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Li R, Yang F, Zhang L, Li M, Wang G, Wang W, Xu Y, Wei W. Manipulating Host-Guest Charge Transfer of a Water-Soluble Double-Cavity Cyclophane for NIR-II Photothermal Therapy. Angew Chem Int Ed Engl 2023; 62:e202301267. [PMID: 36802335 DOI: 10.1002/anie.202301267] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 02/17/2023] [Accepted: 02/21/2023] [Indexed: 02/23/2023]
Abstract
Water-soluble small organic photothermal agents (PTAs) over NIR-II biowindow (1000-1350 nm) are highly desirable, but the rarity greatly limits their applications. Based on a water-soluble double-cavity cyclophane GBox-44+ , we report a class of host-guest charge transfer (CT) complexes as structurally uniform PTAs for NIR-II photothermal therapy. As a result of its high electron-deficiency, GBox-44+ can bind different electron-rich planar guests with a 1 : 2 host/guest stoichiometry to readily tune the CT absorption band that extends to the NIR-II region. When using a diaminofluorene guest substituted with an oligoethylene glycol chain, the host-guest system realized both good biocompatibility and enhanced photothermal conversion at 1064 nm, and was then exploited as a high-efficiency NIR-II PTA for cancer cell and bacterial ablation. This work broadens the potential applications of host-guest cyclophane systems and provides a new access to bio-friendly NIR-II photoabsorbers with well-defined structures.
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Affiliation(s)
- Ran Li
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, P. R. China
| | - Fei Yang
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, P. R. China.,Key Laboratory of Medical Molecule Science and Pharmaceutical Engineering, Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Liying Zhang
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, P. R. China
| | - Mengzhen Li
- Key Laboratory of Medical Molecule Science and Pharmaceutical Engineering, Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Guo Wang
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, P. R. China
| | - Weizhi Wang
- Key Laboratory of Medical Molecule Science and Pharmaceutical Engineering, Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Yanqing Xu
- Key Laboratory of Medical Molecule Science and Pharmaceutical Engineering, Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, P. R. China
| | - Wei Wei
- Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing, 100048, P. R. China
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Xu W, Chao J, Tang B, Li Z, Xu J, Zhang X. Improving Photocatalytic Performance through the Construction of a Supramolecular Organic Framework. Chemistry 2022; 28:e202202200. [DOI: 10.1002/chem.202202200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Weiquan Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Jin‐Yu Chao
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Department of Chemistry Fudan University Shanghai 200438 China
| | - Bohan Tang
- Key Lab of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Zhan‐Ting Li
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials Department of Chemistry Fudan University Shanghai 200438 China
| | - Jiang‐Fei Xu
- Key Lab of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Xi Zhang
- Key Lab of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
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Hou L, Jing X, Huang H, Duan C. Merging Charge Transfer into Metal-Organic Frameworks to Achieve High Reduction Potentials via Multiphoton Excitation. ACS APPLIED MATERIALS & INTERFACES 2022; 14:15307-15316. [PMID: 35344330 DOI: 10.1021/acsami.2c01595] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Utilization of multiphotons to achieve high reduction potentials is a highly demanding but still challenging task for reductive cleavage of inert bonds. Herein, we report a new charge transfer approach that simultaneously excites the electron-rich dye and the radical anionic of the electron-deficient one for photocatalytic activation of aryl chlorides with high reduction potentials (Ered ≈ -1.9 to -2.9 V). Interactions between the tetraphenylbenzene-1,4,-diamine dyes in the large pores of metal-organic frameworks and the adsorbed 9,10-dicyanoanthracene partly endows charge transfer in the ground state. The first photoexcitation led to the formation charge separation pairs containing both radical cation and anion for second photon excitation. The possibility of modifying each absorption band of the two dyes independently innovated the resultant aryl radicals applied in various useful transformations, expanding multiphoton manifolds on both the dye scopes and reaction versions. A comparison of the catalytic performance between different structural patterns of metal-organic frameworks with the same ligand demonstrated that the incorporating of the organic dyes within the pores of the frameworks was essential to form charge-transfer species and accelerate the interesting chemical conversion.
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Affiliation(s)
- Leixin Hou
- State Key Laboratory of Fine Chemicals, Zhang Dayu College of Chemistry, Dalian University of Technology, Dalian 116024, P.R. China
| | - Xu Jing
- State Key Laboratory of Fine Chemicals, Zhang Dayu College of Chemistry, Dalian University of Technology, Dalian 116024, P.R. China
| | - Huilin Huang
- State Key Laboratory of Fine Chemicals, Zhang Dayu College of Chemistry, Dalian University of Technology, Dalian 116024, P.R. China
| | - Chunying Duan
- State Key Laboratory of Fine Chemicals, Zhang Dayu College of Chemistry, Dalian University of Technology, Dalian 116024, P.R. China
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Sicignano M, Rodríguez RI, Alemán J. Recent Visible Light and Metal Free Strategies in [2+2] and [4+2] Photocycloadditions. European J Org Chem 2021; 2021:3303-3321. [PMID: 34248414 PMCID: PMC8252406 DOI: 10.1002/ejoc.202100518] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/17/2021] [Indexed: 01/17/2023]
Abstract
When aiming to synthesize molecules with elevated molecular complexity starting from relatively simple starting materials, photochemical transformations represent an open avenue to circumvent analogous multistep procedures. Specifically, light-mediated cycloadditions remain as powerful tools to generate new bonds begotten from non-very intuitive disconnections, that alternative thermal protocols would not offer. In response to the current trend in both industrial and academic research pointing towards green and sustainable processes, several strategies that meet these requirements are currently available in the literature. This Minireview summarizes [2+2] and [4+2] photocycloadditions that do not require the use of metal photocatalysts by means of alternative strategies. It is segmented according to the cycloaddition type in order to give the reader a friendly approach and we primarily focus on the most recent developments in the field carried out using visible light, a general overview of the mechanism in each case is offered as well.
