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研究業績

2020

  • Cationic Polymerization of Vinyl Monomers using Halogen Bonding Organocatalysts with Varied Activity
    Koji Takagi,* Hiroto Murakata, Koji Yamauchi, and Kohei Hashimoto
    Polym. Chem. 2020, in press
    DOI: 10.1039/D0PY01207F
  • Ring-Opening Metathesis Polymerization of endo- and exo-Norbornene Lactones
    Narumi Miyasako, Shin-ichi Matsuoka,* Masato Suzuki
    Macromol. Rapid Commun. 2020, xx(x), xx–xx
    DOI: 10.1039/C9PY01621J
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  • Anionic polymerization of acrylic thioester by using organic base
    Masato Suzuki,* Takumi Kaneko, Yuna Ishikawa, Shin-ichi Matsuoka
    Polym. Chem. 2020, 11(6), 1145–1150
    DOI: 10.1039/C9PY01621J

2019

  • pi-Extension of Electron-Accepting Dithiarubicene with a Cyano-Substituted Electron-Withdrawing Group and Application in Air-Stable n-Channel Organic Field Effect Transistors
    Kenji Tsukamoto, Koji Takagi,* Shusaku Nagano, Mitsuo Hara, Yutaka Ie, Kohtaro Osakada, and Daisuke Takeuchi
    J. Mater. Chem. C 2019, 7(40), 12610–12618
    DOI: 10.1016/10.1039/C9TC04325J
  • Charge-Neutral and Self-Doped Cyclopentadithiophene-Based Conjugated Polymers: Influence of Side Chain on Optical, Electrical, and Thermoelectric Properties
    Koji Takagi,* Hiroki Yano, Hiroki Ito, and Naoki Kishi
    Polymer 2019, 181, 121787
    DOI: 10.1016/j.polymer.2019.121787
  • Cationic Polymerization of n-Hexyloxyallene by using Halogen Bonding Organocatalysts
    Koji Takagi* and Kanami Okamura
    J. Polym. Sci, Part A: Polym. Chem. 2019, 57(24), 2436–2441.
    DOI: 10.1002/pola.29489
  • Ladderization of Poly(p-phenylenevinylene) Derivative: Synthesis of Polycyclic Aromatic Hydrocarbon Polymer by Intramolecular Oxidative Cyclization
    Koji Takagi* and Yoshihiro Yamada
    Polymer 2019, 179, 121607.
    DOI: 10.1016/j.polymer.2019.121607
  • Ladderization of Polystyrene Derivatives by Palladium-Catalyzed Polymer Direct Arylation
    Koji Takagi,* Hidetoshi Tanaka, and Koichiro Mikami*
    Polym. Chem. 2019, 10(21), 2647–2652.
    DOI: 10.1039/C9PY00359B
  • Potentially Helical Imidazole-Containing Conjugated Oligomer: Synthesis, Optical Properties, and Conformation
    Koji Takagi,* Jun-ya Ohta, Kenta Sugihara, Kanami Okamura, and Yoshihiro Yamada
    Polym. J. 2019, 51(4), 389–395.
    DOI: 10.1038/s41428-018-0146-3
          
  • Enhanced Activity of the Tail-to-Tail Dimerization of Michael Acceptors Catalyzed by N-Heterocyclic Carbene and Subsequent Polymer Synthesis from the Resulting Dimers
    Hiroki Kawai, Aoi Fukumoto, Shin-ichi Matsuoka,* Masato Suzuki
    Chem. Lett. 2019, 48(6), 558-561
    DOI:10.1246/cl.190097

  • Chiral Non-Planar Oligophenylenes bridged by Urea Linkage: Synthesis through Intramolecular Direct Arylation, Chiroptical Behavior, and Theoretical Investigation
    Koji Takagi,* Yuto Hirano, Koichiro Mikami,* Shoko Kikkawa, and Isao Azumaya
    Eur. J. Org. Chem. 2019, 2019(10), 2071–2080.
    DOI: 10.1002/ejoc.201900191
  • ハロゲン結合性有機分子触媒によるメタルフリーカチオン重合
    高木幸治, 山内光司, 橋本康平, 岡村花奈美
    触媒(特集号)精密高分子合成に関する最近の研究動向, 触媒学会, 2019, 61(3), 157–162.

