51
|
Lee S, Lee Y, Kim K, Heo S, Jeong DY, Kim S, Cho J, Kim C, You Y. Twist to Boost: Circumventing Quantum Yield and Dissymmetry Factor Trade-Off in Circularly Polarized Luminescence. Inorg Chem 2021; 60:7738-7752. [PMID: 33760606 DOI: 10.1021/acs.inorgchem.1c00070] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Circularly polarized luminescence (CPL) enables promising applications in asymmetric photonics. However, the performances of CPL molecules do not yet meet the requirements of these applications. The shortcoming originates from the trade-off in CPL between the photoluminescence quantum yield (PLQY) and the photoluminescence dissymmetry factor (gPL). In this study, we developed a molecular strategy to circumvent this trade-off. Our approach takes advantage of the strong propensity of [Pt(N^C^N)Cl], where the N^C^N ligand is 1-(2-oxazoline)-3-(2-pyridyl)phenylate, to form face-to-face stacks. We introduced chiral substituents, including (S)-methyl, (R)- and (S)-isopropyl, and (S)-indanyl groups, into the ligand framework. This asymmetric control induces torsional displacements that give homohelical stacks of the Pt(II) complexes. X-ray single-crystal structure analyses for the (S)-isopropyl Pt(II) complex reveal the formation of a homohelical dimer with a Pt···Pt distance of 3.48 Å, which is less than the sum of the van der Waals radii of Pt. This helical stack elicits the metal-metal-to-ligand charge-transfer (MMLCT) transition that exhibits strong chiroptical activity due to the electric transition moment making an acute angle to the magnetic transition moment. The PLQY and gPL values of the MMLCT phosphorescence emission of the (S)-isopropyl Pt(II) complex are 0.49 and 8.4 × 10-4, which are improved by factors of ca. 6 and 4, respectively, relative to the values of the unimolecular emission (PLQY, 0.078; gPL, 2.4 × 10-4). Our photophysical measurements for the systematically controlled Pt(II) complexes reveal that the CPL amplifications depend on the chiral substituent. Our investigations also indicate that excimers are not responsible for the enhanced chiroptical activity. To demonstrate the effectiveness of our approach, organic electroluminescence devices were fabricated. The MMLCT emission devices were found to exhibit simultaneous enhancements in the external quantum efficiency (EQE, 9.7%) and the electroluminescence dissymmetry factor (gEL, 1.2 × 10-4) over the unimolecular emission devices (EQE, 5.8%; gEL, 0.3 × 10-4). These results demonstrate the usefulness of using the chiroptically active MMLCT emission for achieving an amplified CPL.
Collapse
Affiliation(s)
- Sumin Lee
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Yongmoon Lee
- Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Kyungmin Kim
- Department of Emerging Materials Science, DGIST, Daegu 42988, Republic of Korea
| | - Seunga Heo
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Dong Yeun Jeong
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Sangsub Kim
- Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaeheung Cho
- Department of Emerging Materials Science, DGIST, Daegu 42988, Republic of Korea.,Department of Chemistry, UNIST, Ulsan 44919, Republic of Korea
| | - Changsoon Kim
- Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University, Seoul 08826, Republic of Korea
| | - Youngmin You
- Division of Chemical Engineering and Materials Science, and Graduate Program in System Health Science and Engineering, Ewha Womans University, Seoul 03760, Republic of Korea
| |
Collapse
|
52
|
Macé A, Hamrouni K, Gauthier ES, Jean M, Vanthuyne N, Frédéric L, Pieters G, Caytan E, Roisnel T, Aloui F, Srebro-Hooper M, Carboni B, Berrée F, Crassous J. Circularly Polarized Fluorescent Helicene-Boranils: Synthesis, Photophysical and Chiroptical Properties. Chemistry 2021; 27:7959-7967. [PMID: 33769616 DOI: 10.1002/chem.202100356] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Indexed: 01/26/2023]
Abstract
Mono- and di-boranil-substituted helicenes were prepared by BF2 -borylation of the corresponding anils, readily synthesized by condensation of 2-amino- and 2,15-diamino-helicenes with 4-(diethylamino)salicylaldehyde. After enantiomeric resolution using HPLC, their chiroptical properties including circularly polarized fluorescence in solution and in PMMA films were investigated and rationalized with the help of NMR, X-ray and quantum-chemical calculations.
Collapse
Affiliation(s)
- Aurélie Macé
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Khaoula Hamrouni
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France.,University of Monastir, Faculty of Sciences, Laboratory of Asymmetric Synthesis and Molecular Engineering of Materials for Organic Electronics (LR18ES19), Avenue of Environment, 5019, Monastir, Tunisia
| | - Etienne S Gauthier
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Marion Jean
- Aix Marseille University, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Nicolas Vanthuyne
- Aix Marseille University, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Lucas Frédéric
- Université Paris-Saclay, CEA, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, Gif-sur-Yvette, 91191, France
| | - Grégory Pieters
- Université Paris-Saclay, CEA, Département Médicaments et Technologies pour la Santé (DMTS), SCBM, Gif-sur-Yvette, 91191, France
| | - Elsa Caytan
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Thierry Roisnel
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Faouzi Aloui
- University of Monastir, Faculty of Sciences, Laboratory of Asymmetric Synthesis and Molecular Engineering of Materials for Organic Electronics (LR18ES19), Avenue of Environment, 5019, Monastir, Tunisia
| | - Monika Srebro-Hooper
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387, Krakow, Poland
| | - Bertrand Carboni
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Fabienne Berrée
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| | - Jeanne Crassous
- Univ Rennes, CNRS, ISCR-UMR 6226, Université de Rennes 1, Campus de Beaulieu, 35042, Rennes Cedex, France
| |
Collapse
|
53
|
Shyam Sundar M, Lo R, Dračínský M, Klepetářová B. Synthesis and Stereochemical Behavior of Dioxa[6]helicene Derivatives. ChemistrySelect 2021. [DOI: 10.1002/slct.202100583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- M. Shyam Sundar
- The Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovonáměstí 2 16610 Prague Czech Republic
| | - Rabindranath Lo
- The Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovonáměstí 2 16610 Prague Czech Republic
| | - Martin Dračínský
- The Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovonáměstí 2 16610 Prague Czech Republic
| | - Blanka Klepetářová
- The Institute of Organic Chemistry and Biochemistry Czech Academy of Sciences Flemingovonáměstí 2 16610 Prague Czech Republic
| |
Collapse
|
54
|
Ouadoudi O, Kaehler T, Bolte M, Lerner HW, Wagner M. One tool to bring them all: Au-catalyzed synthesis of B,O- and B,N-doped PAHs from boronic and borinic acids. Chem Sci 2021; 12:5898-5909. [PMID: 34168815 PMCID: PMC8179653 DOI: 10.1039/d1sc00543j] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The isoelectronic replacement of C
Created by potrace 1.16, written by Peter Selinger 2001-2019
]]>
C bonds with −BN+ bonds in polycyclic aromatic hydrocarbons (PAHs) is a widely used tool to prepare novel optoelectronic materials. Far less well explored are corresponding B,O-doped PAHs, although they have a similarly high application potential. We herein report on the modular synthesis of B,N- and B,O-doped PAHs through the [Au(PPh3)NTf2]-catalyzed 6-endo-dig cyclization of BN–H and BO–H bonds across suitably positioned C
Created by potrace 1.16, written by Peter Selinger 2001-2019
]]>
C bonds in the key step. Readily available, easy-to-handle o-alkynylaryl boronic and borinic acids serve as starting materials, which are either cyclized directly or first converted into the corresponding aminoboranes and then cyclized. The reaction even tolerates bulky mesityl substituents on boron, which later kinetically protect the formed B,N/O-PAHs from hydrolysis or oxidation. Our approach is also applicable for the synthesis of rare doubly B,N/O-doped PAHs. Specifically, we prepared 1,2-B,E-naphthalenes and -anthracenes, 1,5-B2-2,6-E2-anthracenes (E = N, O) as well as B,O2-containing and unprecedented B,N,O-containing phenalenyls. Selected examples of these compounds have been structurally characterized by X-ray crystallography; their optoelectronic properties have been studied by cyclic voltammetry, electron spectroscopy, and quantum-chemical calculations. Using a new unsubstituted (B,O)2-perylene as the substrate for late-stage functionalization, we finally show that the introduction of two pinacolatoboryl (Bpin) substituents is possible in high yield and with perfect regioselectivity via an Ir-catalyzed C–H borylation approach. Singly and doubly B,E-doped PAHs were synthesized using a protocol that starts from easy-to-handle boronic and borinic acids and offers the possibility to choose between the preparation of B,O- and B,N-PAHs in the final reaction step.![]()
