1
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Aljuaid M, Chang Y, Haddleton DM, Wilson P, Houck HA. Thermoreversible [2 + 2] Photodimers of Monothiomaleimides and Intrinsically Recyclable Covalent Networks Thereof. J Am Chem Soc 2024. [PMID: 38953610 DOI: 10.1021/jacs.4c04193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
The development of intrinsically recyclable cross-linked materials remains challenged by the inherently unfavorable chemical equilibrium that dictates the efficiency of the reversible covalent bonding/debonding chemistry. Rather than having to (externally) manipulate the bonding equilibrium, we here introduce a new reversible chemistry platform based on monosubstituted thiomaleimides that can undergo complete and independent light-activated covalent bonding and on-demand thermal debonding above 120 °C. Specifically, repeated bonding/debonding of a small-molecule thiomaleimide [2 + 2] photodimer is demonstrated over five heat/light cycles with full conversion in both directions, thereby regenerating its initial monothiomaleimide constituents. This motivated the synthesis of multifunctional thiomaleimide reagents as precursors for the design of covalently cross-linked networks that display intrinsic switching between a monomeric and polymeric state. The resulting materials are shown to covalently dissociate and depolymerize upon heating both in solution and in bulk, thus transforming the densely photo-cross-linked material back into a viscous liquid. Temperature-regulated photorheology evidenced the intrinsic recyclability of the thiomaleimide-based thermosets during multiple cycles of UV cross-linking and thermal de-cross-linking. The thermally reversible photodimerization of thiomaleimides presents a new addition to the designer playground of dynamic polymer networks, providing interesting opportunities for the reprocessing and closed-loop recycling of covalently cross-linked materials.
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Affiliation(s)
- Mohammed Aljuaid
- Photochemistry for Materials Group, Department of Chemistry, University of Warwick, Library Road, Coventry CV4 7AL, United Kingdom
- Department of Chemistry, Turabah University College, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Yujing Chang
- Photochemistry for Materials Group, Department of Chemistry, University of Warwick, Library Road, Coventry CV4 7AL, United Kingdom
| | - David M Haddleton
- Photochemistry for Materials Group, Department of Chemistry, University of Warwick, Library Road, Coventry CV4 7AL, United Kingdom
| | - Paul Wilson
- Photochemistry for Materials Group, Department of Chemistry, University of Warwick, Library Road, Coventry CV4 7AL, United Kingdom
| | - Hannes A Houck
- Photochemistry for Materials Group, Department of Chemistry, University of Warwick, Library Road, Coventry CV4 7AL, United Kingdom
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2
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Zhou S, Zhang M, Yuan Y, Ren L, Chen Y, Li W, Zhang A, Yan J. Visible Light [2 + 2] Cycloadditions of Thermoresponsive Dendronized Styryltriazines To Exhibit Tunable Microconfinement. ACS Macro Lett 2024:866-873. [PMID: 38935045 DOI: 10.1021/acsmacrolett.4c00259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Visible light-triggered photochemical reactions in aqueous media are highly valuable to tailor molecular structures and properties in an ecofriendly manner. Here we report visible light-induced catalyst-free [2 + 2] cycloadditions of thermoresponsive dendronized styryltriazines, which show tunable microconfinement to guest dyes in aqueous media. These dendronized styryltriazines are constituted of conjugated mono- or tristyryltriazines, which carry hydrophilic dendritic oligoethylene glycol (OEG) pendants. They underwent efficient [2 + 2] cycloadditions to form dendronized cyclobutane dimers or oligomers in water through irradiation with visible light of 400 nm, and their cycloaddition behavior was dominated by dendritic architectures and solvent conditions. Dendronization with dendritic OEGs also afforded them characteristic thermoresponsive properties with tunable phase transition temperatures in the range 36-65 °C, which can be further modulated through photocycloaddition of styryltriazine chromophores. Importantly, dendronized styryltriazines can form tunable microenvironments in aqueous media, which encapsulate hydrophobic solvatochromic Nile red to exhibit variable photophysical properties. The encapsulated guest dye can be simultaneously released through noninvasive visible light-induced [2 + 2] cycloaddition reactions.
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Affiliation(s)
- Sijie Zhou
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Mengjie Zhang
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Yue Yuan
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Liangxuan Ren
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Yuqiang Chen
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Wen Li
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Afang Zhang
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
| | - Jiatao Yan
- International Joint Laboratory of Biomimetic and Smart Polymers, School of Materials Science and Engineering, Shanghai University, Nanchen Street 380, Shanghai 200444, China
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3
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Lei Z, Chen H, Huang S, Wayment LJ, Xu Q, Zhang W. New Advances in Covalent Network Polymers via Dynamic Covalent Chemistry. Chem Rev 2024; 124:7829-7906. [PMID: 38829268 DOI: 10.1021/acs.chemrev.3c00926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/05/2024]
Abstract
Covalent network polymers, as materials composed of atoms interconnected by covalent bonds in a continuous network, are known for their thermal and chemical stability. Over the past two decades, these materials have undergone significant transformations, gaining properties such as malleability, environmental responsiveness, recyclability, crystallinity, and customizable porosity, enabled by the development and integration of dynamic covalent chemistry (DCvC). In this review, we explore the innovative realm of covalent network polymers by focusing on the recent advances achieved through the application of DCvC. We start by examining the history and fundamental principles of DCvC, detailing its inception and core concepts and noting its key role in reversible covalent bond formation. Then the reprocessability of covalent network polymers enabled by DCvC is thoroughly discussed, starting from the significant milestones that marked the evolution of these polymers and progressing to their current trends and applications. The influence of DCvC on the crystallinity of covalent network polymers is then reviewed, covering their bond diversity, synthesis techniques, and functionalities. In the concluding section, we address the current challenges faced in the field of covalent network polymers and speculates on potential future directions.
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Affiliation(s)
- Zepeng Lei
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Hongxuan Chen
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Shaofeng Huang
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Lacey J Wayment
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Qiucheng Xu
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Wei Zhang
- Department of Chemistry, University of Colorado Boulder, Boulder, Colorado 80309, United States
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4
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Michenfelder RT, Pashley-Johnson F, Guschin V, Delafresnaye L, Truong VX, Wagenknecht HA, Barner-Kowollik C. Photochemical Action Plots Map Orthogonal Reactivity in Photochemical Release Systems. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2402011. [PMID: 38852174 DOI: 10.1002/advs.202402011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/03/2024] [Indexed: 06/11/2024]
Abstract
The wavelength-by-wavelength resolved photoreactivity of two photo-caged carboxylic acids, i. e. 7-(diethylamino)-coumarin- and 3-perylene-modified substrates, is investigated via photochemical action plots. The observed wavelength-dependent reactivity of the chromophores is contrasted with their absorption profile. The photochemical action plots reveal a remarkable mismatch between the maximum reactivity and the absorbance. Through the action plot data, the study is able to uncover photochemical reactivity maxima at longer and shorter wavelengths, where the molar absorptivity of the chromophores is strongly reduced. Finally, the laser experiments are translated to light emitting diode (LED) irradiation and show efficient visible-light-induced release in a near fully wavelength-orthogonal, sequence-independent fashion (λLED1 = 405 nm, λLED2 = 505 nm) with both chromophores in the same reaction solution. The herein pioneered wavelength orthogonal release systems open an avenue for releasing two different molecular cargos with visible light in a fully orthogonal fashion.
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Affiliation(s)
- Rita T Michenfelder
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane, QLD, 4000, Australia
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Fred Pashley-Johnson
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane, QLD, 4000, Australia
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC) and Laboratory of Organic Synthesis, Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281-S4, Ghent, 9000, Belgium
| | - Viktor Guschin
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Laura Delafresnaye
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane, QLD, 4000, Australia
| | - Vinh X Truong
- Institute of Sustainability for Chemicals, Energy and Environment (ISCE2), Agency for Science, Technology and Research (A*STAR), 1 Pesek Round, Jurong Island, Singapore, 627833, Republic of Singapore
| | - Hans-Achim Wagenknecht
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 6, 76131, Karlsruhe, Germany
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane, QLD, 4000, Australia
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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5
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Lu H, Ye H, You L. Photoswitchable Cascades for Allosteric and Bidirectional Control over Covalent Bonds and Assemblies. J Am Chem Soc 2024. [PMID: 38620077 DOI: 10.1021/jacs.4c01240] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Studies of complex systems and emerging properties to mimic biosystems are at the forefront of chemical research. Dynamic multistep cascades, especially those exhibiting allosteric regulation, are challenging. Herein, we demonstrate a versatile platform of photoswitchable covalent cascades toward remote and bidirectional control of reversible covalent bonds and ensuing assemblies. The relay of a photochromic switch, keto-enol equilibrium, and ring-chain equilibrium allows light-mediated reversible allosteric structural changes. The accompanying distinct reactivity further enables photoswitchable dynamic covalent bonding and release of substrates bidirectionally through alternating two wavelengths of light, essentially realizing light-mediated signaling cycles. The downfall of energy by covalent bond formation/scission upon photochemical reactions offers the driving force for the controlled direction of the cascade. To show the molecular diversity, photoswitchable on-demand assembly/disassembly of covalent polymers, including structurally reconfigurable polymers, was realized. This work achieves photoswitchable allosteric regulation of covalent architectures within dynamic multistep cascades, which has rarely been reported before. The results resemble allosteric control within biological signaling networks and should set the stage for many endeavors, such as dynamic assemblies, molecular motors, responsive polymers, and intelligent materials.
