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Zou J, Liao J, He Y, Zhang T, Xiao Y, Wang H, Shen M, Yu T, Huang W. Recent Development of Photochromic Polymer Systems: Mechanism, Materials, and Applications. RESEARCH (WASHINGTON, D.C.) 2024; 7:0392. [PMID: 38894714 PMCID: PMC11184227 DOI: 10.34133/research.0392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 04/26/2024] [Indexed: 06/21/2024]
Abstract
Photochromic polymer is defined as a series of materials based on photochromic units in polymer chains, which produces reversible color changes under irradiation with a particular wavelength. Currently, as the research progresses, it shows increasing potential applications in various fields, such as anti-counterfeiting, information storage, super-resolution imaging, and logic gates. However, there is a paucity of published reviews on the topic of photochromic polymers. Herein, this review discusses and summarizes the research progress and prospects of such materials, mainly summarizing the basic mechanisms, classification, and applications of azobenzene, spiropyran, and diarylethene photochromic polymers. Moreover, 3-dimensional (3D) printable photochromic polymers are worthy to be summarized specifically because of its innovative approach for practical application; meanwhile, the developing 3D printing technology has shown increasing potential opportunities for better applications. Finally, the current challenges and future directions of photochromic polymer materials are summarized.
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Affiliation(s)
- Jindou Zou
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Jimeng Liao
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Yunfei He
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Tiantian Zhang
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Yuxin Xiao
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Hailan Wang
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Mingyao Shen
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
| | - Tao Yu
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
- Key Laboratory of Flexible Electronics of Zhejiang Province,
Ningbo Institute of Northwestern Polytechnical University, Ningbo 315103, China
| | - Wei Huang
- Frontiers Science Center for Flexible Electronics (FSCFE) and Xi’an Institute of Flexible Electronics (IFE),
Northwestern Polytechnical University, Xi’an 710072, China
- Key Laboratory of Flexible Electronics (KLOFE) and Institute of Advanced Materials (IAM),
Nanjing Tech University (Nanjing Tech), Nanjing 211816, China
- State Key Laboratory of Organic Electronics and Information Displays and Jiangsu Key Laboratory of Biosensors, Institute of Advanced Materials (IAM),
Nanjing University of Posts and Telecommunications, Nanjing 210023, China
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La Monica G, Alamia F, Bono A, Lauria A, Martorana A. Scaffold-Hopping Strategies in Aurone Optimization: A Comprehensive Review of Synthetic Procedures and Biological Activities of Nitrogen and Sulfur Analogues. Molecules 2024; 29:2813. [PMID: 38930878 PMCID: PMC11206683 DOI: 10.3390/molecules29122813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 06/04/2024] [Accepted: 06/10/2024] [Indexed: 06/28/2024] Open
Abstract
Aurones, particular polyphenolic compounds belonging to the class of minor flavonoids and overlooked for a long time, have gained significative attention in medicinal chemistry in recent years. Indeed, considering their unique and outstanding biological properties, they stand out as an intriguing reservoir of new potential lead compounds in the drug discovery context. Nevertheless, several physicochemical, pharmacokinetic, and pharmacodynamic (P3) issues hinder their progression in more advanced phases of the drug discovery pipeline, making lead optimization campaigns necessary. In this context, scaffold hopping has proven to be a valuable approach in the optimization of natural products. This review provides a comprehensive and updated picture of the scaffold-hopping approaches directed at the optimization of natural and synthetic aurones. In the literature analysis, a particular focus is given to nitrogen and sulfur analogues. For each class presented, general synthetic procedures are summarized, highlighting the key advantages and potential issues. Furthermore, the biological activities of the most representative scaffold-hopped compounds are presented, emphasizing the improvements achieved and the potential for further optimization compared to the aurone class.
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Affiliation(s)
| | | | | | | | - Annamaria Martorana
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies (STEBICEF), University of Palermo, Viale delle Scienze, Ed. 17, I-90128 Palermo, Italy; (G.L.M.); (F.A.); (A.B.); (A.L.)
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Zitzmann M, Fröhling M, Dube H. Gain of Function Recyclable Photoswitches: Reversible Simultaneous Substitution and Photochromism Generation. Angew Chem Int Ed Engl 2024; 63:e202318767. [PMID: 38315498 DOI: 10.1002/anie.202318767] [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: 12/06/2023] [Revised: 01/20/2024] [Accepted: 01/23/2024] [Indexed: 02/07/2024]
Abstract
The use of molecular photoswitches has spread to virtually every field of pure and applied chemistry because of the extraordinary level of control they provide over the behavior of matter at the smallest scales. Photoswitches possess at least two different states with distinct structures and/or electronics and further functionalization of their core chromophore structures is needed to tailor them for a specific application. In this work we present a different concept for the generation and use of molecular photoswitches. It allows not only simultaneous establishment of photochromism and functionalization, but also full recyclability of a non-photochromic precursor material. Using a high-yielding and reversible ammonium salt formation, a functional group is introduced into a symmetric precursor while at the same time a strong electronic push-pull character is established in the structure. The resulting desymmetrization leads to efficient photoswitching capacity and the functional group can be fully removed subsequently by a simple heating step recovering the precursor for another functionalization round. We finally demonstrate feasibility of this concept over two consecutive closed loop functionalization/photoswitching/recovery steps. This concept offers great potential in any chemical research and application driven area but especially for the creation of responsive reprogrammable materials, no-background photoswitch labeling, and sustainable chemistry.