Collapse
Affiliation(s)
- Omar Ouadoudi
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt Max-von-Laue-Straße 7 D-60438 Frankfurt (Main) Germany
| | - Tanja Kaehler
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt Max-von-Laue-Straße 7 D-60438 Frankfurt (Main) Germany
| | - Michael Bolte
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt Max-von-Laue-Straße 7 D-60438 Frankfurt (Main) Germany
| | - Hans-Wolfram Lerner
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt Max-von-Laue-Straße 7 D-60438 Frankfurt (Main) Germany
| | - Matthias Wagner
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt Max-von-Laue-Straße 7 D-60438 Frankfurt (Main) Germany
| |
Collapse
|
55
|
Oda S, Hatakeyama T. Development of One-Shot/One-Pot Borylation Reactions toward Organoboron-Based Materials. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20200372] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Susumu Oda
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| | - Takuji Hatakeyama
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo 669-1337, Japan
| |
Collapse
|
56
|
Liu Y, Xu Q, Liu L, Wang L, He D, Zhuang X, Wang M. The spectral-shapes of absorption, emission, ECD and CPL of a fluorene-fused [7]helicene: Vibronic effect and solvent inhomogenous broadening. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 249:119293. [PMID: 33326916 DOI: 10.1016/j.saa.2020.119293] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/27/2020] [Accepted: 11/29/2020] [Indexed: 06/12/2023]
Abstract
We compute the line shapes of absorption (ABS), emission (EMI), electronic circular dichroism (ECD), and circularly polarized luminescence (CPL) of a fluorene-fused [7]helicene. To elucidate different physico-chemical factors responsible for the spectral shapes, we account for Franck-Condon (FC) contribution, Herzberg-Teller (HT) effect and Duschinsky rotation, as well as the solvent inhomogenous broadening. The latter is connected to the solvent reorganization energy which is calculated with the state-specific (SS) implementation of Polarizable Continuum Model (PCM). To understand the relative importance of different effects of equilibrium geometry displacements, frequencies changes, and Duschinsky mixing, we carefully compare and discuss the results of Adiabatic Hessian (AH), Adiabatic Shift and Frequencies (ASF), and Adiabatic Shift (AS) models in details. Our results agree with the experimental spectra very well. They show that FC contribution dominates the spectral shapes and HT effect leads to the break of mirror images between absorptive (ABS + ECD) and emissive (EMI + CPL) spectra.
Collapse
Affiliation(s)
- Yanli Liu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Qiushuang Xu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China; School of Physics Engineering, Qufu Normal University, 2673100 Qufu, Shandong, PR China
| | - Lu Liu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Li Wang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China.
| | - Di He
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Xingang Zhuang
- The 41st Research Institute of CETC, 266555 Qingdao, Shandong, PR China
| | - Meishan Wang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China.
| |
Collapse
|
57
|
Crumbach M, Ayhan O, Fritze L, Sprenger JAP, Zapf L, Finze M, Helten H. BNB-doped phenalenyls - aromaticity switch upon one-electron reduction. Chem Commun (Camb) 2021; 57:2408-2411. [PMID: 33544098 DOI: 10.1039/d0cc07671f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Fully aromatic, luminescent, and highly robust BNB-doped phenalenyls have been prepared, which are isoelectronic to the phenalenyl cation. B-Fluoromesityl-substitution leads to fluorescence in an extremely narrow range and significant increase in the reduction potential. Detailed theoretical investigations revealed an intramolecular aromaticity switch upon one-electron reduction.
Collapse
Affiliation(s)
- Merian Crumbach
- Institute of Inorganic Chemistry and Institute for Sustainable Chemistry & Catalysis with Boron (ICB), Julius-Maximilians-Universität Würzburg, Am Hubland, 97074 Würzburg, Germany.
| | | | | | | | | | | | | |
Collapse
|
58
|
Full J, Panchal SP, Götz J, Krause A, Nowak‐Król A. Modular Synthesis of Organoboron Helically Chiral Compounds: Cutouts from Extended Helices. Angew Chem Int Ed Engl 2021; 60:4350-4357. [PMID: 33244880 PMCID: PMC7898935 DOI: 10.1002/anie.202014138] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/25/2020] [Indexed: 11/12/2022]
Abstract
Two types of helically chiral compounds bearing one and two boron atoms were synthesized by a modular approach. Formation of the helical scaffolds was executed by the introduction of boron to flexible biaryl and triaryl derived from small achiral building blocks. All-ortho-fused azabora[7]helicenes feature exceptional configurational stability, blue or green fluorescence with quantum yields (Φfl ) of 18-24 % in solution, green or yellow solid-state emission (Φfl up to 23 %), and strong chiroptical response with large dissymmetry factors of up to 1.12×10-2 . Azabora[9]helicenes consisting of angularly and linearly fused rings are blue emitters exhibiting Φfl of up to 47 % in CH2 Cl2 and 25 % in the solid state. As revealed by the DFT calculations, their P-M interconversion pathway is more complex than that of H1. Single-crystal X-ray analysis shows clear differences in the packing arrangement of methyl and phenyl derivatives. These molecules are proposed as primary structures of extended helices.
Collapse
Affiliation(s)
- Julian Full
- Institut für Anorganische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Institut für Organische Chemie and Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Santosh P. Panchal
- Institut für Anorganische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Institut für Organische Chemie and Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Julian Götz
- Institut für Organische Chemie and Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Ana‐Maria Krause
- Institut für Organische Chemie and Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
| | - Agnieszka Nowak‐Król
- Institut für Anorganische ChemieUniversität WürzburgAm Hubland97074WürzburgGermany
- Institut für Organische Chemie and Center for Nanosystems ChemistryUniversität WürzburgAm Hubland97074WürzburgGermany
| |
Collapse
|
59
|
Full J, Panchal SP, Götz J, Krause A, Nowak‐Król A. Modulare Synthese helikal‐chiraler Organobor‐Verbindungen: Ausschnitte verlängerter Helices. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202014138] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Julian Full
- Institut für Anorganische Chemie Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für Organische Chemie and Center for Nanosystems Chemistry Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Santosh P. Panchal
- Institut für Anorganische Chemie Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für Organische Chemie and Center for Nanosystems Chemistry Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Julian Götz
- Institut für Organische Chemie and Center for Nanosystems Chemistry Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Ana‐Maria Krause
- Institut für Organische Chemie and Center for Nanosystems Chemistry Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| | - Agnieszka Nowak‐Król
- Institut für Anorganische Chemie Universität Würzburg Am Hubland 97074 Würzburg Deutschland
- Institut für Organische Chemie and Center for Nanosystems Chemistry Universität Würzburg Am Hubland 97074 Würzburg Deutschland
| |
Collapse
|
60
|
Affiliation(s)
- Tadashi Mori
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University,2-1 Yamada-oka, Suita, Osaka 565-0871, Japan
| |
Collapse
|
61
|
Zhu G, Zhang G. Access to benzo-fused aza[7]helicene via unexpected indolization of alkyne-amine. Org Chem Front 2021. [DOI: 10.1039/d1qo00885d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An efficient base-mediated indolization of alkyne-amine for the synthesis of quinolone-fused indole was developed and further applied to synthesize di- and triaza[7]helicenes bearing two and three pentagons, respectively.
