1
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Ludwig P, Mayer J, Ahrens L, Rominger F, Ligorio G, Hermerschmidt F, List-Kratochvil EJW, Freudenberg J, Bunz UHF. Doubly Bridged Anthracenes: Blue Emitters for OLEDs. Chemistry 2024; 30:e202303037. [PMID: 37916673 DOI: 10.1002/chem.202303037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/27/2023] [Accepted: 10/31/2023] [Indexed: 11/03/2023]
Abstract
The photooxidative stability of a series of doubly bridged anthracenes was evaluated after their preparation via twofold macrocyclization of a bis(resorcinyl)anthracene. Lightfastness correlates with the energy levels of the highest occupied molecular orbital (HOMO), resulting in superior stability of the tetraesters compared to the tetraethers. The lengths and steric demand of the linker only plays a minor role for the ester-based compounds, which can be prepared in reasonable yields and thus tested in proof-of-concept organic light-emitting diodes. Double ester-bridging allows deep blue electro-luminescence, highlighting the importance of the choice of the functional groups used for macrocyclization.
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Affiliation(s)
- Philipp Ludwig
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Jacob Mayer
- Institut für Physik, Institut für Chemie, IRIS-Adlershof, Humboldt-Universität zu Berlin, Zum Großen Windkanal 2, 12489, Berlin, Germany
| | - Lukas Ahrens
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Frank Rominger
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Giovanni Ligorio
- Institut für Physik, Institut für Chemie, IRIS-Adlershof, Humboldt-Universität zu Berlin, Zum Großen Windkanal 2, 12489, Berlin, Germany
| | - Felix Hermerschmidt
- Institut für Physik, Institut für Chemie, IRIS-Adlershof, Humboldt-Universität zu Berlin, Zum Großen Windkanal 2, 12489, Berlin, Germany
| | - Emil J W List-Kratochvil
- Institut für Physik, Institut für Chemie, IRIS-Adlershof, Humboldt-Universität zu Berlin, Zum Großen Windkanal 2, 12489, Berlin, Germany
- Helmholtz Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz 1, 14109, Berlin, Germany
| | - Jan Freudenberg
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
| | - Uwe H F Bunz
- Organisch-Chemisches Institut, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 270, 69120, Heidelberg, Germany
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2
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Kannen F, Adachi T, Nishimura M, Yoza K, Kusukawa T. Mechanofluorochromic Properties of 1,4-Diphenylanthracene Derivatives with Hypsochromic Shift. Molecules 2024; 29:407. [PMID: 38257320 PMCID: PMC10820785 DOI: 10.3390/molecules29020407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2023] [Revised: 01/06/2024] [Accepted: 01/09/2024] [Indexed: 01/24/2024] Open
Abstract
Several types of 1,4-diphenylanthracene derivatives 1-4 were prepared, and their photophysical properties were observed in the solid and solution states. Interestingly, the CN-group-substituted 1,4-diphenylanthracene derivative 2 was found to exhibit a higher fluorescence quantum yield (ϕf = 0.71) in the solid state than in the solution state, probably due to the formation of an intermolecular Ar-CN⋯H-Ar hydrogen bond and antiparallel type locked packing structure in the solid state. Furthermore, for some derivatives, an increase in the fluorescence quantum yield was observed in the PMMA film (1 wt%) over both the solid state and the solution state. More interestingly, some of the 1,4-diphenylanthracene derivatives exhibited unusual mechanofluorochromic properties with a "hypsochromic shift" in luminous color depending on the substituents of the phenyl group, and with the derivatives having CF3, OMe, CN, and two F substituents (1d-1f, 2-4) showing a significant luminous color change with a "hypsochromic shift" after grinding. However, no change in the luminous color was observed for the derivatives having H, Me, and one F substituent (1a-1c), and especially for some of the CN-substituted derivatives, a reversible luminous color change with a "hypsochromic shift" was observed, probably due to the formation of an antiparallel type packing structure. These "hypsochromic" anthracene derivatives could probably be utilized as new mechanofluorochromic materials.