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Affiliation(s)
- Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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6
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Lyu J, Song G, Jung H, Park YI, Lee SH, Jeong JE, Kim JC. Solvent-Triggered Chemical Recycling of Ion-Conductive and Self-Healable Polyurethane Covalent Adaptive Networks. ACS APPLIED MATERIALS & INTERFACES 2024; 16:1511-1520. [PMID: 38129176 DOI: 10.1021/acsami.3c15337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Given the substantial environmental challenge posed by global plastic waste, recycling technology for thermosetting polymers has become a huge research topic in the polymer industry. Covalent adaptive networks (CANs), which can reversibly dissociate and reconstruct their network structure, represent a key technology for the self-healing, reprocessing, and recycling of thermosetting polymers. In the present study, we introduce a new series of polyurethane CANs whose network structure can dissociate via the self-catalyzed formation of dithiolane from the CANs' polydisulfide linkages when the CANs are treated in N,N-dimethylformamide (DMF) or dimethyl sulfoxide at 60 °C for 1 h. More interestingly, we found that this network dissociation even occurs in tetrahydrofuran-DMF solvent mixtures with low DMF concentrations. This feature enables a reduction in the use of high-boiling, toxic polar aprotic solvents. The dissociated network structure of the CANs was reconstructed under UV light at 365 nm with a high yield via ring-opening polydisulfide linkage formation from dithiolane pendant groups. These CAN films, which were prepared by a sequential organic synthesis and polymerization process, exhibited high thermal stability and good mechanical properties, recyclability, and self-healing performance. When lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) salt was added to the CAN films, the films exhibited a maximum ion conductivity of 7.48 × 10-4 S cm-1 because of the contribution of the high concentration of the pendant ethylene carbonate group in the CANs. The ion-conducting CAN films also showed excellent recyclability and a self-healing performance.
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Affiliation(s)
- Jihong Lyu
- Center for Specialty Chemicals, Division of Specialty and Bio-Based Chemicals Technology, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea
| | - Gyujin Song
- Ulsan Advanced Energy Technology R&D Center, Korea Institute of Energy Research (KIER), Ulsan 44776, Republic of Korea
| | - Hyocheol Jung
- Center for Specialty Chemicals, Division of Specialty and Bio-Based Chemicals Technology, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea
| | - Young Il Park
- Center for Specialty Chemicals, Division of Specialty and Bio-Based Chemicals Technology, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea
| | - Sang-Ho Lee
- Center for Specialty Chemicals, Division of Specialty and Bio-Based Chemicals Technology, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea
| | - Ji-Eun Jeong
- Center for Specialty Chemicals, Division of Specialty and Bio-Based Chemicals Technology, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea
| | - Jin Chul Kim
- Center for Specialty Chemicals, Division of Specialty and Bio-Based Chemicals Technology, Korea Research Institute of Chemical Technology (KRICT), Ulsan 44412, Republic of Korea
- Department of Advanced Materials & Chemical Engineering, University of Science & Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34114, Republic of Korea
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7
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Gauci SC, Vranic A, Blasco E, Bräse S, Wegener M, Barner-Kowollik C. Photochemically Activated 3D Printing Inks: Current Status, Challenges, and Opportunities. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2306468. [PMID: 37681744 DOI: 10.1002/adma.202306468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 08/23/2023] [Indexed: 09/09/2023]
Abstract
3D printing with light is enabled by the photochemistry underpinning it. Without fine control over the ability to photochemically gate covalent bond formation by the light at a certain wavelength and intensity, advanced photoresists with functions spanning from on-demand degradability, adaptability, rapid printing speeds, and tailored functionality are impossible to design. Herein, recent advances in photoresist design for light-driven 3D printing applications are critically assessed, and an outlook of the outstanding challenges and opportunities is provided. This is achieved by classing the discussed photoresists in chemistries that function photoinitiator-free and those that require a photoinitiator to proceed. Such a taxonomy is based on the efficiency with which photons are able to generate covalent bonds, with each concept featuring distinct advantages and drawbacks.
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Affiliation(s)
- Steven C Gauci
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland, 4000, Australia
| | - Aleksandra Vranic
- Institute of Organic Chemistry (IOC), Karlsruhe institute of Technology (KIT), Fritz-Haber-Weg 6, 76133, Karlsruhe, Germany
| | - Eva Blasco
- Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM), Heidelberg University, 69120, Heidelberg, Germany
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC), Karlsruhe institute of Technology (KIT), Fritz-Haber-Weg 6, 76133, Karlsruhe, Germany
- Institute of Biological and Chemical Systems-Functional Molecular Systems (IBCS-FMS), Karlsruhe Institute of Technology (KIT), 76133, Karlsruhe, Germany
| | - Martin Wegener
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Institute of Applied Physics (APH), Karlsruhe Institute of Technology (KIT), 76128, Karlsruhe, Germany
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland, 4000, Australia
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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8
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You L. Dual reactivity based dynamic covalent chemistry: mechanisms and applications. Chem Commun (Camb) 2023; 59:12943-12958. [PMID: 37772969 DOI: 10.1039/d3cc04022d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Dynamic covalent chemistry (DCC) focuses on the reversible formation, breakage, and exchange of covalent bonds and assemblies, setting a bridge between irreversible organic synthesis and supramolecular chemistry and finding wide utility. In order to enhance structural and functional diversity and complexity, different types of dynamic covalent reactions (DCRs) are placed in one vessel, encompassing orthogonal DCC without crosstalk and communicating DCC with a shared reactive functional group. As a means of adding tautomers, widespread in chemistry, to interconnected DCRs and combining the features of orthogonal and communicating DCRs, a concept of dual reactivity based DCC and underlying structural and mechanistic insights are summarized. The manipulation of the distinct reactivity of structurally diverse ring-chain tautomers allows selective activation and switching of reaction pathways and corresponding DCRs (C-N, C-O, and C-S) and assemblies. The coupling with photoswitches further enables light-mediated formation and scission of multiple types of reversible covalent bonds. To showcase the capability of dual reactivity based DCC, the versatile applications in dynamic polymers and luminescent materials are presented, paving the way for future functionalization studies.
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Affiliation(s)
- Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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9
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Stoy A, Jürgensen M, Millidoni C, Berthold C, Ramler J, Martínez S, Buchner MR, Lichtenberg C. Bismuth in Dynamic Covalent Chemistry: Access to a Bowl-Type Macrocycle and a Barrel-Type Heptanuclear Complex Cation. Angew Chem Int Ed Engl 2023; 62:e202308293. [PMID: 37522394 DOI: 10.1002/anie.202308293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 07/28/2023] [Accepted: 07/31/2023] [Indexed: 08/01/2023]
Abstract
Dynamic covalent chemistry (DCvC) is a powerful and widely applied tool in modern synthetic chemistry, which is based on the reversible cleavage and formation of covalent bonds. One of the inherent strengths of this approach is the perspective to reversibly generate in an operationally simple approach novel structural motifs that are difficult or impossible to access with more traditional methods and require multiple bond cleaving and bond forming steps. To date, these fundamentally important synthetic and conceptual challenges in the context of DCvC have predominantly been tackled by exploiting compounds of lighter p-block elements, even though heavier p-block elements show low bond dissociation energies and appear to be ideally suited for this approach. Here we show that a dinuclear organometallic bismuth compound, containing BiMe2 groups that are connected by a thioxanthene linker, readily undergoes selective and reversible cleavage of its Bi-C bonds upon exposure to external stimuli. The exploitation of DCvC in the field of organometallic heavy p-block chemistry grants access to unprecedented macrocyclic and barrel-type oligonuclear compounds.
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Affiliation(s)
- Andreas Stoy
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Malte Jürgensen
- Institute of Inorganic Chemistry, Julius-Maximilians-University Würzburg, Am Hubland, 97074, Würzburg, Germany
| | - Christina Millidoni
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Chantsalmaa Berthold
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Jacqueline Ramler
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Sebastián Martínez
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Magnus R Buchner
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
| | - Crispin Lichtenberg
- Department of Chemistry, Philipps-University Marburg, Hans-Meerwein-Str. 4, 35032, Marburg, Germany
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10
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Gauci SC, Du Prez FE, Holloway JO, Houck HA, Barner-Kowollik C. The Power of Action Plots: Unveiling Reaction Selectivity of Light-Stabilized Dynamic Covalent Chemistry. Angew Chem Int Ed Engl 2023; 62:e202310274. [PMID: 37551836 DOI: 10.1002/anie.202310274] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 08/07/2023] [Accepted: 08/08/2023] [Indexed: 08/09/2023]
Abstract
Exploiting the optimum wavelength of reactivity for efficient photochemical reactions has been well-established based on the development of photochemical action plots. We herein demonstrate the power of such action plots by a remarkable example of the wavelength-resolved photochemistry of two triazolinedione (TAD) substrates, i.e., aliphatic and aromatic substituted, that exhibit near identical absorption spectra yet possess vastly disparate photoreactivity. We present our findings in carefully recorded action plots, from which reaction selectivity is identified. The profound difference in photoreactivity is exploited by designing a 'hybrid' bisfunctional TAD molecule, enabling the formation of a dual-gated reaction manifold that demonstrates the exceptional and site-selective (photo)chemical behavior of both TAD substrates within a single small molecule.
