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Brahmachari G. Practice of green chemistry strategies in synthetic organic chemistry: a glimpse of our sincere efforts in green chemistry research. Chem Commun (Camb) 2024. [PMID: 38978452 DOI: 10.1039/d4cc02249a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/10/2024]
Abstract
This feature article summarises our recent contributions (2019-2023) in designing and developing a handful of promising organic transformations for accessing several diversely functionalised biologically relevant organic scaffolds, following the green chemistry principles, particularly focusing on the application of low-energy visible light, electrochemistry, ball-milling, ultrasound, and catalyst- and additive-free synthetic strategies.
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Affiliation(s)
- Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis, Department of Chemistry, Visva-Bharati (a Central University), Santiniketan-731 235, West Bengal, India.
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2
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Liu X, Hu J, Yang J, Peng L, Tang J, Wang X, Huang R, Liu J, Liu K, Wang T, Liu X, Ding L, Fang Y. Fully Reversible and Super-Fast Photo-Induced Morphological Transformation of Nanofilms for High-Performance UV Detection and Light-Driven Actuators. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2307165. [PMID: 38225747 DOI: 10.1002/advs.202307165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/30/2023] [Indexed: 01/17/2024]
Abstract
Flexible and highly ultraviolet (UV) sensitive materials garner considerable attention in wearable devices, adaptive sensors, and light-driven actuators. Herein, a type of nanofilms with unprecedented fully reversible UV responsiveness are successfully constructed. Building upon this discovery, a new system for ultra-fast, sensitive, and reliable UV detection is developed. The system operates by monitoring the displacement of photoinduced macroscopic motions of the nanofilms based composite membranes. The system exhibits exceptional responsiveness to UV light at 375 nm, achieving remarkable response and recovery times of < 0.3 s. Furthermore, it boasts a wide detection range from 2.85 µW cm-2 to 8.30 mW cm-2, along with robust durability. Qualitative UV sensing is accomplished by observing the shape changes of the composite membranes. Moreover, the composite membrane can serve as sunlight-responsive actuators for artificial flowers and smart switches in practical scenarios. The photo-induced motion is ascribed to the cis-trans isomerization of the acylhydrazone bonds, and the rapid and fully reversible shape transformation is supposed to be a synergistic result of the instability of the cis-isomers acylhydrazone bonds and the rebounding property of the networked nanofilms. These findings present a novel strategy for both quantitative and qualitative UV detection.
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Affiliation(s)
- Xiangquan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jiahui Hu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jinglun Yang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong SAR, 999077, China
| | - Lingya Peng
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jiaqi Tang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Xi'an Rare Matel Materials Institute Co. Ltd, Xi'an, 710016, China
| | - Xiaohui Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Rongrong Huang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Jianfei Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
- Northwest Institute for Nonferrous Metal Research, Xi'an, 710016, China
| | - Kaiqiang Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Tingyi Wang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Xiaoyan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Liping Ding
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
| | - Yu Fang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, China
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3
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Peña D, Lápez-Piñeiro A, Fernández D, Light ME, Prieto JM, Santisteban L, Valladares RX, Cintas P, Babiano R. A new series of acylhydrazones derived from metribuzin with modulated herbicidal activity. Heliyon 2023; 9:e21313. [PMID: 37942154 PMCID: PMC10628692 DOI: 10.1016/j.heliyon.2023.e21313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 10/14/2023] [Accepted: 10/19/2023] [Indexed: 11/10/2023] Open
Abstract
This paper reports the preparation and herbicidal evaluation of a small library of acylhydrazones based on the synthetic herbicide metribuzin. The hydrazone linkage easily obtained by reaction of metribuzin with aliphatic and aromatic aldehydes, masks efficiently the exocyclic amino group, thereby altering significantly H-bonding with the receptor and increasing the lipophilicity relative to the parent herbicide. The structures of all compounds, including key stereochemical issues on conformation and E/Z configuration around the C[bond, double bond]N bond were thoroughly elucidated by spectroscopic methods, and unambiguously corroborated by X-ray diffraction analysis. The herbicidal assays using an aliphatic and an aromatic acylhydrazone were performed on tomato and rapeseed plants grown in greenhouse. Our results demonstrate, regardless of rate application, that such acylhydrazone formulations do not alter the selectivity of metribuzin. Moreover, the herbicide activity was even higher in the alkyl derivative than that achieved by commercial metribuzin, thus suggesting that this substance can be applied with no need of combination with chemical coadjuvants, unlike most formulations of commercially available herbicides. Therefore, the study shows the promising effect of chemical derivatization of a common herbicide as metribuzin, to improve the herbicide activity without compromising selectivity, and allowing the farmers its use in crop protection safely and effectively.
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Affiliation(s)
- David Peña
- Área de Edafología y Química Agrícola, Escuela de Ingenierías Agrarias– IACYS, Universidad de Extremadura, Ctra de Cáceres, 06071, Badajoz, Spain
| | - Antonio Lápez-Piñeiro
- Área de Edafología y Química Agrícola, Facultad de Ciencias-IACYS, Universidad de Extremadura, Avenida de Elvas s/n, 06006, Badajoz, Spain
| | - Damian Fernández
- Área de Producción Vegetal, Escuela de Ingenierías Agrarias-IACYS, Universidad de Extremadura, Ctra. de Cáceres s/n, 06006, Badajoz, Spain
| | - Mark E. Light
- Department of Chemistry, Faculty of Engineering and Physical Sciences, University of Southampton, Southampton, SO17 1BJ, UK
| | - Juan Manuel Prieto
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias, and IACYS-Unidad de Química Verde y Desarrollo Sostenible, Universidad de Extremadura, 06006, Badajoz, Spain
| | - Lucía Santisteban
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias, and IACYS-Unidad de Química Verde y Desarrollo Sostenible, Universidad de Extremadura, 06006, Badajoz, Spain
| | - Richardo Xhavier Valladares
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias, and IACYS-Unidad de Química Verde y Desarrollo Sostenible, Universidad de Extremadura, 06006, Badajoz, Spain
| | - Pedro Cintas
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias, and IACYS-Unidad de Química Verde y Desarrollo Sostenible, Universidad de Extremadura, 06006, Badajoz, Spain
| | - Reyes Babiano
- Departamento de Química Orgánica e Inorgánica, Facultad de Ciencias, and IACYS-Unidad de Química Verde y Desarrollo Sostenible, Universidad de Extremadura, 06006, Badajoz, Spain
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4
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Zhang Z, Le GNT, Ge Y, Tang X, Chen X, Ejim L, Bordeleau E, Wright GD, Burns DC, Tran S, Axerio-Cilies P, Wang YT, Dong M, Woolley GA. Isomerization of bioactive acylhydrazones triggered by light or thiols. Nat Chem 2023; 15:1285-1295. [PMID: 37308709 DOI: 10.1038/s41557-023-01239-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2022] [Accepted: 05/12/2023] [Indexed: 06/14/2023]
Abstract
The acylhydrazone unit is well represented in screening databases used to find ligands for biological targets, and numerous bioactive acylhydrazones have been reported. However, potential E/Z isomerization of the C=N bond in these compounds is rarely examined when bioactivity is assayed. Here we analysed two ortho-hydroxylated acylhydrazones discovered in a virtual drug screen for modulators of N-methyl-D-aspartate receptors and other bioactive hydroxylated acylhydrazones with structurally defined targets reported in the Protein Data Bank. We found that ionized forms of these compounds, which are populated under laboratory conditions, photoisomerize readily and the isomeric forms have markedly different bioactivity. Furthermore, we show that glutathione, a tripeptide involved with cellular redox balance, catalyses dynamic E⇄Z isomerization of acylhydrazones. The ratio of E to Z isomers in cells is determined by the relative stabilities of the isomers regardless of which isomer was applied. We conclude that E/Z isomerization may be a common feature of the bioactivity observed with acylhydrazones and should be routinely analysed.
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Affiliation(s)
- Zhiwei Zhang
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
- Key Laboratory for Advanced Materials, School of Chemistry and Molecular Engineering, East China University of Science and Technology, Shanghai, China
| | - Giang N T Le
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Yang Ge
- Department of Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada
| | - Xiaowen Tang
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao, China
| | - Xin Chen
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao, China
| | - Linda Ejim
- David Braley Centre for Antibiotics Discovery M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Emily Bordeleau
- David Braley Centre for Antibiotics Discovery M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Gerard D Wright
- David Braley Centre for Antibiotics Discovery M.G. DeGroote Institute for Infectious Disease Research, Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada
| | - Darcy C Burns
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Susannah Tran
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada
| | - Peter Axerio-Cilies
- Department of Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Yu Tian Wang
- Department of Medicine, Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, British Columbia, Canada.
| | - Mingxin Dong
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao, China.
| | - G Andrew Woolley
- Department of Chemistry, University of Toronto, Toronto, Ontario, Canada.