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Affiliation(s)
- Max Zitzmann
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Matthias Fröhling
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Henry Dube
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
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Rybalkin VP, Zmeeva SY, Popova LL, Dubonosova IV, Karlutova OY, Demidov OP, Dubonosov AD, Bren VA. Synthesis of photo- and ionochromic N-acylated 2-(aminomethylene)benzo[ b]thiophene-3(2 Н)-ones with a terminal phenanthroline group. Beilstein J Org Chem 2024; 20:552-560. [PMID: 38505235 PMCID: PMC10949002 DOI: 10.3762/bjoc.20.47] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 02/28/2024] [Indexed: 03/21/2024] Open
Abstract
A series of novel photo- and ionochromic N-acylated 2-(aminomethylene)benzo[b]thiophene-3(2Н)-ones with a terminal phenanthroline receptor substituent was synthesized. Upon irradiation in acetonitrile or DMSO with light of 436 nm, they underwent Z-E isomerization of the C=C bond, followed by very fast N→O migration of the acyl group and the formation of nonemissive O-acylated isomers. These isomers were isolated preparatively and fully characterized by IR, 1H, and 13C NMR spectroscopy as well as HRMS and XRD methods. The reverse thermal reaction was catalyzed by protonic acids. N-Acylated compounds exclusively with Fe2+ formed nonfluorescent complexes with a contrast naked-eye effect: a color change of the solutions from yellow to dark orange. Subsequent selective interaction with AcO- led to the restoration of the initial absorption and emission properties. Thus, the obtained compounds represent dual-mode "on-off-on" switches of optical and fluorescent properties under sequential exposure to light and H+ or sequential addition of Fe2+ and AcO- ions.
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Affiliation(s)
- Vladimir P Rybalkin
- Federal Research Centre the Southern Scientific Centre of the Russian Academy of Sciences, Rostov-on-Don 344006, Russian Federation
| | - Sofiya Yu Zmeeva
- Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-Don 344090, Russian Federation
| | - Lidiya L Popova
- Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-Don 344090, Russian Federation
| | - Irina V Dubonosova
- Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-Don 344090, Russian Federation
| | - Olga Yu Karlutova
- Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-Don 344090, Russian Federation
| | - Oleg P Demidov
- North Caucasus Federal University, Stavropol 355009, Russian Federation
| | - Alexander D Dubonosov
- Federal Research Centre the Southern Scientific Centre of the Russian Academy of Sciences, Rostov-on-Don 344006, Russian Federation
| | - Vladimir A Bren
- Institute of Physical and Organic Chemistry, Southern Federal University, Rostov-on-Don 344090, Russian Federation
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Qu W, Bi Z, Zou C, Chen C. Light, Heat, and Force-Responsive Polyolefins. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307568. [PMID: 38183385 PMCID: PMC10953547 DOI: 10.1002/advs.202307568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/23/2023] [Indexed: 01/08/2024]
Abstract
Stimuli-responsive polymers have found applications as shape-memory materials, optical switches, and sensors, but the installation of these responsive properties in non-polar and inert polyolefins is challenging. In this contribution, a series of spiropyran (SP)-based comonomers are synthesized and copolymerized with ethylene or ethylene/cyclic monomers. In addition to great mechanical and surface properties, these functionalized polyolefins responded to light, heat, and force, which induced changes in the polymer structure to transmit color or mechanical signals. These interesting responsive properties are also installed in a series of commercial polyolefin materials through reactive extrusion, making the scalable production of these materials possible.
