1
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Oggioni M, Clough JM, Weder C. Mechanochromic polymer blends made with an excimer-forming telechelic sensor molecule. SOFT MATTER 2024; 20:2126-2131. [PMID: 38349528 PMCID: PMC10900888 DOI: 10.1039/d3sm01489d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Accepted: 02/05/2024] [Indexed: 02/29/2024]
Abstract
The ability to monitor mechanical stresses and strains in polymers via an optical signal enables the investigation of deformation processes in such materials and is technologically useful for sensing damage and failure in critical components. We show here that this can be achieved by simply blending polymers of interest with a small amount of a mechanochromic luminescent additive (Py-PEB) that can be accessed in one step by end-functionalizing a telechelic poly(ethylene-co-butylene) (PEB) with excimer-forming pyrenes. Py-PEB is poorly miscible with polar polymers, such as poly(ε-caprolactone) and poly(urethane), so that blends undergo microphase separation even at low additive concentrations (0.1-1 wt%), and the emission is excimer-dominated. Upon deformation, the ratio of excimer-to-monomer emission intensity decreases in response to the applied stress or strain. The approach appears to be generalizable, although experiments with poly(isoprene) show that it is not universal and that the (in)solubility of the additive in the polymer must be carefully tuned.
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Affiliation(s)
- Marta Oggioni
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg CH-1700, Switzerland.
| | - Jess M Clough
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg CH-1700, Switzerland.
- National Center of Competence in Research Bio-inspired Materials, Chemin des Verdiers 4, Fribourg CH-1700, Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, Fribourg CH-1700, Switzerland.
- National Center of Competence in Research Bio-inspired Materials, Chemin des Verdiers 4, Fribourg CH-1700, Switzerland
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2
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Xiao CL, Kobayashi Y, Tsuji Y, Harada A, Yamaguchi H. Efficient Synthesis of Cyclic Poly(ethylene glycol)s under High Concentration Conditions by the Assistance of Pseudopolyrotaxane with Cyclodextrin Derivatives. ACS Macro Lett 2023; 12:1498-1502. [PMID: 37874266 DOI: 10.1021/acsmacrolett.3c00527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
An efficient synthesis of cyclic polymers (CPs) is in high demand due to their unique properties. However, polymer cyclization generally occurs at low concentrations (0.1 g/L), and the synthesis of CPs at high concentrations remains a challenge. Herein an efficient cyclization of poly(ethylene glycol) (Mn = 2000 g/mol, 4000 g/mol) (PEG-2k, PEG-4k) in high concentration (80 g/L) is realized by the assistance of pseudopolyrotaxane (pPRx). Water-soluble pPRx with a U-like-shape inclusion motif is prepared by mixing the 2-hydroxypropyl-γ-cyclodextrin (HPγCD) and PEG with (E)-3,4,5-trimethoxycinnamate (TCA-PEG-2k, TCA-PEG-4k). Subsequent irradiation of the pPRx solution (10-80 g/L) by UV light gives cyclic polymers through the intramolecular [2 + 2] photocycloaddition of the cinnamoyl moieties. The photoreaction of TCA-PEG-2k in the pPRx system gives cyclic monomers (C-1mer) as major products with a yield of 66% at 80 g/L. Additionally, the cyclization of TCA-PEG-4k also gives C-1mer as major products with a yield of 45% at a concentration of 80 g/L.
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Affiliation(s)
- Chun-Lin Xiao
- Department of Macromolecular Science, Graduate School of Science Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Yuichiro Kobayashi
- Department of Macromolecular Science, Graduate School of Science Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI) Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
- Project Research Center for Fundamental Sciences, Graduate School of Science Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Yoshihiro Tsuji
- Department of Macromolecular Science, Graduate School of Science Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Akira Harada
- The Institute of Scientific and Industrial Research Osaka University, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
| | - Hiroyasu Yamaguchi
- Department of Macromolecular Science, Graduate School of Science Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI) Osaka University, 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
- Project Research Center for Fundamental Sciences, Graduate School of Science Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
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3
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Ochs J, Pagnacco CA, Barroso-Bujans F. Macrocyclic polymers: Synthesis, purification, properties and applications. Prog Polym Sci 2022. [DOI: 10.1016/j.progpolymsci.2022.101606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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4
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Chen C, Weil T. Cyclic polymers: synthesis, characteristics, and emerging applications. NANOSCALE HORIZONS 2022; 7:1121-1135. [PMID: 35938292 DOI: 10.1039/d2nh00242f] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cyclic polymers with a ring-like topology and no chain ends are a unique class of macromolecules. In the past several decades, significant advances have been made to prepare these fascinating polymers, which allow for the exploration of their topological effects and potential applications in various fields. In this Review, we first describe representative synthetic strategies for making cyclic polymers and their derivative topological polymers with more complex structures. Second, the unique physical properties and self-assembly behavior of cyclic polymers are discussed by comparing them with their linear analogues. Special attention is paid to highlight how polymeric rings can assemble into hierarchical macromolecular architectures. Subsequently, representative applications of cyclic polymers in different fields such as drug and gene delivery and surface functionalization are presented. Last, we envision the following key challenges and opportunities for cyclic polymers that may attract future attention: large-scale synthesis, efficient purification, programmable folding and assembly, and expansion of applications.
