1
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Xue S, Tkachenko NV, Wu F, Lv X, Liu N, Muñoz-Castro A, Ueno S, Matsuo K, Kuzuhara D, Aratani N, Shen Z, Yamada H, Boldyrev AI, Qiu F. Conflicting Aromaticity in Trirhodium(I) Rosarin. Inorg Chem 2024; 63:11494-11500. [PMID: 38838269 DOI: 10.1021/acs.inorgchem.4c01781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2024]
Abstract
Aromaticity is one of the most important and widely used concepts in chemistry. Among the various experimentally discovered and theoretically predicted compounds that possess different types of aromaticity, conflicting aromaticity, where aromatic and antiaromatic electron delocalization is present in one molecule simultaneously, remains one of the most controversial and elusive concepts, although theoretically predicted 15 years ago. In this work, we synthesized a novel conflicting aromatic trirhodium complex that contains a σ-aromatic metal fragment surrounded by the π-antiaromatic organic ligand and characterized it by nuclear magnetic resonance spectroscopy, high-resolution mass spectrometry, and X-ray single crystal structure analysis. Experimental characterization and quantum chemical calculations confirm the unique conflicting aromaticity of the synthesized trirhodium molecule. Thus, this novel conflicting aromatic molecule expands the family of aromatic compounds. This discovery will enable researchers to develop and understand the phenomena of conflicting aromaticity in chemistry.
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Affiliation(s)
- Songlin Xue
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Nikolay V Tkachenko
- Department of Chemistry and Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
| | - Fan Wu
- School of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China
| | - Xiaojuan Lv
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Ningchao Liu
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
| | - Alvaro Muñoz-Castro
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Bellavista 7, Santiago 8420524, Chile
| | - So Ueno
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Nara 630-0192, Japan
| | - Kyohei Matsuo
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Nara 630-0192, Japan
| | - Daiki Kuzuhara
- Faculty of Science and Engineering, Iwate University, 4-3-5 Ueda, Morioka 020-8551, Japan
| | - Naoki Aratani
- Division of Materials Science, Nara Institute of Science and Technology, 8916-5 Takayama-cho, Nara 630-0192, Japan
| | - Zhen Shen
- State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Hiroko Yamada
- Institute for Chemical Research, Kyoto University, Gokasho, Uji, Kyoto 611-0011, Japan
| | - Alexander I Boldyrev
- Department of Chemistry and Biochemistry, Utah State University, 0300 Old Main Hill, Logan, Utah 84322-0300, United States
| | - Fengxian Qiu
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Road, Zhenjiang 212013, China
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2
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Basumatary B, Tsuruda H, Szczepanik DW, Lee J, Ryu J, Mori S, Yamagata K, Tanaka T, Muranaka A, Uchiyama M, Kim J, Ishida M, Furuta H. Metalla-Carbaporphyrinoids Consisting of an Acyclic N-Confused Tetrapyrrole Analogue Served as Stable Near-Infrared-II Dyes. Angew Chem Int Ed Engl 2024; 63:e202405059. [PMID: 38563771 DOI: 10.1002/anie.202405059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 04/02/2024] [Accepted: 04/02/2024] [Indexed: 04/04/2024]
Abstract
We present herein the synthesis of novel pseudo-metalla-carbaporphyrinoid species (1M: M=Pd and Pt) achieved through the inner coordination of palladium(II) and platinum(II) with an acyclic N-confused tetrapyrrin analogue. Despite their tetrapyrrole frameworks being small, akin to well-known porphyrins, these species exhibit an unusually narrow HOMO-LUMO gap, resulting in an unprecedentedly low-energy absorption in the second near-infrared (NIR-II) region. Density functional theory (DFT) calculations revealed unique dπ-pπ-conjugated electronic structures involving the metal dπ-ligand pπ hybridized molecular orbitals of 1M. Magnetic circular dichroism (MCD) spectroscopy confirmed distinct electronic structures. Remarkably, the complexes feature an open-metal coordination site in the peripheral NN dipyrrin site, forming hetero-metal complexes (1Pd-BF2 and 1Pt-BF2) through boron difluoride complexation. The resulting hetero metalla-carbaporphyrinoid species displayed further redshifted NIR-II absorption, highly efficient photothermal conversion efficiencies (η; 62-65 %), and exceptional photostability. Despite the challenges associated with the theoretical and experimental assessment of dπ-pπ-conjugated metalla-aromaticity in relatively larger (more than 18π electrons) polycyclic ring systems, these organometallic planar tetrapyrrole systems could serve as potential molecular platforms for aromaticity-relevant NIR-II dyes.
