- Siqi Zhang
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
| | - Liang Zhao
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China
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134
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Duan Q, Zhao Q, Lu C, Lu K. pH-Responsive Host-Guest Complexations between Carboxylatopillar[5]arene or Carboxylatopillar[6]arene and N,N′-Bis(4-pyridylmethyl)-1,4-diaminobutane Dihydrochloride. CHEM LETT 2018. [DOI: 10.1246/cl.180608] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Qunpeng Duan
- School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou 451191, P. R. China
| | - Qiankun Zhao
- School of Resources and Environmental Engineering, Henan University of Engineering, Zhengzhou 451191, P. R. China
| | - Chennan Lu
- School of Resources and Environmental Engineering, Henan University of Engineering, Zhengzhou 451191, P. R. China
| | - Kui Lu
- School of Material and Chemical Engineering, Henan University of Engineering, Zhengzhou 451191, P. R. China
- School of Chemical Engineering and Food Science, Zhengzhou Institute of Technology, Zhengzhou 450044, P. R. China
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135
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Bej S, Ghosh P. Naphthalene containing amino-ether macrocycle based Cu(ii) templated [2]pseudorotaxanes and OFF/ON fluorescence switching via axle substitution. Dalton Trans 2018; 47:13408-13418. [PMID: 30183026 DOI: 10.1039/c8dt02848f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
A new naphthalene containing macrocycle, NaphMC, and a new fluorophoric bidentate linear axle derivative of 5,5'-dimethyl-2,2'-bipyridine (L3) along with two other ligands 1,10-phenanthroline (L1) and 5,5'-dimethyl-2,2'-bipyridine (L2) are explored towards the synthesis of Cu(ii) templated [2]pseudorotaxanes. All ternary complexes are well characterized by ESI-MS, UV/Vis, EPR spectroscopy, elemental analysis and emission spectroscopic studies. Single crystal X-ray diffraction studies confirm the geometry around the Cu(ii) center as a distorted trigonal bipyramid via the contribution of [3 + 2] orthogonal motifs of the wheel (NaphMC) and the bidentate chelating ligands L1 and L2 in the cases of pseudorotaxanes, CuPR1 and CuPR2, respectively. Furthermore, the fluorescence "OFF" state of the fluorophoric axle L3 is achieved via threading it to the Cu(ii) complex of NaphMC, whereas fluorescence switching "ON" is demonstrated by the substitution of L3 of CuPR3 with a stronger chelating ligand L1.
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Affiliation(s)
- Somnath Bej
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata 700032, India.
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136
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Walker TL, Taschner IS, Chandra M S, Taschner MJ, Engle JT, Schrage BR, Ziegler CJ, Gao X, Wheeler SE. Lone-Pair-Induced Topicity Observed in Macrobicyclic Tetra-thia Lactams and Cryptands: Synthesis, Spectral Identification, and Computational Assessment. J Org Chem 2018; 83:10025-10036. [PMID: 30067366 DOI: 10.1021/acs.joc.8b01382] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The synthesis of a rigid macrobicyclic N,S lactam L1 and a topologically favored in/in N,S cryptand L2 are reported with X-ray structure analysis, dynamic correlation NMR spectroscopy, and computational analysis. Lactam L1 exhibits two distinct rotameric conformations (plus their enantiomeric counterparts) at 25 °C, as confirmed via NMR spectroscopy and computational analysis. Coalescence of the resonances of L1 was observed at 115 °C, allowing for complete nuclei to frequency correlation. Combining computational investigations with experimental data, topological equilibria and relative energies/strain relating to the perturbation of the pore were determined. Due to the increased conformational strain of the N2S2 template, the nitrogen lone pairs in L2 elicit a unique transannular interaction, resulting in a thermodynamically favored in/in nephroidal racemate. The combination of preferred topology, steric relief, and electronic localization of L2 induces a chiral environment imparted through the amine with a computed inversion barrier of 10.3 kcal mol-1.