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Affiliation(s)
- Weicheng Qu
- Key Laboratory of Precision and Intelligent ChemistryDepartment of Polymer Science and EngineeringUniversity of Science and Technology of ChinaHefei230026China
| | - Zhengxing Bi
- Key Laboratory of Precision and Intelligent ChemistryDepartment of Polymer Science and EngineeringUniversity of Science and Technology of ChinaHefei230026China
| | - Chen Zou
- Key Laboratory of Precision and Intelligent ChemistryDepartment of Polymer Science and EngineeringUniversity of Science and Technology of ChinaHefei230026China
| | - Changle Chen
- Key Laboratory of Precision and Intelligent ChemistryDepartment of Polymer Science and EngineeringUniversity of Science and Technology of ChinaHefei230026China
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Xu WW, Chen Y, Xu X, Liu Y. Light and Heat-Driven Flexible Solid Supramolecular Polymer Displaying Phosphorescence and Reversible Photochromism. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024:e2311087. [PMID: 38335310 DOI: 10.1002/smll.202311087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/28/2024] [Indexed: 02/12/2024]
Abstract
Herein, a type of light- and heat-driven flexible supramolecular polymer with reversibly long-lived phosphorescence and photochromism is constructed from acrylamide copolymers with 4-phenylpyridinium derivatives containing a cyano group (P-CN, P-oM, P-mM), sulfobutylether-β-cyclodextrin (SBCD), and polyvinyl alcohol (PVA). Compared to their parent solid polymers, these flexible supramolecules based on the non-covalent cross-linking of copolymers, SBCD, and PVA efficiently boost the phosphorescence lifetimes (723.0 ms for P-CN, 623.0 ms for P-oM, 945.8 ms for P-mM) through electrostatic interaction and hydrogen bonds. The phosphorescence intensity/lifetime, showing excellent responsiveness to light and heat, sharply decreased after irradiation with a 275 nm flashlight or sunlight and gradually recovered through heating. This is accompanied by the occurrence and fading of visible photochromism, manifesting as dark green for P-CN and pink for P-oM and P-mM. These reversible photochromism and phosphorescence behaviors are mainly attributed to the generation and disappearance of organic radicals in the 4-phenylpyridinium derivatives with a cyano group, which can guide tunable luminescence and photochromism.
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Affiliation(s)
- Wen-Wen Xu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Yong Chen
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Xiufang Xu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, P. R. China
| | - Yu Liu
- College of Chemistry, State Key Laboratory of Elemento-Organic Chemistry, Nankai University, Tianjin, 300071, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300071, P. R. China
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Köttner L, Ciekalski E, Dube H. Peri-Anthracenethioindigo: A Scaffold for Efficient All-Red-Light and Near-Infrared Molecular Photoswitching. Angew Chem Int Ed Engl 2023; 62:e202312955. [PMID: 37806956 DOI: 10.1002/anie.202312955] [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: 09/01/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 10/10/2023]
Abstract
Molecular photoswitching with red light is greatly desired to evade photodamage and achieve specific photoresponses. In virtually all reported cases however, only one switching direction uses red light while for the reverse switching, UV or visible light is needed. All-red-light photoswitching brings with it the clear advantage of pushing photoswitching to the limit of the low-energy spectrum, but no viable system is available currently. Here we report on peri-anthracenethioindigo (PAT) as molecular scaffold for highly efficient all-red-light photoswitching with an outstanding performance and property profile. The PAT photoswitch provides near-infrared (NIR) absorption up to 850 nm, large negative photochromism with more than 140 nm maxima shifts and changes color from green to blue upon irradiation with two shades of red light. Thermal stability of the metastable Z isomer is high with a corresponding half-life of days at 20 °C. Application in red-light responsive polymers undergoing pronounced and reversible green to blue color changes demonstrate spatially resolved photoswitching. The PAT photoswitch thus offers unique responsiveness to very low energy light together with predictable and large geometrical changes within a rigid molecular scaffold. We expect a plethora of applications for PAT in the near future, e.g. in materials, molecular machines or biological context.
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Affiliation(s)
- Laura Köttner
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Elias Ciekalski
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
| | - Henry Dube
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Department of Chemistry and Pharmacy, Nikolaus-Fiebiger-Str. 10, 91058, Erlangen, Germany
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Duindam N, van Dongen M, Siegler MA, Wezenberg SJ. Monodirectional Photocycle Drives Proton Translocation. J Am Chem Soc 2023; 145:21020-21026. [PMID: 37712835 PMCID: PMC10540201 DOI: 10.1021/jacs.3c06587] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Indexed: 09/16/2023]
Abstract
Photoisomerization of retinal is pivotal to ion translocation across the bacterial membrane and has served as an inspiration for the development of artificial molecular switches and machines. Light-driven synthetic systems in which a macrocyclic component transits along a nonsymmetric axle in a specific direction have been reported; however, unidirectional and repetitive translocation of protons has not been achieved. Herein, we describe a unique protonation-controlled isomerization behavior for hemi-indigo dyes bearing N-heterocycles, featuring intramolecular hydrogen bonds. Light-induced isomerization from the Z to E isomer is unlocked when protonated, while reverse E → Z photoisomerization occurs in the neutral state. As a consequence, associated protons are displaced in a preferred direction with respect to the photoswitchable scaffold. These results will prove to be critical in developing artificial systems in which concentration gradients can be effectively generated using (solar) light energy.
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Affiliation(s)
- Nol Duindam
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Michelle van Dongen
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
| | - Maxime A. Siegler
- Department
of Chemistry, Johns Hopkins University, 3400 N. Charles St., Baltimore, Maryland 21218, United States
| | - Sander J. Wezenberg
- Leiden
Institute of Chemistry, Leiden University, Einsteinweg 55, Leiden 2333 CC, The Netherlands
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