Collapse
Affiliation(s)
- Guanxing Zhu
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Products, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| | - Gang Zhang
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Products, College of Chemical Engineering, Nanjing Forestry University, Nanjing, 210037, P. R. China
| |
Collapse
|
62
|
Kumar A, Shin HY, Lee T, Jung J, Jung BJ, Lee MH. Doubly Boron-Doped TADF Emitters Decorated with ortho-Donor Groups for Highly Efficient Green to Red OLEDs. Chemistry 2020; 26:16793-16801. [PMID: 32779254 DOI: 10.1002/chem.202002968] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2020] [Indexed: 12/23/2022]
Abstract
Doubly boron-doped thermally activated delayed fluorescence (TADF) emitters based on a 9,10-diboraanthracene (DBA) acceptor decorated with ortho-donor groups (Cz2oDBA, 2; BuCz2oDBA, 3; DMAC2oDBA, 4) are prepared to realize high-efficiency green-to-red organic light-emitting diodes (OLEDs). X-ray diffraction analyses of 2 and 4 reveal the symmetrical and highly twisted ortho-donor-acceptor-donor (D-A-D) structure of the emitters. The twisted conformation leads to a very small energy splitting (ΔEST <0.08 eV) between the excited singlet and triplet states that gives rise to strong TADF, as supported by theoretical studies. Depending on the strength of the donor moieties, the emission color is fine-tuned in the visible region from green (2) to yellow (3) to red (4). Carbazole-containing 2 and 3 exhibit high photoluminescence quantum yields (PLQYs) approaching 100 %, whereas DMAC-substituted 4 is moderately emissive (PLQY=44 %) in a doped host film. Highly efficient green-to-red TADF-OLEDs are realized with the proposed ortho-D-A-D compounds as emitters. The green and yellow OLEDs incorporating Cz2oDBA (2) and BuCz2oDBA (3) emitters exhibit high external quantum efficiencies (EQEs) of 26.6 % and 21.6 %, respectively. In particular, the green device shows an excellent power efficiency above 100 lm W-1 . A red OLED fabricated with a DMAC2oDBA (4) emitter exhibits a maximum EQE of 10.1 % with an electroluminescence peak at 615 nm.
Collapse
Affiliation(s)
- Ajay Kumar
- Department of Chemistry, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Han Young Shin
- Department of Materials Science and Engineering, The University of Seoul, Seoul, 02504, Republic of Korea
| | - Taehwan Lee
- Department of Chemistry, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Jaehoon Jung
- Department of Chemistry, University of Ulsan, Ulsan, 44610, Republic of Korea
| | - Byung Jun Jung
- Department of Materials Science and Engineering, The University of Seoul, Seoul, 02504, Republic of Korea
| | - Min Hyung Lee
- Department of Chemistry, University of Ulsan, Ulsan, 44610, Republic of Korea
| |
Collapse
|
63
|
Yan L, Ma W, Lan J, Cheng H, Bin Z, Wu D, You J. Molecular engineering enabling reversible transformation between helical and planar conformations by cyclization of alkynes. Chem Sci 2020; 12:2419-2426. [PMID: 34164007 PMCID: PMC8179297 DOI: 10.1039/d0sc05844k] [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: 11/21/2022] Open
Abstract
Molecular engineering enabling reversible transformation between helical and planar conformations is described herein. Starting from easily available 2-(pyridin-2-yl)anilines and alkynes, a one-pot strategy is set up for the synthesis of aza[4]helicenes via two successive rhodium-catalyzed C–H activation/cyclizations. Helical pyrrolophenanthridiziniums can be transformed into planar conformations through the cleavage of acidic pyrrole N–H, leading to turn-off fluorescence. NMR spectra, single crystal X-ray diffraction and DFT calculations demonstrate that the formation of an intramolecular C–H⋯N hydrogen bond is beneficial to stabilize the pyrrole nitrogen anion of the planar molecule and provide increased planarity. The reversible conformation transformations can be finely adjusted by the electron-donating and -withdrawing groups on the π+-fused pyrrole skeleton in the physiological pH range, thus affording an opportunity for pH-controlled intracellular selective fluorescence imaging. Pyrrolophenanthridiziniums show turn-on fluorescence in lysosomes owing to the acidic environment of lysosomes and turn-off fluorescence out of lysosomes, indicating the occurrence of the deprotonation reaction outside lysosomes and the corresponding transformation from helical to planar conformations. One-pot synthesis of aza[4]helicenes is accomplished through two successive C–H activation/cyclizations, which exhibit on/off fluorescence switching through reversible transformation between helical and planar conformations.![]()
Collapse
Affiliation(s)
- Lipeng Yan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Weixin Ma
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jingbo Lan
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Hu Cheng
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Zhengyang Bin
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Di Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 People's Republic of China
| |
Collapse
|
64
|
Yin X, Liu J, Jäkle F. Electron‐Deficient Conjugated Materials via p–π* Conjugation with Boron: Extending Monomers to Oligomers, Macrocycles, and Polymers. Chemistry 2020; 27:2973-2986. [DOI: 10.1002/chem.202003481] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/26/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Xiaodong Yin
- Department of Chemistry Rutgers University-Newark 73 Warren Street Newark NJ 07102 USA
- Key Laboratory of Cluster Science Ministry of Education of China Beijing Key Laboratory of Photoelectronic/Electrophotonic, Conversion Materials School of Chemistry and Chemical Engineering Beijing Institute of Technology Beijing 102488 P. R. China
| | - Jun Liu
- State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied Chemistry Chinese Academy of Sciences Changchun 130022 P. R. China
| | - Frieder Jäkle
- Department of Chemistry Rutgers University-Newark 73 Warren Street Newark NJ 07102 USA
| |
Collapse
|
65
|
Arrico L, Di Bari L, Zinna F. Quantifying the Overall Efficiency of Circularly Polarized Emitters. Chemistry 2020; 27:2920-2934. [DOI: 10.1002/chem.202002791] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2020] [Indexed: 01/06/2023]
Affiliation(s)
- Lorenzo Arrico
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via Moruzzi 13 56124 Pisa Italy
| | - Lorenzo Di Bari
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via Moruzzi 13 56124 Pisa Italy
| | - Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale Università di Pisa Via Moruzzi 13 56124 Pisa Italy
| |
Collapse
|
66
|
Zhang Z, Kumar S, Bagnich S, Spuling E, Hundemer F, Nieger M, Hassan Z, Köhler A, Zysman-Colman E, Bräse S. OBO-Fused Benzo[fg]tetracene as Acceptor With Potential for Thermally Activated Delayed Fluorescence Emitters. Front Chem 2020; 8:563411. [PMID: 33195051 PMCID: PMC7555999 DOI: 10.3389/fchem.2020.563411] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 08/19/2020] [Indexed: 11/18/2022] Open
Abstract
Six luminophores bearing an OBO-fused benzo[fg]tetracene core as an electron acceptor were designed and synthesized. The molecular structures of three molecules (PXZ-OBO, 5PXZ-OBO, 5DMAC-OBO) were determined by single crystal X-ray diffraction studies and revealed significant torsion between the donor moieties and the OBO acceptor with dihedral angles between 75.5 and 86.2°. Photophysical studies demonstrate that blue and deep blue emission can be realized with photoluminescence maxima (λPL) ranging from 415 to 480 nm in mCP films. The emission energy is modulated by simply varying the strength of the donor heterocycle, the number of donors, and their position relative to the acceptor. Although the DMAC derivatives show negligible delayed emission because of their large singlet-triplet excited state energy difference, ΔEST, PXZ-based molecules, especially PXZ-OBO with an experimental ΔEST of 0.25 eV, demonstrate delayed emission in blend mCP films at room temperature, which suggests triplet exciton harvesting occurs in these samples, potentially by thermally activated delayed fluorescence.
Collapse
Affiliation(s)
- Zhen Zhang
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Shiv Kumar
- Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, United Kingdom
| | - Sergey Bagnich
- Soft Matter Optoelectronics, Bayreuth Institute for Macromolecular Research (BIMF) & Bavarian Polymer Institute (BPI), University of Bayreuth, Bayreuth, Germany
| | - Eduard Spuling
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.,Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, United Kingdom
| | - Fabian Hundemer
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Martin Nieger
- Department of Chemistry, University of Helsinki, Helsinki, Finland
| | - Zahid Hassan
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany
| | - Anna Köhler
- Soft Matter Optoelectronics, Bayreuth Institute for Macromolecular Research (BIMF) & Bavarian Polymer Institute (BPI), University of Bayreuth, Bayreuth, Germany
| | - Eli Zysman-Colman
- Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, United Kingdom
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.,Institute of Biological and Chemical Systems - Functional Molecular Systems (IBCS-FMS), Karlsruhe Institute of Technology (KIT), Eggenstein-Leopoldshafen, Germany
| |
Collapse
|
67
|
Hosokawa T, Tsurusaki A, Kamikawa K. Assembly of [5]Helicene Subunits by Palladium-Catalyzed Reactions: Synthesis, Structures, Properties, and Theoretical Study of Multiple Helicenes. J SYN ORG CHEM JPN 2020. [DOI: 10.5059/yukigoseikyokaishi.78.1013] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Akihiro Tsurusaki
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University
| | - Ken Kamikawa
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University
| |
Collapse
|
68
|
Ohtsuka N, Nakano M, Nakagawa S, Shahiduzzaman M, Karakawa M, Taima T, Minoura M. Naphthalene diimide-incorporated helical thienoacene: a helical molecule with high electron mobility, good solubility, and thermally stable solid phase. Chem Commun (Camb) 2020; 56:12343-12346. [PMID: 32930200 DOI: 10.1039/d0cc04634e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
A Naphthalene diimide (NDI)-incorporated helical thienoacene was developed. The compound has high electron mobility (1.4 cm2 V-1 s-1) thanks to its two-dimensional π-π interaction assisted by the intermolecular C-HO hydrogen bonding of the NDI moieties. Moreover, its bow-shaped π-skeleton reduces molecular fluctuation and gives the compound a thermally stable solid phase, which enables us to fabricate thermally stable organic devices.