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Affiliation(s)
- Steven C Gauci
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
| | - Filip E Du Prez
- Department of Organic and Macromolecular Chemistry, Ghent University, Campus Sterre, Krijgslaan 281 S4-bis, 9000, Ghent, Belgium
| | - Joshua O Holloway
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
| | - Hannes A Houck
- Department of Chemistry and Institute of Advanced Study, University of Warwick, Library Road, Coventry, CV4 7AL, UK
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, QLD 4000, Brisbane, Australia
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
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11
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Eren TN, Feist F, Ehrmann K, Barner-Kowollik C. Cooperative Network Formation via Two-Colour Light-Activated λ-Orthogonal Chromophores. Angew Chem Int Ed Engl 2023; 62:e202307535. [PMID: 37358799 DOI: 10.1002/anie.202307535] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 06/23/2023] [Accepted: 06/26/2023] [Indexed: 06/27/2023]
Abstract
Independently addressing photoreactive sites within one molecule with two colours of light is a formidable challenge. Here, we combine two sequence independent λ-orthogonal chromophores in one heterotelechelic dilinker molecule, to exploit their disparate reactivity utilizing the same reaction partner, a maleimide-containing polymer. We demonstrate that polymer network formation only proceeds if two colours of light are employed. Upon single colour irradiation, linker-decorated post-functionalized polymers are generated at either wavelength and in either sequence. Network formation, however, is only achieved by sequential or simultaneous two colour irradiation. The herein introduced photoreactive system demonstrates the power of wavelength orthogonal chemistry in macromolecular synthesis.
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Affiliation(s)
- Tugce Nur Eren
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Florian Feist
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
| | - Katharina Ehrmann
- Queensland University of Technology (QUT), School of Chemistry and Physics, 2 George Street, Brisbane, QLD, 4000, Australia
- Queensland University of Technology (QUT), Centre for Materials Science, 2 George Street, Brisbane, QLD, 4000, Australia
| | - Christopher Barner-Kowollik
- Karlsruhe Institute of Technology (KIT), Institute of Nanotechnology (INT), Hermann-von-Helmholtz-Platz 1, 76344, Eggenstein-Leopoldshafen, Germany
- Queensland University of Technology (QUT), School of Chemistry and Physics, 2 George Street, Brisbane, QLD, 4000, Australia
- Queensland University of Technology (QUT), Centre for Materials Science, 2 George Street, Brisbane, QLD, 4000, Australia
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12
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Lu H, Ye H, Zhang M, Liu Z, Zou H, You L. Photoswitchable dynamic conjugate addition-elimination reactions as a tool for light-mediated click and clip chemistry. Nat Commun 2023; 14:4015. [PMID: 37419874 DOI: 10.1038/s41467-023-39669-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 06/22/2023] [Indexed: 07/09/2023] Open
Abstract
Phototriggered click and clip reactions can endow chemical processes with high spatiotemporal resolution and sustainability, but are challenging with a limited scope. Herein we report photoswitchable reversible covalent conjugate addition-elimination reactions toward light-addressed modular covalent connection and disconnection. By coupling between photochromic dithienylethene switch and Michael acceptors, the reactivity of Michael reactions was tuned through closed-ring and open-ring forms of dithienylethene, allowing switching on and off dynamic exchange of a wide scope of thiol and amine nucleophiles. The breaking of antiaromaticity in transition states and enol intermediates of addition-elimination reactions provides the driving force for photoinduced change in kinetic barriers. To showcase the versatile application, light-mediated modification of solid surfaces, regulation of amphiphilic assemblies, and creation/degradation of covalent polymers on demand were achieved. The manipulation of dynamic click/clip reactions with light should set the stage for future endeavors, including responsive assemblies, biological delivery, and intelligent materials.
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Affiliation(s)
- Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
- University of Chinese Academy of Sciences, 100049, Beijing, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Meilan Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Zimu Liu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Hanxun Zou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, 350002, Fuzhou, Fujian, China.
- University of Chinese Academy of Sciences, 100049, Beijing, China.
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, 350002, Fuzhou, Fujian, China.
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13
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Michenfelder RT, Delafresnaye L, Truong VX, Barner-Kowollik C, Wagenknecht HA. DNA labelling in live cells via visible light-induced [2+2] photocycloaddition. Chem Commun (Camb) 2023; 59:4012-4015. [PMID: 36920883 DOI: 10.1039/d3cc00817g] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/05/2023]
Abstract
We introduce a visible light-driven (λmax = 451 nm) photo-chemical strategy for labelling of DNA in living HeLa cells via the [2+2] cycloaddition of a styrylquinoxaline moiety, which we incorporate into both the DNA and the fluorescent label. Our methodology offers advanced opportunities for the mild remote labelling of DNA in water while avoiding UV light activation.
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Affiliation(s)
- Rita T Michenfelder
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber Weg 6, Karlsruhe 76131, Germany.
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane QLD 4000, Australia.
| | - Laura Delafresnaye
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane QLD 4000, Australia.
| | - Vinh X Truong
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane QLD 4000, Australia.
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, 138634, Singapore.
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Centre for Materials Science, Queensland University of Technology (QUT), 2 George St, Brisbane QLD 4000, Australia.
- Institute of Nanotechnology, Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, Eggenstein-Leopoldshafen 76344, Germany.
| | - Hans-Achim Wagenknecht
- Institute of Organic Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber Weg 6, Karlsruhe 76131, Germany.
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14
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Sasaki Y, Ohashi T, Mori H. Photoinduced healable hybrids based on anthracene-containing silsesquioxane nanoparticles. Eur Polym J 2023. [DOI: 10.1016/j.eurpolymj.2023.111991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/15/2023]
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15
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Schulte R, Löcker M, Ihmels H, Heide M, Engelhard C. Pushing Photochemistry into Water: Acceleration of the Di-π-Methane Rearrangement and the Paternó-Büchi Reaction "On-Water". Chemistry 2023; 29:e202203203. [PMID: 36398899 PMCID: PMC10107481 DOI: 10.1002/chem.202203203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/19/2022]
Abstract
Two representative organic photoreactions, namely a bimolecular photocycloaddition and a monomolecular photorearrangement, are presented that are accelerated when the reaction is performed "on-water", that is, at the water-substrate interface with no solvation of the reaction components. According to the established models of ground-state reactions "on-water", the enhanced efficiency of the photoreactions is explained by hydrophobic effects (Paternó-Büchi reaction) or specific hydrogen bonding (di-π-methane rearrangement) at the water-substrate interface that decrease the energy of the respective transition state. These results point to the potential of this approach to conduct photoreactions more efficiently in an ecologically favorable medium.
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Affiliation(s)
- Robin Schulte
- Department of Chemistry-Biology, Center of Micro- and Nanochemistry and (Bio-)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Marco Löcker
- Department of Chemistry-Biology, Center of Micro- and Nanochemistry and (Bio-)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Heiko Ihmels
- Department of Chemistry-Biology, Center of Micro- and Nanochemistry and (Bio-)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Maximilian Heide
- Department of Chemistry-Biology, Center of Micro- and Nanochemistry and (Bio-)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
| | - Carsten Engelhard
- Department of Chemistry-Biology, Center of Micro- and Nanochemistry and (Bio-)Technology (Cμ), University of Siegen, Adolf-Reichwein-Str. 2, 57068, Siegen, Germany
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16
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Jiang Y, Zhu H, Chen J, Liao S. Organocatalytic [2 + 2] Photopolymerization under Visible Light: Accessing Sustainable Polymers from Cinnamic Acids. Macromol Rapid Commun 2023; 44:e2200702. [PMID: 36404649 DOI: 10.1002/marc.202200702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 10/30/2022] [Indexed: 11/22/2022]
Abstract
Herein, the successful development of a metal-free, solution [2 + 2] photopolymerization of natural cinnamic acid-derived bisolefinic monomers is reported, which is enabled by a strategy based on direct triplet state access via energy transfer catalysis. 2,2'-Methoxythioxanthone has been identified as an effective organic photocatalyst for the [2 + 2] photopolymerization in solution, which can be excited by visible light and activate the biscinnamate monomers via triplet energy transfer. This method features its metal-free conditions, visible light utilization, solution polymerization, and abundant biomass-based feedstock, as well as processable polymer products, which is different from the rigid, insoluble products obtained from solid-state photopolymerization. This solution polymerization method also shows a good compatibility to monomer structures; cinnamic acid-derived bisolefinic monomers with different linkers, including diamine, natural diol, and bisphenol, can all readily undergo [2 + 2] photopolymerization, and be transformed into colorless, sustainable polymers.
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Affiliation(s)
- Yu Jiang
- Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Hui Zhu
- Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Jianxu Chen
- Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, China
| | - Saihu Liao
- Key Laboratory of Molecule Synthesis and Function Discovery College of Chemistry, Fuzhou University, Fuzhou, 350108, China.,Beijing National Laboratory for Molecular Science, Beijing, 100190, China
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17
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Jiang Y, Zhu H, Chen J, Ma Q, Liao S. Linear Cyclobutane-Containing Polymer Synthesis via [2 + 2] Photopolymerization in an Unconfined Environment under Visible Light. ACS Macro Lett 2022; 11:1336-1342. [PMID: 36394547 DOI: 10.1021/acsmacrolett.2c00523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The [2 + 2] photopolymerization of diolefinic monomers is an appealing approach for the construction of polymeric materials. Herein, we demonstrate that the establishment of an effective donor-acceptor conjugation by introducing electron-donating alkoxy groups at appropriate positions of the benzene ring could activate p-phenylenediacrylate (PDA), thus enabling the development of the first solution [2 + 2] photopolymerization of such monomers under the irradiation of visible light. Variation on the alkoxy groups and the ester parts could allow access to a series of linear cyclobutane-containing polymer products with high molecular weight (up to 140 kDa) and good solubility in common solvents. Further, temporal control and postpolymerization modification with preinstalled pendant C═C bonds via thiol-ene click reaction are also demonstrated with this [2 + 2] photopolymerization system.