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Affiliation(s)
- Tia L Walker
- Department of Chemistry , Indiana University Northwest , Gary , Indiana 46408 , United States
| | - Ian S Taschner
- Department of Chemistry , Indiana University Northwest , Gary , Indiana 46408 , United States
| | - Sharath Chandra M
- Department of Chemistry , Texas A&M University , College Station , Texas 77842 , United States
| | - Michael J Taschner
- Department of Chemistry , The University of Akron , Akron , Ohio 44325 , United States
| | - James T Engle
- Department of Chemistry , The University of Akron , Akron , Ohio 44325 , United States
| | - Briana R Schrage
- Department of Chemistry , The University of Akron , Akron , Ohio 44325 , United States
| | - Christopher J Ziegler
- Department of Chemistry , The University of Akron , Akron , Ohio 44325 , United States
| | - Xinfeng Gao
- Department of Chemistry , Indiana University Bloomington , Bloomington , Indiana 47405 , United States
| | - Steven E Wheeler
- Department of Chemistry , Texas A&M University , College Station , Texas 77842 , United States.,Center for Computational Quantum Chemistry, Department of Chemistry , University of Georgia , Athens , Georgia 30602 , United States
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137
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Kim TY, Vasdev RAS, Preston D, Crowley JD. Strategies for Reversible Guest Uptake and Release from Metallosupramolecular Architectures. Chemistry 2018; 24:14878-14890. [DOI: 10.1002/chem.201802081] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Indexed: 01/11/2023]
Affiliation(s)
- Tae Y. Kim
- Department of Chemistry; University of Otago; PO Box 56 Dunedin New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology; University of Wellington, PO Box 600; Wellington New Zealand
| | - Roan A. S. Vasdev
- Department of Chemistry; University of Otago; PO Box 56 Dunedin New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology; University of Wellington, PO Box 600; Wellington New Zealand
| | - Dan Preston
- Department of Chemistry; University of Otago; PO Box 56 Dunedin New Zealand
| | - James D. Crowley
- Department of Chemistry; University of Otago; PO Box 56 Dunedin New Zealand
- MacDiarmid Institute for Advanced Materials and Nanotechnology; University of Wellington, PO Box 600; Wellington New Zealand
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138
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Zhiquan L, Xie H, Border SE, Gallucci J, Pavlović RZ, Badjić JD. A Stimuli-Responsive Molecular Capsule with Switchable Dynamics, Chirality, and Encapsulation Characteristics. J Am Chem Soc 2018; 140:11091-11100. [PMID: 30099876 DOI: 10.1021/jacs.8b06190] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Lei Zhiquan
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Han Xie
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Sarah E. Border
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Judith Gallucci
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Radoslav Z. Pavlović
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
| | - Jovica D. Badjić
- Department of Chemistry & Biochemistry, The Ohio State University, 100 West 18th Avenue, Columbus, Ohio 43210, United States
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139
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Zhang Z, Shao L, Yang J. A phosphonated copillar[5]arene: Synthesis and application in the construction of pH-responsive supramolecular polymer in water. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.06.058] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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140
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Kakuta T, Yamagishi TA, Ogoshi T. Stimuli-Responsive Supramolecular Assemblies Constructed from Pillar[ n]arenes. Acc Chem Res 2018; 51:1656-1666. [PMID: 29889488 DOI: 10.1021/acs.accounts.8b00157] [Citation(s) in RCA: 198] [Impact Index Per Article: 33.