Collapse
Affiliation(s)
- Nobuhiko Ohtsuka
- Department of Chemistry, Graduate School of Science and Engineering, Saitama University, 225 Shimo-okubo, Sakura-ku, Saitama, 338-8570, Japan.
| | - Masahiro Nakano
- Department Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
| | - Sae Nakagawa
- Department Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan.
| | - Md Shahiduzzaman
- Nanomaterial Research Institute (NanoMaRI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan
| | - Makoto Karakawa
- Department Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan. and Nanomaterial Research Institute (NanoMaRI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan and Institute for Frontier Science Initiative (InFiniti), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Tetsuya Taima
- Department Graduate School of Natural Science and Technology, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan. and Nanomaterial Research Institute (NanoMaRI), Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa 920-1192, Japan and Institute for Frontier Science Initiative (InFiniti), Kanazawa University, Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Mao Minoura
- Department of Chemistry, Graduate School of Science, Rikkyo University, Nishi-Ikebukuro, Toshima-ku, Tokyo 171-8501, Japan
| |
Collapse
|
69
|
Liu Y, Xu Q, Sun J, Wang L, He D, Wang M, Yang C. Insights for vibronic effects on spectral shapes of electronic circular dichroism and circularly polarized luminescence of aza[7]helicene. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 239:118475. [PMID: 32470807 DOI: 10.1016/j.saa.2020.118475] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 05/09/2020] [Accepted: 05/10/2020] [Indexed: 06/11/2023]
Abstract
We present a systematic study of vibrationally resolved absorption (ABS), electronic circular dichroism (ECD), emission (EMI), and circularly polarized luminescence (CPL) of aza[7]helicene. Because of the rare experience of theoretical CPL calculation, a variety of harmonic models have been employed to compute the vibronic structures. To fully understand the vibronic effects on the spectral shapes, Franck-Condon (FC) and Herzberg-Teller (HT) contributions, Duschinsky mixings and temperature effect have all been taken into consideration. The performance of different alternative approximate methods has been carefully compared and discussed in detail. The results show that Vertical Hessian (VH) model has a slight better performance on the spectral shapes than Adiabatic Hessian (AH), especially for CPL spectrum. The thermal excitation effect has led to a reduced resolution and a broader spectral width. The moderate HT effects on the different spectral shapes have been addressed. The dissymmetry factors have been correctly reproduced and the main vibronic features of the four different spectral shapes have been successfully captured. A good estimation of the overall spectral width, relative position and relative height of different spectral bands has been presented. The nice agreement with the experiment allows us to present a detailed interpretation of the spectral shapes.
Collapse
Affiliation(s)
- Yanli Liu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Qiushuang Xu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China; School of Physics Engineering, Qufu Normal University, 2673100 Qufu, Shandong, PR China
| | - Jie Sun
- School of Electronic and Information Engineering (Department of Physics), Qilu University of Technology (Shandong Academy of Sciences), 250353 Jinan, Shandong, PR China
| | - Li Wang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China.
| | - Di He
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Meishan Wang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China.
| | - Chuanlu Yang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| |
Collapse
|
70
|
Ikeda N, Oda S, Matsumoto R, Yoshioka M, Fukushima D, Yoshiura K, Yasuda N, Hatakeyama T. Solution-Processable Pure Green Thermally Activated Delayed Fluorescence Emitter Based on the Multiple Resonance Effect. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2020; 32:e2004072. [PMID: 32864797 DOI: 10.1002/adma.202004072] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/19/2020] [Indexed: 05/28/2023]
Abstract
Thermally activated delayed fluorescence (TADF) materials based on the multiple resonance (MR) effect are applied in organic light-emitting diodes (OLEDs), combining high color purity and efficiency. However, they are not fabricated via solution-processing, which is an economical approach toward the mass production of OLED displays. Here, a solution-processable MR-TADF material (OAB-ABP-1), with an extended π-skeleton and bulky substituents, is designed. OAB-ABP-1 is synthesized from commercially available starting materials via a four-step process involving one-shot double borylation. OAB-ABP-1 presents attractive photophysical properties, a narrow emission band, a high photoluminescence quantum yield, a small energy gap between S1 and T1 , and low activation energy for reverse intersystem crossing. These properties are attributed to the alternating localization of the highest occupied and lowest unoccupied molecular orbitals induced by the boron, nitrogen, and oxygen atoms. Furthermore, to facilitate charge recombination, two novel semiconducting polymers with similar ionization potentials to that of OAB-ABP-1 are synthesized for use as interlayer and emissive layer materials. A solution-processed OLED device is fabricated using OAB-ABP-1 and the aforementioned polymers; it exhibits pure green electroluminescence with a small full-width at half-maximum and a high external quantum efficiency with minimum efficiency roll-off.
Collapse
Affiliation(s)
- Naoya Ikeda
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo, 669-1337, Japan
| | - Susumu Oda
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo, 669-1337, Japan
| | - Ryuji Matsumoto
- Advanced Material Development Laboratory, Sumitomo Chemical Co., Ltd., 6 Kitahara, Tsukuba, Ibaraki, 300-3294, Japan
| | - Mayu Yoshioka
- Advanced Material Development Laboratory, Sumitomo Chemical Co., Ltd., 6 Kitahara, Tsukuba, Ibaraki, 300-3294, Japan
| | - Daisuke Fukushima
- Advanced Material Development Laboratory, Sumitomo Chemical Co., Ltd., 6 Kitahara, Tsukuba, Ibaraki, 300-3294, Japan
| | - Kazuki Yoshiura
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo, 669-1337, Japan
| | - Nobuhiro Yasuda
- Japan Synchrotron Radiation Research Institute (JASRI), 1-1-1 Kouto, Sayo-cho, Sayo-gun, Hyogo, 679-5198, Japan
| | - Takuji Hatakeyama
- Department of Chemistry, School of Science and Technology, Kwansei Gakuin University, 2-1 Gakuen, Sanda, Hyogo, 669-1337, Japan
| |
Collapse
|
71
|
Zhou F, Zhou F, Su R, Yang Y, You J. Build-up of double carbohelicenes using nitroarenes: dual role of the nitro functionality as an activating and leaving group. Chem Sci 2020; 11:7424-7428. [PMID: 34123023 PMCID: PMC8159353 DOI: 10.1039/d0sc02058c] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 06/23/2020] [Indexed: 11/21/2022] Open
Abstract
The construction of double carbohelicenes is highly fascinating yet challenging work. Disclosed herein is a streamlined and simplified synthetic route to double carbohelicenes starting from nitroarenes through sequential nitro-activated ortho-C-H arylation, denitrative alkenylation and intramolecular cyclodehydrogenation. In this synthetic strategy, the nitro group plays a dual role namely as a leaving group for the denitrative alkenylation and as an activating group for ortho-C-H arylation, which is distinct from those of aryl halides in a conventional coupling reaction. In this work, the palladium-catalyzed Heck-type alkenylation of nitroarenes has been presented, in which the conventionally inert Ar-NO2 bond is cleaved. This work provides a novel synthetic strategy for polycyclic aromatic hydrocarbons (PAHs).