2018

  • Creating Elastic Organic Crystals of π-Conjugated Molecules with Bending Mechanofluorochromism and Flexible Optical Waveguide
    Shotaro Hayashi,* Shun-ya Yamamoto, Daisuke Takeuchi, Yutaka Ie, and Koji Takagi*
    Angew. Chem. Int. Ed. 2018, 57(52), 17002–17008.
    DOI: 10.1002/anie.201810422
    Highlighted on the inside cover
    DOI: 10.1002/anie.201813330
  • Polycondensation of methacrylates: auto-tandem organocatalysis using N-heterocyclic carbenes
    Aoi Fukumoto, Miharu Arimoto, Shin-ichi Matsuoka,* and Masato Suzuki
    Polym. Chem. 2018, 9(43), 5295–5302.
    DOI: 10.1039/C8PY01027G
  • Synthesis and Structure of Optically-Active Oligo(N-substituted-m-benzamide)s bearing Bithiophene Chromophore on the Benzene Ring
    Koji Takagi,* Yuma Nishikawa, Kana Shimizu, Katsuya Nobuke, Ryohei Yamakado, Shinri Sugimoto, and Yoshihito Inai*
    Macromol. Chem. Phys. 2018, 219(23), 1800298.
    DOI: 10.1002/macp.201800298
  • Synthesis and Field-Effect Transistor Application of π-Extended Lactam-Fused Conjugated Oligomers obtained by the Tandem Direct Arylation
    Koji Takagi,* Shun-ya Yamamoto, Kenji Tsukamoto, Yuto Hirano, Mitsuo Hara, Shusaku Nagano, Yutaka Ie, and Daisuke Takeuchi
    Chem. Eur. J. 2018, 24(53), 14137–14145.
    DOI: 10.1002/chem.201801399
  • Hydrogen-transfer and condensation-addition polymerizations of acrylic acid
    Takuya Murase, Shin-ichi Matsuoka* and Masato Suzuki
    Polym. Chem. 2018, 9(21), 2984–2990.
    DOI: 10.1039/C8PY00271A

  • Solid-State Esterification via Ionic-to-Covalent Bond Transformation in Ionic Molecular Crystals Consisting of Disubstituted Anthracene Anion-Cation Combinations
    Masato Suzuki,* Takahiro Fujii, Yoko Naito, Kazuhisa Yamoto, Shin-ichi Matsuoka, Koji Takagi, Haruki Sugiyama, and Hidehiro Uekusa
    Bull. Chem. Soc. Jpn. 2018, 91(3), 343–348.
    DOI: 10.1246/bcsj.20170349
    BCSJ Award Articleに選出されました
  • ESIPT Emission Behavior of Methoxy-Substituted 2-Hydroxyphenylbenzimidazole Isomers
    Koji Takagi,* Yoshihiro Yamada, Ryoichi Fukuda,* Masahiro Ehara, and Daisuke Takeuchi
    New J. Chem. 2018, 42(8), 5923–5928.
    DOI: 10.1039/C8NJ00455B
  • 元素の能力を利用する金属を用いない重合
    ペトロテック, (公社)石油学会, 2018, 41(5), 395–399.

2017

  • Synthesis and Optical Properties of ESIPT-Active π-Conjugated Benzimidazole Compounds: Influence of Structure Rigidification by Ring Fusion
    Koji Takagi,* Kaede Ito, Yoshihiro Yamada, Takuya Nakashima, Ryoichi Fukuda, Masahiro Ehara, and Hyuma Masu
    J. Org. Chem., 2017, 82(23), 12173–12180.
    DOI: 10.1021/acs.joc.7b01967
  • Oxa-Michael Addition Reaction and Polymerization of Morita–Baylis–Hillman Adducts and Derivatives
    Shin-ichi Matsuoka,* Yuki Hoshiyama, Kanae Tsuchimoto, and Masato Suzuki
    Chem. Lett., 2017, 46(12), 1718–1720.
    DOI:10.1246/cl.170794
  • Synthesis and Optical Properties of Fused pi-Conjugated Imidazole Compounds
    Koji Takagi,* Kaede Ito, Yoshihiro Yamada, Takuya Nakashima, Ryoichi Fukuda, Masahiro Ehara, and Daisuke Takeuchi
    Chem. Lett., 2017, 46(9), 1372–1375.
    DOI: 10.1246/cl.170569
  • Ring-Opening Polymerization of Donor-Acceptor Cyclopropanes Catalyzed by Lewis Acids
    Kosuke Hayakawa, Shin-ichi Matsuoka,* Masato Suzuki
    Polym. Chem. 2017, 8, 3841–3847.
    DOI: 10.1039/C7PY00794A
  • Regioselective Halogen-Magnesium Exchange Reaction of Bithiophene Derivative bearing Methoxy and Pyridine Groups at the beta-Position and Kumada Coupling Polymerization
    Koji Takagi,* Ryo Kouchi, and Junpei Kawai
    Polym. J., 2017, 49(9), 649–654.
    DOI: 10.1038/pj.2017.37
  • Halogen Bonding-Mediated Controlled Cationic Polymerization of Isobutyl Vinyl Ether: Expanding the Catalytic Scope of 2-Iodoimidazolium Salts
    Koji Takagi,* Koji Yamauchi, and Hiroto Murakata
    Chem. Eur. J., 2017, 23, 9495–9500.
    DOI: 10.1002/chem.201702455
    Highlighted as a Hot Paper

