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Ikemoto K, Harada S, Yang S, Matsuno T, Isobe H. A Defective Nanotube Molecule of C 552 H 496 N 24 with Pyridinic and Pyrrolic Nitrogen Atoms. Angew Chem Int Ed Engl 2022; 61:e202114305. [PMID: 34727413 DOI: 10.1002/anie.202114305] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Indexed: 01/05/2023]
Abstract
A 3-nm molecule comprising a cylindrical core and cross-shaped rims was designed and synthesized by developing a modular synthetic route. By using a cyclic precursor from previous studies as a starting material, multiple carbazole units were installed at the rims of the defective cylinder. The defective cylinder was synthetically doped with two types of nitrogen atoms, that is, pyridinic and pyrrolic nitrogen atoms, which resulted in solvatochromic shifts in fluorescence by charge-transfer interactions. The structure of the large, C552 H496 N24 molecule was fully disclosed by crystallographic analyses, and the unique helical arrangement of nitrogen-doped cylinders in the crystal was revealed.
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Affiliation(s)
- Koki Ikemoto
- Department of Chemistry, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Shotaro Harada
- Department of Chemistry, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Seungmin Yang
- Department of Chemistry, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Taisuke Matsuno
- Department of Chemistry, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Hiroyuki Isobe
- Department of Chemistry, The University of Tokyo, Hongo 7-3-1, Bunkyo-ku, Tokyo, 113-0033, Japan
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2
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Ikemoto K, Harada S, Yang S, Matsuno T, Isobe H. A Defective Nanotube Molecule of C
552
H
496
N
24
with Pyridinic and Pyrrolic Nitrogen Atoms. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Koki Ikemoto
- Department of Chemistry The University of Tokyo Hongo 7-3-1, Bunkyo-ku Tokyo 113-0033 Japan
| | - Shotaro Harada
- Department of Chemistry The University of Tokyo Hongo 7-3-1, Bunkyo-ku Tokyo 113-0033 Japan
| | - Seungmin Yang
- Department of Chemistry The University of Tokyo Hongo 7-3-1, Bunkyo-ku Tokyo 113-0033 Japan
| | - Taisuke Matsuno
- Department of Chemistry The University of Tokyo Hongo 7-3-1, Bunkyo-ku Tokyo 113-0033 Japan
| | - Hiroyuki Isobe
- Department of Chemistry The University of Tokyo Hongo 7-3-1, Bunkyo-ku Tokyo 113-0033 Japan
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3
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Hogan DT, Dubrawski Z, Gelfand BS, Sutherland TC. High‐Fidelity Dimerization of Xanthenyl Radicals and Dynamic Qualities of a Congested Ethane: Diethyl Dixanthenyl‐9,9′‐Dicarboxylate. European J Org Chem 2021. [DOI: 10.1002/ejoc.202100913] [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)
- David T. Hogan
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
| | - Zachary Dubrawski
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
| | - Benjamin S. Gelfand
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
| | - Todd C. Sutherland
- Department of Chemistry University of Calgary 2500 University Drive NW Calgary AB T2N 1N4 Canada
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4
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Prajapati B, Dang D, Chmielewski PJ, Majewski MA, Lis T, Gómez‐García CJ, Zimmerman PM, Stępień M. An Open‐Shell Coronoid with Hybrid Chichibabin–Schlenk Conjugation. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202109273] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Bibek Prajapati
- Wydział Chemii Uniwersytet Wrocławski ul. F. Joliot-Curie 14 50-383 Wrocław Poland
| | - Duy‐Khoi Dang
- Department of Chemistry University of Michigan 930 N. University Ave Ann Arbor MI 48109 USA
| | - Piotr J. Chmielewski
- Wydział Chemii Uniwersytet Wrocławski ul. F. Joliot-Curie 14 50-383 Wrocław Poland
| | - Marcin A. Majewski
- Wydział Chemii Uniwersytet Wrocławski ul. F. Joliot-Curie 14 50-383 Wrocław Poland
| | - Tadeusz Lis
- Wydział Chemii Uniwersytet Wrocławski ul. F. Joliot-Curie 14 50-383 Wrocław Poland