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Affiliation(s)
- Marina Sicignano
- Organic Chemistry DepartmentMódulo 1Universidad Autónoma de Madrid28049MadridSpain
| | - Ricardo I. Rodríguez
- Organic Chemistry DepartmentMódulo 1Universidad Autónoma de Madrid28049MadridSpain
| | - José Alemán
- Organic Chemistry DepartmentMódulo 1Universidad Autónoma de Madrid28049MadridSpain
- Institute for Advanced Research in Chemical Sciences (IAdChem)Universidad Autónoma de Madrid28049MadridSpain
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Tang B, Xu W, Xu JF, Zhang X. Transforming a Fluorochrome to an Efficient Photocatalyst for Oxidative Hydroxylation: A Supramolecular Dimerization Strategy Based on Host-Enhanced Charge Transfer. Angew Chem Int Ed Engl 2021; 60:9384-9388. [PMID: 33587309 DOI: 10.1002/anie.202100185] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/08/2021] [Indexed: 12/17/2022]
Abstract
The development of non-covalent synthetic strategy to fabricate efficient photocatalysts is of great importance in theranostic and organic materials. Herein, a fluorochrome N,N'-dimethyl 2,5-bis(4-pyridinium)thiazolo[5,4-d]thiazolediiodide (MPT) was transformed into an efficient photocatalyst through supramolecular dimerization in the cavity of cucurbit[8]uril (CB[8]). The host-enhanced charge transfer interaction within the supramolecular dimer 2MPT-CB[8] dramatically promoted intersystem crossing to produce triplet. In addition, the staggered conformation of 2MPT-CB[8] facilitated the energy transfer and electron transfer of the triplet. As a result, 2MPT-CB[8] could serve as a high-efficiency photocatalyst for the oxidative hydroxylation of arylboronic acids. This supramolecular dimerization strategy enriches the supramolecular engineering of functional π-systems. It is anticipated that this strategy can be extended to fabricate various π-systems with tailor-made functions.
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Affiliation(s)
- Bohan Tang
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Weiquan Xu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Jiang-Fei Xu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
| | - Xi Zhang
- Key Laboratory of Organic Optoelectronics & Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, China
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Tang B, Xu W, Xu J, Zhang X. Transforming a Fluorochrome to an Efficient Photocatalyst for Oxidative Hydroxylation: A Supramolecular Dimerization Strategy Based on Host‐Enhanced Charge Transfer. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202100185] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Bohan Tang
- Key Laboratory of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Weiquan Xu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Jiang‐Fei Xu
- Key Laboratory of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
| | - Xi Zhang
- Key Laboratory of Organic Optoelectronics & Molecular Engineering Department of Chemistry Tsinghua University Beijing 100084 China
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Regeni I, Chen B, Frank M, Baksi A, Holstein JJ, Clever GH. Coal-Tar Dye-based Coordination Cages and Helicates. Angew Chem Int Ed Engl 2021; 60:5673-5678. [PMID: 33245206 PMCID: PMC7986857 DOI: 10.1002/anie.202015246] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Indexed: 02/07/2023]
Abstract
A strategy to implement four members of the classic coal-tar dye family, Michler's ketone, methylene blue, rhodamine B, and crystal violet, into [Pd2 L4 ] self-assemblies is introduced. Chromophores were incorporated into bis-monodentate ligands using piperazine linkers that allow to retain the auxochromic dialkyl amine functionalities required for intense colors deep in the visible spectrum. Upon palladium coordination, ligands with pyridine donors form lantern-shaped dinuclear cages while quinoline donors lead to strongly twisted [Pd2 L4 ] helicates in solution. In one case, single crystal X-ray diffraction revealed rearrangement to a [Pd3 L6 ] ring structure in the solid state. For nine examined derivatives, showing colors from yellow to deep violet, CD spectroscopy discloses different degrees of chiral induction by an enantiomerically pure guest. Ion mobility mass spectrometry allows to distinguish two binding modes. Self-assemblies based on this new ligand class promise application in chiroptical recognition, photo-redox catalysis and optical materials.
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Affiliation(s)
- Irene Regeni
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 644227DortmundGermany
| | - Bin Chen
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 644227DortmundGermany
- Current Address: State Key Laboratory of Radiation Medicine and ProtectionSchool for Radiological and Interdisciplinary Sciences (RAD-X)Soochow UniversitySuzhou215123China
| | - Marina Frank
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 644227DortmundGermany
| | - Ananya Baksi
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 644227DortmundGermany
| | - Julian J. Holstein
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 644227DortmundGermany
| | - Guido H. Clever
- Faculty of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Strasse 644227DortmundGermany
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Regeni I, Chen B, Frank M, Baksi A, Holstein JJ, Clever GH. Teerfarben‐basierte Koordinationskäfige und ‐helikate. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202015246] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Irene Regeni
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
| | - Bin Chen
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
- Derzeitige Adresse: State Key Laboratory of Radiation Medicine and Protection School for Radiological and Interdisciplinary Sciences (RAD-X) Soochow University Suzhou 215123 China
| | - Marina Frank
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
| | - Ananya Baksi
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
| | - Julian J. Holstein
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
| | - Guido H. Clever
- Fakultät für Chemie und Chemische Biologie Technische Universität Dortmund Otto-Hahn-Straße 6 44227 Dortmund Deutschland
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