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Affiliation(s)
- Biju Basumatary
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
| | - Hidetoshi Tsuruda
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
| | - Dariusz W Szczepanik
- Department of Theoretical Chemistry, Jagiellonian University, Faculty of Chemistry, Gronostajowa 2, 30-387, Krakow, Poland
| | - Jiyeon Lee
- School of Integrated Technology, College of Computing, Integrated Science and Engineering Division, Underwood International College, Integrative Biotechnology and Translational Medicine, Graduate School, Yonsei University, Incheon, 21983, Korea
| | - Jaehyeok Ryu
- School of Integrated Technology, College of Computing, Integrated Science and Engineering Division, Underwood International College, Integrative Biotechnology and Translational Medicine, Graduate School, Yonsei University, Incheon, 21983, Korea
| | - Shigeki Mori
- Advanced Research Support Center, Ehime University, Matsuyama, 790-8577, Japan
| | - Kyo Yamagata
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8195, Japan
| | - Takayuki Tanaka
- Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8195, Japan
| | - Atsuya Muranaka
- Molecular Structure Characterization Unit, RIKEN Center for Sustainable Resource Science, 2-1 Hirosawa, Wako, Saitama, 351-0198, Japan
| | - Masanobu Uchiyama
- Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, 113-0033, Japan
| | - Jiwon Kim
- School of Integrated Technology, College of Computing, Integrated Science and Engineering Division, Underwood International College, Integrative Biotechnology and Translational Medicine, Graduate School, Yonsei University, Incheon, 21983, Korea
| | - Masatoshi Ishida
- Department of Chemistry, Graduate School of Sciences, Tokyo Metropolitan University, Hachioji, 192-0397, Japan
| | - Hiroyuki Furuta
- Department of Applied Chemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
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3
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Wang K, Ito S, Ren S, Shimizu D, Fukui N, Kishi R, Liu Q, Osuka A, Song J, Shinokubo H. A Triply Linked Porphyrin-Norcorrole Hybrid with Singlet Diradical Character. Angew Chem Int Ed Engl 2024; 63:e202401233. [PMID: 38251909 DOI: 10.1002/anie.202401233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 01/22/2024] [Accepted: 01/22/2024] [Indexed: 01/23/2024]
Abstract
Norcorrole Ni(II) complexes have recently received considerable attention because they are readily accessible antiaromatic molecules. Their high stability under ambient conditions and ease of synthesis have enabled the exploration of the intrinsic properties of antiaromatic molecules. Here, we report the synthesis and properties of meso-meso singly linked porphyrin-norcorrole hybrids and a triply linked porphyrin-norcorrole hybrid. The singly linked and triply linked porphyrin-norcorrole hybrids were fully characterized, including an X-ray structural analysis. Due to their orthogonal conformation, the singly linked hybrids maintain the individual electronic properties of their porphyrin and norcorrole subunits, while the triply linked hybrid shows a significantly smaller electrochemical HOMO-LUMO gap (0.45 eV) than that of Ni(II) dimesitylnorcorrole (1.08 eV). Furthermore, the triply linked hybrid exhibits singlet diradical characteristics, as confirmed by VT NMR, ESR, and SQUID experiments.
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Affiliation(s)
- Kaisheng Wang
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
| | - Satoru Ito
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
| | - Shuang Ren
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha, 410082, China
| | - Daiki Shimizu
- Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Norihito Fukui
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
- PRESTO, Japan Science and Technology Agency (JST), Kawaguchi, Saitama, 332-0012, Japan
| | - Ryohei Kishi
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Qiang Liu
- College of Chemistry and Chemical Engineering, Advanced Catalytic Engineering Research Center of the Ministry of Education, Hunan University, Changsha, 410082, China
| | - Atsuhiro Osuka
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, China
| | - Jianxin Song
- Key Laboratory of Chemical Biology and Traditional Chinese Medicine, Ministry of Educational of China, Key Laboratory of the Assembly and Application of Organic Functional Molecules of Hunan Province, College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, China
| | - Hiroshi Shinokubo
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi, 464-8603, Japan
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4
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Li S, Sun Y, Li X, Smaga O, Koniarz S, Stępień M, Chmielewski PJ. 1,3-Dipolar cycloaddition of polycyclic azomethine ylide to norcorroles: towards dibenzoullazine-fused derivatives. Chem Commun (Camb) 2022; 58:6510-6513. [PMID: 35575428 DOI: 10.1039/d2cc02071h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A 1,3-cycloaddition reaction of 2-(tert-butyl)-8H-isoquinolino[4,3,2-de]phenanthridin-9-ium chloride to NiII norcorrole in the presence of base is shown to produce a family of chiral derivatives of polycyclic system(s) fused with pyrrole subunit(s) of the macrocycle. Dehydrogenation of the cycloaddition products gave rise to dibenzoullazine ortho-fused antiaromatic porphyrinoids.
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Affiliation(s)
- Sha 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.
| | - Yahan Sun
- 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.
| | - 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.
| | - Oskar Smaga
- Department of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50 383 Wrocław, Poland.
| | - Sebastian Koniarz
- Department of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50 383 Wrocław, Poland.
| | - Marcin Stępień
- Department of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50 383 Wrocław, Poland.
| | - Piotr J Chmielewski
- Department of Chemistry, University of Wrocław, F. Joliot-Curie 14, 50 383 Wrocław, Poland.