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Affiliation(s)
- Fumihiro Kannen
- Faculty of Molecular Chemistry and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Tadatoshi Adachi
- Faculty of Molecular Chemistry and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Manato Nishimura
- Faculty of Molecular Chemistry and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
| | - Kenji Yoza
- Bruker Japan K.K., 3-9 Moriya-cho, Kanagawa-ku, Yokohama 221-0022, Japan
| | - Takahiro Kusukawa
- Faculty of Molecular Chemistry and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan
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3
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Wu MX, Li Y, Liu P, Shi X, Kang H, Zhao XL, Xu L, Li X, Fang J, Fang Z, Cheng Y, Yu H, Shi X, Yang HB. Functionalization of Pentacene: A Facile and Versatile Approach to Contorted Polycyclic Aromatic Hydrocarbons. Angew Chem Int Ed Engl 2023; 62:e202309619. [PMID: 37610742 DOI: 10.1002/anie.202309619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/23/2023] [Accepted: 08/23/2023] [Indexed: 08/24/2023]
Abstract
In this work, a facile and versatile strategy for the synthesis of contorted polycyclic aromatic hydrocarbons (PAHs) starting from the functionalized pentacene was established. A series of novel PAHs 1-4 and their derivatives were synthesized through a simple two-step synthesis procedure involving an intramolecular reductive Friedel-Crafts cyclization of four newly synthesized pentacene aldehydes 5-8 as a key step. All the molecules were confirmed by single-crystal X-ray diffraction and their photophysical and electrochemical properties were studied in detail. Interestingly, the most striking feature of 1-4 is their highly contorted carbon structures and the accompanying helical chirality. In particular, the optical resolution of 2 was successfully achieved by chiral-phase HPLC, and the enantiomers were characterized by circular dichroism and circularly polarized luminescence spectroscopy. Despite the highly nonplanar conformations, these contorted PAHs exhibited emissive properties with moderate-to-good fluorescence quantum yields, implying the potential utility of this series PAHs as high-quality organic laser dyes. By using a self-assembly method with the help of epoxy resin, a bottle microlaser based on 3 a was successfully illustrated with a lasing wavelength of 567.8 nm at a threshold of 0.3 mJ/cm2 . We believe that this work will shed light on the chemical versatility of pentacene and its derivatives in the construction of novel functionalized PAHs.
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Affiliation(s)
- Meng-Xiang Wu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Yantong Li
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510640, China
| | - Peipei Liu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Xusheng Shi
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510640, China
| | - Hao Kang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Xiao-Li Zhao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Lin Xu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Xiaodong Li
- School of Physics and Electronic Science, Engineering Research Center of Nanophotonics & Advanced Instrument, Ministry of Education, East China Normal University, Shanghai, 200241, P. R. China
| | - Junfeng Fang
- School of Physics and Electronic Science, Engineering Research Center of Nanophotonics & Advanced Instrument, Ministry of Education, East China Normal University, Shanghai, 200241, P. R. China
| | - Zhiwei Fang
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, P. R. China
| | - Ya Cheng
- State Key Laboratory of Precision Spectroscopy, School of Physics and Electronic Science, East China Normal University, Shanghai, 200241, P. R. China
| | - Huakang Yu
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510640, China
| | - Xueliang Shi
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
| | - Hai-Bo Yang
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes, School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200062, P. R. China
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4
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Kou Y, Li G, Han Y, Li M, Wang T, Qu Z, Chen Y. Angularly fused diaza-dinaphthopyrenes: regio-selective synthesis, crystal structures and isomer-dependent mechanochromic fluorescent properties. Chem Sci 2023; 14:668-674. [PMID: 36741508 PMCID: PMC9848161 DOI: 10.1039/d2sc05608a] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Accepted: 11/28/2022] [Indexed: 12/04/2022] Open
Abstract
We report a one-pot synthesis of a series of unprecedented angular-fused diaza-dinaphthopyrene isomers (1,8-DNPy and 1,6-DNPy) in high yields, which are enabled by regio-selective Bischler-Napieralski cyclization to fuse two quinolone rings either on the same or opposite faces of a pyrene core. Benefiting from the high reactivity of the 1- and 8-positions of the pyrene ring, steric effect from substitution and remarkably different dipole moments, high ring closure selectivity for the 1,8-form vs. the 1,6-form up to 6 : 1 is achieved with ease of separation. With differentiated molecular symmetry, conformation, intermolecular interactions and aromaticity, the two kinds of regio-isomers exhibit distinct single-crystal structures and optoelectronic properties. Impressively, isomer-dependent mechanochromic fluorescent properties of these 2D-azaacenes are identified, which are unique in their turn-on fluorescence feature and contrasting spectral shifts. These findings allow facile and modular access to regio-specific 2D-N-heteroarenes, which provide a way to create innovative optical sensors with improved sensitivity and fruitful fluorescent properties.