Collapse
Affiliation(s)
- Fulin Zhou
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Fujian Zhou
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Rongchuan Su
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Yudong Yang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Jingsong You
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| |
Collapse
|
72
|
Scholz AS, Massoth JG, Bursch M, Mewes JM, Hetzke T, Wolf B, Bolte M, Lerner HW, Grimme S, Wagner M. BNB-Doped Phenalenyls: Modular Synthesis, Optoelectronic Properties, and One-Electron Reduction. J Am Chem Soc 2020; 142:11072-11083. [PMID: 32464052 DOI: 10.1021/jacs.0c03118] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
A highly modular synthesis of BNB- and BOB-doped phenalenyls is presented. Treatment of the 1,8-naphthalenediyl-bridged boronic acid anhydride 1 with LiAlH4/Me3SiCl afforded the corresponding 1,8-naphthalenediyl-supported diborane(6) 2, which served as the starting material for all subsequent transformations. Upon addition of MesMgBr/Me3SiCl, 2 was readily converted to the tetraorganyl diborane(6) 5. The further heteroatoms were finally introduced through the reaction of 2 with (Me3Si)2NR' or 5 with H2NR' or H2O (R' = H, Me, p-Tol). A helically twisted, fully BNB-embedded PAH 11 was prepared by combining 2 with a dibrominated m-terphenylamine, followed by a Grignard-mediated double ring-closure reaction. All compounds devoid of B-H bonds show favorable optoelectronic properties, such as luminescence and reversible reduction behavior. In the case of the BNB-phenalenyl 7 (BMes, NMe), the radical-anion salt K[7•] was generated through chemical reduction with K metal and characterized by EPR spectroscopy. K[7•] is not long-term stable in a THF/c-hexane solution, but abstracts an H atom with formation of the diamagnetic BNB-doped 1H-phenalene K[7H].
Collapse
Affiliation(s)
- Alexander S Scholz
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| | - Julian G Massoth
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| | - Markus Bursch
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische und Theoretische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Jan-M Mewes
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische und Theoretische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Thilo Hetzke
- Institut für Physikalische und Theoretische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| | - Bernd Wolf
- Physikalisches Institut, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 1, 60438 Frankfurt am Main, Germany
| | - Michael Bolte
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| | - Hans-Wolfram Lerner
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| | - Stefan Grimme
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische und Theoretische Chemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4, 53115 Bonn, Germany
| | - Matthias Wagner
- Institut für Anorganische und Analytische Chemie, Goethe-Universität Frankfurt am Main, Max-von-Laue-Straße 7, 60438 Frankfurt am Main, Germany
| |
Collapse
|
73
|
Kim J, Lee T, Ryu JY, Lee YH, Lee J, Jung J, Lee MH. Highly Emissive ortho-Donor–Acceptor Triarylboranes: Impact of Boryl Acceptors on Luminescence Properties. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00185] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Juhee Kim
- Department of Chemistry, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Taehwan Lee
- Department of Chemistry, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Ji Yeon Ryu
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Young Hoon Lee
- Department of Chemistry, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Junseong Lee
- Department of Chemistry, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Jaehoon Jung
- Department of Chemistry, University of Ulsan, Ulsan 44610, Republic of Korea
| | - Min Hyung Lee
- Department of Chemistry, University of Ulsan, Ulsan 44610, Republic of Korea
| |
Collapse
|
74
|
Yubuta A, Hosokawa T, Gon M, Tanaka K, Chujo Y, Tsurusaki A, Kamikawa K. Enantioselective Synthesis of Triple Helicenes by Cross-Cyclotrimerization of a Helicenyl Aryne and Alkynes via Dynamic Kinetic Resolution. J Am Chem Soc 2020; 142:10025-10033. [DOI: 10.1021/jacs.0c01723] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Ayaka Yubuta
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Tomoka Hosokawa
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Masayuki Gon
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Kazuo Tanaka
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Yoshiki Chujo
- Department of Polymer Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Akihiro Tsurusaki
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| | - Ken Kamikawa
- Department of Chemistry, Graduate School of Science, Osaka Prefecture University, Sakai, Osaka 599-8531, Japan
| |
Collapse
|
75
|
Kinoshita S, Yamano R, Shibata Y, Tanaka Y, Hanada K, Matsumoto T, Miyamoto K, Muranaka A, Uchiyama M, Tanaka K. Rhodium‐Catalyzed Highly Diastereo‐ and Enantioselective Synthesis of a Configurationally Stable S‐Shaped Double Helicene‐Like Molecule. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202001794] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Suzuka Kinoshita
- Department of Chemical Science and Engineering Tokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8550 Japan
| | - Ryota Yamano
- Department of Chemical Science and Engineering Tokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8550 Japan
| | - Yu Shibata
- Department of Chemical Science and Engineering Tokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8550 Japan
| | - Yusuke Tanaka
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Kyoichi Hanada
- Department of Chemical Science and Engineering Tokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8550 Japan
| | - Takashi Matsumoto
- Rigaku Corporation 3-9-12 Matsubara-cho Akishima Tokyo 196-8666 Japan
| | - Kazunori Miyamoto
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Atsuya Muranaka
- Advanced Elements Chemistry Laboratory, Cluster for Pioneering Research (CPR) RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
- Advanced Elements Chemistry Laboratory, Cluster for Pioneering Research (CPR) RIKEN 2-1 Hirosawa Wako Saitama 351-0198 Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering Tokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8550 Japan
| |
Collapse
|
76
|
Kinoshita S, Yamano R, Shibata Y, Tanaka Y, Hanada K, Matsumoto T, Miyamoto K, Muranaka A, Uchiyama M, Tanaka K. Rhodium-Catalyzed Highly Diastereo- and Enantioselective Synthesis of a Configurationally Stable S-Shaped Double Helicene-Like Molecule. Angew Chem Int Ed Engl 2020; 59:11020-11027. [PMID: 32237104 DOI: 10.1002/anie.202001794] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/25/2020] [Indexed: 12/13/2022]
Abstract
An S-shaped double helicene-like molecule (>99 % ee), possessing stable helical chirality, has been synthesized by the rhodium(I)/difluorphos complex-catalyzed highly diastereo- and enantioselective intramolecular double [2+2+2] cycloaddition of a 2-naphthol- and benzene-linked hexayne. The collision between two terminal naphthalene rings destabilizes the helical chirality of the S-shaped double helicene-like molecule, but the introduction of two additional fused benzene rings significantly increases the configurational stability. Thus, no epimerization and racemization were observed even at 100 °C. The enantiopure S-shaped double helicene-like molecule forms a trimer through the multiple C-H⋅⋅⋅π and C-H⋅⋅⋅O interactions in the solid-state. The trimers stack to form columnar packing structures, in which neighboring stacks have opposite dipole directions. The accumulation of helical structures in the same direction in the S-shaped double helicene-like molecule enhanced the chiroptical properties.
Collapse
Affiliation(s)
- Suzuka Kinoshita
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Ryota Yamano
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Yu Shibata
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Yusuke Tanaka
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Kyoichi Hanada
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| | - Takashi Matsumoto
- Rigaku Corporation, 3-9-12 Matsubara-cho, Akishima, Tokyo, 196-8666, Japan
| | - Kazunori Miyamoto
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Atsuya Muranaka
- Advanced Elements Chemistry Laboratory, Cluster for Pioneering Research (CPR), RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.,Advanced Elements Chemistry Laboratory, Cluster for Pioneering Research (CPR), RIKEN, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Ken Tanaka
- Department of Chemical Science and Engineering, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8550, Japan
| |
Collapse
|
77
|
Hu Z, Li L, Liu Z, Liu Z, Zhang D, Li K. Indole-Based Aza[n]helicenes (n=5, 6) with Violet-Blue Fluorescence and Two-Photon Absorption (TPA). Chempluschem 2020; 85:742-750. [PMID: 32329586 DOI: 10.1002/cplu.202000178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2020] [Revised: 03/25/2020] [Indexed: 12/16/2022]
Abstract
A series of indole-based helicenes, namely, 15-hexyl-15H-tetraphenyl[1,2-e]indole (HTPI), 14-hexyl-14H-benzo[4',5']thieno [2',3':7,8]naphtha[1,2-e]indole (HBTNI), 7-hexyl-7H-indolo[5,4-k] phenanthridine (HIPD) and 3-hexyl-3H-phenanthro[4,3-e]indole (HPI) were successfully synthesized by three- or four-step reactions. They exhibited good solubility and high thermal stability of Td =247, 388, 294 and 251 °C, respectively. These compounds emit violet-blue light with maximum emission peaks at 415, 397, 397 and 391 nm in hexane. Among them, HBTNI had excellent thermal stability, narrow and sharp emission peaks, and highest photoluminescence quantum yield (0.32). Thus, HBTNI was an ideal candidate for the violet-blue emitters of OLEDs. Furthermore, the four compounds had two-photon absorption and two-photon excited fluorescence. HTPI showed the maximum TPA with the TPA cross-section (δ) of 171.5 GM at 770 nm. They were rare examples of helicenes with both violet-blue emission and TPA.