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5
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Sharma P, Karmakar I, Brahmachari G, Gupta VK. X-Ray Analysis of N'-Acetyl-4-formyl-N'-phenylbenzohydrazide. CRYSTALLOGR REP+ 2022. [DOI: 10.1134/s1063774522070112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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6
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Wortmann S, Kutta RJ, Nuernberger P. Monitoring the photochemistry of a formazan over 15 orders of magnitude in time. Front Chem 2022; 10:983342. [PMID: 36247663 PMCID: PMC9554553 DOI: 10.3389/fchem.2022.983342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/23/2022] [Indexed: 11/13/2022] Open
Abstract
2,3,5-triphenyltetrazolium chloride (TTC) may convert into phenyl-benzo[c]tetrazolocinnolium chloride (PTC) and 1,3,5-triphenylformazan (TPF) under irradiation with light. The latter reaction, albeit enzymatically rather than photochemically, is used in so-called TTC assays indicating cellular respiration and cell growth. In this paper, we address the photochemistry of TPF with time-resolved spectroscopy on various time scales. TPF is stabilized by an intramolecular hydrogen bond and switches photochemically via an E-Z isomerization around an N=N double bond into another TPF-stereoisomer, from which further isomerizations around the C=N double bond of the phenylhydrazone group are possible. We investigate the underlying processes by time-resolved spectroscopy in dependence on excitation wavelength and solvent environment, resolving several intermediates over a temporal range spanning 15 orders of magnitude (hundreds of femtoseconds to hundreds of seconds) along the reaction path. In a quantum-chemical analysis, we identify 16 stable ground-state isomers and discuss which ones are identified in the experimental data. We derive a detailed scheme how these species are thermally and photochemically interconnected and conclude that proton transfer processes are involved.
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7
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Brahmachari G, Bhowmick A, Karmakar I. Catalyst- and Additive-Free C(sp 3)-H Functionalization of (Thio)barbituric Acids via C-5 Dehydrogenative Aza-Coupling Under Ambient Conditions. ACS OMEGA 2022; 7:30051-30063. [PMID: 36061699 PMCID: PMC9434791 DOI: 10.1021/acsomega.2c03073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
A one-pot room-temperature-based three-component reaction strategy has been accomplished to access a new series of bio-relevant barbituric/2-thiobarbituric acid hydrazones from the reaction between barbituric/2-thiobarbituric acids, primary aromatic amines, and tert-butyl nitrite in an acetonitrile solvent, without the aid of any catalysts/additives. The ambient reaction conditions can efficiently implement the C(sp3)-H functionalization of barbituric/2-thiobarbituric acids via C-5 dehydrogenative aza-coupling. The process does not require column chromatographic purification; pure products are obtained by simple filtration of the resulting reaction mixture, followed by washing the crude residue with distilled water. The catalyst-free ambient reaction conditions, operational simplicity, broad substrate scope and tolerance for various functional groups, no need for chromatographic purification, good to excellent yields of products within reasonable reaction times in minutes, clean reaction profile, and gram-scale synthetic applicability make this procedure attractive, green, and cost-effective.
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8
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Gao Z, Yan F, Shi L, Han Y, Qiu S, Zhang J, Wang F, Wu S, Tian W. Acylhydrazone-based supramolecular assemblies undergoing a converse sol-to-gel transition on trans → cis photoisomerization. Chem Sci 2022; 13:7892-7899. [PMID: 35865886 PMCID: PMC9258502 DOI: 10.1039/d2sc01657e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 06/14/2022] [Indexed: 11/21/2022] Open
Abstract
Photoisomeric supramolecular assemblies have drawn enormous attention in recent years. Although it is a general rule that photoisomerization from a less to a more distorted isomer causes the destruction of assemblies, this photoisomerization process inducing a converse transition from irregular aggregates to regular assemblies is still a great challenge. Here, we report a converse sol-to-gel transition derived from the planar to nonplanar photoisomer conversion, which is in sharp contrast to the conventional light-induced gel collapse. A well-designed acylhydrazone-linked monomer is exploited as a photoisomer to realize the above-mentioned phase transition. In the monomer, imine is responsible for trans–cis interconversion and amide generates intermolecular hydrogen bonds enabling the photoisomerization-driven self-assembly. The counterintuitive feature of the sol-to-gel transition is ascribed to the partial trans → cis photoisomerization of acylhydrazone causing changes in stacking mode of monomers. Furthermore, the reversible phase transition is applied in the valves formed in situ in microfluidic devices, providing fascinating potential for miniature materials. A converse sol-to-gel transition system based on trans → cis photoisomerization of acylhydrazone-based supramolecular assemblies has been sucessfully established, which was applied in the gel-based microvalves that can in situ control flow by light.![]()
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Affiliation(s)
- Zhao Gao
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Fei Yan
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Lulu Shi
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Yifei Han
- Department of Polymer Science and Engineering, University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Shuai Qiu
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Juan Zhang
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University Xi'an 710072 P. R. China
| | - Feng Wang
- Department of Polymer Science and Engineering, University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Si Wu
- Department of Polymer Science and Engineering, University of Science and Technology of China Hefei Anhui 230026 P. R. China
| | - Wei Tian
- Shaanxi Key Laboratory of Macromolecular Science and Technology, MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, School of Chemistry and Chemical Engineering, Northwestern Polytechnical University Xi'an 710072 P. R. China
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9
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Substrate Photoswitching for Rate Enhancement of an Organocatalytic Cyclization Reaction. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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10
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Zhu X, Xu Y, Zhao C, Jia C, Guo X. Recent Advances in Photochemical Reactions on Single-Molecule Electrical Platforms. Macromol Rapid Commun 2022; 43:e2200017. [PMID: 35150177 DOI: 10.1002/marc.202200017] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/05/2022] [Indexed: 11/08/2022]
Abstract
The photochemical reaction is a very important type of chemical reactions. Visualizing and controlling photo-mediated reactions is a long-standing goal and challenge. In this regard, single-molecule electrical detection with label-free, real-time and in situ characteristics has unique advantages in monitoring the dynamic process of photoreactions at the single-molecule level. In this Review, we provide a valuable summary of the latest process of single-molecule photochemical reactions based on single-molecule electrical platforms. The single-molecule electrical detection platforms for monitoring photoreactions are displayed, including their fundamental principles, construction methods and practical applications. The single-molecule studies of two different types of light-mediated reactions are summarized as below: i) photo-induced reactions, including reversible cyclization, conformational isomerization and other photo-related reactions; ii) plasmon-mediated photoreactions, including reaction mechanisms and concrete examples, such as plasmon-induced photolysis of S-S/O-O bonds and tautomerization of porphycene. In addition, the prospects for future research directions and challenges in this field are also discussed. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Xin Zhu
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin, 300350, P. R. China.,Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
| | - Yanxia Xu
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin, 300350, P. R. China
| | - Cong Zhao
- Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
| | - Chuancheng Jia
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin, 300350, P. R. China
| | - Xuefeng Guo
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, Tianjin Key Laboratory of Micro-scale Optical Information Science and Technology, College of Electronic Information and Optical Engineering, Nankai University, 38 Tongyan Road, Jinnan District, Tianjin, 300350, P. R. China.,Beijing National Laboratory for Molecular Sciences, National Biomedical Imaging Center College of Chemistry and Molecular Engineering, Peking University, 292 Chengfu Road, Haidian District, Beijing, 100871, P. R. China
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11
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Haggett JG, Han GS, Moser AR, Golzwarden JVA, Vyas S, Domaille DW. Diazaborines oxidize slowly with H 2O 2 but rapidly with peroxynitrite in aqueous buffer. Org Biomol Chem 2022; 20:995-999. [PMID: 35029270 DOI: 10.1039/d1ob01668g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Reactive oxygen species (ROS) such as hydrogen peroxide (H2O2) and peroxynitrite (ONOO-) oxidize arylboronic acids to their corresponding phenols. When used in molecular imaging probes and in ROS-responsive molecules, however, simple arylboronic acids struggle to discriminate between H2O2 and ONOO- because of their fast rate of reaction with both ROS. Here, we show that diazaborines (DABs) react slowly with H2O2 but rapidly with peroxynitrite in an aqueous buffer. In addition to their slow reaction with H2O2, the immediate product of DAB oxidation with H2O2 and ONOO- can yield a kinetically trapped CN Z-isomer that slowly equilibrates with its E-isomer. Taken together, our work shows that diazaborines exhibit enhanced kinetic discrimination between H2O2 and ONOO- compared to arylboronic acids, opening up new opportunities for diazaborine-based tools in chemical biology.
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Affiliation(s)
- Jack G Haggett
- Department of Chemistry, Colorado School of Mines, Golden CO, USA.
| | - Gun Su Han
- Department of Chemistry, Colorado School of Mines, Golden CO, USA.
| | - Angela R Moser
- Department of Chemistry, Colorado School of Mines, Golden CO, USA.
| | | | - Shubham Vyas
- Department of Chemistry, Colorado School of Mines, Golden CO, USA.
| | - Dylan W Domaille
- Department of Chemistry, Colorado School of Mines, Golden CO, USA.