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Affiliation(s)
- Yan Kou
- Department of Chemistry, Tianjin UniversityTianjin 300354P. R. China
| | - Guangwu Li
- Center of Single-Molecule Sciences, Institute of Modern Optics, Frontiers Science Center for New Organic Matter, College of Electronic Information and Optical Engineering, Nankai UniversityJinnan DistrictTianjin 300350P. R. China
| | - Yi Han
- Department of Chemistry, Tianjin UniversityTianjin 300354P. R. China
| | - Mengwei Li
- Department of Chemistry, Tianjin UniversityTianjin 300354P. R. China
| | - Tingting Wang
- Department of Chemistry, Tianjin UniversityTianjin 300354P. R. China
| | - Zhiyu Qu
- College of Chemistry and Molecular Engineering, Peking UniversityBeijing 100871P. R. China
| | - Yulan Chen
- Department of Chemistry, Tianjin UniversityTianjin 300354P. R. China,State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin UniversityChangchun 130012P. R. China
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5
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Hino Y, Matsuo T, Hayashi S. Structural Phase Transitions in Anthracene Crystals. Chempluschem 2022; 87:e202200157. [PMID: 35762685 DOI: 10.1002/cplu.202200157] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Revised: 06/03/2022] [Indexed: 01/03/2023]
Abstract
Anthracene (C14 H10 ) and its derivatives, π-conjugated molecules in acenes, have been widely researched in terms of their reactions, physical properties, and self-assembly (or crystal engineering). These molecules can be functionalized to tune reactivities, optoelectronic properties, and self-assembling abilities. Structural changes in the molecular assemblies, solid states, and crystals have recently been discovered. Therefore, a systematic discussion of anthracene's molecular structure, packing, and optical properties based on its intermolecular structure and phase transitions is important for future chemical and structural design. In the present review, we discuss anthracene's molecular design, dimer packing, and crystal structure, focusing on the structural phase transitions of its crystals. We also provide examples of the phase transitions of anthracene crystals. Changes to edge-to-face of CH-π interaction and face-to-face packing of π-π interaction affect the thermodynamic stabilities of various crystal structures. These structures can inform the prediction of structural and physical properties.