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Affiliation(s)
- Yu Jiang
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Hui Zhu
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Jianxu Chen
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China
| | - Qiang Ma
- College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Saihu Liao
- Key Laboratory of Molecule Synthesis and Function Discovery (Fujian Province University), State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350108, China.,College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China.,Beijing National Laboratory for Molecular Sciences, Beijing 100190, China
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18
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Lu H, Ye H, Zhang M, Wang L, You L. Photoswitchable Keto–Enol Tautomerism Driven by Light-Induced Change in Antiaromaticity. Org Lett 2022; 24:8639-8644. [DOI: 10.1021/acs.orglett.2c03441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Meilan Zhang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- College of Chemistry and Material Science, Fujian Normal University, Fuzhou 35007, China
| | - Lifeng Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- College of Chemistry and Material Science, Fujian Normal University, Fuzhou 35007, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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19
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Hobich J, Blasco E, Wegener M, Mutlu H, Barner‐Kowollik C. Synergistic, Orthogonal, and Antagonistic Photochemistry for Light‐Induced 3D Printing. MACROMOL CHEM PHYS 2022. [DOI: 10.1002/macp.202200318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Jan Hobich
- Institute of Nanotechnology (INT) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Eva Blasco
- Institute of Nanotechnology (INT) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
- Organic Chemistry Institute Heidelberg University im Neuenheimer Feld 270 69120 Heidelberg Germany
- Institute for Molecular Systems Engineering and Advanced Materials Heidelberg University im Neuenheimer Feld 225 69120 Heidelberg Germany
| | - Martin Wegener
- Institute of Nanotechnology (INT) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
- Institute of Applied Physics Karlsruhe Institute of Technology (KIT) 76128 Karlsruhe Germany
| | - Hatice Mutlu
- Soft Matter Synthesis Laboratory (SML) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
| | - Christopher Barner‐Kowollik
- Institute of Nanotechnology (INT) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany
- School of Chemistry and Physics, Centre for Materials Science Queensland University of Technology (QUT) 2 George Street Brisbane QLD 4000 Australia
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20
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Budyka MF, Fedulova JA, Gavrishova TN, Li VM, Potashova NI, Tovstun SA. [2+2] Photocycloaddition in a bichromophoric dyad: photochemical concerted forward reaction following Woodward-Hoffmann rules and photoinduced stepwise reverse reaction of the ring opening via predissociation. Phys Chem Chem Phys 2022; 24:24137-24145. [PMID: 36168796 DOI: 10.1039/d2cp02865d] [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
A novel biphotochromic dyad with styrylbenzo[f]quinoline photochromes was designed and synthesized to study the [2+2] photocycloaddition (PCA) reaction leading to cyclobutane with two benzo[f]quinoline (BQ) substituents and the reverse four-membered ring opening reaction. In the dyad, PCA occurs in a concerted manner according to the Woodward-Hoffmann rules in the ππ* excited state after excitation of the whole conjugated π-system comprising the ethylene group. Nanosecond time-resolved emission spectroscopy indicated formation of an excimer as a possible intermediate of the PCA reaction. The reverse reaction of photoinduced cyclobutane ring opening is assumed to proceed stepwise according to the predissociation mechanism: after excitation of the BQ substituent, energy transfer (ET) occurs from the bonding ππ* term localized on the BQ substituent to the dissociative πσ* term localized on cyclobutane; the efficiency of such a process was measured for the first time. For the first time, it is suggested that the predissociation mechanism is common to the ring-opening reaction of any cyclobutane with an unsaturated substituent where the π-system of the substituent rather than the σ-system of cyclobutane is excited under light irradiation.
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Affiliation(s)
- Mikhail F Budyka
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Moscow Region, Russian Federation.
| | - Julia A Fedulova
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Moscow Region, Russian Federation. .,Faculty of Fundamental Physical and Chemical Engineering, Lomonosov Moscow State University, Moscow, Russian Federation
| | - Tatiana N Gavrishova
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Moscow Region, Russian Federation.
| | - Vitalii M Li
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Moscow Region, Russian Federation.
| | - Natalia I Potashova
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Moscow Region, Russian Federation.
| | - Sergey A Tovstun
- Institute of Problems of Chemical Physics, Russian Academy of Sciences, Chernogolovka 142432, Moscow Region, Russian Federation.
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21
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Wang H, Wang S, Ren B, Hu C, Wang H. Light‐driven self‐healing castor oil based polyurethane film with enhanced mechanical properties. J Appl Polym Sci 2022. [DOI: 10.1002/app.52958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Haoliang Wang
- College of Biomass Science and Engineering, Department of Critical Care Medicine, West China Hospital Sichuan University Chengdu People's Republic of China
- The Key Laboratory of Leather Chemistry and Engineering (Sichuan University) Ministry of Education Chengdu People's Republic of China
| | - Shiyu Wang
- College of Biomass Science and Engineering, Department of Critical Care Medicine, West China Hospital Sichuan University Chengdu People's Republic of China
- The Key Laboratory of Leather Chemistry and Engineering (Sichuan University) Ministry of Education Chengdu People's Republic of China
| | - Bibo Ren
- College of Biomass Science and Engineering, Department of Critical Care Medicine, West China Hospital Sichuan University Chengdu People's Republic of China
- The Key Laboratory of Leather Chemistry and Engineering (Sichuan University) Ministry of Education Chengdu People's Republic of China
| | - Chenggong Hu
- College of Biomass Science and Engineering, Department of Critical Care Medicine, West China Hospital Sichuan University Chengdu People's Republic of China
| | - Haibo Wang
- College of Biomass Science and Engineering, Department of Critical Care Medicine, West China Hospital Sichuan University Chengdu People's Republic of China
- The Key Laboratory of Leather Chemistry and Engineering (Sichuan University) Ministry of Education Chengdu People's Republic of China
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22
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Li H, Gong X, Ni H, Lu P, Luo X, Wen J, Yang Y, Qian X, Sun Z, Wu J. Light-Induced Ultrafast Molecular Dynamics: From Photochemistry to Optochemistry. J Phys Chem Lett 2022; 13:5881-5893. [PMID: 35730581 PMCID: PMC9251772 DOI: 10.1021/acs.jpclett.2c01119] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
By precisely controlling the waveform of ultrashort laser fields, electronic and nuclear motions in molecules can be steered on extremely short time scales, even in the attosecond regime. This new research field, termed "optochemistry", presents the light field in the time-frequency domain and opens new avenues for tailoring molecular reactions beyond photochemistry. This Perspective summarizes the ultrafast laser techniques employed in recent years for manipulating the molecular reactions based on waveform control of intense ultrashort laser pulses, where the chemical reactions can take place in isolated molecules, clusters, and various nanosystems. The underlying mechanisms for the coherent control of molecular dynamics are explicitly explored. Challenges and opportunities coexist in the field of optochemistry. Advanced technologies and theoretical modeling are still being pursued, with great prospects for controlling chemical reactions with unprecedented spatiotemporal precision.
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Affiliation(s)
- Hui Li
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
| | - Xiaochun Gong
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
| | - Hongcheng Ni
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
| | - Peifen Lu
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
| | - Xiao Luo
- School
of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Jin Wen
- State
Key Laboratory for Modification of Chemical Fibers and Polymer Materials,
College of Materials Science and Engineering, Donghua University, Shanghai 201620, China
| | - Youjun Yang
- State
Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory
of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xuhong Qian
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
- School
of Chemistry and Molecular Engineering, East China Normal University, Shanghai 200241, China
| | - Zhenrong Sun
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
| | - Jian Wu
- State
Key Laboratory of Precision Spectroscopy, East China Normal University, Shanghai 200241, China
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23
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Zhang J, Zhang J, Teng X, Liu X, Jiao X, Li Y, Xie X, Yan Q, Wang X, Tang B. Fabricating and Modulating Robust Multi-Photoaddressable Systems with the Derivatives of Diarylethylene and Donor-Acceptor Stenhouse Adducts. J Phys Chem Lett 2022; 13:3611-3620. [PMID: 35427145 DOI: 10.1021/acs.jpclett.2c00696] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Multi-photoaddressable systems (MPSs) belong to complex systems, which are comprised of more than one photoswitching molecule and can respond to different wavelengths of light simultaneously. While MPSs have been extensively applied in various fields, there are also some challenges, such as the deficiency of the wavelength-selective control and the interference from the poor thermodynamic stability of used photoswitching molecules. Herein, we reported two robust MPSs (MPS1/2) consisting of diarylethylene derivative (DAE) and different donor-acceptor Stenhouse adducts (DASAs), in which both opened and closed forms of DAE and opened forms of DASAs are thermodynamically stable. MPS1/2 enable fully reversible cyclic photoswitching with improved thermal interference resistance. Moreover, MPS2 also shows a favorable property in PMMA films and has been applied in multicolor display. It is expected that the prepared MPSs could be used in more fields such as information storage and reading and encoding light.