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Affiliation(s)
- Chaojian Chen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
- Department of Chemistry and International Institute for Nanotechnology, Northwestern University, Evanston, Illinois 60208, USA
| | - Tanja Weil
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany.
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5
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Zhao H, Shen FF, Sun JF, Gao ZZ. Cucurbit[8]uril-controlled [2 + 2] photodimerization of styrylpyridinium molecule. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109536] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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6
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Paderes MC, Diaz MJ, Pagtalunan CA, Bruzon DA, Tapang GA. Photo-Controlled [4+4] Cycloaddition of Anthryl-Polymer Systems: A Versatile Approach to Fabricate Functional Materials. Chem Asian J 2022; 17:e202200193. [PMID: 35452165 DOI: 10.1002/asia.202200193] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 04/11/2022] [Indexed: 11/07/2022]
Abstract
The reversible photo-induced [4+4] cycloaddition reaction of anthracene enables multiple cycles of dimerization and scission, allowing phototunable linkage of molecular fragments for the synthesis of polymer scaffolds. New functional materials ranging from hydrogels to shape-memory polymers were designed from anthryl-polymer systems because of their diverse photochemical reactivity and responsiveness. Light as an external stimulus allows for the remote and precise spatiotemporal control of materials without the need for additional reagents. Depending on how the photoreactive anthracene moieties were introduced, the interaction of anthryl-polymer systems with light results in various processes such as polymerization, cyclization, and cross-linking. Structural modifications of anthracene derivatives could shift their absorption from the ultraviolet to the visible light region, widening their range of applications including biologically relevant studies. These applications are further diversified and enhanced by the reversibility of the dimerization reaction using light and heat as stimuli. In this review, current developments in the synthesis and photodimerization of anthracene-containing polymers and their emerging applications in the fabrication of new materials are discussed.
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Affiliation(s)
- Monissa C Paderes
- University of the Philippines Diliman, Institute of Chemistry, Regidor St., 1101, Quezon City, PHILIPPINES
| | - Mark Jeffrey Diaz
- University of the Philippines Diliman, Institute of Chemistry, 1101, Quezon City, PHILIPPINES
| | - Cris Angelo Pagtalunan
- University of the Philippines Diliman, Institute of Chemistry, 1101, Quezon City, PHILIPPINES
| | - Dwight Angelo Bruzon
- University of the Philippines Diliman, Materials Science and Engineering, 1101, Quezon City, PHILIPPINES
| | - Giovanni A Tapang
- University of the Philippines Diliman, National Institute of Physics, 1101, Quezon City, PHILIPPINES
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7
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Geng JS, Mei L, Liang YY, Yuan LY, Yu JP, Hu KQ, Yuan LH, Feng W, Chai ZF, Shi WQ. Controllable photomechanical bending of metal-organic rotaxane crystals facilitated by regioselective confined-space photodimerization. Nat Commun 2022; 13:2030. [PMID: 35440111 PMCID: PMC9019062 DOI: 10.1038/s41467-022-29738-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Accepted: 03/29/2022] [Indexed: 01/14/2023] Open
Abstract
Molecular machines based on mechanically-interlocked molecules (MIMs) such as (pseudo) rotaxanes or catenates are known for their molecular-level dynamics, but promoting macro-mechanical response of these molecular machines or related materials is still challenging. Herein, by employing macrocyclic cucurbit[8]uril (CB[8])-based pseudorotaxane with a pair of styrene-derived photoactive guest molecules as linking structs of uranyl node, we describe a metal-organic rotaxane compound, U-CB[8]-MPyVB, that is capable of delivering controllable macroscopic mechanical responses. Under light irradiation, the ladder-shape structural unit of metal-organic rotaxane chain in U-CB[8]-MPyVB undergoes a regioselective solid-state [2 + 2] photodimerization, and facilitates a photo-triggered single-crystal-to-single-crystal (SCSC) transformation, which even induces macroscopic photomechanical bending of individual rod-like bulk crystals. The fabrication of rotaxane-based crystalline materials with both photoresponsive microscopic and macroscopic dynamic behaviors in solid state can be promising photoactuator devices, and will have implications in emerging fields such as optomechanical microdevices and smart microrobotics.