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Affiliation(s)
- Yuto Hino
- School of Environmental Science and Engineering, Kochi University of Technology, 185 Tosayamada Miyanokuchi, Kami, Kochi, 782-8502, Japan
| | - Takumi Matsuo
- School of Environmental Science and Engineering, Kochi University of Technology, 185 Tosayamada Miyanokuchi, Kami, Kochi, 782-8502, Japan
| | - Shotaro Hayashi
- School of Environmental Science and Engineering, Kochi University of Technology, 185 Tosayamada Miyanokuchi, Kami, Kochi, 782-8502, Japan
- Research Center for Molecular Design, Kochi University of Technology, 185 Tosayamada Miyanokuchi, Kami, Kochi, 782-8502, Japan
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6
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Onaka Y, Tanaka S, Kobayashi A, Matsuno T, Isobe H. A large-bore chiral cylindrical molecule prone to radial deformations. Tetrahedron Lett 2022. [DOI: 10.1016/j.tetlet.2022.153774] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Nishida JI, Matsuno K, Kawase T. Synthesis and photophysical and electrochemical study of 1,3,6,8‐tetraarylsubstituted X‐shaped phenanthrene derivatives. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202100789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Jun-ichi Nishida
- University of Hyogo Department of Materials Science and Chemistry 2167 Shosha 671-2280 Himeji JAPAN
| | - Kouhei Matsuno
- University of Hyogo: Hyogo Kenritsu Daigaku Department of Applied Chemistry JAPAN
| | - Takeshi Kawase
- University of Hyogo: Hyogo Kenritsu Daigaku Department of Applied Chemistry 2167 Shosha 671-2280 Himeji JAPAN
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8
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Feofanov M, Akhmetov V, Amsharov K. Domino Dehydrative π-Extension: A Facile Path to Extended Perylenes and Terrylenes. Chemistry 2021; 27:17322-17325. [PMID: 34553791 PMCID: PMC9299636 DOI: 10.1002/chem.202103098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Indexed: 11/29/2022]
Abstract
Herein, we report a new method for synthesis of extended perylenes and terrylenes. The technique is based on the cascade dehydrative π‐extensions (DPEX) of aryl aldehydes, in which stepwise annulations activate previously “dormant” substituents. Two‐ and fourfold cyclizations of 3‐aryl‐biphenyl‐2,2′‐dicarbaldehydes offer a rapid path to unsymmetrical perylenes and elusive terrylene derivatives, respectively. DPEX of 3,3′′‐(phenanthrene‐1,8‐diyl)bis (([1,1′‐biphenyl]‐2,2′‐dicarbaldehyde)) leads to the biradical structure, which proceeds in situ into oxidative electrocyclization at room temperature. The described domino process complements and expands DPEX approach to a large family of fused acenes and related PAHs.
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Affiliation(s)
- Mikhail Feofanov
- Department of Chemistry and Pharmacy, Organic Chemistry II, Nikolaus-Fiebiger Str. 10, 91058, Erlangen, Germany.,Institute of Chemistry, Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120, Halle (Saale), Germany
| | - Vladimir Akhmetov
- Institute of Chemistry, Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120, Halle (Saale), Germany
| | - Konstantin Amsharov
- Department of Chemistry and Pharmacy, Organic Chemistry II, Nikolaus-Fiebiger Str. 10, 91058, Erlangen, Germany.,Institute of Chemistry, Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, 06120, Halle (Saale), Germany
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9
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Feofanov M, Lungerich D, Akhmetov V, Amsharov K. Synthesis of Dumbbell‐Like DBATT Dimers**. ChemistrySelect 2021. [DOI: 10.1002/slct.202103363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Mikhail Feofanov
- Friedrich-Alexander University Erlangen-Nuernberg Department of Chemistry and Pharmacy, Organic Chemistry II Nikolaus-Fiebiger Str. 10 91058 Erlangen Germany
- Institute of Chemistry Organic Chemistry Martin-Luther-University Halle-Wittenberg Kurt-Mothes-Strasse 2 D-06120 Halle Germany
| | - Dominik Lungerich
- Friedrich-Alexander University Erlangen-Nuernberg Department of Chemistry and Pharmacy, Organic Chemistry II Nikolaus-Fiebiger Str. 10 91058 Erlangen Germany
- Center for Nanomedicine Institute for Basic Science (IBS) and Graduate Program of Nano Biomedical Engineering Advanced Science Institute Yonsei University Seoul 03722, Republic of Korea
| | - Vladimir Akhmetov
- Institute of Chemistry Organic Chemistry Martin-Luther-University Halle-Wittenberg Kurt-Mothes-Strasse 2 D-06120 Halle Germany
| | - Konstantin Amsharov
- Friedrich-Alexander University Erlangen-Nuernberg Department of Chemistry and Pharmacy, Organic Chemistry II Nikolaus-Fiebiger Str. 10 91058 Erlangen Germany
- Institute of Chemistry Organic Chemistry Martin-Luther-University Halle-Wittenberg Kurt-Mothes-Strasse 2 D-06120 Halle Germany
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10
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Xu Q, Wang C, Zheng D, He J, Wang Y, Chen X, Jiang H. A Distorted Hybrid Corannulene-Dibenzobistetracene. J Org Chem 2021; 86:13990-13996. [PMID: 33729788 DOI: 10.1021/acs.joc.0c03065] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We have designed and synthesized a new type of distorted nanographene by Diels-Alder and Scholl reactions that contains one dibenzobistetracene (DBT, 1) core and two end-capping corannulene units. Single-crystal X-ray diffraction analyses demonstrate that nanographene 1 contains two [5] helicene subunits with a dihedral angle of 62°, consequently leading to the distorted DBT core. In addition, the photophysical properties and (non)aromaticity of 1 were investigated by the absorption and emission spectra in combination with theoretical calculations.