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12
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Mamun MSA, Sainoo Y, Takaoka T, Waizumi H, Wang Z, Alam MI, Ando A, Arafune R, Komeda T. Chemistry of the photoisomerization and thermal reset of nitro-spiropyran and merocyanine molecules on the channel of the MoS 2 field effect transistor. Phys Chem Chem Phys 2021; 23:27273-27281. [PMID: 34850795 DOI: 10.1039/d1cp04283a] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
We have explored the chemical reaction of the photoisomerization and thermal reaction of the photochromic spiropyran (SP) 1',3'-Dihydro-1',3',3' trimethyl-6-nitrospiro[2H-1 benzopyran-2,2'-(2H)-indole] molecule deposited on the atomic thin channel of a MoS2 field-effect transistor (FET) through the analysis of the FET property. With four monolayers of SP molecules on the channel, we observed a clear shift of the threshold voltage in the drain-current vs gate-voltage plot with UV-light injection on the molecule, which was due to the change of the SP molecule to merocyanine (MC). A complete reset from MC to SP molecule was achieved by thermal annealing, while the injection of green light could revert the FET property to the original condition. In the process of change from MC to SP, two types of decay rates were confirmed. The quick- and slow-decay components corresponded to the molecules attached directly to the substrate and those in the upper layer, respectively. The activation energies for the conversion of MC to SP molecules were estimated as 71 kJ/mol and 90 kJ/mol for the former and latter, respectively. Combined with DFT calculations, we concluded that the Id-Vg shift with photoisomerization from SP to MC is due to the upper layer molecules and the dipole moment in the surface normal direction. Based on the estimated activation energy of 90 kJ/mol for the reset process, we calculated the conversion rate in a controllable temperature range. From these values, we consider that the chemical state of MC can be maintained and switched in a designated time period, which demonstrates the possibility of this system in logical operation applications.
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Affiliation(s)
- Muhammad Shamim Al Mamun
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba, Aoba-Ku, Sendai 9808578, Japan.
| | - Yasuyuki Sainoo
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM, Tagen), Tohoku University, 2-1-1, Katahira, Aoba-Ku, Sendai 9800877, Japan
| | - Tsuyoshi Takaoka
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM, Tagen), Tohoku University, 2-1-1, Katahira, Aoba-Ku, Sendai 9800877, Japan
| | - Hiroki Waizumi
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba, Aoba-Ku, Sendai 9808578, Japan.
| | - Zhipeng Wang
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba, Aoba-Ku, Sendai 9808578, Japan.
| | - Md Iftekharul Alam
- Department of Chemistry, Graduate School of Science, Tohoku University, Aramaki-Aza-Aoba, Aoba-Ku, Sendai 9808578, Japan.
| | - Atsushi Ando
- National Institute of Advanced Industrial Science and Technology, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Ryuichi Arafune
- International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 304-0044, Japan
| | - Tadahiro Komeda
- Institute of Multidisciplinary Research for Advanced Materials (IMRAM, Tagen), Tohoku University, 2-1-1, Katahira, Aoba-Ku, Sendai 9800877, Japan
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13
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Shen KY, Zhang CJ, Qu LY, Jiang SQ, Zhang Y, Tong ML, Bao X. Thermodriven, Acidity-Driven, and Photodriven Spin-State Switching in Pyridylacylhydrazoneiron(II) Complexes at or above Room Temperature. Inorg Chem 2021; 60:18225-18233. [PMID: 34784709 DOI: 10.1021/acs.inorgchem.1c02866] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The magnetic bistability of spin-crossover (SCO) materials is highly appealing for applications as molecular switches and information storage. However, switching of the spin state around room temperature remains challenging. In this work, we reported the successful manipulation of the spin states of two iron(II) complexes (1-Fe and 2-Fe) based on pyridylacylhydrazone ligands in manifold ways. Both complexes are stabilized in the low-spin (LS) state at room temperature because of the strong ligand-field strength imposed by the ligands. 2-Fe shows thermoinduced SCO above room temperature with a very large and reproducible hysteresis (>50 K), while 1-Fe remains in the LS state up to 400 K. Acidity-driven spin-state switching of the two complexes was achieved at room temperature as a result of the complex dissociation and release of iron(II) in its high-spin (HS) state. Recovery of the complex is feasible upon further alkalization treatment in the case of 1-Fe, allowing bidirectional modulation of the spin state of the metal center. Light-driven one-way switching from LS to HS is also achieved by virtue of E-to-Z isomerization at the C═N double bond, which results in dissociation of the complex because of the poor binding affinity in the Z configuration.
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Affiliation(s)
- Kai Yan Shen
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Chen Ju Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Lei Yu Qu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Shi Qing Jiang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Yi Zhang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
| | - Ming Liang Tong
- School of Chemistry, Sun Yat-Sen University, Guangzhou 510275, P. R. China
| | - Xin Bao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China
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14
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Zhao Y, Gobbi M, Hueso LE, Samorì P. Molecular Approach to Engineer Two-Dimensional Devices for CMOS and beyond-CMOS Applications. Chem Rev 2021; 122:50-131. [PMID: 34816723 DOI: 10.1021/acs.chemrev.1c00497] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Two-dimensional materials (2DMs) have attracted tremendous research interest over the last two decades. Their unique optical, electronic, thermal, and mechanical properties make 2DMs key building blocks for the fabrication of novel complementary metal-oxide-semiconductor (CMOS) and beyond-CMOS devices. Major advances in device functionality and performance have been made by the covalent or noncovalent functionalization of 2DMs with molecules: while the molecular coating of metal electrodes and dielectrics allows for more efficient charge injection and transport through the 2DMs, the combination of dynamic molecular systems, capable to respond to external stimuli, with 2DMs makes it possible to generate hybrid systems possessing new properties by realizing stimuli-responsive functional devices and thereby enabling functional diversification in More-than-Moore technologies. In this review, we first introduce emerging 2DMs, various classes of (macro)molecules, and molecular switches and discuss their relevant properties. We then turn to 2DM/molecule hybrid systems and the various physical and chemical strategies used to synthesize them. Next, we discuss the use of molecules and assemblies thereof to boost the performance of 2D transistors for CMOS applications and to impart diverse functionalities in beyond-CMOS devices. Finally, we present the challenges, opportunities, and long-term perspectives in this technologically promising field.
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Affiliation(s)
- Yuda Zhao
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, F-67000 Strasbourg, France.,School of Micro-Nano Electronics, ZJU-Hangzhou Global Scientific and Technological Innovation Centre, Zhejiang University, 38 Zheda Road, 310027 Hangzhou, People's Republic of China
| | - Marco Gobbi
- Centro de Fisica de Materiales (CSIC-UPV/EHU), Paseo Manuel de Lardizabal 5, E-20018 Donostia-San Sebastián, Spain.,CIC nanoGUNE, E-20018 Donostia-San Sebastian, Basque Country, Spain.,IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Luis E Hueso
- CIC nanoGUNE, E-20018 Donostia-San Sebastian, Basque Country, Spain.,IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Paolo Samorì
- University of Strasbourg, CNRS, ISIS UMR 7006, 8 allée Gaspard Monge, F-67000 Strasbourg, France
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15
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Volarić J, Szymanski W, Simeth NA, Feringa BL. Molecular photoswitches in aqueous environments. Chem Soc Rev 2021; 50:12377-12449. [PMID: 34590636 PMCID: PMC8591629 DOI: 10.1039/d0cs00547a] [Citation(s) in RCA: 121] [Impact Index Per Article: 40.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Indexed: 12/17/2022]
Abstract
Molecular photoswitches enable dynamic control of processes with high spatiotemporal precision, using light as external stimulus, and hence are ideal tools for different research areas spanning from chemical biology to smart materials. Photoswitches are typically organic molecules that feature extended aromatic systems to make them responsive to (visible) light. However, this renders them inherently lipophilic, while water-solubility is of crucial importance to apply photoswitchable organic molecules in biological systems, like in the rapidly emerging field of photopharmacology. Several strategies for solubilizing organic molecules in water are known, but there are not yet clear rules for applying them to photoswitchable molecules. Importantly, rendering photoswitches water-soluble has a serious impact on both their photophysical and biological properties, which must be taken into consideration when designing new systems. Altogether, these aspects pose considerable challenges for successfully applying molecular photoswitches in aqueous systems, and in particular in biologically relevant media. In this review, we focus on fully water-soluble photoswitches, such as those used in biological environments, in both in vitro and in vivo studies. We discuss the design principles and prospects for water-soluble photoswitches to inspire and enable their future applications.
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Affiliation(s)
- Jana Volarić
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
| | - Wiktor Szymanski
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
- Department of Radiology, Medical Imaging Center, University of Groningen, University Medical Centre Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Nadja A Simeth
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
- Institute for Organic and Biomolecular Chemistry, University of Göttingen, Tammannstr. 2, 37077 Göttingen, Germany
| | - Ben L Feringa
- Centre for Systems Chemistry, Stratingh Institute for Chemistry, Faculty for Science and Engineering, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands.