| | - Carlos J. Gómez‐García
- Departamento de Química Inorgánica and Instituto de Ciencia Molecular Universidad de Valencia 46980 Paterna Spain
| | - Paul M. Zimmerman
- Department of Chemistry University of Michigan 930 N. University Ave Ann Arbor MI 48109 USA
| | - Marcin Stępień
- Wydział Chemii Uniwersytet Wrocławski ul. F. Joliot-Curie 14 50-383 Wrocław Poland
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5
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Stępień M, Prajapati B, Dang DK, Chmielewski PJ, Majewski MA, Lis T, Gómez-García CJ, Zimmerman PM. An Open-Shell Coronoid with Hybrid Chichibabin-Schlenk Conjugation. Angew Chem Int Ed Engl 2021; 60:22496-22504. [PMID: 34382721 DOI: 10.1002/anie.202109273] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 07/30/2021] [Indexed: 11/10/2022]
Abstract
A hexaradicaloid molecule with alternating Kekulé and non-Kekulé connectivities between adjacent spin centers was obtained by fusing two classic conjugation motifs, found respectively in the Chichibabin and Schlenk hydrocarbons, into a coronoid structure. 1 H NMR, ESR and SQUID experiments, combined with computational analyses reveal that the system has a singlet ground state, characterized by a significant hexaradicaloid character ( γ 0 = 0.826, γ 1 = γ 2 = 0.773). It possesses multiple thermally accessible high-spin states (up to the septet), with uniform energy gaps of ca 1.0 kcal/mol between consecutive multiplicities. In line with its open-shell character, the coronoid has a small electronic bandgap of ca. 0.8 eV and undergoes two consecutive one-electron oxidations at low potentials, yielding cationic forms with extended near-infrared absorption. The hexaradicaloid, which combines open-shell and macrocyclic contributions to its π conjugation, provides an example of a design strategy for multistate spin switches and redox-amphoteric NIR dyes.
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Affiliation(s)
- Marcin Stępień
- University of Wroclaw, Department of Chemistry, ul. F. Joliot-Curie 14, 50-383, Wroclaw, POLAND
| | | | - Duy-Khoi Dang
- University of Michigan Ann Arbor, Department of Chemistry, UNITED STATES
| | | | | | - Tadeusz Lis
- Uniwersytet Wrocławski, Wydział Chemii, POLAND
| | - Carlos J Gómez-García
- Universidad de Valencia, Departamento de Química Inorgánica and Instituto de Ciencia Molecular, SPAIN
| | - Paul M Zimmerman
- University of Michigan Ann Arbor, Department of Chemistry, UNITED STATES
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6
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Xiang Q, Xu J, Guo J, Dang Y, Xu Z, Zeng Z, Sun Z. Unveiling the Hidden σ-Dimerization of a Kinetically Protected Olympicenyl Radical. Chemistry 2021; 27:8203-8213. [PMID: 33783053 DOI: 10.1002/chem.202100631] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Indexed: 11/05/2022]
Abstract
The σ-dimer of a kinetically protected olympicenyl radical, which evaded the experimental detection, was revealed by conversion into biolympicenylidene with E-configuration in a regioselective manner. The complicated stereochemistry and energetics of the σ-dimers derived from C2v symmetry and uneven spin distribution of the olympicenyl radical were revealed by the theoretical calculations, and the energetic preference of π-dimer over σ-dimer by a minute gap was disclosed. The E-biolympicenylidene, a polycyclic ene structure previously considered as reactive intermediate in the phenalenyl radical system, exhibited exceptional stability, which allowed for a detailed investigation on its singlet diradical character and physical properties by means of X-ray crystallography, UV-vis-NIR absorption/emission spectroscopy and cyclic voltammetry, and assisted by theoretical calculations. The E-biolympicenylidene showed high resistance towards both thermal and photochemical ring-cyclization reactions, which was attributed to high activation energies for the rate-determining electrocyclization operated on both disrotatory and conrotatory mode, as well as a small spin density at the bonding sites for the radical-radical coupling process.