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Affiliation(s)
- Jun-Shan Geng
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China.,Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Lei Mei
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China.
| | - Yuan-Yuan Liang
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China
| | - Li-Yong Yuan
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China
| | - Ji-Pan Yu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China
| | - Kong-Qiu Hu
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China
| | - Li-Hua Yuan
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, College of Chemistry, Sichuan University, Chengdu, 610064, China
| | - Wen Feng
- Key Laboratory of Radiation Physics and Technology of the Ministry of Education, Institute of Nuclear Science and Technology, College of Chemistry, Sichuan University, Chengdu, 610064, China.
| | - Zhi-Fang Chai
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China.,Engineering Laboratory of Advanced Energy Materials, Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang, China
| | - Wei-Qun Shi
- Laboratory of Nuclear Energy Chemistry, Institute of High Energy Physics, Chinese Academy of Sciences, 100049, Beijing, China.
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8
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Bhaumik SK, Biswas R, Banerjee S. Cucurbituril Based Luminescent Materials in Aqueous Media and Solid State. Chem Asian J 2021; 16:2195-2210. [PMID: 34159742 DOI: 10.1002/asia.202100594] [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: 06/01/2021] [Revised: 06/22/2021] [Indexed: 11/07/2022]
Abstract
Cucurbit[n]urils, the pumpkin shaped macrocyclic host molecules possessing a hydrophobic cavity and two identical carbonyl portals, have drawn a lot of attention in recent years due to their high-affinity yet dynamic molecular recognition properties in water. The reversible and stimuli-responsive nature of their host-guest complexes imparts "smart" features leading to materials with intriguing optical, mechanical and morphological properties. In this review, we focus on the design of cucurbituril based luminescent materials in aqueous media as well in solid or film state. The design principles of fluorescent complexes, small assemblies as well as supramolecular polymers along with their stimuli-responsive properties and applications in diverse areas such as optoelectronic devices, light harvesting, anti-counterfeiting and information technology, cell imaging, etc are highlighted with selected examples from recent literature. We also discuss examples of room temperature phosphorescent materials derived from purely organic luminogens in the presence of cucurbiturils.
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Affiliation(s)
- Shubhra Kanti Bhaumik
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, 741246, India
| | - Rakesh Biswas
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, 741246, India
| | - Supratim Banerjee
- Department of Chemical Sciences, Indian Institute of Science Education and Research Kolkata, Mohanpur, West Bengal, 741246, India
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9
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Yang D, Liu M, Xiao X, Tao Z, Redshaw C. Polymeric self-assembled cucurbit[n]urils: Synthesis, structures and applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2020.213733] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Hou Z, Nau WM, Hoogenboom R. Reversible covalent locking of a supramolecular hydrogel via UV-controlled anthracene dimerization. Polym Chem 2021. [DOI: 10.1039/d0py01283a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The formation of supramolecular hydrogels is demonstrated based on ternary complexes between anthracene side-chain functionalized polymers and macrocyclic hosts. Photo-induced reversible dimerization enables switching between supramolecular and covalent hydrogels.