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16
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Ahmad M, Chattopadhayay S, Mondal D, Vijayakanth T, Talukdar P. Stimuli-Responsive Anion Transport through Acylhydrazone-Based Synthetic Anionophores. Org Lett 2021; 23:7319-7324. [PMID: 34519509 DOI: 10.1021/acs.orglett.1c02249] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Photoswitchable acylhydrazone-based synthetic anionophores are reported. Single-crystal X-ray structure and 1H NMR titration studies confirmed the chloride binding in solid and solution states. The ion transport activity of 1a was greatly attenuated through a phototriggered E to Z photoisomerization process, and the photoisomerized deactivated state showed high kinetic stability due to an intramolecular hydrogen bond. Switchable "OFF-ON" transport activity was achieved by the application of light and acid-catalyzed reactivation process.
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Affiliation(s)
- Manzoor Ahmad
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
| | - Sandip Chattopadhayay
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
| | - Debashis Mondal
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
| | - Thangavel Vijayakanth
- The Shmunis School of Biomedicine and Cancer Research, George S. Wise Faculty of Life Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Pinaki Talukdar
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
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17
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Hu Y, Li J, Zhou Y, Shi J, Li G, Song H, Yang Y, Shi J, Hong W. Single Dynamic Covalent Bond Tailored Responsive Molecular Junctions. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202106666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Yong Hu
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
- Shenzhen Research Institute of Xiamen University Shenzhen 518000 China
| | - Jin Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Yu Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Jie Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Guopeng Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Hang Song
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Yang Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Jia Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
| | - Wenjing Hong
- State Key Laboratory of Physical Chemistry of Solid Surfaces College of Chemistry and Chemical Engineering Xiamen University Xiamen 361005 China
- Shenzhen Research Institute of Xiamen University Shenzhen 518000 China
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18
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Hu Y, Li J, Zhou Y, Shi J, Li G, Song H, Yang Y, Shi J, Hong W. Single Dynamic Covalent Bond Tailored Responsive Molecular Junctions. Angew Chem Int Ed Engl 2021; 60:20872-20878. [PMID: 34254414 DOI: 10.1002/anie.202106666] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/02/2021] [Indexed: 11/11/2022]
Abstract
Responsive molecular devices are one of the core units for molecular electronics, and dynamic covalent bonds (DCBs) provide the opportunity for the fabrication of responsive molecular devices. Herein we employ a single dynamic acyl hydrazone bond to fabricate tailored molecular devices using the scanning tunneling microscopy break-junction technique (STM-BJ) and the eutectic Ga-In technique (EGaIn). We found that the single-DCB-tailored molecular devices exhibited acid-base and/or photo-thermal response with three well-defined molecular conductance states. The reversible switching has the ON/OFF ratio of ≈10 between each state for single-molecule junctions and ≈3 for the SAMs-based molecular junctions. Combined with the density functional theory calculations, we revealed that the multiple conductance states of these molecular junctions originate from the dynamic acyl hydrazone bond exchange and C=N isomerization. Our work opens the avenue towards the design of tailored single-molecule electrical devices by implanting dynamic covalent bonds in molecular architectures.
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Affiliation(s)
- Yong Hu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.,Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
| | - Jin Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yu Zhou
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Jie Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Guopeng Li
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Hang Song
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Yang Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Jia Shi
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China
| | - Wenjing Hong
- State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, China.,Shenzhen Research Institute of Xiamen University, Shenzhen, 518000, China
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19
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König NF, Mutruc D, Hecht S. Accelerated Discovery of α-Cyanodiarylethene Photoswitches. J Am Chem Soc 2021; 143:9162-9168. [PMID: 34115485 DOI: 10.1021/jacs.1c03631] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Cyanodiarylethene chromophores are able to undergo constitutional exchange via dynamic covalent chemistry (DCC). During this process, the central ethylene bridge of the molecular scaffold can be broken and thereby enables the assembly of a new combination of aryl moieties around the reformed ethylene bridge. The reversible C═C double bond exchange has exemplarily been investigated using α-cyanostilbenes. Establishing a dynamic equilibrium reaction from α-cyanodiarylethene with arylacetonitriles under mild conditions has been the basis to access constitutional libraries of new photoswitches with potentially improved properties. When subject to irradiation with light of adequate wavelength, α-cyanodiarylethenes undergo Z/E isomerization followed by ring-closure. By screening the thus accessible dynamic chromophore libraries using a desired detection wavelength, we could identify specific dithienyl analogues that exhibit three-state photochromism. The combination of dynamic constitutional libraries of functional chromophores in combination with the light-guided screening and selection should lead to more rapid exploration of structural diversity dye chemistry.
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Affiliation(s)
- Niklas F König
- Department of Chemistry & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, Berlin 12489, Germany
| | - Dragos Mutruc
- Department of Chemistry & IRIS Adlershof, Humboldt-Universität zu Berlin, Brook-Taylor-Strasse 2, Berlin 12489, Germany
| | - Stefan Hecht
- DWI-Leibniz Institute for Interactive Materials & Institute of Technical and Macromolecular Chemistry, RWTH Aachen University, Forckenbeckstrasse 50, Aachen 52074, Germany
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20
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Hazarika PJ, Gupta P, Gunnam A, Allu S, Nangia AK, Nath NK. Photomechanical response of sulfonylhydrazone molecular crystals. CrystEngComm 2021. [DOI: 10.1039/d1ce00478f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Photomechanical responses of the single crystals of a series of sulfonylhydrazones are explored for the first time.
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Affiliation(s)
- Pragyan J. Hazarika
- Department of Chemistry
- National Institute of Technology
- Meghalaya 793003
- India
| | - Poonam Gupta
- Department of Chemistry
- National Institute of Technology
- Meghalaya 793003
- India
| | | | | | | | - Naba K. Nath
- Department of Chemistry
- National Institute of Technology
- Meghalaya 793003
- India
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21
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Accorsi G, Capodilupo AL, Claramunt RM, Clarkson GJ, Farrán A, Gatti FG, León S, Venturi S. Studies of novel trifluoroacetylated diaryl hydrazone molecular photoswitches in solution and in the solid state. NEW J CHEM 2021. [DOI: 10.1039/d1nj01677f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Photoisomerization of trifluoroacetylated diaryl hydrazones induces a change in color due to the formation of a new hydrogen bond in solution and in the solid state.
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Affiliation(s)
- Gianluca Accorsi
- CNR NANOTEC – Institute of Nanotechnology c/o Campus Ecotekne
- University of Salento
- 73100 Lecce
- Italy
| | - Agostina-Lina Capodilupo
- CNR NANOTEC – Institute of Nanotechnology c/o Campus Ecotekne
- University of Salento
- 73100 Lecce
- Italy
| | - Rosa María Claramunt
- Departamento de Química Orgánica y Bio-Orgánica
- Facultad de Ciencias
- Universidad Nacional de Educación a Distancia
- E-28040 Madrid
- Spain
| | | | - A. Farrán
- Departamento de Química Orgánica y Bio-Orgánica
- Facultad de Ciencias
- Universidad Nacional de Educación a Distancia
- E-28040 Madrid
- Spain
| | - Francesco G. Gatti
- Dipartimento di Chimica
- Materiali ed Ingegneria Chimica “Giulio Natta”
- Politecnico di Milano
- 20131 Milano
- Italy
| | - Salvador León
- Departamento de Ingeniería Química
- Universidad Politécnica de Madrid
- ETSIIM
- 28006 Madrid
- Spain
| | - Silvia Venturi
- Dipartimento di Chimica
- Materiali ed Ingegneria Chimica “Giulio Natta”
- Politecnico di Milano
- 20131 Milano
- Italy
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22
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Hao T, Yang Y, Liang W, Fan C, Wang X, Wu W, Chen X, Fu H, Chen H, Yang C. Trace mild acid-catalysed Z → E isomerization of norbornene-fused stilbene derivatives: intelligent chiral molecular photoswitches with controllable self-recovery. Chem Sci 2020; 12:2614-2622. [PMID: 34164029 PMCID: PMC8179340 DOI: 10.1039/d0sc05213b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Stilbene derivatives have long been known to undergo “acid-catalyzed” Z → E isomerization, where a strong mineral acid at high concentration is practically necessary. Such severe reaction conditions often cause undesired by-reactions and limit their potential application. Herein, we present a trace mild acid-catalyzed Z → E isomerization found with stilbene derivatives fused with a norbornene moiety. By-reactions, such as the migration of the C
Created by potrace 1.16, written by Peter Selinger 2001-2019
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C double bond and electrophilic addition reactions, were completely inhibited because of the ring strain caused by the fused norbornene component. Direct photolysis of the E isomers at selected wavelengths led to the E → Z photoisomerization of these stilbene derivatives and thus constituted a unique class of molecular switches orthogonally controllable by light and acid. The catalytic amount of acid could be readily removed, and the Z → E isomerization could be controlled by turning on/off the irradiation of a photoacid, which allowed repeated isomerization in a non-invasive manner. Moreover, the Z isomer produced by photoisomerization could spontaneously self-recover to the E isomer in the presence of a catalytic amount of acid. The kinetics of Z → E isomerization were adjustable by manipulating catalytic factors and, therefore, unprecedented molecular photoswitches with adjustable self-recovery were realized. Quantitative Z → E isomerization was catalyzed by trace mild acids to offer molecular switches orthogonally controllable by acid and light.![]()
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Affiliation(s)
- Taotao Hao
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Yongsheng Yang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Wenting Liang
- Institute of Environmental Science, Department of Chemistry, Shanxi University Taiyuan 030006 China
| | - Chunying Fan
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Xin Wang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Wanhua Wu
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Xiaochuan Chen
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Haiyan Fu
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Hua Chen
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
| | - Cheng Yang
- Key Laboratory of Green Chemistry & Technology, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 China
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23
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Liu Y, Peng Q, Li Y, Hou H, Li K. A simple strategy for constructing acylhydrazone photochromic system with visible color/emission change and its application in photo-patterning. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.05.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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24
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Mayorga-Burrezo P, Sporer C, de Sousa JA, Capra N, Wurst K, Crivillers N, Veciana J, Rovira C. Electrocatalytic oxidative Z/E isomerization of a stilbene favoured by the presence of an electroactive persistent radical. Chem Commun (Camb) 2020; 56:14211-14214. [PMID: 33112297 DOI: 10.1039/d0cc04973e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
A push-pull-functionalized stilbene has been prepared, with an electroactive perchlorotriphenylmethyl (PTM˙) radical and dimethylamine units as electron-withdrawing and -donating moieties, respectively, showing an electrocatalytic redox-induced Z→E isomerization where the open-shell nature of PTM˙ plays a key role in the isomerization ocurrance.