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Affiliation(s)
- Qin Xiang
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, 92 Weijin Road, Tianjin, 300072, P. R. China
| | - Jun Xu
- Health Science Platform, Tianjin University, 92 Weijin Road, Tianjin, 300072, P. R. China
| | - Jing Guo
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Center for Aggregation-Induced Emission, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Yanfeng Dang
- Department of Chemistry and Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University and Collaborative Innovation Center of Chemical Science and Engineering, Tianjin, 300072, P. R. China
| | - Zhanqiang Xu
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, 92 Weijin Road, Tianjin, 300072, P. R. China
| | - Zebing Zeng
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Center for Aggregation-Induced Emission, College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, P. R. China
| | - Zhe Sun
- Institute of Molecular Plus, Tianjin Key Laboratory of Molecular Optoelectronic Sciences, Tianjin University, 92 Weijin Road, Tianjin, 300072, P. R. China
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7
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Badía-Domínguez I, Peña-Álvarez M, Wang D, Pérez Guardiola A, Vida Y, Rodríguez González S, López Navarrete JT, Hernández Jolín V, Sancho García JC, García Baonza V, Nash R, Hartl F, Li H, Ruiz Delgado MC. Dynamic Covalent Properties of a Novel Indolo[3,2-b]carbazole Diradical. Chemistry 2021; 27:5509-5520. [PMID: 33474741 DOI: 10.1002/chem.202005211] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Indexed: 12/15/2022]
Abstract
This work describes the synthesis and properties of a dicyanomethylene-substituted indolo[3,2-b]carbazole diradical ICz-CN. This quinoidal system dimerises almost completely to (ICz-CN)2 , which contains two long C(sp3 )-C(sp3 ) σ-bonds between the dicyanomethylene units. The minor open-shell ICz-CN component in the solid-state mixture was identified by EPR spectroscopy. Cyclic voltammetry and UV-visible spectroelectrochemical data, as well as comparison with reference monomer ICz-Br reveal that the nature of the one-electron oxidation of (ICz-CN)2 at ambient temperature and ICz-CN at elevated temperature is very similar in all these compounds due to the prevailing localization of their HOMO on the ICz backbone. The peculiar cathodic behaviour reflects the co-existence of (ICz-CN)2 and ICz-CN. The involvement of the dicyanomethylene groups stabilizes the close-lying LUMO and LUMO+1 of (ICz-CN)2 and especially ICz-CN compared to ICz-Br, resulting in a distinctive cathodic response at low overpotentials. Differently from neutral ICz-CN, its radical anion and dianion are remarkably stable under ambient conditions. The UV/Vis(-NIR) electronic transitions in parent (ICz-CN)2 and ICz-CN and their different redox forms have been assigned convincingly with the aid of TD-DFT calculations. The σ-bond in neutral (ICz-CN)2 is cleaved in solution and in the solid-state upon soft external stimuli (temperature, pressure), showing a strong chromism from light yellow to blue-green. Notably, in the solid state, the monomeric diradical species is predominantly formed under high hydrostatic pressure (>1 GPa).
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Affiliation(s)
- Irene Badía-Domínguez
- Department of Physical Chemistry, University of Málaga, Campus de Teatinos s/n, 229071, Málaga, Spain
| | - Miriam Peña-Álvarez
- Present address: Centre for Science at Extreme Conditions & School of, Physics and Astronomy, University of Edinburgh, Edinburgh, EH9 3FD, UK.,MALTA-Consolider Team, Department of Physical Chemistry I, Chemistry Faculty, University Complutense of Madrid, 28040, Madrid, Spain
| | - Deliang Wang
- Key Laboratory of Synthetic and Self-assembly Chemistry for, Organic Functional Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
| | | | - Yolanda Vida
- Departamento de Química Orgánica, Universidad de Málaga-IBIMA, Campus de Teatinos s/n, 29071, Málaga, Spain.,Centro Andaluz de Nanomedicina y Biotecnología-BIONAND, Parque Tecnológico de Andalucía, C/ Severo Ochoa 35, 29590 Campanillas, Málaga, Spain
| | - Sandra Rodríguez González
- Department of Physical Chemistry, University of Málaga, Campus de Teatinos s/n, 229071, Málaga, Spain
| | - Juan T López Navarrete
- Department of Physical Chemistry, University of Málaga, Campus de Teatinos s/n, 229071, Málaga, Spain
| | - Víctor Hernández Jolín
- Department of Physical Chemistry, University of Málaga, Campus de Teatinos s/n, 229071, Málaga, Spain
| | - Juan C Sancho García
- Department of Physical Chemistry, University of Alicante, 03080, Alicante, Spain