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5
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Ukai S, Takamatsu A, Nobuoka M, Tsutsui Y, Fukui N, Ogi S, Seki S, Yamaguchi S, Shinokubo H. A Supramolecular Polymer Constituted of Antiaromatic Ni
II
Norcorroles. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202114230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Shusaku Ukai
- Department of Molecular and Macromolecular Chemistry Graduate School of Engineering Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
| | - Aiko Takamatsu
- Department of Chemistry Graduate School of Science Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
| | - Masaki Nobuoka
- Department of Molecular Engineering Graduate School of, Engineering Kyoto University, Nishikyo-ku Kyoto 615-8510 Japan
| | - Yusuke Tsutsui
- Department of Molecular Engineering Graduate School of, Engineering Kyoto University, Nishikyo-ku Kyoto 615-8510 Japan
| | - Norihito Fukui
- Department of Molecular and Macromolecular Chemistry Graduate School of Engineering Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
| | - Soichiro Ogi
- Department of Chemistry Graduate School of Science Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
| | - Shu Seki
- Department of Molecular Engineering Graduate School of, Engineering Kyoto University, Nishikyo-ku Kyoto 615-8510 Japan
| | - Shigehiro Yamaguchi
- Department of Chemistry Graduate School of Science Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8602 Japan
- Institute of Transformative Bio-Molecules (WPI-ITbM) Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8601 Japan
| | - Hiroshi Shinokubo
- Department of Molecular and Macromolecular Chemistry Graduate School of Engineering Nagoya University, Furo-cho, Chikusa-ku Nagoya 464-8603 Japan
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6
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Li S, Sun Y, Meng Y, Li X, Zhang S. Progress in the Synthesis and Derivatization of Norcorrole. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202202039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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7
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Ukai S, Takamatsu A, Nobuoka M, Tsutsui Y, Fukui N, Ogi S, Seki S, Yamaguchi S, Shinokubo H. A Supramolecular Polymer Constituted of Antiaromatic Ni II Norcorroles. Angew Chem Int Ed Engl 2021; 61:e202114230. [PMID: 34862699 DOI: 10.1002/anie.202114230] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Indexed: 11/10/2022]
Abstract
For the creation of next-generation organic electronic materials, the integration of π-systems has recently become a central theme. Such functional materials can be assembled by supramolecular polymerization when aromatic π-systems are used as monomers, and the properties of the resulting supramolecular polymer strongly depend on the electronic structure of the monomers. Here, we demonstrate the construction of a supramolecular polymer consisting of an antiaromatic π-system as the monomer. An amide-functionalized NiII norcorrole derivative formed a one-dimensional supramolecular polymer through π-π stacking and hydrogen-bonding interactions, ensuring the persistency of the conducting pathway against thermal perturbation, which results in higher charge mobility along the tightly bound linear aggregates than that of the aromatic analogue composed of ZnII porphyrins.
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Affiliation(s)
- Shusaku Ukai
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Aiko Takamatsu
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan
| | - Masaki Nobuoka
- Department of Molecular Engineering, Graduate School of, Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Yusuke Tsutsui
- Department of Molecular Engineering, Graduate School of, Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Norihito Fukui
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Soichiro Ogi
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan
| | - Shu Seki
- Department of Molecular Engineering, Graduate School of, Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan
| | - Shigehiro Yamaguchi
- Department of Chemistry, Graduate School of Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8602, Japan.,Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8601, Japan
| | - Hiroshi Shinokubo
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
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8
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Usuba J, Fukazawa A. Thiophene-Fused 1,4-Diazapentalene: A Stable C=N-Containing π-Conjugated System with Restored Antiaromaticity. Chemistry 2021; 27:16127-16134. [PMID: 34605567 DOI: 10.1002/chem.202103122] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Indexed: 11/07/2022]
Abstract
A thiophene-fused 1,4-diazapentalene (TAP) was rationally designed and synthesized as a C=N-containing 4n π-electron system that exhibits restored antiaromaticity impaired by the doping with C=N bonds. X-ray crystallographic analysis and quantum chemical calculations revealed that the annulation of thiophene rings with the 1,4-diazapentalene moiety resulted in a much higher antiaromaticity than the pristine 1,4-diazapentalene. These effects can be ascribed to the reduced bond alternation of the eight-membered-ring periphery caused by stabilization of the less-stable bond-shifted resonance structure upon increasing the degree of substitution of imine moieties. Consequently, TAP underwent facile hydrogenation even under mild conditions because of its pronounced antiaromaticity and the high aromaticity of the corresponding hydrogenated product H2 -TAP. In addition, the electrophilic C=N moieties in TAP led to the formation of a dense π-stacked structure. These results highlight the effect of partial replacement of C=C bonds with C=N bonds in antiaromatic π-electron systems.
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Affiliation(s)
- Junichi Usuba
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Institute for Advanced Study, Kyoto University Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan.,Department of Chemistry Graduate School of Science, Nagoya University Furo, Chikusa, Nagoya, 464-8602, Japan
| | - Aiko Fukazawa
- Institute for Integrated Cell-Material Sciences (WPI-iCeMS) Institute for Advanced Study, Kyoto University Yoshida, Sakyo-ku, Kyoto, 606-8501, Japan
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9
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Sugano Y, Matsuo K, Hayashi H, Aratani N, Yamada H. Synthesis of 10,20-substituted tetrabenzo-5,15-diazaporphyrin copper complexes from soluble precursors. J PORPHYR PHTHALOCYA 2021. [DOI: 10.1142/s1088424621501194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
We report improved synthesis of the bicyclo[2.2.2]octadiene(BCOD)-fused 5,15-diazaporphyrin and meso-substituted derivatives by metal-template aza-annulation reaction. The obtained compounds act as the soluble precursors of tetrabenzo-5,15-diazaporphyrin (TBDAP) by thermal conversion. The substituents at meso-positions make significant differences in the optical properties and morphology in the thin film upon thermal conversion.