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Affiliation(s)
- Paula Mayorga-Burrezo
- Department of Molecular Nanoscience and Organic Materials, Institut de Ciència de Materials de Barcelona (ICMAB-CSIC)/CIBER-BBN, Campus Universitari de Bellaterra, E-08193, Cerdanyola, Barcelona, Spain.
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25
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Hussaini SR, Kuta A, Pal A, Wang Z, Eastman MA, Duran R. Application of NMR Spectroscopy for the Detection of Equilibrating E- Z Diastereomers. ACS OMEGA 2020; 5:24848-24853. [PMID: 33015503 PMCID: PMC7528312 DOI: 10.1021/acsomega.0c03554] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 09/02/2020] [Indexed: 06/11/2023]
Abstract
Conjugation can lower the energy barrier for unsaturated C-C bond rotations, resulting in a mixture of equilibrating diastereomers at room temperature. Therefore, methods claiming diastereoselective synthesis of conjugated double bonds often require proof that the observed diastereomeric ratio is not because of the diastereomeric equilibration of the product. Variable-temperature (VT) NMR experiments are commonly used to distinguish between the two possibilities. However, the VT technique requires accessories for the NMR spectrometer and more setup time. Here, we show that the rarely used application of 1-D and 2-D nuclear Overhauser effect spectroscopy experiments for the detection of the equilibrating diastereomers is a convenient alternative to the VT technique.
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Affiliation(s)
- Syed Raziullah Hussaini
- Department
of Chemistry and Biochemistry, The University
of Tulsa, 800 S. Tucker Drive, Tulsa, Oklahoma 74104, United
States
| | - Adama Kuta
- Department
of Chemistry and Biochemistry, The University
of Tulsa, 800 S. Tucker Drive, Tulsa, Oklahoma 74104, United
States
| | - Arpan Pal
- Department
of Chemistry and Biochemistry, The University
of Tulsa, 800 S. Tucker Drive, Tulsa, Oklahoma 74104, United
States
| | - Zhiguo Wang
- Department
of Chemistry and Biochemistry, The University
of Tulsa, 800 S. Tucker Drive, Tulsa, Oklahoma 74104, United
States
| | - Margaret A. Eastman
- Department
of Chemistry, Oklahoma State University, Stillwater, Oklahoma 74074, United States
| | - Ramon Duran
- Department
of Chemistry and Biochemistry, The University
of Tulsa, 800 S. Tucker Drive, Tulsa, Oklahoma 74104, United
States
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26
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Sun XW, Wang ZH, Li YJ, Yang HL, Gong GF, Zhang YM, Yao H, Wei TB, Lin Q. Transparency and AIE tunable supramolecular polymer hydrogel acts as TEA-HCl vapor controlled smart optical material. SOFT MATTER 2020; 16:5734-5739. [PMID: 32525181 DOI: 10.1039/d0sm00522c] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Stimuli-responsive optical materials attract lots of attention due to their broad applications. Herein, a novel smart stimuli-responsive supramolecular polymer was successfully constructed using a simple tripodal quaternary ammonium-based gelator (TH). The TH self-assembles into a supramolecular polymer hydrogel (TH-G) and shows aggregation-induced emission (AIE) properties. Interestingly, the transparency and fluorescence of the TH-G xerogel film (TH-GF) could be reversibly regulated by use of triethylamine (TEA) and hydrochloric acid (HCl) vapor. When alternately fumed with TEA and HCl vapor, the optical transmittance of the TH-GF was changed from 8.9% to 92.7%. Meanwhile, the fluorescence of the TH-G shows an "ON/OFF" switch. The reversible switching of the transparency and the fluorescence of the TH-GF is attributed to the assembly and disassembly of the supramolecular polymer TH-G. Based on these stimuli-response properties, the TH-GF could act as an optical material and shows potential applications as smart windows or fluorescent display material controlled by TEA and HCl vapor.
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Affiliation(s)
- Xiao-Wen Sun
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Zhong-Hui Wang
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Ying-Jie Li
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Hai-Long Yang
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Guan-Fei Gong
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - You-Ming Zhang
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Hong Yao
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Tai-Bao Wei
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Qi Lin
- Key Laboratory of Eco-Functional Polymer Materials of the Ministry of Education, Key Laboratory of Eco-Environmental Polymer Materials of Gansu Province, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
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27
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Guo X, Mao T, Wang Z, Cheng P, Chen Y, Ma S, Zhang Z. Fabrication of Photoresponsive Crystalline Artificial Muscles Based on PEGylated Covalent Organic Framework Membranes. ACS CENTRAL SCIENCE 2020; 6:787-794. [PMID: 32490195 PMCID: PMC7256951 DOI: 10.1021/acscentsci.0c00260] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Indexed: 05/09/2023]
Abstract
Seeking new photoresponsive materials with high energy conversion efficiency, good mechanical properties, as well as well-defined photoactuation mechanisms is of paramount significance. To address these challenges, we first introduced crystalline covalent organic frameworks (COFs) into the photoactuator field and created a facile fabrication strategy to directly install photoresponsive functional groups (i.e., acylhydrazone) on the skeletons of COFs. Herein, an approach to use polyethylene glycol (PEG) cross-linked dimers as the building blocks of the COF-42 platform was developed and afforded a series of uniform and freestanding membranes (PEG-COF-42) with outstanding mechanical properties (e.g., high flexibility and mechanical strength). Notably, these membranes possessed a fast mechanical response (e.g., bending) to UV light and good reversibility upon blue light or heating. After an in-depth investigation of the photoactuation mechanism via various techniques, we proposed a mechanism for the photoresponsive performance of PEG-COF-42: configurational change of acylhydrazone (i.e., E ↔ Z isomerization) accompanied by an excited-state intramolecular proton transfer (ESIPT) process intramolecularly transferring hydrogens from hydrogen donors (N-H) to hydrogen acceptors (oxygen in PEG). Moreover, attributed to the PEG moieties, PEG-COF-42 also demonstrated a vapor-responsive performance. This study not only broadens the application scopes of COFs but also provides new opportunities for the construction of multi-stimuli-responsive materials.