Collapse
Affiliation(s)
- Zhenhao Hu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Li Li
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Zhi Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Zhiqiang Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Dingchao Zhang
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| | - Kunlun Li
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, P. R. China
| |
Collapse
|
78
|
Xu X, Müllen K, Narita A. Syntheses and Characterizations of Functional Polycyclic Aromatic Hydrocarbons and Graphene Nanoribbons. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20190368] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xiushang Xu
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Organic and Carbon Nanomaterials Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami, Okinawa 904-0495, Japan
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Institute of Physical Chemistry, Johannes Gutenberg-Universität Mainz, Duesbergweg 10-14, 55128 Mainz, Germany
| | - Akimitsu Narita
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128, Mainz, Germany
- Organic and Carbon Nanomaterials Unit, Okinawa Institute of Science and Technology Graduate University, 1919-1 Tancha, Onna-son, Kunigami, Okinawa 904-0495, Japan
| |
Collapse
|
79
|
Xu Q, Liu Y, Zhao X, Chen S, Li Q, Wang M, Yang C. Vibrationally resolved electronic circular dichroism and circularly polarized luminescence spectra of a boron-fused double helicene: A theoretical study. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 231:118132. [PMID: 32058915 DOI: 10.1016/j.saa.2020.118132] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 02/03/2020] [Accepted: 02/03/2020] [Indexed: 06/10/2023]
Abstract
In this work, we present the theoretical study of the vibrationally resolved absorption (ABS), electronic circular dichroism (ECD), emission (EMI), and circularly polarized luminescence (CPL) spectra of a boron-fused double helicene, with a detailed and complete discussion of the alternative possible approximate methods. Given the fact that few examples of CPL calculations exist, the potential energy surfaces (PESs) have been constructed and compared with Adiabatic (AH) and Vertical Hessian (VH) models. All the vibronic calculations have accounted for Duschinsky mixings, Franck-Condon (FC) effect and Herzberg-Teller (HT) contribution. Moreover, different HT expansions have been checked and compared, by computing the derivatives of the electric and magnetic dipole transition moments around the equilibrium geometries of the initial and final states. Our results show that both AH and VH models have well reproduced the experimental vibronic structures and VH model shows a better performance in the simulation of spectral lineshapes. They also show that HT effects dominate the shapes of EMI and CPL, tuning the relative heights of the different vibronic peaks, improving the agreement with the experiment for EMI. Moreover, HT effects are the main reason for the mirror-symmetry breaking between ECD and CPL spectra. Furthermore, interesting interference effects between FC and HT contributions have also been addressed.
Collapse
Affiliation(s)
- Qiushuang Xu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China; School of Physics Engineering, Qufu Normal University, 2673100 Qufu, Shandong, PR China
| | - Yanli Liu
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China.
| | - Xian Zhao
- State Key Laboratory of Crystal Materials, Shandong University, 250100 Jinan, Shandong, PR China
| | - Shenghui Chen
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Quanjing Li
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| | - Meishan Wang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China.
| | - Chuanlu Yang
- School of Physics and Optoelectronics Engineering, Ludong University, 264025 Yantai, Shandong, PR China
| |
Collapse
|
80
|
Schuster NJ, Joyce LA, Paley DW, Ng F, Steigerwald ML, Nuckolls C. The Structural Origins of Intense Circular Dichroism in a Waggling Helicene Nanoribbon. J Am Chem Soc 2020; 142:7066-7074. [DOI: 10.1021/jacs.0c00646] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Leo A. Joyce
- Department of Process Research and Development, Merck and Co., Inc., Rahway, New Jersey 07065, United States
| | | | | | | | | |
Collapse
|
81
|
Liu B, Böckmann M, Jiang W, Doltsinis NL, Wang Z. Perylene Diimide-Embedded Double [8]Helicenes. J Am Chem Soc 2020; 142:7092-7099. [PMID: 32197045 DOI: 10.1021/jacs.0c00954] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The rational design and modification of the helix is of significance for fully promoting properties of configurationally stable materials for various applications in chiral science. Herein, a straightforward, sterically less demanding synthetic approach involving hybridization between two [6]helicene subunits and a perylene diimide (PDI) scaffold are presented, affording perylene diimide-embedded double [8]helicenes (PD8Hs) which represent the highest double carbohelicenes reported thus far. Due to the structural features of PDI and [6]helicene, the PD8Hs have six stereoisomers including two pairs of enantiomers and two mesomers. Such structural diversity is unprecedented in the realm of double helicenes. The absolute configuration of these PD8Hs was unambiguously confirmed by single-crystal X-ray diffraction analyses, revealing that the subtle configurational differences lead to great variation in the superhelical structure and molecular packing arrangement. Due to the embedding of the PDI chromophore, the PD8Hs possess outstanding fluorescence quantum yields of approximately 30%. Two pairs of enantiomers were resolved by chiral HPLC, and the chiroptical properties were evaluated using circular dichroism and circularly polarized luminescence spectroscopy, of which PD8H-6R exhibited excellent chiroptical performances in both the absorption and emission ranges with dissymmetry factors |gabs| of 0.012 and |glum| of 0.002.
Collapse
Affiliation(s)
- Bo Liu
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Marcus Böckmann
- Institute for Solid State Theory and Center for Multiscale Theory & Computation, University of Muenster, Wilhelm-Klemm-Strasse 10, 48149 Muenster, Germany
| | - Wei Jiang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| | - Nikos L Doltsinis
- Institute for Solid State Theory and Center for Multiscale Theory & Computation, University of Muenster, Wilhelm-Klemm-Strasse 10, 48149 Muenster, Germany
| | - Zhaohui Wang
- Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.,Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China.,University of Chinese Academy of Sciences, Beijing 100049, China
| |
Collapse
|
82
|
Pagidi S, Kalluvettukuzhy NK, Thilagar P. Effect of Branching on the Delayed Fluorescence and Phosphorescence of Simple Borylated Arylamines. Inorg Chem 2020; 59:3142-3151. [DOI: 10.1021/acs.inorgchem.9b03446] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Sudhakar Pagidi
- Department of Inorganic and Physical Chemistry, Indian Institute of Science (IISc), Bangalore 560012, India
| | - Neena K. Kalluvettukuzhy
- Department of Inorganic and Physical Chemistry, Indian Institute of Science (IISc), Bangalore 560012, India
| | - Pakkirisamy Thilagar
- Department of Inorganic and Physical Chemistry, Indian Institute of Science (IISc), Bangalore 560012, India
| |
Collapse
|
83
|
Tian D, Li Q, Zhao Y, Wang Z, Li W, Xia S, Xing S, Zhu B, Zhang J, Cui C. Synthesis of bis-BN-Naphthalene-Fused Oxepins and Their Photoluminescence Including White-Light Emission. J Org Chem 2020; 85:526-536. [PMID: 31859499 DOI: 10.1021/acs.joc.9b02594] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A series of novel bis-BN-naphthalene-fused oxepin derivatives were synthesized via a Pd-catalyzed tandem reaction from brominated 2,1-borazaronaphthalenes and cis-bis(boryl)alkenes. X-ray crystallographic analysis revealed that bis-BN-naphthalene-fused oxepins feature a planar framework. The electronic and photophysical properties of the novel BN-naphthalene-fused oxepins were investigated by UV-vis and fluorescence spectroscopies and density functional theory (DFT) calculations, which disclosed the distinct electronic and photophysical properties of the analogous hydrocarbon system. Interestingly, dual-fluorescent emissions were observed upon dissolving N-substituted derivatives 10-14 in dimethyl sulfoxide. Tunable emission colors especially for white-light emissions can be achieved by controlling the ratio of solvents, concentration, or temperature using only a single-molecule compound.