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Affiliation(s)
- Yuki Sugano
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Kyohei Matsuo
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Hironobu Hayashi
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Naoki Aratani
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Hiroko Yamada
- Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), 8916-5 Takayama-cho, Ikoma, Nara 630-0192, Japan
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10
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Konishi A, Horii K, Iwasa H, Okada Y, Kishi R, Nakano M, Yasuda M. Characterization of Benzo[a]naphtho[2,3-f]pentalene: Interrelation between Open-shell and Antiaromatic Characters Governed by Mode of the Quinoidal Subunit and Molecular Symmetry. Chem Asian J 2021; 16:1553-1561. [PMID: 33861497 DOI: 10.1002/asia.202100398] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Indexed: 12/18/2022]
Abstract
The singlet open-shell character and antiaromaticity are intriguing features in π-conjugated carbocycles. These two exhibit similar chemical and physical properties. However, they rarely coexist in the same molecule. Understanding the interrelation between the open-shell and antiaromatic characteristics in the same molecule is crucial to control the electronic properties. Herein we describe the synthesis and characterization of a new member of diareno[a,f]pentalene, benzo[a]naphtho[2,3-f]pentalene 6. Unlike its isomer 5 with a closed-shell ground state, 6 exhibits an appreciable open-shell character and a moderate antiaromatic feature. The behaviors of the open-shell index (y0 ) against the difference of the proton chemical signal (Δδ(H1 )) between pentalenide dianions/neutral pentalenes for our reported pentalenes 1, 4, 5, and 6 give a thought-provoking conclusion about the interrelation between open-shell and antiaromatic characteristics in this series. The mode of the incorporated quinoidal moiety and the formal molecular symmetry are critical to balance these two characteristics.
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Affiliation(s)
- Akihito Konishi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka, 565-0871, Japan
| | - Koki Horii
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Haruna Iwasa
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Yui Okada
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan
| | - Ryohei Kishi
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.,Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary Research Initiatives (QIQB-OTRI), Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Masayoshi Nakano
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka, 565-0871, Japan.,Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka, 560-0043, Japan.,Center for Quantum Information and Quantum Biology, Institute for Open and Transdisciplinary Research Initiatives (QIQB-OTRI), Osaka University, Toyonaka, Osaka, 560-8531, Japan.,Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka, 560-8531, Japan
| | - Makoto Yasuda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka, 565-0871, Japan.,Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka, 565-0871, Japan
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11
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Li S, Smaga O, Sun Y, Li X, Pawlicki M, Sukniewicz M, Chmielewski PJ. Friedel–Crafts acylation of antiaromatic norcorroles: electronic and steric modulation of the paratropic current. Org Chem Front 2021. [DOI: 10.1039/d1qo00621e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The first ever Friedel–Crafts acylation of an antiaromatic macrocycle was performed for norcorrolatonickel(ii) reacting with aromatic or aliphatic carboxylic acid chlorides in the presence of AlCl3.
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Affiliation(s)
- Sha 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
| | - Oskar Smaga
- Department of Chemistry
- University of Wrocław
- 50 383 Wrocław
- Poland
| | - Yahan Sun
- 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
| | - 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
| | - Miłosz Pawlicki
- Department of Chemistry
- University of Wrocław
- 50 383 Wrocław
- Poland
- Department of Chemistry
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12
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Abstract
Magnetic shielding studies demonstrate that nickel norcorrole (NiNc) and norcorrole (H2Nc) provide unusual examples of stable molecules with high antagonistic levels of antiaromaticity and aromaticity: Both incorporate an antiaromatic "core", a 14-membered cyclic conjugated subsystem with 16 π electrons, surrounded by an aromatic "halo" in the form of a ring of either 14 atoms and 14 π electrons with a new type of homoconjugation (NiNc), or 18 atoms with 18 π electrons (H2Nc).