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Affiliation(s)
- Xiuxiu Guo
- State
Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Tianhui Mao
- State
Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Zhifang Wang
- State
Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Renewable
Energy Conversion and Storage Center, Nankai
University, Tianjin 300071, China
- Key
Laboratory of Advanced Energy Materials Chemistry, Ministry of Education, Nankai University, Tianjin 300071, China
| | - Peng Cheng
- State
Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Renewable
Energy Conversion and Storage Center, Nankai
University, Tianjin 300071, China
- Key
Laboratory of Advanced Energy Materials Chemistry, Ministry of Education, Nankai University, Tianjin 300071, China
| | - Yao Chen
- State
Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
| | - Shengqian Ma
- Department
of Chemistry, University of South Florida, 4202 East Fowler Avenue, Tampa, Florida 33620, United States
| | - Zhenjie Zhang
- State
Key Laboratory of Medicinal Chemical Biology, College of Chemistry, Nankai University, Tianjin 300071, China
- Renewable
Energy Conversion and Storage Center, Nankai
University, Tianjin 300071, China
- Key
Laboratory of Advanced Energy Materials Chemistry, Ministry of Education, Nankai University, Tianjin 300071, China
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28
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Yang CJ, Zhang C, Gu QS, Fang JH, Su XL, Ye L, Sun Y, Tian Y, Li ZL, Liu XY. Cu-catalysed intramolecular radical enantioconvergent tertiary β-C(sp3)–H amination of racemic ketones. Nat Catal 2020. [DOI: 10.1038/s41929-020-0460-y] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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29
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Jia C, Qi D, Zhang Y, Rissanen K, Li J. Strategies for Exploring Functions from Dynamic Combinatorial Libraries. CHEMSYSTEMSCHEM 2020. [DOI: 10.1002/syst.202000019] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Chunman Jia
- Hainan Provincial Key Lab of Fine ChemKey laboratory of Advanced Materials of Tropical Island Resources of Ministry of EducationHainan University Haikou 570228 China
| | - Dawei Qi
- MediCity Research LaboratoryUniversity of Turku Tykistökatu 6 20520 Turku Finland
| | - Yucang Zhang
- Hainan Provincial Key Lab of Fine ChemKey laboratory of Advanced Materials of Tropical Island Resources of Ministry of EducationHainan University Haikou 570228 China
| | - Kari Rissanen
- Department of ChemistryUniversity of Jyväskylä P.O. Box 35 40014 Jyväskylä Finland
| | - Jianwei Li
- Hainan Provincial Key Lab of Fine ChemKey laboratory of Advanced Materials of Tropical Island Resources of Ministry of EducationHainan University Haikou 570228 China
- MediCity Research LaboratoryUniversity of Turku Tykistökatu 6 20520 Turku Finland
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30
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Weyandt E, Ter Huurne GM, Vantomme G, Markvoort AJ, Palmans ARA, Meijer EW. Photodynamic Control of the Chain Length in Supramolecular Polymers: Switching an Intercalator into a Chain Capper. J Am Chem Soc 2020; 142:6295-6303. [PMID: 32167302 PMCID: PMC7118707 DOI: 10.1021/jacs.0c00858] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
Supramolecular systems are intrinsically
dynamic and sensitive
to changes in molecular structure and external conditions. Because
of these unique properties, strategies to control polymer length,
composition, comonomer sequence, and morphology have to be developed
for sufficient control over supramolecular copolymerizations. We designed
photoresponsive, mono acyl hydrazone functionalized benzene-1,3,5-tricarboxamide
(m-BTA) monomers that play a dual role in the coassembly
with achiral alkyl BTAs (a-BTA). In the E isomer form, the chiral m-BTA monomers intercalate
into stacks of a-BTA and dictate the chirality of the
helices. Photoisomerization to the Z isomer transforms
the intercalator into a chain capper, allowing dynamic shortening
of chain length in the supramolecular aggregates. We combine optical
spectroscopy and light-scattering experiments with theoretical modeling
to show the reversible decrease in length when switching from the E to Z isomer of m-BTA in
the copolymer with inert a-BTA. With a mass-balance thermodynamic
model, we gain additional insights into the composition of copolymers
and length distributions of the species over a broad range of concentrations
and mixing ratios of a-BTA/m-BTA. Moreover,
the model was used to predict the impact of an additive (chain capper
and intercalator) on the chain length over a range of concentrations,
showing a remarkable amplification of efficiency at high concentrations.
By employing a stimuli-responsive comonomer in a mostly inert polymer,
we can cooperatively amplify the effect of the switching and obtain
photocontrol of polymer length. Moreover, this dynamic decrease in
chain length causes a macroscopic gel-to-sol phase transformation
of the copolymer gel, although 99.4% of the organogel is inert to
the light stimulus.
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Affiliation(s)
- Elisabeth Weyandt
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Gijs M Ter Huurne
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Ghislaine Vantomme
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Albert J Markvoort
- Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.,Computational Biology Group, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - Anja R A Palmans
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - E W Meijer
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands.,Institute for Complex Molecular Systems (ICMS), Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
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31
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Nunes ED, Villela AD, Basso LA, Teixeira EH, Andrade AL, Vasconcelos MA, do Nascimento Neto LG, Gondim ACS, Diógenes ICN, Romo AIB, Nascimento OR, Zampieri D, Paulo TF, de Carvalho IMM, de França Lopes LG, Sousa EHS. Light-induced disruption of an acyl hydrazone link as a novel strategy for drug release and activation: isoniazid as a proof-of-concept case. Inorg Chem Front 2020. [DOI: 10.1039/c9qi01172b] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Photocleavage of an acyl hydrazone bridge was achieved by conjugating isoniazid to a ruthenium(ii) metal complex through the generation of singlet oxygen, which released and activated the anti-tuberculosis pro-drug isoniazid.
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32
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Gottis S, Laurent R, Collière V, Caminade AM. Straightforward synthesis of gold nanoparticles by adding water to an engineered small dendrimer. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2020; 11:1110-1118. [PMID: 32802713 PMCID: PMC7404285 DOI: 10.3762/bjnano.11.95] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 06/26/2020] [Indexed: 05/10/2023]
Abstract
A small water-soluble phosphorus-containing dendrimer was engineered for the complexation of gold(I) and for its reduction under mild conditions. Gold nanoparticles were obtained as colloidal suspensions simply and only when the powdered form of this dendrimer was dissolved in water, as shown by transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDX) analyses. The dendrimers acted simultaneously as mild reducers and as nanoreactors, favoring the self-assembly of gold atoms and promoting the growth and stabilization of isolated gold nanoparticles. Thus, an unprecedented method for the synthesis of colloidal suspensions of water-soluble gold nanoparticles was proposed in this work.
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Affiliation(s)
- Sébastien Gottis
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse Cedex 4, France
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
- Laboratoire de Réactivité et Chimie des Solides, UMR CNRS/UPJV 7314, 33 rue St Leu, 80039 Amiens cedex 1, France
| | - Régis Laurent
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse Cedex 4, France
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Vincent Collière
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse Cedex 4, France
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
| | - Anne-Marie Caminade
- Laboratoire de Chimie de Coordination du CNRS, 205 Route de Narbonne, BP 44099, 31077 Toulouse Cedex 4, France
- LCC-CNRS, Université de Toulouse, CNRS, Toulouse, France
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33
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Sheng A, Su L, Jalalah M, Al-Assiri MS, Harraz FA, Zhang J. Hydrazone chemistry assisted DNAzyme for the analysis of double targets. Chem Commun (Camb) 2019; 56:695-698. [PMID: 31848532 DOI: 10.1039/c9cc09389c] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this work, a hydrazone chemistry assisted DNAzyme has been designed and constructed. The introduction of hydrazone chemistry increases the versatility of DNAzymes. With superior catalytic capability, the hydrazone chemistry assisted DNAzyme has been successfully applied for the analysis of double targets. Taking 5-hydroxymethylfurfural (HMF) and lipopolysaccharide (LPS) as samples, the hydrazone chemistry assisted DNAzyme can be used for the detection of different combinations of targets. Moreover, because hydrazone chemistry is popular in nature, this work may also provide a new insight for the development of DNAzymes and their multifunctionality.
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Affiliation(s)
- Anzhi Sheng
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Lihong Su
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
| | - Mohammed Jalalah
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia.
| | - M S Al-Assiri
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia.
| | - Farid A Harraz
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia. and Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), P.O. 87 Helwan, Cairo 11421, Egypt
| | - Juan Zhang
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, P. R. China.
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34
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He M, Lehn JM. Time-Dependent Switching of Constitutional Dynamic Libraries and Networks from Kinetic to Thermodynamic Distributions. J Am Chem Soc 2019; 141:18560-18569. [DOI: 10.1021/jacs.9b09395] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Meixia He
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
| | - Jean-Marie Lehn
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 Allée Gaspard Monge, 67000 Strasbourg, France
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35
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Haynes IW, Wu G, Haque MA, Li H, Do TD. Conformational Preference of Macrocycles Investigated by Ion-Mobility Mass Spectrometry and Distance Geometry Modeling. Anal Chem 2019; 91:13439-13447. [DOI: 10.1021/acs.analchem.9b02100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Isaac W. Haynes
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Guangcheng Wu
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Md. Ashraful Haque
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Hao Li
- Department of Chemistry, Zhejiang University, Hangzhou 310027, China
| | - Thanh D. Do
- Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, United States
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36
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Zou H, Hai Y, Ye H, You L. Dynamic Covalent Switches and Communicating Networks for Tunable Multicolor Luminescent Systems and Vapor-Responsive Materials. J Am Chem Soc 2019; 141:16344-16353. [PMID: 31547653 DOI: 10.1021/jacs.9b07175] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Molecular switches are an intensive area of research, and in particular, the control of multistate switching is challenging. Herein we introduce a general and versatile strategy of dynamic covalent switches and communicating networks, wherein distinct states of reversible covalent systems can induce addressable fluorescence switching. The regulation of intramolecular ring/chain equilibrium, intermolecular dynamic covalent reactions (DCRs) with amines, and both permitted the activation of optical switches. The variation in electron-withdrawing competition between the fluorophore and 2-formylbenzenesulfonyl unit afforded diverse signaling patterns. The combination of switches in situ further enabled the creation of communicating networks for multistate color switching, including white emission, through the delicate control of DCRs in complex mixtures. Finally, reversible and recyclable multiresponsive luminescent materials were achieved with molecular networks on the solid support, allowing visualization of different types of vapors and quantification of primary amine vapors with high sensitivity and wide detection range. The results reported herein should be appealing for future studies of dynamic assemblies, molecular sensing, intelligent materials, and biological labeling.