Collapse
Affiliation(s)
- Dawei Tian
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Qian Li
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Yifan Zhao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Zijia Wang
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Wenbin Li
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Shuling Xia
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Siyang Xing
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Bolin Zhu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education (Tianjin Normal University), College of Chemistry , Tianjin Normal University , Tianjin 300387 , People's Republic of China
| | - Jianying Zhang
- State Key Laboratory of Elemento-Organic Chemistry , Cooperative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071 , China
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry , Cooperative Innovation Center of Chemical Science and Engineering (Tianjin) Nankai University , Tianjin 300071 , China
| |
Collapse
|
84
|
Muhammad Rouf A, Iqbal S, Ejaz A. Chalcogenborines and Derivatives: Probing the Origin of Relative Thermodynamic Stabilities. ChemistrySelect 2020. [DOI: 10.1002/slct.201903867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Alvi Muhammad Rouf
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Fujian Provincial Key Laboratory of Theoretical and Computational Chemistry and Department of Chemistry, College of Chemistry and Chemical EngineeringXiamen University Xiamen 361005 China
- Institute of ChemistryUniversity of the Punjab Quaid-i-Azam (New) Campus, Box 54590 Lahore Pakistan
| | - Sajid Iqbal
- Institute of ChemistryUniversity of the Punjab Quaid-i-Azam (New) Campus, Box 54590 Lahore Pakistan
| | - Anam Ejaz
- Institute of ChemistryUniversity of the Punjab Quaid-i-Azam (New) Campus, Box 54590 Lahore Pakistan
| |
Collapse
|
85
|
Sun Z, Yi C, Liang Q, Bingi C, Zhu W, Qiang P, Wu D, Zhang F. π-Extended C2-Symmetric Double NBN-Heterohelicenes with Exceptional Luminescent Properties. Org Lett 2019; 22:209-213. [DOI: 10.1021/acs.orglett.9b04167] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Zuobang Sun
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Chen Yi
- School of Materials Science and Engineering, Shanghai University, Shanghai 200072, P.R. China
| | - Qifeng Liang
- Department of Physics, Shaoxing University, Shaoxing 312000, P.R. China
| | - Chiranjeevi Bingi
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Wenqing Zhu
- School of Materials Science and Engineering, Shanghai University, Shanghai 200072, P.R. China
| | - Peirong Qiang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Dongqing Wu
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Fan Zhang
- School of Chemistry and Chemical Engineering, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| |
Collapse
|
86
|
Zhang F, Michail E, Saal F, Krause A, Ravat P. Stereospecific Synthesis and Photophysical Properties of Propeller-Shaped C 90 H 48 PAH. Chemistry 2019; 25:16241-16245. [PMID: 31742798 PMCID: PMC6972628 DOI: 10.1002/chem.201904962] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Indexed: 12/22/2022]
Abstract
Herein, we have synthesized an enantiomerically pure propeller-shaped PAH, C90 H48 , possessing three [7]helicene and three [5]helicene subunits. This compound can be obtained in gram quantities in a straightforward manner. The photophysical and chiroptical properties were investigated using UV/Vis absorption and emission, optical rotation and circular dichroism spectroscopy, supported by DFT calculations. The nonlinear optical properties were investigated by two-photon absorption measurements using linearly and circularly polarized light. The extremely twisted structure and packing of the homochiral compound were investigated by single-crystal X-ray diffraction analysis.
Collapse
Affiliation(s)
- Fangyuan Zhang
- Institute of Organic ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Evripidis Michail
- Institute of Organic ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Fridolin Saal
- Institute of Organic ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| | - Ana‐Maria Krause
- Center for Nanosystems ChemistryUniversity of WürzburgTheodor-Boveri-Weg97074WürzburgGermany
| | - Prince Ravat
- Institute of Organic ChemistryUniversity of WürzburgAm Hubland97074WürzburgGermany
| |
Collapse
|
87
|
Higashibayashi S. Synthesis and Property of Three-dimensional Curved Heterocyclic π-Electron Molecules with Embedded Nitrogen Atoms. J SYN ORG CHEM JPN 2019. [DOI: 10.5059/yukigoseikyokaishi.77.1209] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
|
88
|
Guo X, Yuan Z, Zhu Y, Li Z, Huang R, Xia Z, Zhang W, Li Y, Wang J. A Nitrogen‐Doped Hexapole [7]Helicene versus Its All‐Carbon Analogue. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201907972] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Xiaoyu Guo
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Ziyong Yuan
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Yanpeng Zhu
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Zhihao Li
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Ruikang Huang
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Zeming Xia
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Weixiong Zhang
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Yang Li
- Instrumental Analysis and Research CenterSun Yat-Sen University Guangzhou 510275 China
| | - Jiaobing Wang
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| |
Collapse
|
89
|
Guo X, Yuan Z, Zhu Y, Li Z, Huang R, Xia Z, Zhang W, Li Y, Wang J. A Nitrogen‐Doped Hexapole [7]Helicene versus Its All‐Carbon Analogue. Angew Chem Int Ed Engl 2019; 58:16966-16972. [DOI: 10.1002/anie.201907972] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Xiaoyu Guo
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Ziyong Yuan
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Yanpeng Zhu
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Zhihao Li
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Ruikang Huang
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Zeming Xia
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Weixiong Zhang
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| | - Yang Li
- Instrumental Analysis and Research CenterSun Yat-Sen University Guangzhou 510275 China
| | - Jiaobing Wang
- School of ChemistrySun Yat-Sen University Guangzhou 510275 China
| |
Collapse
|
90
|
Navakouski M, Zhylitskaya H, Chmielewski PJ, Żyła-Karwowska M, Stępień M. Electrophilic Aromatic Coupling of Hexapyrrolylbenzenes. A Mechanistic Analysis. J Org Chem 2019; 85:187-194. [DOI: 10.1021/acs.joc.9b02556] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Maksim Navakouski
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Halina Zhylitskaya
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Piotr J. Chmielewski
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Marika Żyła-Karwowska
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Marcin Stępień
- Wydział Chemii, Uniwersytet Wrocławski, ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| |
Collapse
|
91
|
Zhou Z, Wang X, Wei Z, Müllen K, Petrukhina MA. Charging OBO-Fused Double [5]Helicene with Electrons. Angew Chem Int Ed Engl 2019; 58:14969-14973. [PMID: 31430019 PMCID: PMC6916263 DOI: 10.1002/anie.201908658] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Indexed: 12/20/2022]
Abstract
Chemical reduction of OBO-fused double[5]helicene with Group 1 metals (Na and K) has been investigated for the first time. Two doubly-reduced products have been isolated and structurally characterized by single-crystal X-ray diffraction, revealing a solvent-separated ion triplet (SSIT) with Na+ ions and a contact-ion pair (CIP) with K+ ion. As the key structural outcome, the X-ray crystallographic analysis discloses the consequences of adding two electrons to the double helicene core in the SSIT without metal binding and reveals the preferential binding site in the CIP with K+ counterions. In both products, an increase in the twisting of the double helicene core upon charging was observed. The negative charge localization at the central core has been identified by theoretical calculations, which are in full agreement with X-ray crystallographic and NMR spectroscopic results. Notably, it was confirmed that the two-electron reduction of OBO-fused double[5]helicene is reversible.
Collapse
Affiliation(s)
- Zheng Zhou
- Department of ChemistryUniversity at Albany, State University of New York1400 Washington Ave.AlbanyNY12222USA
| | - Xiao‐Ye Wang
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Zheng Wei
- Department of ChemistryUniversity at Albany, State University of New York1400 Washington Ave.AlbanyNY12222USA
| | - Klaus Müllen
- Max Planck Institute for Polymer ResearchAckermannweg 1055128MainzGermany
| | - Marina A. Petrukhina
- Department of ChemistryUniversity at Albany, State University of New York1400 Washington Ave.AlbanyNY12222USA
| |
Collapse
|
92
|
Functionalization of 9-thioxanthone at the 1-position: From arylamino derivatives to [1]benzo(thio)pyrano[4,3,2-de]benzothieno[2,3-b]quinolines of biological interest. Bioorg Chem 2019; 94:103347. [PMID: 31810757 DOI: 10.1016/j.bioorg.2019.103347] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 10/03/2019] [Accepted: 10/04/2019] [Indexed: 12/24/2022]
Abstract
Original 1-amino substituted thioxanthone derivatives were easily prepared from the bare heterocycle by a deprotometalation-iodolysis-copper-catalyzed CN bond formation sequence. This last reaction delivered mono- or/and diarylated products depending on the aniline involved. 1-Amino-9-thioxanthone was also prepared and reacted with 2-iodoheterocycles. Interestingly, while 1-(arylamino)-9-thioxanthones could be isolated, their subsequent cyclization was found to deliver original hexacyclic derivatives of helicoidal nature. Evaluation of their photophysical properties revealed high fluorescence in polar media, indicating potential applications for biological imaging. These compounds being able to inhibit PIM1 kinase, their putative binding mode was examined through molecular modeling experiments. Altogether, these results tend to suggest the discovery of a new family of fluorescent PIM inhibitors and pave the way for their future rational optimization.