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Affiliation(s)
- Jian Zhang
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200438, P. R. China
| | - Jin Zhang
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Xudong Teng
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Xu Liu
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Xiaoyun Jiao
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Yong Li
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Xilei Xie
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Qiang Yan
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200438, P. R. China
| | - Xu Wang
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
| | - Bo Tang
- 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 Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University, Jinan 250014, P. R. China
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24
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Liarou E, Houck HA, Du Prez FE. Reversible Transformations of Polymer Topologies through Visible Light and Darkness. J Am Chem Soc 2022; 144:6954-6963. [DOI: 10.1021/jacs.2c01622] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Evelina Liarou
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 S4-bis, Ghent 9000, Belgium
| | - Hannes A. Houck
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 S4-bis, Ghent 9000, Belgium
| | - Filip E. Du Prez
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281 S4-bis, Ghent 9000, Belgium
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25
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Bai J, Shi Z, Ma X, Yin J, Jiang X. Wavelength-Selective Photocycloadditions of Styryl-Anthracene. Macromol Rapid Commun 2022; 43:e2200055. [PMID: 35338541 DOI: 10.1002/marc.202200055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/16/2022] [Indexed: 11/08/2022]
Abstract
Light-tunable covalent chemistry is highly urgent in the fields of chemistry, biology and material especially for the smart materials and surface, due to the spatiotemporal control and feasible operation. Here, we report a new type of wavelength-selective photo-cycloaddition of styryl-anthracene carboxylic acid (SACA). Upon the irradiation of 450 nm visible light or 365 nm UV light, SACA can undergo [2+2] or [2+4] photocycloaddition, respectively. Furthermore, the [2+2] photocycloaddition induced by vis-light of 450 nm is reversible and can be disrupted by 365 nm UV light to form dimer-24 which cannot be photo-cleavable. Owing to the feasibility and spatiotemporal characteristics of UV-Vis light-controlled photocycloaddition, the SACA possesses potential applications in various areas such as self-assembly, dynamic wrinkle and fluorescence patterns, which is also explored and exhibited in this work. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Jing Bai
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai, 200240, P.R. China
| | - Zixing Shi
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai, 200240, P.R. China
| | - Xiaodong Ma
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai, 200240, P.R. China
| | - Jie Yin
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai, 200240, P.R. China
| | - Xuesong Jiang
- School of Chemistry & Chemical Engineering, Frontiers Science Center for Transformative Molecules, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Jiao Tong University, Shanghai, 200240, P.R. China
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26
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Dimitriev OP. Dynamics of Excitons in Conjugated Molecules and Organic Semiconductor Systems. Chem Rev 2022; 122:8487-8593. [PMID: 35298145 DOI: 10.1021/acs.chemrev.1c00648] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The exciton, an excited electron-hole pair bound by Coulomb attraction, plays a key role in photophysics of organic molecules and drives practically important phenomena such as photoinduced mechanical motions of a molecule, photochemical conversions, energy transfer, generation of free charge carriers, etc. Its behavior in extended π-conjugated molecules and disordered organic films is very different and very rich compared with exciton behavior in inorganic semiconductor crystals. Due to the high degree of variability of organic systems themselves, the exciton not only exerts changes on molecules that carry it but undergoes its own changes during all phases of its lifetime, that is, birth, conversion and transport, and decay. The goal of this review is to give a systematic and comprehensive view on exciton behavior in π-conjugated molecules and molecular assemblies at all phases of exciton evolution with emphasis on rates typical for this dynamic picture and various consequences of the above dynamics. To uncover the rich variety of exciton behavior, details of exciton formation, exciton transport, exciton energy conversion, direct and reverse intersystem crossing, and radiative and nonradiative decay are considered in different systems, where these processes lead to or are influenced by static and dynamic disorder, charge distribution symmetry breaking, photoinduced reactions, electron and proton transfer, structural rearrangements, exciton coupling with vibrations and intermediate particles, and exciton dissociation and annihilation as well.
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Affiliation(s)
- Oleg P Dimitriev
- V. Lashkaryov Institute of Semiconductor Physics NAS of Ukraine, pr. Nauki 41, Kyiv 03028, Ukraine
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27
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Saed M, Gablier A, Terentjev EM. Exchangeable Liquid Crystalline Elastomers and Their Applications. Chem Rev 2022; 122:4927-4945. [PMID: 33596647 PMCID: PMC8915166 DOI: 10.1021/acs.chemrev.0c01057] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Indexed: 12/30/2022]
Abstract
This Review presents and discusses the current state of the art in "exchangeable liquid crystalline elastomers", that is, LCE materials utilizing dynamically cross-linked networks capable of reprocessing, reprogramming, and recycling. The focus here is on the chemistry and the specific reaction mechanisms that enable the dynamic bond exchange, of which there is a variety. We compare and contrast these different chemical mechanisms and the key properties of their resulting elastomers. In the conclusion, we discuss the most promising applications that are enabled by dynamic cross-linking and present a summary table: a library of currently available materials and their main characteristics.
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Affiliation(s)
- Mohand
O. Saed
- Cavendish Laboratory, University
of Cambridge, J.J. Thomson Avenue, Cambridge CB3 0HE, U.K.
| | - Alexandra Gablier
- Cavendish Laboratory, University
of Cambridge, J.J. Thomson Avenue, Cambridge CB3 0HE, U.K.
| | - Eugene M. Terentjev
- Cavendish Laboratory, University
of Cambridge, J.J. Thomson Avenue, Cambridge CB3 0HE, U.K.
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28
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Abstract
The careful mapping of photoinduced reversible-deactivation radical polymerizations (RDRP) is a prerequisite for their applications in soft matter materials design. Here, we probe the wavelength-dependent behavior of photochemically induced atom transfer radical polymerization (ATRP) using nanosecond pulsed-laser polymerization (PLP). The photochemical reactivities at identical photon fluxes of methyl acrylate in terms of conversion, number-average molecular weight, and dispersity of the resulting polymers are mapped against the absorption spectrum of the copper(II) catalyst in the range of 305-550 nm. We observe a red shift of the action spectrum relative to the absorption spectrum of the copper(II) catalyst. Both the number-average molecular weight and the dispersity show a wavelength dependence, while the molecular weight and conversion remain linearly correlated. The reported data allow the judicious selection of optimum wavelengths for photoATRP.
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Affiliation(s)
- Martina Nardi
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Eva Blasco
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.,Organic Chemistry Institute and Centre for Advanced Materials, University of Heidelberg, In Neuenheimer Feld 270 and 225, 69219 Heidelberg, Germany
| | - Christopher Barner-Kowollik
- Institute of Nanotechnology (INT), Karlsruhe Institute of Technology (KIT), Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany.,Centre for Materials Science, School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
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29
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Cheng K, Chortos A, Lewis JA, Clarke DR. Photoswitchable Covalent Adaptive Networks Based on Thiol-Ene Elastomers. ACS APPLIED MATERIALS & INTERFACES 2022; 14:4552-4561. [PMID: 35006669 DOI: 10.1021/acsami.1c22287] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Covalent adaptive networks combine the advantages of cross-linked elastomers and dynamic bonding in a single system. In this work, we demonstrate a simple one-pot method to prepare thiol-ene elastomers that exhibit reversible photoinduced switching from an elastomeric gel to fluid state. This behavior can be generalized to thiol-ene cross-linked elastomers composed of different backbone chemistries (e.g., polydimethylsiloxane, polyethylene glycol, and polyurethane) and vinyl groups (e.g., allyl, vinyl ether, and acrylate). Photoswitching from the gel to fluid state occurs in seconds upon exposure to UV light and can be repeated over at least 180 cycles. These thiol-ene elastomers also exhibit the ability to heal, remold, and serve as reversible adhesives.
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Affiliation(s)
- Kezi Cheng
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - Alex Chortos
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
- School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jennifer A Lewis
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
| | - David R Clarke
- School of Engineering and Applied Sciences, Harvard University, Cambridge, Massachusetts 02138, United States
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30
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Feng X, Wu T, Sun X, Qian X. "Indanonalkene" Photoluminescence Platform: Application in Real-Time Tracking the Synthesis, Remodeling, and Degradation of Soft Materials. J Am Chem Soc 2021; 143:21622-21629. [PMID: 34905350 DOI: 10.1021/jacs.1c09895] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In this Article, we present a strategy to visually track chemically triggered covalent bonding processes in gelation, remodeling, and degradation of soft materials, i.e., hydrogels, based on a new photoluminescence platform. Initially in the development of photoluminophors named "indanonalkenes", turn-on emission can be tracked and quantified in the optical reaction between a conjugate acceptor and amine derivatives. On this basis, fluorescence enhancement and mechanical changes were recorded during the gelation process through amine-thiol exchanges under organic and aqueous conditions. Next in macromolecular remodeling, we realized a stimulus-induced transformation of one architecture into another one, exploiting the orthogonality of chemical covalent bonding that could be visualized using luminescence. Furthermore, the hydrogel network can be degraded to release the coupling partner induced by ethylene diamine, and the process can be monitored using fluorescence changes and quantified through gel permeation chromatography, while the released components can be utilized again to regenerate a new hydrogel. In addition, the photographic images provide alternatives to fluorescence spectra and can be digitally processed to quantify the macroscopic changes, resulting in a photographic imaging approach. The real-time observation and quantification of chemically triggered polymeric formation, morphology, and degradation through luminescence in spatial and time scales herald a new generation of "smart" materials.