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Affiliation(s)
- Hanxun Zou
- 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
| | - 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
| | - 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
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37
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Chan CM, Xing Q, Chow YC, Hung SF, Yu WY. Photoredox Decarboxylative C(sp 3)-N Coupling of α-Diazoacetates with Alkyl N-Hydroxyphthalimide Esters for Diversified Synthesis of Functionalized N-Alkyl Hydrazones. Org Lett 2019; 21:8037-8043. [PMID: 31524416 DOI: 10.1021/acs.orglett.9b03020] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Herein we report a metal-free photocatalytic coupling reaction for the synthesis of structurally and functionally diverse N-alkyl hydrazones from α-diazoacetates and N-alkyl hydroxyphthalimide esters. By employing Rose Bengal as a photocatalyst with yellow LEDs irradiation, over 60 N-alkyl hydrazones were synthesized. Fluorescence quenching analysis and deuterium incorporation experiments reveal that Hantzsch ester serves as both an electron donor and proton source for the reaction. This strategy offers a simple retrosynthetic disconnection for conventionally inaccessible C(sp3)-rich N-alkyl hydrazones.
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Affiliation(s)
- Chun-Ming Chan
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hung Hom , Kowloon , Hong Kong
| | - Qi Xing
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hung Hom , Kowloon , Hong Kong
| | - Yip-Chi Chow
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hung Hom , Kowloon , Hong Kong
| | - Sing-Fung Hung
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hung Hom , Kowloon , Hong Kong
| | - Wing-Yiu Yu
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology , The Hong Kong Polytechnic University , Hung Hom , Kowloon , Hong Kong
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38
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Abstract
Directed motion at the nanoscale is a central attribute of life, and chemically driven motor proteins are nature's choice to accomplish it. Motivated and inspired by such bionanodevices, in the past few decades chemists have developed artificial prototypes of molecular motors, namely, multicomponent synthetic species that exhibit directionally controlled, stimuli-induced movements of their parts. In this context, photonic and redox stimuli represent highly appealing modes of activation, particularly from a technological viewpoint. Here we describe the evolution of the field of photo- and redox-driven artificial molecular motors, and we provide a comprehensive review of the work published in the past 5 years. After an analysis of the general principles that govern controlled and directed movement at the molecular scale, we describe the fundamental photochemical and redox processes that can enable its realization. The main classes of light- and redox-driven molecular motors are illustrated, with a particular focus on recent designs, and a thorough description of the functions performed by these kinds of devices according to literature reports is presented. Limitations, challenges, and future perspectives of the field are critically discussed.
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Affiliation(s)
- Massimo Baroncini
- CLAN-Center for Light Activated Nanostructures , Istituto ISOF-CNR , via Gobetti 101 , 40129 Bologna , Italy.,Dipartimento di Scienze e Tecnologie Agro-alimentari , Università di Bologna , viale Fanin 44 , 40127 Bologna , Italy
| | - Serena Silvi
- CLAN-Center for Light Activated Nanostructures , Istituto ISOF-CNR , via Gobetti 101 , 40129 Bologna , Italy.,Dipartimento di Chimica "G. Ciamician" , Università di Bologna , via Selmi 2 , 40126 Bologna , Italy
| | - Alberto Credi
- CLAN-Center for Light Activated Nanostructures , Istituto ISOF-CNR , via Gobetti 101 , 40129 Bologna , Italy.,Dipartimento di Scienze e Tecnologie Agro-alimentari , Università di Bologna , viale Fanin 44 , 40127 Bologna , Italy
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39
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Brahmachari G, Karmakar I. sp
2-C-H Acetoxylation of Diversely Substituted (E
)-1-(Arylmethylene)-2-phenylhydrazines Using PhI(OAc)2
as Acetoxy Source at Ambient Conditions. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900994] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Goutam Brahmachari
- Laboratory of Natural Products & Organic Synthesis; Department of Chemistry; Visva-Bharati(a Central University); 731 235 Santiniketan- West Bengal India
| | - Indrajit Karmakar
- Laboratory of Natural Products & Organic Synthesis; Department of Chemistry; Visva-Bharati(a Central University); 731 235 Santiniketan- West Bengal India
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40
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Osypenko A, Dhers S, Lehn JM. Pattern Generation and Information Transfer through a Liquid/Liquid Interface in 3D Constitutional Dynamic Networks of Imine Ligands in Response to Metal Cation Effectors. J Am Chem Soc 2019; 141:12724-12737. [DOI: 10.1021/jacs.9b05438] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Artem Osypenko
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Sébastien Dhers
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Jean-Marie Lehn
- Laboratoire de Chimie Supramoléculaire, Institut de Science et d’Ingénierie Supramoléculaires (ISIS), Université de Strasbourg, 8 allée Gaspard Monge, 67000 Strasbourg, France
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41
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Moreno M, Gelabert R, Lluch JM. Deciphering the grounds of the suitability of acylhydrazones as efficient photoswitches. Phys Chem Chem Phys 2019; 21:16075-16082. [PMID: 31290500 DOI: 10.1039/c9cp03324f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Many efforts are currently being devoted to designing molecular photoswitches with specific properties. In this sense, a recent publication [D. J. van Dijken et al., J. Am. Chem. Soc., 2015, 137, 14982-14991] has synthesized and analyzed the photochromic properties of a large set of acylhydrazones (ACHs), a relatively unexploited class of potential photoswitches with two stable E and Z isomers. This study has revealed a very diverse and complex pattern of the absorption/emission properties of ACHs depending on the substituents attached to the ACH motif. In this work, high level theoretical calculations are performed on a representative set of the experimentally studied ACHs in order to analyze, at the molecular level, the reasons behind the different photochemistries experimentally observed. This systematic study allows for the classification of the full set of ACHs into just four categories. The two more common groups display a small, either positive or negative, shift of the maximum wavelength of absorption between the E and Z isomers. Less common, but far more interesting from a practical point of view, are the compounds that show a large (>100 nm) Stokes shift. This behavior may arise from two different situations. The most common one implies the possibility of an intramolecular proton transfer in the excited electronic state of the less stable Z isomer. The less likely scenario would also involve a loss of the azidic proton through an intermolecular proton transfer that would take place with the aid of the solvent.
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Affiliation(s)
- Miquel Moreno
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - Ricard Gelabert
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain.
| | - José M Lluch
- Departament de Química, Universitat Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain. and Institut de Biotecnologia i de Biomedicina, Universitat Autònoma de Barceloma, 08193, Bellaterra, Barcelona, Spain
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42
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Zheng H, Ni C, Chen H, Zha D, Hai Y, Ye H, You L. Regulation of Axial Chirality through Dynamic Covalent Bond Constrained Biaryls. ACS OMEGA 2019; 4:10273-10278. [PMID: 31460119 PMCID: PMC6648723 DOI: 10.1021/acsomega.9b01273] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 05/24/2019] [Indexed: 06/10/2023]
Abstract
A strategy of dynamic covalent chemistry within constrained biaryls was developed for the modulation of axial chirality. The ring fusion partners of amide and aldehyde allowed the manipulation of ring/chain equilibrium and chirality transfer within cyclic diastereomeric hemiaminal. Dynamic covalent reactions (DCRs) with alcohols, thiols, and secondary amines further enabled the reversal of chirality relay and thereby regulation of axial chirality. Moreover, a combination of NMR, X-ray, and density functional theory results shed light on the structural basis of chirality transfer, exhibiting modest to excellent diastereoselectivity under thermodynamic control. The critical role of the amide unit in the modulation of axial chirality was also corroborated. Finally, the chiroptical signal was controlled through changing solvents, DCRs, and stimuli-responsive switching of DCRs.