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Affiliation(s)
- Peter B Karadakov
- Department of Chemistry, University of York, Heslington, York YO10 5DD, U.K
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13
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Yamada H, Kuzuhara D, Suzuki M, Hayashi H, Aratani N. Synthesis and Morphological Control of Organic Semiconducting Materials Using the Precursor Approach. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2020. [DOI: 10.1246/bcsj.20200130] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Hiroko Yamada
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Daiki Kuzuhara
- Faculty of Science and Engineering, Iwate University, 4-3-5 Ueda, Morioka, Iwate 020-8551, Japan
| | - Mitsuharu Suzuki
- Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Hironobu Hayashi
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama-cho, Ikoma, Nara 630-0192, Japan
| | - Naoki Aratani
- Graduate School of Science and Technology, Nara Institute of Science and Technology, 8916-5, Takayama-cho, Ikoma, Nara 630-0192, Japan
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14
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Dressler JJ, Barker JE, Karas LJ, Hashimoto HE, Kishi R, Zakharov LN, MacMillan SN, Gomez-Garcia CJ, Nakano M, Wu JI, Haley MM. Late-Stage Modification of Electronic Properties of Antiaromatic and Diradicaloid Indeno[1,2-b]fluorene Analogues via Sulfur Oxidation. J Org Chem 2020; 85:10846-10857. [DOI: 10.1021/acs.joc.0c01387] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
| | | | - Lucas J. Karas
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | | | - Ryohei Kishi
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Lev N. Zakharov
- CAMCOR, University of Oregon, Eugene, Oregon 97403-1433, United States
| | - Samantha N. MacMillan
- Department of Chemistry & Chemical Biology, Cornell University, Ithaca, New York 14853, United States
| | - Carlos J. Gomez-Garcia
- Department of Inorganic Chemistry and Instituto de Ciencia Molecular, Universidad de Valencia, Paterna 46980, Spain
| | - Masayoshi Nakano
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
- Center for Spintronics Research Network, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
- Quantum Information and Quantum Biology Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Judy I. Wu
- Department of Chemistry, University of Houston, Houston, Texas 77204, United States
| | - Michael M. Haley
- Phil and Penny Knight Campus for Accelerating Scientific Impact, University of Oregon, Eugene, Oregon 97403-6231, United States
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15
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Fu Y, Liu X, Li C, Tong Z, Baryshnikov G, Ågren H, Li Q, Xie Y. Rational Synthesis of 5,5,5-Tricyclic Fused Thia-heptaphyrin (1.1.1.1.1.1.0) From a Helical Oligopyrrin Hybrid. Chem Asian J 2020; 15:1285-1289. [PMID: 32128999 DOI: 10.1002/asia.202000100] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 02/15/2020] [Indexed: 11/11/2022]
Abstract
Oxidation of a thiophene-hexapyrrane hybrid S-P6 afforded a stable conjugated open-chain thiaheptapyrrolic helix 1 with the terminal thiophene and confused pyrrole units lying at a long distance that is adverse for further cyclization. Chelation of 1 with copper(II) ion afforded 1-Cu, which exhibits more distant terminal units. Interestingly, further oxidation of 1 triggered an intramolecular C-N fusion reaction to afford a unique 5,5,5-tricyclic fused linear thiaheptapyrrin 2, with the two terminals positioned in proximity, which favors the oxidative ring-closure reaction to give a unique 5,5,5-tricyclic fused thiaheptaphyrin (1.1.1.1.1.1.0) 3 under air. The inner-fusion strategy for positioning the reactive sites in proximity to promote oxidative cyclization offers a new approach for constructing large porphyrinoids through conjugated oligopyrrins without the assistance of metal ions.
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Affiliation(s)
- Yating Fu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Xiujun Liu
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Chengjie Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Zhangfa Tong
- Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P.R. China
| | - Glib Baryshnikov
- Department of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691, Stockholm, Sweden
| | - Hans Ågren
- Department of Theoretical Chemistry and Biology, School of Biotechnology, KTH Royal Institute of Technology, SE-10691, Stockholm, Sweden
| | - Qizhao Li
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, P.R. China
| | - Yongshu Xie
- Key Laboratory for Advanced Materials and Institute of Fine Chemicals, Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science & Technology, 130 Meilong Road, Shanghai, 200237, P.R. China.,Guangxi Key Laboratory of Petrochemical Resource Processing and Process Intensification Technology, School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, P.R. China
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16
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Szyszko B, Dróżdż D, Sarwa A, Mucha SG, Białońska A, Białek MJ, Matczyszyn K, Latos-Grażyński L. An exocyclic π-system extension of the phenanthriporphyrin framework: towards azaaceneporphyrinoids. Org Chem Front 2020. [DOI: 10.1039/d0qo00436g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An exocyclic π-extension of phenanthriporphyrin reduces the macrocyclic antiaromaticity of the formed expanded carbaporphyrinoids.
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Affiliation(s)
- Bartosz Szyszko
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Damian Dróżdż
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Aleksandra Sarwa
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Sebastian G. Mucha
- Laboratoire Charles Coulomb
- UMR5221
- University of Montpellier – CNRS
- Montpellier
- France
| | - Agata Białońska
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Michał J. Białek
- Department of Chemistry
- University of Wrocław
- 50-383 Wrocław
- Poland
| | - Katarzyna Matczyszyn
- Advanced Materials Engineering and Modelling Group
- Faculty of Chemistry
- Wroclaw University of Science and Technology
- 50-370 Wrocław
- Poland
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17
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Ren D, Koniarz S, Li X, Chmielewski PJ. First imidazole-fused carbaporphyrinoid and its conversion to a N-heterocyclic carbene precursor. Chem Commun (Camb) 2020; 56:4836-4839. [PMID: 32236247 DOI: 10.1039/d0cc01013h] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of novel imidazole-fused carbaporphyrinoids were obtained by a surprisingly simple approach by exploiting the reaction of tosylmethylisocyanide (TOSMIC) with readily obtainable 2-aza-21-carbaporphyrins. A facile methylation of silver(iii) complexes of these fused systems leads to cationic N-heterocyclic carbene precursors.
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Affiliation(s)
- Demin Ren
- 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.