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Affiliation(s)
- Zhanyao Hou
- Supramolecular Chemistry Group
- Centre of Macromolecular Chemistry (CMaC)
- Department of Organic and Macromolecular Chemistry
- Ghent University
- 9000 Gent
| | - Werner M. Nau
- Department of Life Sciences and Chemistry
- Jacobs University Bremen
- 28759 Bremen
- Germany
| | - Richard Hoogenboom
- Supramolecular Chemistry Group
- Centre of Macromolecular Chemistry (CMaC)
- Department of Organic and Macromolecular Chemistry
- Ghent University
- 9000 Gent
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11
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Liénard R, De Winter J, Coulembier O. Cyclic polymers: Advances in their synthesis, properties, and biomedical applications. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20200236] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Romain Liénard
- Laboratory of Polymeric and Composite Materials (LPCM) Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons Mons Belgium
- Organic Synthesis and Mass Spectrometry Laboratory (S2MOs) Interdisciplinary Center for Mass Spectrometry (CISMa), University of Mons Mons Belgium
| | - Julien De Winter
- Organic Synthesis and Mass Spectrometry Laboratory (S2MOs) Interdisciplinary Center for Mass Spectrometry (CISMa), University of Mons Mons Belgium
| | - Olivier Coulembier
- Laboratory of Polymeric and Composite Materials (LPCM) Center of Innovation and Research in Materials and Polymers (CIRMAP), University of Mons Mons Belgium
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12
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Zou H, Liu J, Li Y, Li X, Wang X. Cucurbit[8]uril-Based Polymers and Polymer Materials. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1802234. [PMID: 30168673 DOI: 10.1002/smll.201802234] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/23/2018] [Indexed: 06/08/2023]
Abstract
Cucurbit[8]uril (CB[8]) is unique and notable in the cucurbit[n]uril family, since it has a relatively large cavity and thus is able to simultaneously accommodate two guest molecules. Typically, an electron-deficient first guest and an electron-rich second guest can be bound by CB[8] to form a stable 1:1:1 heteroternary supramolecular complex. Additionally, two homo guests can also be strongly dimerized inside the cavity of CB[8] to form a 2:1 homoternary supramolecular complex. During the past decade, by combining polymer science and CB[8] host-guest chemistry, a variety of systems have been established to construct supramolecular polymers with polymer chains typically at the nanoscale/sub-microscale, and CB[8]-based micro/nanostructured polymer materials in the form of polymer networks and hydrogels, microcapsules, micelles, vesicles, and colloidal particles, normally in solution and occasionally on surfaces. This Review summarizes the noncovalent interactions and strategies used for the preparation of CB[8]-based polymers and polymer materials with a focus on the representative and latest developments, followed by a brief discussion of their characterization, properties, and applications.
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Affiliation(s)
- Hua Zou
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, China
| | - Jing Liu
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, China
| | - Ying Li
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, China
| | - Xiaoyan Li
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, China
| | - Xia Wang
- School of Materials Science and Engineering, University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, 200093, China
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13
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14
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Chen H, Huang Z, Wu H, Xu JF, Zhang X. Supramolecular Polymerization Controlled through Kinetic Trapping. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201709797] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Hao Chen
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Zehuan Huang
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Han Wu
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
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15
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Chen H, Huang Z, Wu H, Xu JF, Zhang X. Supramolecular Polymerization Controlled through Kinetic Trapping. Angew Chem Int Ed Engl 2017; 56:16575-16578. [DOI: 10.1002/anie.201709797] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 11/07/2017] [Indexed: 02/04/2023]
Affiliation(s)
- Hao Chen
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Zehuan Huang
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Han Wu
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Jiang-Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering; Department of Chemistry; Tsinghua University; Beijing 100084 China
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16
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Josse T, De Winter J, Gerbaux P, Coulembier O. Synthese cyclischer Polymere durch Ringschluss-Strategien. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201601677] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Thomas Josse
- Laboratory of Polymeric and Composite Materials (LPCM); Center of Innovation and Research in Materials and Polymers (CIRMAP); University of Mons; Place du Parc, 20 7000 Mons Belgien
- Organic Synthesis and Mass Spectrometry Laboratory (S MOS); University of Mons; Place du Parc, 20 7000 Mons Belgien
| | - Julien De Winter
- Organic Synthesis and Mass Spectrometry Laboratory (S MOS); University of Mons; Place du Parc, 20 7000 Mons Belgien
| | - Pascal Gerbaux
- Organic Synthesis and Mass Spectrometry Laboratory (S MOS); University of Mons; Place du Parc, 20 7000 Mons Belgien
| | - Olivier Coulembier
- Laboratory of Polymeric and Composite Materials (LPCM); Center of Innovation and Research in Materials and Polymers (CIRMAP); University of Mons; Place du Parc, 20 7000 Mons Belgien
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17