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Affiliation(s)
- Xing Feng
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Tianhong Wu
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Xiaolong Sun
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Xuhong Qian
- State Key Laboratory of Bioreactor Engineering, Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, People's Republic of China.,School of Chemistry and Molecular Engineering, East China Normal University, 3663 Zhongshan Road, Shanghai 200062, People's Republic of China
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31
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Hai Y, Ye H, Li Z, Zou H, Lu H, You L. Light-Induced Formation/Scission of C-N, C-O, and C-S Bonds Enables Switchable Stability/Degradability in Covalent Systems. J Am Chem Soc 2021; 143:20368-20376. [PMID: 34797658 DOI: 10.1021/jacs.1c09958] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The manipulation of covalent bonds could be directed toward degradable, recyclable, and sustainable materials. However, there is an intrinsic conflict between properties of stability and degradability. Here we report light-controlled formation/scission of three types of covalent bonds (C-N, C-O, and C-S) through photoswitching between equilibrium and nonequilibrium states of dynamic covalent systems, achieving dual benefits of photoaddressable stability and cleavability. The photocyclization of dithienylethene fused aldehyde ring-chain tautomers turns on the reactivity, incorporating/releasing amines, alcohols, and thiols reversibly with high efficiency, respectively. Upon photocycloreversion the system is shifted to kinetically locked out-of-equilibrium form, enabling remarkable robustness of covalent assemblies. Reaction coupling allows remote and directional control of a diverse range of equilibria and further broadens the scope. Through locking and unlocking covalent linkages with light when needed, the utility is demonstrated with capture/release of bioactive molecules, modification of surfaces, and creation of polymers exhibiting tailored stability and degradability/recyclability. The versatile toolbox for photoswitchable dynamic covalent reactions to toggle matters on and off should be appealing to many endeavors.
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Affiliation(s)
- Yu Hai
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Hebo Ye
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Ziyi Li
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Hanxun Zou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Hanwei Lu
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.,University of Chinese Academy of Sciences, Beijing 100049, China.,Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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32
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Ma Y, Liu Z, Zhou S, Jiang X, Shi Z, Yin J. Aminoesterenamide Achieved by Three-Component Reaction Heading toward Tailoring Covalent Adaptable Network with Great Freedom. Macromol Rapid Commun 2021; 42:e2100394. [PMID: 34418207 DOI: 10.1002/marc.202100394] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/05/2021] [Indexed: 11/11/2022]
Abstract
Covalent adaptable networks (CANs) have recently received extensive interests due to their reprocessability and repairability. Rethinking the libraries of the published CANs, most of them are fabricated by one/two-component reactions and few cases utilize multi-component reactions to construct CANs while multi-component reactions are conductive to tailoring the properties of polymers due to their structural designability and flexible choice of raw materials. A novel kind of dynamic covalent bond named aminoesterenamide is presented through three-component reaction between acetoacetyl, amine and isocyanate. Aminoesterenamide exhibits thermal reversibility through dissociating into vinylogous urethane and isocyanate. When it is used to prepare CANs, the synthesized polymer networks can be reprocessed many times via the exchange reaction between aminoesterenamides. Moreover, the forming of aminoesterenamide involving three starting components imparts CANs with great freedom to tailor their properties. Therefore, the authors believe this method that utilizes three-component reaction to fabricate CANs would bring new stories and perspectives to the exploration of new types of CANs.
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Affiliation(s)
- Youwei Ma
- School of Chemistry and Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Key Lab of Electrical Insulation & Thermal Ageing, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Zhiyong Liu
- School of Chemistry and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui, 241000, China
| | - Shuai Zhou
- School of Chemistry and Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Key Lab of Electrical Insulation & Thermal Ageing, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Xuesong Jiang
- School of Chemistry and Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Key Lab of Electrical Insulation & Thermal Ageing, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Zixing Shi
- School of Chemistry and Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Key Lab of Electrical Insulation & Thermal Ageing, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
| | - Jie Yin
- School of Chemistry and Chemical Engineering, State Key Laboratory for Metal Matrix Composite Materials, Shanghai Key Lab of Electrical Insulation & Thermal Ageing, Shanghai Jiao Tong University, Shanghai, 200240, P. R. China
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33
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Han J, Xie C, Huang YS, Wagner M, Liu W, Zeng X, Liu J, Sun S, Koynov K, Butt HJ, Wu S. Ru-Se Coordination: A New Dynamic Bond for Visible-Light-Responsive Materials. J Am Chem Soc 2021; 143:12736-12744. [PMID: 34346213 DOI: 10.1021/jacs.1c05648] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photodynamic bonds are stable in the dark and can reversibly dissociate/form under light irradiation. Photodynamic bonds are promising building blocks for responsive or healable materials, photoactivated drugs, nanocarriers, extracellular matrices, etc. However, reactive intermediates from photodynamic bonds usually lead to side reactions, which limit the use of photodynamic bonds. Here, we report that the Ru-Se coordination bond is a new photodynamic bond that reversibly dissociates under mild visible-light-irradiation conditions. We observed that Ru-Se bonds form via the coordination of a selenoether ligand with [Ru(tpy)(biq)(H2O)]Cl2 (tpy = 2,2':6',2″-terpyridine, biq = 2,2'-biquinoline) in the dark, while the Ru-Se bond reversibly dissociates under visible-light irradiation. No side reaction is detected in the formation and dissociation of Ru-Se bonds. To demonstrate that the Ru-Se bond is applicable to different operating environments, we prepared photoresponsive amphiphiles, surfaces, and polymer gels using Ru-Se bonds. The amphiphiles with Ru-Se bonds showed reversible morphological transitions between spherical micelles and bowl-shaped assemblies for dark/light irradiation cycles. The surfaces modified with Ru-Se-bond-containing compounds showed photoswitchable wettability. Polymer gels with Ru-Se cross-links underwent photoinduced reversible sol-gel transitions, which can be used for reshaping and healing. Our work demonstrates that the Ru-Se bond is a new type of dynamic bond, which can be used for constructing responsive, reprocessable, switchable, and healable materials that work in a variety of environments.
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Affiliation(s)
- Jianxiong Han
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, People's Republic of China.,Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Chaoming Xie
- Key Lab of Advanced Technologies of Materials Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China
| | - Yun-Shuai Huang
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Manfred Wagner
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Wendong Liu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Xiaolong Zeng
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, People's Republic of China.,Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Jiahui Liu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, People's Republic of China.,Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Shijie Sun
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Kaloian Koynov
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Hans-Jürgen Butt
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Si Wu
- CAS Key Laboratory of Soft Matter Chemistry, Hefei National Laboratory for Physical Sciences at the Microscale, Anhui Key Laboratory of Optoelectronic Science and Technology, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei 230026, People's Republic of China
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34
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Choi C, Self JL, Okayama Y, Levi AE, Gerst M, Speros JC, Hawker CJ, Read de Alaniz J, Bates CM. Light-Mediated Synthesis and Reprocessing of Dynamic Bottlebrush Elastomers under Ambient Conditions. J Am Chem Soc 2021; 143:9866-9871. [PMID: 34170665 DOI: 10.1021/jacs.1c03686] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
We introduce a novel grafting-through polymerization strategy to synthesize dynamic bottlebrush polymers and elastomers in one step using light to construct a disulfide-containing backbone. The key starting material-α-lipoic acid (LA)-is commercially available, inexpensive, and biocompatible. When installed on the chain end(s) of poly(dimethylsiloxane) (PDMS), the cyclic disulfide unit derived from LA polymerizes under ultraviolet (UV) light in ambient conditions. Significantly, no additives such as initiator, solvent, or catalyst are required for efficient gelation. Formulations that include bis-LA-functionalized cross-linker yield bottlebrush elastomers with high gel fractions (83-98%) and tunable, supersoft shear moduli in the ∼20-200 kPa range. An added advantage of these materials is the dynamic disulfide bonds along each bottlebrush backbone, which allow for light-mediated self-healing and on-demand chemical degradation. These results highlight the potential of simple and scalable synthetic routes to generate unique bottlebrush polymers and elastomers based on PDMS.