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Affiliation(s)
- Qi Xu
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
| | - Chu Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
| | - Dan Zheng
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
| | - Jing He
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
| | - Ying Wang
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
| | - Xuebo Chen
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
| | - Hua Jiang
- College of Chemistry, Beijing Normal University, Beijing 100875, P.R. China
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11
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Jančařík A, Mildner D, Nagata Y, Banasiewicz M, Olas J, Kozankiewicz B, Holec J, Gourdon A. Synthesis and Absorption Properties of Long Acenoacenes. Chemistry 2021; 27:12388-12394. [PMID: 34101270 DOI: 10.1002/chem.202101577] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Indexed: 11/12/2022]
Abstract
Acenes, polyaromatic hydrocarbons composed of linearly fused benzene rings have received immense attention due to their performance as semiconductors in organic optoelectronic applications. Their appealing physicochemical properties, such as extended delocalization, high charge carrier mobilities, narrow HOMO-LOMO gaps and partially radical character in the ground state make them very attractive targets for many potential applications. However, the intrinsic synthetic challenges of unsubstituted members such as high reactivity and poor solubility are still limiting factors for their wider exploitation. Herein, we report a simple general synthesis of a new family of angularly fused acenoacenes with improved stability compared to their isoelectronic linear counterparts. The synthesis and comprehensive characterization of pentacenopentacene, pentacenohexacene and hexacenohexacene, with lengths between decacene and dodecacene, are disclosed.
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Affiliation(s)
- Andrej Jančařík
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France.,Institute of Organic Chemistry and Biochemistry, Czech Academy of Science, IOCB CAS Flemingovo nám. 542, 160 00, Praha 6, Czech Republic
| | - Daniel Mildner
- Institute of Organic Chemistry and Biochemistry, Czech Academy of Science, IOCB CAS Flemingovo nám. 542, 160 00, Praha 6, Czech Republic
| | - Yuuya Nagata
- Japan Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Hokkaido, 001-0021, Japan
| | - Marzena Banasiewicz
- Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland
| | - Joanna Olas
- Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland
| | - Boleslaw Kozankiewicz
- Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668, Warsaw, Poland
| | - Jan Holec
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France
| | - André Gourdon
- Centre d'Elaboration de Matériaux et d'Etudes Structurales, CEMES-CNRS, 29 rue Jeanne Marvig, 31055, Toulouse, France
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12
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Minkin VI, Starikov AG, Starikova AA. Acene-Linked Zethrenes and Bisphenalenyls: A DFT Search for Organic Tetraradicals. J Phys Chem A 2021; 125:6562-6570. [PMID: 34310142 DOI: 10.1021/acs.jpca.1c02794] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Polycyclic aromatic hydrocarbons are of special interest due to their promising nonlinear optical and magnetic properties. A series of acene-linked zethrenes and bisphenalenyls comprising from five to nine benzene rings in the linker group have been computationally studied by the DFT UB3LYP/6-311++G(d,p) quantum-chemical modeling of their electronic structure, possible spin states, and exchange interactions. The zethrenes with octacene and nonacene linkers as well as bisphenalenyls comprising heptacene, octacene, and nonacene linker groups have been revealed to possess tetraradicaloid nature, which makes them promising building blocks for organic optoelectronic and spintronic devices. The results obtained open a way of constructing tetraradicaloid organic molecules characterized by the presence of two types of paramagnetic centers.