    Press Release
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  • Tail-to-Tail Cross-Dimerization of Methyl Methacrylate/Methacrylonitrile with Acrylates Catalyzed by N-Heterocyclic Carbene
    Shin-ichi Matsuoka,* Yuki Fukumoto, and Masato Suzuki
    Chem. Lett., 2017, 46, 983–986.
    DOI:10.1246/cl.170263
  • Termination Reaction of Living Poly(3-hexylthiophene) using Thiophene Grignard Reagents: Substituent Effect on the Functionalization
    Koji Takagi,* Junpei Kawai, and Ryo Kouchi
    Polymer, 2017, 117, 354–363.
    DOI:10.1016/j.polymer.2017.04.041
  • Synthesis of Polythiophene Derivative bearing Methoxy and Pyridine Groups at the ß-Position and Formation of an Intramolecular Hydrogen Bonding through the Polymer Reaction
    Koji Takagi,* Ryo Kouchi, and Junpei Kawai
    Polymer, 2017, 114, 221–230.
    DOI: 10.1016/j.polymer.2016.11.013
  • Post-polymerization modification of unsaturated polyesters byb Michael addition of N-heterocyclic carbenes
    Shin-ichi Matsuoka,* Yuya Kamijo, and Masato Suzuki
    Polym. J., 2017, 49, 423–428.
    DOI: 10.1038/pj.2017.2
  • Precision Spatial Arrangement of Chromophores using Cyclic Aromatic Triamide Scaffold (Chapter 12)
    Koji Takagi and Ryohei Yamakado
    Conjugated Objects: Development, Synthesis, and Application (Book, Pan Stanford Publishing)
    Atsushi Nagai and Koji Takagi Eds.
    https://www.crcpress.com/Conjugated-Objects-Developments-Synthesis-and-Applications/Nagai-Takagi/p/book/9789814774031

2016

  • Synthesis and Optical Properties of pi-Conjugated Polymers containing Fused Imidazole Skeleton
    Koji Takagi,* Takuya Miwa, and Hyuma Masu
    Macromolecules, 2016, 49(23), 8879–8887.
    DOI: 10.1021/acs.macromol.6b01768
  • Molecular Design for Tuning Electronic Structure of pi-Conjugated Polymers Containing Fused Dithienobenzimidazole Units
    Koji Takagi,* Tomoharu Kuroda, Masanori Sakaida, and Hyuma Masu
    Polymer, 2016, 107, 191–199.
    DOI: 10.1016/j.polymer.2016.11.013
  • Tail-to-Tail Dimerization and Rauhut-Currier Reaction of Disubstituted Michael Acceptors Catalyzed by N-Heterocyclic Carbene
    Shin-ichi Matsuoka,* Naoki Awano, Masanori Nakazawa, Masato Suzuki
    Tetrahedron Lett., 2016, 57, 5707–5711
    DOI: 10.1016/j.tetlet.2016.11.031
  • N-Heterocyclic Carbene-Mediated Redox Condensation of Alcohols
    Terumasa Kato, Shin-ichi Matsuoka,* Masato Suzuki
    Chem. Commun., 2016, 52, 8569–8572.
    DOI: 10.1039/C6CC04154J
  • Synthesis and Optical Properties of Poly(N-octyl-m-benzamide)s bearing an Oligothiophene Chromophore on the Benzene Ring
    Koji Takagi,* Yuma Nishikawa, Kana Shimizu, Ryohei Yamakado, Shinri Sugimoto, and Masaharu Kondo
    Polym. J., 2016, 48(5), 605–610.
    DOI: 10.1038/pj.2015.130
  • Thiol-Mediated Controlled Ring-Opening Polymerization of Cysteine-Derived beta-Thiolactone and Unique Feature of Product Polythioester
    Masato Suzuki, Kazumasa Makimura, and Shin-ichi Matsuoka
    Biomacromolecules, 2016, 17(3), 1135–1141.
    DOI: 10.1021/acs.biomac.5b01748
  • Fused π-Conjugated Imidazolium Liquid Crystals: Synthesis, Self- Organization, and Fluorescent Properties
    Koji Takagi,* Koji Yamauchi, Seiko Kubota, Shusaku Nagano, Mitsuo Hara, Takahiro Seki, Kazuya Murakami, Yousuke Ooyama, Joji Ohshita, Masaharu Kondo, and Hyuma Masu
    RSC Advances, 2016, 6(11), 9152–9159.
    DOI: 10.1039/C5RA25496E