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18
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Three-dimensional aromaticity in an antiaromatic cyclophane. Nat Commun 2019; 10:3576. [PMID: 31395873 PMCID: PMC6687811 DOI: 10.1038/s41467-019-11467-4] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 07/15/2019] [Indexed: 12/22/2022] Open
Abstract
Understanding of interactions among molecules is essential to elucidate the binding of pharmaceuticals on receptors, the mechanism of protein folding and self-assembling of organic molecules. While interactions between two aromatic molecules have been examined extensively, little is known about the interactions between two antiaromatic molecules. Theoretical investigations have predicted that antiaromatic molecules should be stabilized when they stack with each other by attractive intermolecular interactions. Here, we report the synthesis of a cyclophane, in which two antiaromatic porphyrin moieties adopt a stacked face-to-face geometry with a distance shorter than the sum of the van der Waals radii of the atoms involved. The aromaticity in this cyclophane has been examined experimentally and theoretically. This cyclophane exhibits three-dimensional spatial current channels between the two subunits, which corroborates the existence of attractive interactions between two antiaromatic π-systems. Little is known about interactions between two antiaromatic molecules. Here, the authors synthesised a cyclophane, in which two antiaromatic porphyrin moieties adopt a stacked face-to-face geometry with a distance shorter than the sum of the van der Waals radii of the atoms involved.
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19
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Chan JYM, Kawata T, Kobayashi N, Ng DKP. Boron(III) Carbazosubphthalocyanines: Core-Expanded Antiaromatic Boron(III) Subphthalocyanine Analogues. Angew Chem Int Ed Engl 2019; 58:2272-2277. [PMID: 30600889 DOI: 10.1002/anie.201811420] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Revised: 12/07/2018] [Indexed: 11/08/2022]
Abstract
Condensation of 1,8-diamino-3,6-dichlorocarbazole with a series of disubstituted 1,3-diiminoisoindolines, followed by treatment with BF3 ⋅OEt2 led to the formation of the corresponding core-expanded boron(III) subphthalocyanine analogues. These air-stable π-conjugated boron(III) carbazosubphthalocyanines possess two boron-containing seven-membered-ring units and a 16 π-electron skeleton, and represent the first examples of antiaromatic boron(III) subphthalocyanine analogues as supported by spectroscopic and theoretical studies. The molecular structure of one of these compounds was unambiguously determined by single-crystal X-ray diffraction analysis. In contrast to typical boron(III) subphthalocyanines, which adopt a cone-shaped structure, the π skeleton of this compound is almost planar.
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Affiliation(s)
- Joseph Y M Chan
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
| | - Takahiro Kawata
- Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda, 386-8567, Japan
| | - Nagao Kobayashi
- Department of Chemistry and Materials, Faculty of Textile Science and Technology, Shinshu University, Ueda, 386-8567, Japan
| | - Dennis K P Ng
- Department of Chemistry, The Chinese University of Hong Kong, Shatin, N.T., Hong Kong, China
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20
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Chan JYM, Kawata T, Kobayashi N, Ng DKP. Boron(III) Carbazosubphthalocyanines: Core-Expanded Antiaromatic Boron(III) Subphthalocyanine Analogues. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811420] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Joseph Y. M. Chan
- Department of Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
| | - Takahiro Kawata
- Department of Chemistry and Materials; Faculty of Textile Science and Technology; Shinshu University; Ueda 386-8567 Japan
| | - Nagao Kobayashi
- Department of Chemistry and Materials; Faculty of Textile Science and Technology; Shinshu University; Ueda 386-8567 Japan
| | - Dennis K. P. Ng
- Department of Chemistry; The Chinese University of Hong Kong; Shatin, N.T. Hong Kong China
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21
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Ren D, Fu X, Li X, Koniarz S, Chmielewski PJ. Reaction of antiaromatic porphyrinoid with active methylene compounds. Org Chem Front 2019. [DOI: 10.1039/c9qo00679f] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Antiaromatic norcorrolatonickel(ii) reacts regioselectively under basic conditions with active methylene compounds, yielding mono-substituted derivatives in which spectroscopic and redox properties of the starting macrocycle are retained.