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Affiliation(s)
- Vladimir I Minkin
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russian Federation
| | - Andrey G Starikov
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russian Federation
| | - Alyona A Starikova
- Institute of Physical and Organic Chemistry, Southern Federal University, 344090 Rostov-on-Don, Russian Federation
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13
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Feofanov M, Akhmetov V, Sharapa DI, Amsharov K. Oxidative Electrocyclization of Diradicaloids: C-C Bonds for Free or How to Use Biradical Character for π-Extension. Org Lett 2020; 22:5741-5745. [PMID: 32551704 DOI: 10.1021/acs.orglett.0c01717] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Herein, we show that biradical character and appropriate distribution of spin density can be used for synthetic purposes. We demonstrate the rational domino annulation that includes dehydrative π-extension (DPEX) as the initiation step and subsequent oxidative electrocyclizations (EC) promoted by favorable localization of the unpaired electrons enabling up to four C-C bonds formed during the reaction. Contradicting to the Woodward-Hoffmann rules, the reaction proceeds at room temperature, whereas termination occurs when biradical character vanishes.
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Affiliation(s)
- Mikhail Feofanov
- Institute of Chemistry, Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, D-06120 Halle, Germany.,Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander University Erlangen-Nuernberg, Nikolaus-Fiebiger Str. 10, 91058 Erlangen, Germany
| | - Vladimir Akhmetov
- Institute of Chemistry, Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, D-06120 Halle, Germany.,Department of Chemistry and Pharmacy, Organic Chemistry II, Friedrich-Alexander University Erlangen-Nuernberg, Nikolaus-Fiebiger Str. 10, 91058 Erlangen, Germany
| | - Dmitry I Sharapa
- Institut für Katalyseforschung und -technologie, Karlsruhe Institute of Technology, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Konstantin Amsharov
- Institute of Chemistry, Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Strasse 2, D-06120 Halle, Germany.,South Ural State University, pr. Lenina 76, 454080 Chelyabinsk, Russia
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14
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Chen W, Yu F, Xu Q, Zhou G, Zhang Q. Recent Progress in High Linearly Fused Polycyclic Conjugated Hydrocarbons (PCHs, n > 6) with Well-Defined Structures. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 7:1903766. [PMID: 32596114 PMCID: PMC7312318 DOI: 10.1002/advs.201903766] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Revised: 03/17/2020] [Indexed: 05/05/2023]
Abstract
Although polycyclic conjugated hydrocarbons (PCHs) and their analogues have gained great progress in the fields of organic photoelectronic materials, the in-depth study on present PCHs is still limited to hexacene or below because longer PCHs are insoluble, unstable, and tediously synthesized. Very recently, various strategies including on-surface synthesis are developed to address these issues and many higher novel PCHs are constructed. Therefore, it is necessary to review these advances. Here, the recent synthetic approach, basic physicochemical properties, single-crystal packing behaviors, and potential applications of the linearly fused PCHs (higher than hexacene), including acenes or π-extended acenes with fused six-membered benzenoid rings and other four-membered, five-membered or even seven-membered and eight-membered fused compounds, are summarized.
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Affiliation(s)
- Wangqiao Chen
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper DisplaysNational Center for International Research on Green OptoelectronicsSouth China Academy of Advanced OptoelectronicsSouth China Normal UniversityGuangzhou510006P. R. China
- School of Materials Science and EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - Fei Yu
- School of Materials Science and EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
| | - Qun Xu
- College of Materials Science and EngineeringZhengzhou UniversityZhengzhou450001P. R. China
| | - Guofu Zhou
- Guangdong Provincial Key Laboratory of Optical Information Materials and Technology and Institute of Electronic Paper DisplaysNational Center for International Research on Green OptoelectronicsSouth China Academy of Advanced OptoelectronicsSouth China Normal UniversityGuangzhou510006P. R. China
| | - Qichun Zhang
- School of Materials Science and EngineeringNanyang Technological University50 Nanyang AvenueSingapore639798Singapore
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