| | - Valentín García Baonza
- MALTA-Consolider Team and Instituto de Geociencias IGEO (CSIC-UCM), University Complutense of Madrid, 28040, Madrid, Spain
| | - Rosie Nash
- Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 6DX, UK
| | - František Hartl
- Department of Chemistry, University of Reading, Whiteknights, Reading, RG6 6DX, UK
| | - Hongxiang Li
- Key Laboratory of Synthetic and Self-assembly Chemistry for, Organic Functional Materials, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, 200032, China
| | - M Carmen Ruiz Delgado
- Department of Physical Chemistry, University of Málaga, Campus de Teatinos s/n, 229071, Málaga, Spain
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8
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Keyzer EN, Sava A, Ronson TK, Nitschke JR, McConnell AJ. Post-Assembly Reactivity of N-Aryl Iminoboronates: Reversible Radical Coupling and Unusual B-N Dynamic Covalent Chemistry. Chemistry 2018; 24:12000-12005. [PMID: 29972260 PMCID: PMC6175077 DOI: 10.1002/chem.201802790] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 06/28/2018] [Indexed: 12/11/2022]
Abstract
Post-assembly reaction of a dynamic covalent iminoboronate system following addition of Cp2 Co resulted in the formation of a series of new reductively coupled dianionic dimers via C-C bond formation. The dimers formed as a mixture of BN-containing isomeric products: diastereomers rac5 and meso5, with coupled five-membered rings, and enantiomeric rac6, with a fused six-membered ring bicyclic system from C-C bond formation and rearrangement of the B-N bonds. Each isomer was identified using 1 H NMR spectroscopy in combination with single crystal X-ray structure determination. Interestingly, interconversion between the coupled five-membered rings (rac5 ) and fused bicyclic systems (rac6 ) was found to occur through an unprecedented breaking and reforming of the B-N covalent bond. Further, the coupled products could be converted quantitatively back to their iminoboronate precursors with addition of the electron abstractor Ph3 C+ .
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Affiliation(s)
- Evan N. Keyzer
- Department of ChemistryUniversity of CambridgeLensfield RdCambridgeCB2 1EWUK
| | - Alexandru Sava
- Department of ChemistryUniversity of CambridgeLensfield RdCambridgeCB2 1EWUK
| | - Tanya K. Ronson
- Department of ChemistryUniversity of CambridgeLensfield RdCambridgeCB2 1EWUK
| | | | - Anna J. McConnell
- Department of ChemistryUniversity of CambridgeLensfield RdCambridgeCB2 1EWUK
- Otto Diels Institute of Organic ChemistryUniversity of Kiel24118KielGermany
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9
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Yuan L, Han Y, Tao T, Phan H, Chi C. Formation of a Macrocycles-in-a-Macrocycle Superstructure with All-gauche
Conformation by Reversible Radical Association. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804720] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Liu Yuan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Yi Han
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Tao Tao
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
- School of Environmental Science and Engineering; Nanjing University of Information Science & Technology; Nanjing 210044 P. R. China
| | - Hoa Phan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Chunyan Chi
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
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10
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Yuan L, Han Y, Tao T, Phan H, Chi C. Formation of a Macrocycles-in-a-Macrocycle Superstructure with All-gauche
Conformation by Reversible Radical Association. Angew Chem Int Ed Engl 2018; 57:9023-9027. [DOI: 10.1002/anie.201804720] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Liu Yuan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Yi Han
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Tao Tao
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
- School of Environmental Science and Engineering; Nanjing University of Information Science & Technology; Nanjing 210044 P. R. China
| | - Hoa Phan
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
| | - Chunyan Chi
- Department of Chemistry; National University of Singapore; 3 Science Drive 3 117543 Singapore Singapore
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11
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Liu B, Yoshida T, Li X, Stępień M, Shinokubo H, Chmielewski PJ. Reversible Carbon-Carbon Bond Breaking and Spin Equilibria in Bis(pyrimidinenorcorrole). Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201607237] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Bin Liu