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Supramolecular assemblies are constructed from at least two molecules through various noncovalent bonding modes such as hydrogen bonding, cationic-anionic electrostatic interactions, aromatic interactions, metal-ligand bonding, hydrophobic-hydrophilic interactions, and charge-transfer interactions. Owing to the dynamic and reversible nature of these noncovalent bonds, the assembly and disassembly of these molecules are dynamic and reversible. Molecules self-assemble to form the most conformationally and thermally stable structures through these noncovalent interactions. The formation of these noncovalent interactions is affected by the properties of the environment such as its polarity, temperature, and pressure; thus, the structure of the assembled compounds is determined by the environment. The sizes and shapes of the supramolecular assemblies play an important role in determining their functions. Therefore, controlling their size and shape is important. Introducing stimuli-responsive groups into supramolecular assemblies is a useful way to control their size and shape. Controlling supramolecular structures and motions with external stimuli, i.e., periodic and rotational motions on the molecular scale, structures, and molecular weights at the nano- and micrometer scales, visible shrinking/expansion, and adhesive behavior at a macroscopic scale, is very useful. Macrocyclic host molecules are useful building blocks for the construction of stimuli-responsive supramolecular assemblies because their host ability can be tuned by changing the shape and electron density of the cavity. The size-dependent hosting ability of the cavity is similar to the lock-and-key model in biological systems. Stimuli-responsive supramolecular assemblies have been developed by using macrocyclic compounds such as cyclodextrins, cucurbit[ n]urils, calix[ n]arenes, crown ethers, and related macrocycles. We successfully developed new pillar-shaped macrocyclic hosts in 2008, which were coined pillar[ n]arenes. The unique structural features of pillar[ n]arenes allowed new properties. This year, 2018, marks one decade of research into pillar[ n]arene chemistry, and in that time the properties of pillar[ n]arenes have been widely investigated by various scientists. Thanks to their efforts, the characteristic properties of pillar[ n]arenes that result from their pillar-shaped structures have been elucidated. Their host ability, the chirality of their pillar-shaped structure, and their versatile functionality are unique features of pillar[ n]arenes not seen in other well-known hosts, and these properties are very useful for the creation of new stimuli-responsive supramolecular assemblies. In this Account, we describe photo-, pH- and redox-responsive supramolecular assemblies based on pillar[ n]arenes. First, we discuss molecular-scale stimuli-responsive supramolecular assemblies, i.e., pseudorotaxanes, pseudocatenanes, and supramolecular polymers. We also highlight subnanometer- and micrometer-scale stimuli-responsive supramolecular assembles such as particles and vesicles. Finally, we discuss the macroscopic stimuli-responsive structural changes of surfaces and gels. This Account will provide useful information for researchers working on not only pillar[ n]arene chemistry but also the chemistry of other macrocyclic hosts, and it will inspire new discoveries in the field of supramolecular assemblies and systems containing macrocyclic hosts.
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Affiliation(s)
- Takahiro Kakuta
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Tada-aki Yamagishi
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Tomoki Ogoshi
- Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
- WPI Nano Life Science Institute, Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
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141
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142
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Pederson AM, Price TL, Schoonover DV, Slebodnick C, Gibson HW. “Reverse” pyridyl cryptands as hosts for viologens. HETEROATOM CHEMISTRY 2018. [DOI: 10.1002/hc.21422] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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143
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Lar C, Woiczechowski-Pop A, Bende A, Grosu IG, Miklášová N, Bogdan E, Hădade ND, Terec A, Grosu I. A three-armed cryptand with triazine and pyridine units: synthesis, structure and complexation with polycyclic aromatic compounds. Beilstein J Org Chem 2018; 14:1370-1377. [PMID: 29977401 PMCID: PMC6009098 DOI: 10.3762/bjoc.14.115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Accepted: 05/17/2018] [Indexed: 12/19/2022] Open
Abstract
The aromatic nucleophilic substitution reaction based synthesis of a three-armed cryptand displaying 2,4,6-triphenyl-1,3,5-triazine units as caps and pyridine rings in the bridges, along with NMR, MS and molecular modelling-based structural analysis of this compound are reported. Appropriate NMR and molecular modelling investigations proved the formation of 1:1 host–guest assemblies between the investigated cryptand and some polynuclear aromatic hydrocarbons or their derivatives.