2015

  • Lewis Acid-Catalyzed Ring-Opening Addition Reactions of Alcohols to Vinylcyclopropane
    Shin-ichi Matsuoka,* Kazuki Numata, Masato Suzuki
    Chem. Lett., 2015, 44, 1532–1534
    DOI: 10.1246/cl.150737
  • Amide-bridged ladder poly(p-phenylene): synthesis by direct arylation and p-stacked assembly
    Koji Takagi,* Ryota Kato, Shun-ya Yamamoto, and Hyuma Masu
    Polym. Chem., 2015, 6(38), 6792–6795
    DOI: 10.1039.C5PY01154J
  • Transfer hydrogenation promoted by N-heterocyclic carbene and water
    Terumasa Kato, Shin-ichi Matsuoka,* Masato Suzuki
    Chem. Commun. 2015, 51, 13906–13909
    DOI: 10.1039/C5CC05117G
  • N-Heterocyclic Carbene-Catalyzed Dimerization, Cyclotetramerization and Polymerization of Michael Acceptors
    Shin-ichi Matsuoka
    Polym. J. (Focus Review), 2015, 47, 713–718
    DOI: 10.1038/pj.2015.59
  • Synthesis and optical properties of imidazole and benzimidazole-based fused pi-conjugated compounds: Influence of substituent, counter anion, and pi-conjugated system
    Koji Takagi,* Kazuma Kusafuka, Yohei Ito, Koji Yamauchi, Kaede Ito, Ryoichi Fukuda, and Masahiro Ehara
    J. Org. Chem. 2015, 80(14), 7172–7183
    DOI: 10.1021/acs.joc.5b01028
  • Expanding the Scope of the Tail-to-Tail Dimerization of Vinyl Compounds Catalyzed by N-Heterocyclic Carbene
    Shin-ichi Matsuoka,* Masanori Nakazawa, and Masato Suzuki
    Bull. Chem. Soc. Jpn. 2015, 88(8), 1093–1099.
    DOI: 10.1246/bcsj.20150048
  • Diastereoselective Cyclization of Aminobenzoic Acid Derivative and Chiroptical Properties of Triple-Stranded Helical Bis(phenylethynyl)benzene
    Ryohei Yamakado, Shin-ichi Matsuoka, Masato Suzuki, Daisuke Takeuchi, Hyuma Masu, Isao Azumaya, and Koji Takagi*
    Chem. Commun. 2015, 51(26), 5710–5713
    DOI: 10.1039/C5CC00945F
  • Solid-State Polycondensation via Ionic-to-Covalent Bond Transformation to Control Polymer Structure: Preparation of Porphyrin-Based Ladder Polyme
    Masato Suzuki,* Kohei Yokota, Hiroe Tsuchida, Kazuhisa Yamoto, Masayuki Nagata, Shin-ichi Matsuoka, Koji Takagi, Kohei Johmoto, and Hidehiro Uekusa
    ACS Macro Lett. 2015, 4(2), 247–250
    DOI: 10.1021/acsmacrolett.5b00013
  • Oxa-Michael Addition Polymerization of Acrylates Catalyzed by N-Heterocyclic Carbenes
    Shin-ichi Matsuoka,* Shoko Namera, and Masato Suzuki
    Polym. Chem. 2015, 6, 294–301
    DOI: 10.1039/C4PY01184H
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