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Josse T, De Winter J, Gerbaux P, Coulembier O. Cyclic Polymers by Ring-Closure Strategies. Angew Chem Int Ed Engl 2016; 55:13944-13958. [DOI: 10.1002/anie.201601677] [Citation(s) in RCA: 90] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Revised: 05/01/2016] [Indexed: 12/19/2022]
Affiliation(s)
- Thomas Josse
- Laboratory of Polymeric and Composite Materials (LPCM); Center of Innovation and Research in Materials and Polymers (CIRMAP); University of Mons; Place du Parc, 20 7000 Mons Belgium
- Organic Synthesis and Mass Spectrometry Laboratory (S MOS); University of Mons; Place du Parc, 20 7000 Mons Belgium
| | - Julien De Winter
- Organic Synthesis and Mass Spectrometry Laboratory (S MOS); University of Mons; Place du Parc, 20 7000 Mons Belgium
| | - Pascal Gerbaux
- Organic Synthesis and Mass Spectrometry Laboratory (S MOS); University of Mons; Place du Parc, 20 7000 Mons Belgium
| | - Olivier Coulembier
- Laboratory of Polymeric and Composite Materials (LPCM); Center of Innovation and Research in Materials and Polymers (CIRMAP); University of Mons; Place du Parc, 20 7000 Mons Belgium
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18
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Lin C, Xu L, Huang L, Chen J, Liu Y, Ma Y, Ye F, Qiu H, He T, Yin S. Metal Coordination Stoichiometry Controlled Formation of Linear and Hyperbranched Supramolecular Polymers. Macromol Rapid Commun 2016; 37:1453-9. [DOI: 10.1002/marc.201600227] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2016] [Revised: 05/30/2016] [Indexed: 12/23/2022]
Affiliation(s)
- Cuiling Lin
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Luonan Xu
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Libo Huang
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Jia Chen
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Yuanyuan Liu
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Yifan Ma
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Feixiang Ye
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
| | - Huayu Qiu
- 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
| | - Shouchun Yin
- College of Material, Chemistry and Chemical Engineering; Hangzhou Normal University; Hangzhou 310036 P. R. China
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19
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Ji Z, Li J, Chen G, Jiang M. Fate of Host-Stabilized Charge Transfer Complexation Based on Cucurbit[8]uril: Inducing Cyclization of PNIPAM and Dissociation in Self-Assembly of the Cyclic Polymer. ACS Macro Lett 2016; 5:588-592. [PMID: 35632376 DOI: 10.1021/acsmacrolett.6b00220] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Host-stabilized charge transfer (HSCT) complex based on cucurbit[8]uril has been widely used in building novel supramolecular structures, which could further self-assemble into nano-objects. High stability of the HSCT interaction during the assembly process is always assumed or defaulted. However, the stability during self-assembly has never been well characterized in previous studies. In this work, we realized cyclization of linear PNIPAM by CB[8]-based HSCT interaction first. And then we found unexpectedly that during the heating-induced self-assembly of the cyclic PNIPAM, dissociation of the HSCT interaction took place. In this process, charged CB[8] complex was released from the aggregates of the cyclic polymer to solution, and it could be recaptured by newly added guest molecules. This HSCT dissociation was driven by the incompatibility of the hydrophobicity of the PNIPAM aggregates and the cationic nature of the HSCT complex. To the best of our knowledge, this assembly induced dissociation phenomenon has not been reported in literature.
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Affiliation(s)
- Zhongwei Ji
- State
Key Laboratory of Molecular Engineering of Polymers and Department
of Macromolecular Science, Fudan University, Shanghai, 200433 China
| | - Junfang Li
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032 China
| | - Guosong Chen
- State
Key Laboratory of Molecular Engineering of Polymers and Department
of Macromolecular Science, Fudan University, Shanghai, 200433 China
| | - Ming Jiang
- State
Key Laboratory of Molecular Engineering of Polymers and Department
of Macromolecular Science, Fudan University, Shanghai, 200433 China
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20
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Yamamoto T, Yagyu S, Tezuka Y. Light- and Heat-Triggered Reversible Linear–Cyclic Topological Conversion of Telechelic Polymers with Anthryl End Groups. J Am Chem Soc 2016; 138:3904-11. [DOI: 10.1021/jacs.6b00800] [Citation(s) in RCA: 109] [Impact Index Per Article: 13.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Takuya Yamamoto
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152−8552, Japan
- Division
of Applied Chemistry, Faculty of Engineering, Hokkaido University, Sapporo, Hokkaido 060−8628, Japan
| | - Sakyo Yagyu
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152−8552, Japan
| | - Yasuyuki Tezuka
- Department
of Organic and Polymeric Materials, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo 152−8552, Japan
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21
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Tanabe J, Taura D, Ousaka N, Yashima E. Remarkable acceleration of template-directed photodimerisation of 9-phenylethynylanthracene derivatives assisted by complementary salt bridge formation. Org Biomol Chem 2016; 14:10822-10832. [DOI: 10.1039/c6ob02087a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
The photodimerisation of 9-phenylethynylanthracene-bound carboxylic acid monomers was remarkably accelerated in the presence of the complementary amidine dimer template.
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Affiliation(s)
- Junki Tanabe
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
| | - Daisuke Taura
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
| | - Naoki Ousaka
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
| | - Eiji Yashima
- Department of Molecular Design and Engineering
- Graduate School of Engineering
- Nagoya University
- Nagoya 464-8603
- Japan
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