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Affiliation(s)
- Demin Ren
- 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
| | - Xinliang Fu
- 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
| | - 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
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22
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Konishi A, Okada Y, Kishi R, Nakano M, Yasuda M. Enhancement of Antiaromatic Character via Additional Benzoannulation into Dibenzo[a,f]pentalene: Syntheses and Properties of Benzo[a]naphtho[2,1-f]pentalene and Dinaphtho[2,1-a,f]pentalene. J Am Chem Soc 2018; 141:560-571. [DOI: 10.1021/jacs.8b11530] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Akihito Konishi
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
- Center for Atomic and Molecular Technologies, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yui Okada
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Ryohei Kishi
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Masayoshi Nakano
- Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Makoto Yasuda
- Department of Applied Chemistry, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
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23
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Fujiyoshi JY, Tonami T, Yamane M, Okada K, Kishi R, Muhammad S, Al-Sehemi AG, Nozawa R, Shinokubo H, Nakano M. Theoretical Study on Open-Shell Singlet Character and Second Hyperpolarizabilities in Cofacial π-Stacked Dimers Composed of Weak Open-Shell Antiaromatic Porphyrins. Chemphyschem 2018; 19:2863-2871. [PMID: 30080316 DOI: 10.1002/cphc.201800745] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Indexed: 11/08/2022]
Abstract
From the analysis based on the broken-symmetry density functional theory (DFT) calculations, we in this study propose a strategy to enhance the open-shell characters and third-order nonlinear optical (NLO) properties of π-stacked dimers composed of antiaromatic molecules with weak open-shell characters. For this purpose, we here constructed cofacial π-stacked dimer models composed of aromatic and antiaromatic NiII porphyrins in order to examine the π-π stacking distance (R) dependence of the diradical characters (y) and static second hyperpolarizabilities (γ). The antiaromatic porphyrin dimers are found to have intermediate y around R∼3.3 Å, the result of which originates in the unique intermolecular interactions between the antiaromatic monomers. Static γ along the stacking direction of such antiaromatic porphyrin dimers with intermediate diradical characters are shown to be enhanced significantly as compared to those of the isolated monomers and the aromatic porphyrin dimers.
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Affiliation(s)
- Jun-Ya Fujiyoshi
- Department of Materials Engineering Science Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Takayoshi Tonami
- Department of Materials Engineering Science Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Masaki Yamane
- Department of Materials Engineering Science Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Kenji Okada
- Department of Materials Engineering Science Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Ryohei Kishi
- Department of Materials Engineering Science Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan
| | - Shabbir Muhammad
- Department of Physics College of Science, King Khalid University, Abha, 61413, P.O. Box 9004, Saudi Arabia.,Research Center for advanced materials science, King Khalid University, Abha, 61413, P.O. Box 9004, Saudi Arabia
| | - Abdullah G Al-Sehemi
- Department of Chemistry College of Science, King Khalid University, Abha, 61413, P.O. Box 9004, Saudi Arabia.,Research Center for advanced materials science, King Khalid University, Abha, 61413, P.O. Box 9004, Saudi Arabia
| | - Ryo Nozawa
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Hiroshi Shinokubo
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, 464-8603, Japan
| | - Masayoshi Nakano
- Department of Materials Engineering Science Graduate School of Engineering Science, Osaka University 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan.,Center for Spintronics Research Network (CSRN) Graduate School of Engineering Science, Osaka University Toyonaka, Osaka, 560-8531, Japan.,Institute for Molecular Science (IMS) 38 Nishigo-Naka, Myodaiji, Okazaki, 444-8585, Japan
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24
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Ishida SI, Soya T, Osuka A. A Stable Antiaromatic 5,20-Dibenzoyl [28]Hexaphyrin(1.1.1.1.1.1): Core Au III Metalation and Subsequent Peripheral B III Metalation. Angew Chem Int Ed Engl 2018; 57:13640-13643. [PMID: 30133083 DOI: 10.1002/anie.201808513] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2018] [Revised: 08/20/2018] [Indexed: 11/11/2022]
Abstract
5,20-Dibenzoyl [28]hexaphyrin(1.1.1.1.1.1) was synthesized as the first hexaphyrin bearing meso-aroyl substituents. The meso-dibenzoyl substituents are hydrogen-bonded with the pyrrolic protons to stabilize an antiaromatic dumbbell conformer. Core metalation of this hexaphyrin with AuIII afforded rectangular and aromatic [26]hexaphyrin bis-AuIII complexes, the major isomer of which was reduced with NaBH4 to give its antiaromatic 28π bis-AuIII complex. This complex allowed facile peripheral metalation with BIII owing to the peripheral benzoyl substituents.
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Affiliation(s)
- Shin-Ichiro Ishida
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Kyoto, 606-8502, Japan
| | - Takanori Soya
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Kyoto, 606-8502, Japan
| | - Atsuhiro Osuka
- Department of Chemistry, Graduate School of Science, Kyoto University, Kitashirakawa-Oiwakecho, Kyoto, 606-8502, Japan
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25
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Yamane M, Kishi R, Tonami T, Okada K, Nagami T, Kitagawa Y, Nakano M. Open-Shell Characters, Aromaticities and Third-Order Nonlinear Optical Properties of Carbon Nanobelts Composed of Five- and Six-Membered Rings. ASIAN J ORG CHEM 2018. [DOI: 10.1002/ajoc.201800390] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Masaki Yamane