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Affiliation(s)
- Claudia Lar
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos str., 400028, Cluj-Napoca, Romania.,National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath str., RO-400293, Cluj-Napoca, Romania
| | - Adrian Woiczechowski-Pop
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos str., 400028, Cluj-Napoca, Romania
| | - Attila Bende
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath str., RO-400293, Cluj-Napoca, Romania
| | - Ioana Georgeta Grosu
- National Institute for Research and Development of Isotopic and Molecular Technologies, 67-103 Donath str., RO-400293, Cluj-Napoca, Romania
| | - Natalia Miklášová
- Department of Chemical Theory of Drugs, Faculty of Pharmacy, Comenius University in Bratislava, Kalinčiakova 8, 83104, Bratislava, Slovakia
| | - Elena Bogdan
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos str., 400028, Cluj-Napoca, Romania
| | - Niculina Daniela Hădade
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos str., 400028, Cluj-Napoca, Romania
| | - Anamaria Terec
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos str., 400028, Cluj-Napoca, Romania
| | - Ion Grosu
- Babes-Bolyai University, Faculty of Chemistry and Chemical Engineering, Department of Chemistry and SOOMCC, Cluj-Napoca, 11 Arany Janos str., 400028, Cluj-Napoca, Romania
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144
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Han Y, Xu LM, Nie CY, Jiang S, Sun J, Yan CG. Synthesis of diamido-bridged bis-pillar[5]arenes and tris-pillar[5]arenes for construction of unique [1]rotaxanes and bis-[1]rotaxanes. Beilstein J Org Chem 2018; 14:1660-1667. [PMID: 30013692 PMCID: PMC6036973 DOI: 10.3762/bjoc.14.142] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 06/20/2018] [Indexed: 12/16/2022] Open
Abstract
The pillar[5]arene mono- and di(oxyalkoxy)benzoic acids were successfully prepared in high yields by sequential alkylation of ω-bromoalkoxy-substituted pillar[5]arenes with methyl or ethyl p-hydroxybenzoate followed by a hydrolytic reaction under basic conditions. Under catalysis of HOBt/EDCl, the amidation reaction of pillar[5]arene mono(oxybutoxy)benzoic acid with monoamido-functionalized pillar[5]arenes afforded diamido-bridged bis-pillar[5]arenes. 1H NMR and 2D NOESY spectra clearly indicated that [1]rotaxanes were formed by insertion of longer diaminoalkylene unit into the cavity of one pillar[5]arene with another pillar[5]arene acting as a stopper. The similar catalysed amidation reaction of pillar[5]arene di(oxybutoxy)benzoic acid with monoamido-functionalized pillar[5]arenes resulted in the diamido-bridged tris-pillar[5]arenes, which successfully form the unique bis-[1]rotaxanes bearing longer than diaminopropylene diamido bridges.
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Affiliation(s)
- Ying Han
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China
| | - Li-Ming Xu
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China
| | - Cui-Yun Nie
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China
| | - Shuo Jiang
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China
| | - Jing Sun
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China
| | - Chao-Guo Yan
- College of Chemistry & Chemical Engineering, Yangzhou University, Yangzhou 225002, P. R. China
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145
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Gerus A, Ślepokura K, Panek J, Turek A, Lisowski J. Chiral Cryptates Derived from a Hexaazamacrocycle. J Org Chem 2018; 83:6748-6753. [PMID: 29774743 DOI: 10.1021/acs.joc.8b00670] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The reactions of hexaazamacrocycle 1 with 2,6-bis(bromomethyl)pyridine or 2,6-bis[(tosyloxy)methyl)]pyridine in the presence of appropriate carbonates result in the formation of derivatives of cryptand 6: enantiopure azacryptates of sodium and potassium. Crystal structures of these compounds indicate interaction of a metal ion with four pyridine nitrogen atoms and four tertiary amine atoms. The competition reactions monitored by NMR spectroscopy indicate preferential binding of Na+ over K+ as well as higher affinity of 6 for Na+ in comparison with the [2.2.1] cryptand.