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecules; Ministry of Education; School of Chemistry and Chemical Engineering; Hunan University of Science and Technology; Xiangtan Hunan 411201 China
| | - Takuya Yoshida
- Department of Applied Chemistry; Graduate School of Engineering; Nagoya University; Nagoya 464-8603 Japan
| | - Xiaofang Li
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecules; Ministry of Education; School of Chemistry and Chemical Engineering; Hunan University of Science and Technology; Xiangtan Hunan 411201 China
| | - Marcin Stępień
- Department of Chemistry; University of Wrocław; F. Joliot-Curie 14 50383 Wrocław Poland
| | - Hiroshi Shinokubo
- Department of Applied Chemistry; Graduate School of Engineering; Nagoya University; Nagoya 464-8603 Japan
| | - Piotr J. Chmielewski
- Department of Chemistry; University of Wrocław; F. Joliot-Curie 14 50383 Wrocław Poland
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12
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Liu B, Yoshida T, Li X, Stępień M, Shinokubo H, Chmielewski PJ. Reversible Carbon-Carbon Bond Breaking and Spin Equilibria in Bis(pyrimidinenorcorrole). Angew Chem Int Ed Engl 2016; 55:13142-13146. [DOI: 10.1002/anie.201607237] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Indexed: 01/18/2023]
Affiliation(s)
- Bin Liu
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecules; Ministry of Education; School of Chemistry and Chemical Engineering; Hunan University of Science and Technology; Xiangtan Hunan 411201 China
| | - Takuya Yoshida
- Department of Applied Chemistry; Graduate School of Engineering; Nagoya University; Nagoya 464-8603 Japan
| | - Xiaofang Li
- Key Laboratory of Theoretical Organic Chemistry and Functional Molecules; Ministry of Education; School of Chemistry and Chemical Engineering; Hunan University of Science and Technology; Xiangtan Hunan 411201 China
| | - Marcin Stępień
- Department of Chemistry; University of Wrocław; F. Joliot-Curie 14 50383 Wrocław Poland
| | - Hiroshi Shinokubo
- Department of Applied Chemistry; Graduate School of Engineering; Nagoya University; Nagoya 464-8603 Japan
| | - Piotr J. Chmielewski
- Department of Chemistry; University of Wrocław; F. Joliot-Curie 14 50383 Wrocław Poland
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13
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Kobashi T, Sakamaki D, Seki S. N-Substituted Dicyanomethylphenyl Radicals: Dynamic Covalent Properties and Formation of Stimuli-Responsive Cyclophanes by Self-Assembly. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201603409] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Toshiyuki Kobashi
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku Kyoto 615-8510 Japan
| | - Daisuke Sakamaki
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku Kyoto 615-8510 Japan
| | - Shu Seki
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku Kyoto 615-8510 Japan
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14
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Kobashi T, Sakamaki D, Seki S. N-Substituted Dicyanomethylphenyl Radicals: Dynamic Covalent Properties and Formation of Stimuli-Responsive Cyclophanes by Self-Assembly. Angew Chem Int Ed Engl 2016; 55:8634-8. [DOI: 10.1002/anie.201603409] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Toshiyuki Kobashi
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku Kyoto 615-8510 Japan
| | - Daisuke Sakamaki
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku Kyoto 615-8510 Japan
| | - Shu Seki
- Department of Molecular Engineering; Graduate School of Engineering; Kyoto University; Nishikyo-ku Kyoto 615-8510 Japan
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15
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Yamamoto Y, Wakamatsu K, Iwanaga T, Sato H, Toyota S. Macrocyclic 2,7-Anthrylene Oligomers. Chem Asian J 2016; 11:1370-5. [DOI: 10.1002/asia.201600230] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Yuta Yamamoto
- Department of Chemistry, Faculty of Science; Okayama University of Science; 1-1 Ridaicho, Kita-ku Okayama 700-0005 Japan
| | - Kan Wakamatsu
- Department of Chemistry, Faculty of Science; Okayama University of Science; 1-1 Ridaicho, Kita-ku Okayama 700-0005 Japan
| | - Tetsuo Iwanaga
- Department of Chemistry, Faculty of Science; Okayama University of Science; 1-1 Ridaicho, Kita-ku Okayama 700-0005 Japan
| | - Hiroyasu Sato
- X-ray Research Laboratory; Rigaku Corporation; 3-9-12 Matubaracho, Akishima Tokyo 196-8666 Japan
| | - Shinji Toyota
- Department of Chemistry and Materials Science; Tokyo Institute of Technology; 2-12-1 Ookayama, Meguro-ku Tokyo 152-8551 Japan
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