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
| | - Ryohei Kishi
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
| | - Takayoshi Tonami
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
| | - Kenji Okada
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
| | - Takanori Nagami
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
| | - Yasutaka Kitagawa
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
- Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science; Osaka University; Toyonaka, Osaka 560-8531 Japan
| | - Masayoshi Nakano
- Department of Materials Engineering Science, Graduate School of Engineering Science; Osaka University; 1-3 Machikaneyama Toyonaka, Osaka 560-8531 Japan
- Center for Spintronics Research Network (CSRN), Graduate School of Engineering Science; Osaka University; Toyonaka, Osaka 560-8531 Japan
- Institute for Molecular Science (IMS); 38 Nishigo-Naka Myodaiji, Okazaki 444-8585 Japan
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26
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Ishida SI, Soya T, Osuka A. A Stable Antiaromatic 5,20-Dibenzoyl [28]Hexaphyrin(1.1.1.1.1.1): Core AuIII
Metalation and Subsequent Peripheral BIII
Metalation. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201808513] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Shin-ichiro Ishida
- Department of Chemistry; Graduate School of Science; Kyoto University; Kitashirakawa-Oiwakecho Kyoto 606-8502 Japan
| | - Takanori Soya
- Department of Chemistry; Graduate School of Science; Kyoto University; Kitashirakawa-Oiwakecho Kyoto 606-8502 Japan
| | - Atsuhiro Osuka
- Department of Chemistry; Graduate School of Science; Kyoto University; Kitashirakawa-Oiwakecho Kyoto 606-8502 Japan
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27
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Nishiyama A, Fukuda M, Mori S, Furukawa K, Fliegl H, Furuta H, Shimizu S. Rational Synthesis of Antiaromatic 5,15-Dioxaporphyrin and Oxidation into β,β-Linked Dimers. Angew Chem Int Ed Engl 2018; 57:9728-9733. [PMID: 29901249 DOI: 10.1002/anie.201804648] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 05/31/2018] [Indexed: 12/19/2022]
Abstract
5,15-Dioxaporphyrin was synthesized for the first time by a nucleophilic aromatic substitution reaction of a nickel bis(α,α'-dibromodipyrrin) complex with benzaldoxime, followed by an intramolecular annulation of the α-hydroxy-substituted intermediate. This unprecedented molecule is a 20π-electron antiaromatic system, in terms of Hückel's rule of aromaticity, because lone pair electrons of oxygen atoms are incorporated into the 18π-electron conjugated system of the porphyrin. A theoretical analysis based on the gauge-including magnetically induced current method confirmed its antiaromaticity and a dominant inner ring pathway for the ring current. The unique reactivity of 5,15-dioxaporphyrin forming a β,β-linked dimer upon oxidation was also revealed.
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Affiliation(s)
- Akihide Nishiyama
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
| | - Masaya Fukuda
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan
| | - Shigeki Mori
- Advanced Research Support Center (ADRES), Ehime University, Matsuyama, 790-8577, Japan
| | - Ko Furukawa
- Center for Instrumental Analysis, Institute for Research Promotion, Niigata University, Niigata, 950-2181, Japan
| | - Heike Fliegl
- Hylleraas Centre for Quantum Molecular Sciences, Department of Chemistry, University of Oslo, P.O. Box 1033 Blindern, 0315, Oslo, Norway
| | - Hiroyuki Furuta
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan.,Center for Molecular Systems (CMS), Kyushu University, Fukuoka, 819-0395, Japan
| | - Soji Shimizu
- Department of Chemistry and Biochemistry, Graduate School of Engineering, Kyushu University, Fukuoka, 819-0395, Japan.,Center for Molecular Systems (CMS), Kyushu University, Fukuoka, 819-0395, Japan
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28
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Nishiyama A, Fukuda M, Mori S, Furukawa K, Fliegl H, Furuta H, Shimizu S. Rational Synthesis of Antiaromatic 5,15-Dioxaporphyrin and Oxidation into β,β-Linked Dimers. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201804648] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Akihide Nishiyama
- Department of Chemistry and Biochemistry; Graduate School of Engineering; Kyushu University; Fukuoka 819-0395 Japan
| | - Masaya Fukuda
- Department of Chemistry and Biochemistry; Graduate School of Engineering; Kyushu University; Fukuoka 819-0395 Japan
| | - Shigeki Mori
- Advanced Research Support Center (ADRES); Ehime University; Matsuyama 790-8577 Japan
| | - Ko Furukawa
- Center for Instrumental Analysis; Institute for Research Promotion; Niigata University; Niigata 950-2181 Japan
| | - Heike Fliegl
- Hylleraas Centre for Quantum Molecular Sciences; Department of Chemistry; University of Oslo; P.O. Box 1033 Blindern 0315 Oslo Norway
| | - Hiroyuki Furuta
- Department of Chemistry and Biochemistry; Graduate School of Engineering; Kyushu University; Fukuoka 819-0395 Japan
- Center for Molecular Systems (CMS); Kyushu University; Fukuoka 819-0395 Japan
| | - Soji Shimizu
- Department of Chemistry and Biochemistry; Graduate School of Engineering; Kyushu University; Fukuoka 819-0395 Japan
- Center for Molecular Systems (CMS); Kyushu University; Fukuoka 819-0395 Japan
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Nishinaga T, Shiroma S, Hasegawa M. Antiaromaticity of Planar Bisdehydro[12]- and Tetrakisdehydro[16]annulenes Fused with Dithieno[3,4-b:3′,4′-d]thiophenes. Org Lett 2018; 20:3426-3429. [DOI: 10.1021/acs.orglett.8b01405] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Tohru Nishinaga
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Shun Shiroma
- Department of Chemistry, Graduate School of Science, Tokyo Metropolitan University, Hachioji, Tokyo 192-0397, Japan
| | - Masashi Hasegawa
- Department of Chemistry, Graduate School of Science, Kitasato University, 1-15-1 Kitasato, Minami-ku, Sagamihara, Kanagawa 252-0373, Japan
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