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Affiliation(s)
| | | | | | | | - Matthias Gerst
- BASF SE, Polymers for Adhesives, Carl-Bosch-Strasse 38, 67056 Ludwigshafen am Rhein, Germany
| | - Joshua C Speros
- BASF Corporation California Research Alliance, Berkeley, California 94720, United States
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35
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Chen XY, Chen H, Đorđević L, Guo QH, Wu H, Wang Y, Zhang L, Jiao Y, Cai K, Chen H, Stern CL, Stupp SI, Snurr RQ, Shen D, Stoddart JF. Selective Photodimerization in a Cyclodextrin Metal-Organic Framework. J Am Chem Soc 2021; 143:9129-9139. [PMID: 34080831 DOI: 10.1021/jacs.1c03277] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
For the most part, enzymes contain one active site wherein they catalyze in a serial manner chemical reactions between substrates both efficiently and rapidly. Imagine if a situation could be created within a chiral porous crystal containing trillions of active sites where substrates can reside in vast numbers before being converted in parallel into products. Here, we report how it is possible to incorporate 1-anthracenecarboxylate (1-AC-) as a substrate into a γ-cyclodextrin-containing metal-organic framework (CD-MOF-1), where the metals are K+ cations, prior to carrying out [4+4] photodimerizations between pairs of substrate molecules, affording selectively one of four possible regioisomers. One of the high-yielding regioisomers exhibits optical activity as a result of the presence of an 8:1 ratio of the two enantiomers following separation by high-performance liquid chromatography. The solid-state superstructure of 1-anthracenecarboxylate potassium salt (1-ACK), which is co-crystallized with γ-cyclodextrin, reveals that pairs of substrate molecules are not only packed inside tunnels between spherical cavities present in CD-MOF-1, but also stabilized-in addition to hydrogen-bonding to the C-2 and C-3 hydroxyl groups on the d-glucopyranosyl residues present in the γ-cyclodextrin tori-by combinations of hydrophobic and electrostatic interactions between the carboxyl groups in 1-AC- and four K+ cations on the waistline between the two γ-cyclodextrin tori in the tunnels. These non-covalent bonding interactions result in preferred co-conformations that account for the highly regio- and enantioselective [4+4] cycloaddition during photoirradiation. Theoretical calculations, in conjunction with crystallography, support the regio- and stereochemical outcome of the photodimerization.
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Affiliation(s)
- Xiao-Yang Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Haoyuan Chen
- Department of Chemical & Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Luka Đorđević
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Center for Bio-inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Qing-Hui Guo
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Huang Wu
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yu Wang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Long Zhang
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Yang Jiao
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Kang Cai
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Hongliang Chen
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Charlotte L Stern
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Samuel I Stupp
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Center for Bio-inspired Energy Science, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Materials Science and Engineering, Northwestern University, 2220 Campus Drive, Evanston, Illinois 60208, United States.,Department of Biomedical Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Medicine, Northwestern University, 676 North St. Clair Street, Chicago, Illinois 60611, United States.,Simpson Querrey Institute, Northwestern University, Chicago, Illinois 60611, United States
| | - Randall Q Snurr
- Department of Chemical & Biological Engineering, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Dengke Shen
- Institutes of Physical Science and Information Technology, Anhui University, Hefei 230601, China
| | - J Fraser Stoddart
- Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States.,School of Chemistry, University of New South Wales, Sydney, NSW 2052, Australia.,Stoddart Institute of Molecular Science, Department of Chemistry, Zhejiang University, Hangzhou 310027, China.,ZJU-Hangzhou Global Scientific and Technological Innovation Center, Hangzhou 311215, China
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36
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Shang J, Gong H, Zhang Q, Cui Z, Li S, Lv P, Pan T, Ge Y, Qi Z. The dynamic covalent reaction based on diselenide-containing crown ether irradiated by visible light. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.11.043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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37
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Kamm PW, Blinco JP, Unterreiner AN, Barner-Kowollik C. Green-light induced cycloadditions. Chem Commun (Camb) 2021; 57:3991-3994. [PMID: 33885643 DOI: 10.1039/d1cc00340b] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
We introduce a red-shifted tetrazole that is able to undergo efficient nitrile imine-mediated tetrazole-ene cycloaddition (NITEC) under blue and green light irradiation. We provide a detailed wavelength-dependent reactivity map, and employ a number of LEDs for high-conversion small molecule and polymer end-group modification.
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Affiliation(s)
- Philipp W Kamm
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia. and School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia and Molecular Physical Chemistry Group, Institute of Physical Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 2, Geb. 30.44, Karlsruhe 76131, Germany.
| | - James P Blinco
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia. and School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Andreas-Neil Unterreiner
- Molecular Physical Chemistry Group, Institute of Physical Chemistry, Karlsruhe Institute of Technology (KIT), Fritz-Haber-Weg 2, Geb. 30.44, Karlsruhe 76131, Germany.
| | - Christopher Barner-Kowollik
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia. and School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
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38
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Alrayyes AU, Low ZX, Wang H, Saito K. Multi-cycle reversible control of gas permeability in thin film composite membranes via efficient UV-induced reactions. Chem Commun (Camb) 2021; 57:3391-3394. [PMID: 33683229 DOI: 10.1039/d0cc08238d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This communication presents a new, UV-induced mechanism to reversibly control the permeability of ultra-thin polymer coatings. Photoreversible [2+2] cycloaddition reactions were utilised to adjust the crosslinking degree and glass transition temperature of a coating. Consequently, a 300%, reversible change in the coating's oxygen permeability was achieved without loss of performance. Ultimately, the findings demonstrate the capability of using low UV doses to reversibly and efficiently regulate mass transport through ultra-thin coatings fabricated in a facile manner.
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39
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Villabona M, Wiedbrauk S, Feist F, Guirado G, Hernando J, Barner-Kowollik C. Dual-Wavelength Gated oxo-Diels-Alder Photoligation. Org Lett 2021; 23:2405-2410. [PMID: 33620229 PMCID: PMC8483443 DOI: 10.1021/acs.orglett.1c00015] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
The control of chemical functionalization with orthogonal light stimuli paves the way toward manipulating materials with unprecedented spatiotemporal resolution. To reach this goal, we herein introduce a photochemical reaction system that enables two-color control of covalent ligation via an oxo-Diels-Alder cycloaddition between two separate light-responsive molecular entities: a UV-activated photocaged diene based on ortho-quinodimethanes and a carbonyl dienophile appended to a diarylethene photoswitch, whose reactivity can be modulated upon illumination with UV and visible light.
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Affiliation(s)
- Marc Villabona
- Department de Química, Universitat Autònoma de Barcelona, Edifici C/n, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | - Sandra Wiedbrauk
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Australia (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
| | - Florian Feist
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Australia (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
| | - Gonzalo Guirado
- Department de Química, Universitat Autònoma de Barcelona, Edifici C/n, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | - Jordi Hernando
- Department de Química, Universitat Autònoma de Barcelona, Edifici C/n, Campus UAB, 08193 Cerdanyola del Vallès, Spain
| | - Christopher Barner-Kowollik
- Centre for Materials Science, School of Chemistry and Physics, Queensland University of Australia (QUT), 2 George Street, Brisbane, Queensland 4000, Australia
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40
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Li WX, Yin YF, Duan HY, Liu LJ, Kong LC, Zhan TG, Zhang KD. An orthogonal photoresponsive tristable [3]rotaxane with non-destructive readout. Org Chem Front 2021. [DOI: 10.1039/d0qo01441a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
An orthogonal photoresponsive [3]rotaxane is constructed by introducing two orthogonal photoswitchable azobenzene binding sites, and it features reversible photoregulated tristate absorption spectral changes with non-destructive readout capability.
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Affiliation(s)
- Wan-Xia Li
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Yong-Fei Yin
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Hong-Ying Duan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Li-Juan Liu
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Li-Chun Kong
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Tian-Guang Zhan
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Kang-Da Zhang
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
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41
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Irshadeen IM, De Bruycker K, Micallef AS, Walden SL, Frisch H, Barner-Kowollik C. Green light LED activated ligation of a scalable, versatile chalcone chromophore. Polym Chem 2021. [DOI: 10.1039/d1py00533b] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Herein we present a photoreactive chalcone moiety that can be synthesized at a scale of several grams with ease, and can efficiently undergo a [2 + 2] photocycloaddition with light close to 500 nm as determined by an action plot.
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Affiliation(s)
- Ishrath Mohamed Irshadeen
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Kevin De Bruycker
- Polymer Chemistry Research Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Faculty of Sciences, Ghent University, Krijgslaan 281-S4, Ghent, 9000, Belgium
| | - Aaron S. Micallef
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Sarah L. Walden
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Hendrik Frisch
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
| | - Christopher Barner-Kowollik
- School of Chemistry and Physics, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
- Centre for Materials Science, Queensland University of Technology (QUT), 2 George Street, Brisbane, QLD 4000, Australia
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42
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Ye J, Fu S, Zhou S, Li M, Li K, Sun W, Zhai Y. Advances in hydrogels based on dynamic covalent bonding and prospects for its biomedical application. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.110024] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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43
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Corrigan N, Ciftci M, Jung K, Boyer C. Gesteuerte Reaktionsorthogonalität in der Polymer‐ und Materialwissenschaft. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201912001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Mustafa Ciftci
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
- Department of Chemistry Faculty of Engineering and Natural Science Bursa Technical University Bursa 16310 Turkey
| | - Kenward Jung
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
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44
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Corrigan N, Ciftci M, Jung K, Boyer C. Mediating Reaction Orthogonality in Polymer and Materials Science. Angew Chem Int Ed Engl 2020; 60:1748-1781. [DOI: 10.1002/anie.201912001] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Indexed: 12/20/2022]
Affiliation(s)
- Nathaniel Corrigan
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Mustafa Ciftci
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
- Department of Chemistry Faculty of Engineering and Natural Science Bursa Technical University Bursa 16310 Turkey
| | - Kenward Jung
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
| | - Cyrille Boyer
- Centre for Advanced Macromolecular Design and Australian Centre for Nanomedicine School of Chemical Engineering UNSW Sydney 2052 Australia
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45
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Kalayci K, Frisch H, Truong VX, Barner-Kowollik C. Green light triggered [2+2] cycloaddition of halochromic styrylquinoxaline-controlling photoreactivity by pH. Nat Commun 2020; 11:4193. [PMID: 32826921 PMCID: PMC7443129 DOI: 10.1038/s41467-020-18057-9] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/29/2020] [Indexed: 12/20/2022] Open
Abstract
Photochemical reactions are a powerful tool in (bio)materials design due to the spatial and temporal control light can provide. To extend their applications in biological setting, the use of low-energy, long wavelength light with high penetration propertiesis required. Further regulation of the photochemical process by additional stimuli, such as pH, will open the door for construction of highly regulated systems in nanotechnology- and biology-driven applications. Here we report the green light induced [2+2] cycloaddition of a halochromic system based on a styrylquinoxaline moiety, which allows for its photo-reactivity to be switched on and off by adjusting the pH of the system. Critically, the [2+2] photocycloaddition can be activated by green light (λ up to 550 nm), which is the longest wavelength employed to date in catalyst-free photocycloadditions in solution. Importantly, the pH-dependence of the photo-reactivity was mapped by constant photon action plots. The action plots further indicate that the choice of solvent strongly impacts the system's photo-reactivity. Indeed, higher conversion and longer activation wavelengths were observed in water compared to acetonitrile under identical reaction conditions. The wider applicability of the system was demonstrated in the crosslinking of an 8-arm PEG to form hydrogels (ca. 1 cm in thickness) with a range of mechanical properties and pH responsiveness, highlighting the potential of the system in materials science.