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Affiliation(s)
- Aleksandra Gerus
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Katarzyna Ślepokura
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Jarosław Panek
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Aleksandra Turek
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
| | - Jerzy Lisowski
- Department of Chemistry , University of Wrocław , 14 F. Joliot-Curie , 50-383 Wrocław , Poland
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146
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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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147
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Acikbas Y, Bozkurt S, Erdogan M, Halay E, Sirit A, Capan R. Optical and Vapor Sensing Properties of Calix[4]arene Langmuir-Blodgett Thin Films with Host–Guest Principles. JOURNAL OF MACROMOLECULAR SCIENCE PART A-PURE AND APPLIED CHEMISTRY 2018. [DOI: 10.1080/10601325.2018.1476824] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Affiliation(s)
- Yaser Acikbas
- Department of Materials Science and Nanotechnology Engineering, Faculty of Engineering, University of Usak, Usak, Turkey
| | - Selahattin Bozkurt
- Department of Chemistry, Scientific Analysis Technological Application and Research Center, Usak University, Usak, Turkey
- Department of Medical Laboratory Techniques, Vocational School of Health Services, Usak University, Usak, Turkey
| | - Matem Erdogan
- Department of Physics, Faculty of Science, University of Balıkesir, Balikesir, Turkey
| | - Erkan Halay
- Department of Chemistry, Scientific Analysis Technological Application and Research Center, Usak University, Usak, Turkey
- Department of Chemistry and Chemical Processing Technologies, Banaz Vocational School, Usak University, Usak, Turkey
| | - Abdulkadir Sirit
- Department of Chemistry, Necmettin Erbakan University, Meram, Konya, Turkey
| | - Rifat Capan
- Department of Physics, Faculty of Science, University of Balıkesir, Balikesir, Turkey
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148
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149
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Rui L, Xue Y, Wang Y, Gao Y, Zhang W. A mitochondria-targeting supramolecular photosensitizer based on pillar[5]arene for photodynamic therapy. Chem Commun (Camb) 2018; 53:3126-3129. [PMID: 28245021 DOI: 10.1039/c7cc00950j] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A mitochondria-targeting supramolecular photosensitizer system TPP-QAS/WP5/DTAB was constructed based on a host-guest inclusion complex. The supramolecular system could efficiently release and activate TPP-QASs in an acidic environment, which have been demonstrated to preferentially accumulate in mitochondria. Singlet oxygen (1O2) could be in situ generated in mitochondria under light irradiation, further enhancing the PDT efficacy.
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Affiliation(s)
- Leilei Rui
- Shanghai Key Laboratory of Advanced Polymeric Materials, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Yudong Xue
- Shanghai Key Laboratory of Advanced Polymeric Materials, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Yong Wang
- State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University, Nanjing 210009, China
| | - Yun Gao
- Shanghai Key Laboratory of Advanced Polymeric Materials, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
| | - Weian Zhang
- Shanghai Key Laboratory of Advanced Polymeric Materials, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, China.
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150
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Wang D, Zhao W, Wei Q, Zhao C, Zheng Y. Photoswitchable Azobenzene/Cyclodextrin Host-Guest Complexes: From UV- to Visible/Near-IR-Light-Responsive Systems. CHEMPHOTOCHEM 2018. [DOI: 10.1002/cptc.201700233] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Dongsheng Wang
- School of Optoelectronic Information; University of Electronic Science and Technology of China, No. 4, Section 2; North Jianshe Road 610054 Chengdu China
| | - Weifeng Zhao
- College of Polymer Science and Engineering; Sichuan University, No. 24 South Section 1; Yihuan Road Chengdu China
| | - Qiang Wei
- Department of Cellular Biophysics; Max-Planck-Institute for Medical Research, Heidelberg; Heisenbergstr. 3 70569 Stuttgart Germany
| | - Changsheng Zhao
- College of Polymer Science and Engineering; Sichuan University, No. 24 South Section 1; Yihuan Road Chengdu China
| | - Yonghao Zheng
- School of Optoelectronic Information; University of Electronic Science and Technology of China, No. 4, Section 2; North Jianshe Road 610054 Chengdu China
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