Collapse
|
93
|
Abstract
![]()
Nanographenes, which are defined as nanoscale (1–100 nm)
graphene cutouts, include quasi-one-dimensional graphene nanoribbons
(GNRs) and quasi-zero-dimensional graphene quantum dots (GQDs). Polycyclic
aromatic hydrocarbons (PAHs) larger than 1 nm can be viewed as GQDs
with atomically precise molecular structures and can thus be termed
nanographene molecules. As a result of quantum confinement, nanographenes
are promising for next-generation semiconductor applications with
finite band gaps, a significant advantage compared with gapless two-dimensional
graphene. Similar to the atomic doping strategy in inorganic semiconductors,
incorporation of heteroatoms into nanographenes is a viable way to
tune their optical, electronic, catalytic, and magnetic properties.
Such properties are highly dependent not only on the molecular size
and edge structure but also on the heteroatom type, doping position,
and concentration. Therefore, reliable synthetic methods are required
to precisely control these structural features. In this regard, bottom-up
organic synthesis provides an indispensable way to achieve structurally
well-defined heteroatom-doped nanographenes. Polycyclic heteroaromatic
compounds have attracted great attention
of organic chemists for decades. Research in this direction has been
further promoted by modern interest in supramolecular chemistry and
organic electronics. The rise of graphene in the 21st century has
endowed large polycyclic heteroaromatic compounds with a new role
as model systems for heteroatom-doped graphene. Heteroatom-doped nanographene
molecules are in their own right promising materials for photonic,
optoelectronic, and spintronic applications because of the extended
π conjugation. Despite the significant advances in polycyclic
heteroaromatic compounds, heteroatom-doped nanographene molecules
with sizes of over 1 nm and their relevant GNRs are still scarce. In this Account, we describe the synthesis and properties of large
heteroatom-doped nanographenes, mainly summarizing relevant advances
in our group in the past decade. We first present several examples
of heteroatom doping based on the prototypical nanographene molecule,
i.e., hexa-peri-hexabenzocoronene (HBC), including
nitrogen-doped HBC analogues by formal replacement of benzene with
other heterocycles (e.g., aromatic pyrimidine and pyrrole and antiaromatic
pyrazine) and sulfur-doped nanographene molecules via thiophene annulation.
We then introduce heteroatom-doped zigzag edges and a variety of zigzag-edged
nanographene molecules incorporating nitrogen, boron, and oxygen atoms.
We finally summarize heteroatom-doped GNRs based on the success in
the molecular cases. We hope that this Account will further stimulate
the synthesis and applications of heteroatom-doped nanographenes with
a combined effort from different disciplines.
Collapse
Affiliation(s)
- Xiao-Ye Wang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Xuelin Yao
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| | - Akimitsu Narita
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
- Organic and Carbon Nanomaterials Unit, Okinawa Institute of Science and Technology Graduate University, Okinawa 904-0495, Japan
| | - Klaus Müllen
- Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz, Germany
| |
Collapse
|
94
|
Zhou Z, Wang X, Wei Z, Müllen K, Petrukhina MA. Charging OBO‐Fused Double [5]Helicene with Electrons. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908658] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Zheng Zhou
- Department of Chemistry University at Albany, State University of New York 1400 Washington Ave. Albany NY 12222 USA
| | - Xiao‐Ye Wang
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Zheng Wei
- Department of Chemistry University at Albany, State University of New York 1400 Washington Ave. Albany NY 12222 USA
| | - Klaus Müllen
- Max Planck Institute for Polymer Research Ackermannweg 10 55128 Mainz Germany
| | - Marina A. Petrukhina
- Department of Chemistry University at Albany, State University of New York 1400 Washington Ave. Albany NY 12222 USA
| |
Collapse
|
95
|
Saito H, Yorimitsu H. Ring-expanding and Ring-opening Transformations of Benzofurans and Indoles with Introducing Heteroatoms. CHEM LETT 2019. [DOI: 10.1246/cl.190393] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Hayate Saito
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| | - Hideki Yorimitsu
- Department of Chemistry, Graduate School of Science, Kyoto University, Sakyo-ku, Kyoto 606-8502, Japan
| |
Collapse
|
96
|
Mukhopadhyay A, Jana K, Hossen T, Sahu K, Moorthy JN. Coumarin-Annelated Regioisomeric Heptahelicenes: Influence of Helicity on Excited-State Properties and Chiroptical Properties. J Org Chem 2019; 84:10658-10668. [PMID: 31389698 DOI: 10.1021/acs.joc.9b01126] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Two regioisomeric pairs of heptahelical mono- and biscoumarins that are differentiated by "inward" and "outward" disposition of the pyran-2-one moiety have been synthesized and investigated to understand the influence of helicity on excited-state and chiroptical properties. A slight variation in the helicities is found to manifest in contrasting excited-state properties of coumarin-annelated heptahelicenes; in addition to the intramolecular charge transfer, structural relaxation in the excited state is shown from theoretical calculations to cause decrease in the fluorescence quantum yield for a system with higher helicity. The optically pure enantiomers of heptahelical coumarins exhibit helicity-dependent chiroptical properties, namely, specific rotations, molar ellipticities, Cotton effects, and anisotropic dissymmetry factors. Theoretical calculations point to factors that are not readily explicable.
Collapse
Affiliation(s)
- Arindam Mukhopadhyay
- Department of Chemistry , Indian Institute of Technology , Kanpur 208016 , India
| | - Kanyashree Jana
- Department of Chemistry , Indian Institute of Technology , Kanpur 208016 , India
| | - Tousif Hossen
- Department of Chemistry , Indian Institute of Technology , Guwahati 781039 , India
| | - Kalyanasis Sahu
- Department of Chemistry , Indian Institute of Technology , Guwahati 781039 , India
| | | |
Collapse
|
97
|
Dhbaibi K, Favereau L, Crassous J. Enantioenriched Helicenes and Helicenoids Containing Main-Group Elements (B, Si, N, P). Chem Rev 2019; 119:8846-8953. [DOI: 10.1021/acs.chemrev.9b00033] [Citation(s) in RCA: 242] [Impact Index Per Article: 48.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Kais Dhbaibi
- ISCR (Institut des Sciences Chimiques de Rennes), UMR6226, CNRS, Université Rennes, F-35000 Rennes, France
- Faculty of Science of Gabès, University of Gabés, Zrig, 6072 Gabès Tunisia
| | - Ludovic Favereau
- ISCR (Institut des Sciences Chimiques de Rennes), UMR6226, CNRS, Université Rennes, F-35000 Rennes, France
| | - Jeanne Crassous
- ISCR (Institut des Sciences Chimiques de Rennes), UMR6226, CNRS, Université Rennes, F-35000 Rennes, France
| |
Collapse
|
98
|
Lin W, Wang Y, Lu H, Chen C. Helicene‐Based Illusory Chiral Supramolecular Expression of the Penrose Stairs: Chiroptical Property and Narcissistic Self‐Sorting. Eur J Inorg Chem 2019. [DOI: 10.1002/ejic.201900097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wei‐Bin Lin
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Chinese Academy of Sciences 100190 Beijing China
- University of Chinese Academy of Sciences 100049 Beijing China
| | - Yin‐Feng Wang
- University of Chinese Academy of Sciences 100049 Beijing China
| | - Hai‐Yan Lu
- University of Chinese Academy of Sciences 100049 Beijing China
| | - Chuan‐Feng Chen
- Beijing National Laboratory for Molecular Sciences CAS Key Laboratory of Molecular Recognition and Function Chinese Academy of Sciences 100190 Beijing China
- University of Chinese Academy of Sciences 100049 Beijing China
| |
Collapse
|
99
|
Pop F, Zigon N, Avarvari N. Main-Group-Based Electro- and Photoactive Chiral Materials. Chem Rev 2019; 119:8435-8478. [DOI: 10.1021/acs.chemrev.8b00770] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Flavia Pop
- Laboratoire MOLTECH-Anjou,
UMR 6200 CNRS-Université d’Angers, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers Cedex, France
| | - Nicolas Zigon
- Laboratoire MOLTECH-Anjou,
UMR 6200 CNRS-Université d’Angers, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers Cedex, France
| | - Narcis Avarvari
- Laboratoire MOLTECH-Anjou,
UMR 6200 CNRS-Université d’Angers, UFR Sciences, Bât. K, 2 Bd. Lavoisier, 49045 Angers Cedex, France
| |
Collapse
|
100
|
|