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Affiliation(s)
- Kubra Kalayci
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia
| | - Hendrik Frisch
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia.
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia.
| | - Vinh X Truong
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia.
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia.
| | - Christopher Barner-Kowollik
- Centre for Materials Science, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia.
- School of Chemistry and Physics, Queensland University of Technology, 2 George Street, Brisbane, QLD, 4000, Australia.
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46
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Truong VX. Break Up to Make Up: Utilization of Photocleavable Groups in Biolabeling of Hydrogel Scaffolds. CHEMPHOTOCHEM 2020. [DOI: 10.1002/cptc.202000072] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Vinh X. Truong
- School of Chemistry and PhysicsQueensland University of Technology 2 George St. QLD 4000 Brisbane Australia
- Centre for Materials ScienceQueensland University of Technology 2 George Street Brisbane QLD 4000 Australia
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47
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Podgórski M, Fairbanks BD, Kirkpatrick BE, McBride M, Martinez A, Dobson A, Bongiardina NJ, Bowman CN. Toward Stimuli-Responsive Dynamic Thermosets through Continuous Development and Improvements in Covalent Adaptable Networks (CANs). ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e1906876. [PMID: 32057157 DOI: 10.1002/adma.201906876] [Citation(s) in RCA: 145] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 11/18/2019] [Indexed: 05/15/2023]
Abstract
Covalent adaptable networks (CANs), unlike typical thermosets or other covalently crosslinked networks, possess a unique, often dormant ability to activate one or more forms of stimuli-responsive, dynamic covalent chemistries as a means to transition their behavior from that of a viscoelastic solid to a material with fluid-like plastic flow. Upon application of a stimulus, such as light or other irradiation, temperature, or even a distinct chemical signal, the CAN responds by transforming to a state of temporal plasticity through activation of either reversible addition or reversible bond exchange, either of which allows the material to essentially re-equilibrate to an altered set of conditions that are distinct from those in which the original covalently crosslinked network is formed, often simultaneously enabling a new and distinct shape, function, and characteristics. As such, CANs span the divide between thermosets and thermoplastics, thus offering unprecedented possibilities for innovation in polymer and materials science. Without attempting to comprehensively review the literature, recent developments in CANs are discussed here with an emphasis on the most effective dynamic chemistries that render these materials to be stimuli responsive, enabling features that make CANs more broadly applicable.
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Affiliation(s)
- Maciej Podgórski
- Department of Chemical and Biological Engineering, University of Colorado, UCB 596, Boulder, CO, 80309, USA
- Department of Polymer Chemistry, Faculty of Chemistry, Maria Curia-Sklodowska University, pl. Marii Curie-Sklodowskiej 5, Lublin, 20-031, Poland
| | - Benjamin D Fairbanks
- Department of Chemical and Biological Engineering, University of Colorado, UCB 596, Boulder, CO, 80309, USA
| | - Bruce E Kirkpatrick
- Medical Scientist Training Program, School of Medicine, University of Colorado, Aurora, CO, 80045, USA
| | - Matthew McBride
- Department of Chemical and Biological Engineering, University of Colorado, UCB 596, Boulder, CO, 80309, USA
| | - Alina Martinez
- Materials Science and Engineering Program, University of Colorado, Boulder, CO, 80309, USA
| | - Adam Dobson
- Department of Chemical and Biological Engineering, University of Colorado, UCB 596, Boulder, CO, 80309, USA
| | - Nicholas J Bongiardina
- Materials Science and Engineering Program, University of Colorado, Boulder, CO, 80309, USA
| | - Christopher N Bowman
- Department of Chemical and Biological Engineering, University of Colorado, UCB 596, Boulder, CO, 80309, USA
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48
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Frisch H, Mundsinger K, Poad BLJ, Blanksby SJ, Barner-Kowollik C. Wavelength-gated photoreversible polymerization and topology control. Chem Sci 2020; 11:2834-2842. [PMID: 32206267 PMCID: PMC7069517 DOI: 10.1039/c9sc05381f] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 02/10/2020] [Indexed: 01/01/2023] Open
Abstract
We exploit the wavelength dependence of [2 + 2] photocycloadditions and -reversions of styrylpyrene to exert unprecedented control over the photoreversible polymerization and topology of telechelic building blocks. Blue light (λ max = 460 nm) initiates a catalyst-free polymerization yielding high molar mass polymers (M n = 60 000 g mol-1), which are stable at wavelengths exceeding 430 nm, yet highly responsive to shorter wavelengths. UVB irradiation (λ max = 330 nm) induces a rapid depolymerization affording linear oligomers, whereas violet light (λ max = 410 nm) generates cyclic entities. Thus, different colors of light allow switching between a depolymerization that either proceeds through cyclic or linear topologies. The light-controlled topology formation was evidenced by correlation of mass spectrometry (MS) with size exclusion chromatography (SEC) and ion mobility data. Critically, the color-guided topology control was also possible with ambient laboratory light affording cyclic oligomers, while sunlight activated the linear depolymerization pathway. These findings suggest that light not only induces polymerization and depolymerization but that its color can control the topological outcomes.
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Affiliation(s)
- Hendrik Frisch
- Centre for Materials Science , School of Chemistry and Physics , Queensland University of Technology (QUT) , 2 George Street , Brisbane , QLD 4000 , Australia .
| | - Kai Mundsinger
- Centre for Materials Science , School of Chemistry and Physics , Queensland University of Technology (QUT) , 2 George Street , Brisbane , QLD 4000 , Australia .
| | - Berwyck L J Poad
- Central Analytical Research Facility , Institute for Future Environments , Queensland University of Technology (QUT) , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Stephen J Blanksby
- Central Analytical Research Facility , Institute for Future Environments , Queensland University of Technology (QUT) , 2 George Street , Brisbane , QLD 4000 , Australia
| | - Christopher Barner-Kowollik
- Centre for Materials Science , School of Chemistry and Physics , Queensland University of Technology (QUT) , 2 George Street , Brisbane , QLD 4000 , Australia .
- Macromolecular Architectures , Institut für Technische Chemie und Polymerchemie , Karlsruhe Institute of Technology (KIT) , Engesserstrasse 18 , 76131 Karlsruhe , Germany
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49
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Frisch H, Tuten BT, Barner‐Kowollik C. Macromolecular Superstructures: A Future Beyond Single Chain Nanoparticles. Isr J Chem 2020. [DOI: 10.1002/ijch.201900145] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Hendrik Frisch
- Centre for Materials Science, School of Chemistry and Physics Queensland University of Technology (QUT) 2 George Street Brisbane, QLD 4000 Australia
| | - Bryan T. Tuten
- Centre for Materials Science, School of Chemistry and Physics Queensland University of Technology (QUT) 2 George Street Brisbane, QLD 4000 Australia
| | - Christopher Barner‐Kowollik
- Centre for Materials Science, School of Chemistry and Physics Queensland University of Technology (QUT) 2 George Street Brisbane, QLD 4000 Australia
- Macromolecular Architectures Institut für Technische Chemie und Polymerchemie KarlsruheInstitute of Technology (KIT) Engesserstr.18 76131 Karlsruhe Germany
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50
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Levy A, Goldstein H, Brenman D, Diesendruck CE. Effect of intramolecular crosslinker properties on the mechanochemical fragmentation of covalently folded polymers. JOURNAL OF POLYMER SCIENCE 2020. [DOI: 10.1002/pol.20190217] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Avishai Levy
- Schulich Faculty of ChemistryTechnion – Israel Institute of Technology Haifa 3200008 Israel
| | - Hadar Goldstein
- Schulich Faculty of ChemistryTechnion – Israel Institute of Technology Haifa 3200008 Israel
| | - Dolev Brenman
- Schulich Faculty of ChemistryTechnion – Israel Institute of Technology Haifa 3200008 Israel
| | - Charles E. Diesendruck
- Schulich Faculty of ChemistryTechnion – Israel Institute of Technology Haifa 3200008 Israel
- Russell‐Berrie Nanotechnology InstituteTechnion – Israel Institute of Technology Haifa 3200003 Israel
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