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Affiliation(s)
- Hao Zheng
- 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 350007, China
| | - Cailing Ni
- 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
| | - Hang Chen
- 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
| | - Daijun Zha
- State
Key Laboratory of Structural
Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Yu Hai
- State
Key Laboratory of Structural
Chemistry, Fujian Institute of Research
on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, 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
- 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
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43
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Yuan YX, Zheng YS. New Acylhydrazone Photoswitches with Quantitative Conversion and High Quantum Yield but without Hydrogen Bond Stabilizing ( Z)-Isomer. ACS APPLIED MATERIALS & INTERFACES 2019; 11:7303-7310. [PMID: 30675784 DOI: 10.1021/acsami.8b21719] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Hydrazones are recently attracting increasing interest because of their facile synthesis and high addressability, fatigue resistance, and modifiability as molecular switches. However, this new class of switches generally suffers from low conversion from E- to Z-configuration. Here, novel benzoylhydrazones were synthesized by condensation of 2-methoxynaphthaldhyde and benzoylhydrazine. In this hydrazone system, both sides of the imine double bond had large steric hindrance, so that the ( E)-isomer of the benzoylhydrazones was less stable and easily converted into the ( Z)-isomer even without an intramolecular hydrogen bond. Up to 99% conversion efficiency and 89% quantum yield were obtained, in addition to excellent addressability and high fatigue resistance. Outstandingly, the crystal structure of one ( Z)-isomer disclosed no intermolecular hydrogen bonds between the molecules of the ( Z)-isomer but strong and sequential hydrogen bonds between those of the ( E)-isomer. Therefore, the ( E)-isomer was less soluble in solvents than the ( Z)-isomer. This molecular switch system could be easily modified by both hydrophilic pentaethylene glycol chains and hydrophobic octyl chains. Under light irradiation, the resultant amphiphilic acylhydrazone could be transferred from ( E)-isomer to ( Z)-isomer in more than 90% yield even in water after light irradiation. Meanwhile, the self-assembled big nanospheres could rearrange into much smaller vesicles because of the solubility difference of ( Z)- and ( E)-isomers. After the anticancer drug procarbazine was loaded by this kind of acylhydrazone in water, it could be released by light irradiation, showing potential application in photocontrollable drug release.
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Affiliation(s)
- Ying-Xue Yuan
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
| | - Yan-Song Zheng
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, School of Chemistry and Chemical Engineering , Huazhong University of Science and Technology , Wuhan 430074 , China
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44
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Men G, Lehn JM. Multiple adaptation of constitutional dynamic networks and information storage in constitutional distributions of acylhydrazones. Chem Sci 2019; 10:90-98. [PMID: 30713621 PMCID: PMC6333171 DOI: 10.1039/c8sc03858a] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 09/25/2018] [Indexed: 01/07/2023] Open
Abstract
We report a study of the behavior of four dynamic covalent libraries (DCLs) based on acylhydrazones aAbB and of the corresponding square constitutional dynamic networks (CDNs) NA-ND under the effect of three agents, namely, metal cations, base + metal cations and light irradiation; in particular, the successful switching of the CDN NB between two orthogonal distributions results, respectively, from metallo-selection and photo-selection. The four DCLs undergo triple adaptation when subjected to the three agents with the generation of specific CDN distributions characteristic of each of the four DCLs. The ternary outputs displayed by the DCLs present three states (-1, 0 and 1) related to three different constitutional distributions expressed in response to the triple inputs applied. This latter process amounts to the storage of molecular information in dynamic distributions rather than in selective interactions between complementary entities undergoing molecular recognition.
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Affiliation(s)
- Guangwen Men
- Laboratoire de Chimie Supramoléculaire , Institut de Science et d'Ingénierie Supramoléculaires , Université de Strasbourg , 8 allée Gaspard Monge , 67000 Strasbourg , France . ; ; Tel: +33 3 68 85 51 44
- State Key Laboratory of Supramolecular Structure and Materials , Jilin University , 2699 Qianjin Avenue , Changchun , 130012 , P. R. China
| | - Jean-Marie Lehn
- Laboratoire de Chimie Supramoléculaire , Institut de Science et d'Ingénierie Supramoléculaires , Université de Strasbourg , 8 allée Gaspard Monge , 67000 Strasbourg , France . ; ; Tel: +33 3 68 85 51 44
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45
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Mravec B, Filo J, Csicsai K, Garaj V, Kemka M, Marini A, Mantero M, Bianco A, Cigáň M. Photoswitching hydrazones based on benzoylpyridine. Phys Chem Chem Phys 2019; 21:24749-24757. [DOI: 10.1039/c9cp05049c] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The photoswitching behaviour of three readily accesible benzoylpyridine hydrazones, whose photochromic properties depend on the benzoyl substituent and intermolecular interactions, was investigated.
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Affiliation(s)
- Bernard Mravec
- Institute of Chemistry
- Faculty of Natural Sciences
- Comenius University
- SK-842 15 Bratislava
- Slovakia
| | - Juraj Filo
- Institute of Chemistry
- Faculty of Natural Sciences
- Comenius University
- SK-842 15 Bratislava
- Slovakia
| | - Klaudia Csicsai
- Institute of Chemistry
- Faculty of Natural Sciences
- Comenius University
- SK-842 15 Bratislava
- Slovakia
| | - Vladimír Garaj
- Department of Pharmaceutical Chemistry
- Faculty of Pharmacy
- Comenius University
- SK-832 32 Bratislava
- Slovakia
| | - Miroslav Kemka
- Department of Pharmaceutical Chemistry
- Faculty of Pharmacy
- Comenius University
- SK-832 32 Bratislava
- Slovakia
| | - Anna Marini
- INAF-Osservatorio Astronomico di Brera
- Merate
- Italy
| | | | | | - Marek Cigáň
- Institute of Chemistry
- Faculty of Natural Sciences
- Comenius University
- SK-842 15 Bratislava
- Slovakia
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46
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Kokan Z, Chmielewski MJ. A Photoswitchable Heteroditopic Ion-Pair Receptor. J Am Chem Soc 2018; 140:16010-16014. [DOI: 10.1021/jacs.8b08689] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zoran Kokan
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warszawa, Poland
- Division of Materials Chemistry, Rud̵er Bošković Institute, Bijenička cesta 54, 10000 Zagreb, Croatia
| | - Michał J. Chmielewski
- Faculty of Chemistry, Biological and Chemical Research Centre, University of Warsaw, Żwirki i Wigury 101, 02-089 Warszawa, Poland
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47
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Cougnon FBL, Caprice K, Pupier M, Bauzá A, Frontera A. A Strategy to Synthesize Molecular Knots and Links Using the Hydrophobic Effect. J Am Chem Soc 2018; 140:12442-12450. [DOI: 10.1021/jacs.8b05220] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Fabien B. L. Cougnon
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland
| | - Kenji Caprice
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland
| | - Marion Pupier
- Department of Organic Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva 4, Switzerland
| | - Antonio Bauzá
- Department de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
| | - Antonio Frontera
- Department de Química, Universitat de les Illes Balears, Carretera de Valldemossa km 7.5, 07122 Palma de Mallorca, Baleares, Spain
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48
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Li Q, Qian H, Shao B, Hughes RP, Aprahamian I. Building Strain with Large Macrocycles and Using It To Tune the Thermal Half-Lives of Hydrazone Photochromes. J Am Chem Soc 2018; 140:11829-11835. [DOI: 10.1021/jacs.8b07612] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Quan Li
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Hai Qian
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Baihao Shao
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Russell P. Hughes
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Ivan Aprahamian
- Department of Chemistry, Dartmouth College, Hanover, New Hampshire 03755, United States
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49
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Cameron D, Eisler S. Photoswitchable double bonds: Synthetic strategies for tunability and versatility. J PHYS ORG CHEM 2018. [DOI: 10.1002/poc.3858] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- David Cameron
- Department of Chemistry; University of New Brunswick; Fredericton New Brunswick Canada
| | - Sara Eisler
- Department of Chemistry; University of New Brunswick; Fredericton New Brunswick Canada
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50
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Wang L, Li Q. Photochromism into nanosystems: towards lighting up the future nanoworld. Chem Soc Rev 2018; 47:1044-1097. [PMID: 29251304 DOI: 10.1039/c7cs00630f] [Citation(s) in RCA: 312] [Impact Index Per Article: 52.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The ability to manipulate the structure and function of promising nanosystems via energy input and external stimuli is emerging as an attractive paradigm for developing reconfigurable and programmable nanomaterials and multifunctional devices. Light stimulus manifestly represents a preferred external physical and chemical tool for in situ remote command of the functional attributes of nanomaterials and nanosystems due to its unique advantages of high spatial and temporal resolution and digital controllability. Photochromic moieties are known to undergo reversible photochemical transformations between different states with distinct properties, which have been extensively introduced into various functional nanosystems such as nanomachines, nanoparticles, nanoelectronics, supramolecular nanoassemblies, and biological nanosystems. The integration of photochromism into these nanosystems has endowed the resultant nanostructures or advanced materials with intriguing photoresponsive behaviors and more sophisticated functions. In this Review, we provide an account of the recent advancements in reversible photocontrol of the structures and functions of photochromic nanosystems and their applications. The important design concepts of such truly advanced materials are discussed, their fabrication methods are emphasized, and their applications are highlighted. The Review is concluded by briefly outlining the challenges that need to be addressed and the opportunities that can be tapped into. We hope that the review of the flourishing and vibrant topic with myriad possibilities would shine light on exploring the future nanoworld by encouraging and opening the windows to meaningful multidisciplinary cooperation of engineers from different backgrounds and scientists from the fields such as chemistry, physics, engineering, biology, nanotechnology and materials science.
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Affiliation(s)
- Ling Wang
- Liquid Crystal Institute and Chemical Physics Interdisciplinary Program, Kent State University, Kent, Ohio 44242, USA.
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