石割 研究業績

Papers

原著論文

  • Switching of the Conformational Flexibility of a Diazacyclooctane-Containing Ladder Polymer by Coordination and Elimination of a Lewis Acid 
    F. Ishiwari, M. Ofuchi, K. Inoue, Y. Sei, T. Fukushima 
    Polym. Chem. 2019in press (DOI: 10.1039/C9PY01104H).
  • Triptycene Tripods for the Formation of Highly Uniform and Densely Packed Self-Assembled Monolayers with Controlled Molecular Orientation
    F. Ishiwari, G. Nascimbeni, E. Sauter, H. Tago, Y. Shoji, S. Fujii, M. Kiguchi, T. Tada, M. Zharnikov, E. Zojer, T. Fukushima
    J. Am. Chem. Soc. 2019141, 5995–6005 (DOI: 10.7567/1347-4065/ab0436).
    Selected as "Cover Art"
tripods.jpg
  • Highly-ordered Triptycene Modifier Layer Based on Blade Coating for Ultraflexible Organic Transistors
    M. Kondo, T. Kajitani, T.Uemura, Y. Noda, F. Ishiwari, Y. Shoji, T. Araki, S. Yoshimoto, T. Fukushima, T. Sekitani
    Sci. Rep. 2019, 9, 9200  (DOI: 10.1038/s41598-019-45559-4 ).
  • First-Principles Study of the Adsorption Behavior of Triptycene Molecular Tripods on Au(111): Site-Selectivity and Unambiguous Molecular Orientation
    T. Tada, F. Ishiwari, Y. Shoji, T. Fukushima
    J. Phys. Chem. C 2019, 123, 4401–4406 (DOI: 10.1021/acs.jpcc.9b00869).
  • Control of Molecular Orientation in Single-Molecule Junction with Tripodal Triptycene Anchoring Unit: Toward Simple and Facile Single-Molecule Diode
    S. Fujii, F. Ishiwari, Y. Komoto, L. Su ,Y. Yuto , K. Yamagata, A. Kosaka,A. Aiba,T. Nishino, T. Fukushima, M. Kiguchi
    Jpn. J. Appl. Phys. 2019, 58, 035003 (DOI: 10.7567/1347-4065/ab0436).
  • A Versatile Scaffold for Facile Synthesis of Fluorescent Cyano- Substituted Stilbenes
    S. Hayashi, M. Sakamoto, F. Ishiwari, T. Fukushima, S. Yamamoto, T. Koizumi 
    Tetrahedron 201975, 1079–1084 (DOI: 10.1016/j.tet.2019.01.012).
  • Terminal Functionalization with a Triptycene Motif that Dramatically Changes the Structural and Physical Properties of an Amorphous Polymer
    F. Ishiwari, G. Okabe, H. Ogiwara, T. Kajitani, M. Tokita, M. Takata, T. Fukushima
    J. Am. Chem. Soc. 2018,140, 13497–13502 (DOI:10.1021/jacs.8b09242).

    jacs2018.jpg
  • Topology Effect of AIEgen-Appended Poly(acrylic acid) with Biocompatible Segments on Ca2+-Sensing and Protein-Adsorption-Resistance Properties
    F. Ishiwari, M. Sakamoto, S. Matsumura, T. Fukushima
    ACS Macro Lett. 20187, 711–715 (DOI:10.1021/acsmacrolett.8b00291).
mz-2018-002916_0005.gif
  • Highly Efficient Transformation of Linear Poly(Phenylene Ethynylene)s into Zigzag-Shaped π-Conjugated Microporous Polymers through Boron-Mediated Alkyne Benzannulation
  • Y. Shoji, M. Hwang, H. Sugiyama, F. Ishiwari, K. Takenouchi, R. Osuga, J. N. Kondo, Shigenori Fujikawa and Takanori Fukushima
    Mater. Chem. Front.2018 2, 807 - 814(DOI: 10.1039/C7QM00582B).
  • Supramolecular scaffolds enabling the controlled assembly of functional molecular units
    F. Ishiwari, Y. Shoji, T. Fukushima 
    Chem. Sci.2018,9, 2028-2041 (DOI: 10.1039/C7SC04340F).
      Selected as "Front Cover"
chemsci_set.jpg
  • Hexathioalkyl sumanenes: An electron-donating buckybowl as a building block for supramolecular materials
  • Y. Shoji, T. Kajitani, F. Ishiwari, Q. Ding, H. Sato, H. Anetai, T. Akutagawa, H. Sakurai, T. Fukushima (Y.S., F.I., and T.K. contributed equally)
    Chem. Sci. 2017, 8, 8405-8410 (DOI: 10.1039/C7SC03860G).
  • Induction of Single-Handed Helicity of Polyacetylenes Using Mechanically Chiral Rotaxanes as Chiral Sources
    F. Ishiwari, K. Nakazono, Y. Koyama, T. Takata
    Angew. Chem. Int. Ed. 201756, 14858-14862(DOI: 10.1002/anie.201707926).
    rota.jpg
  • Mesoscopic Structural Aspects of Ca2+-Triggered Polymer Chain Folding of a Tetraphenylethene-Appended Poly(Acrylic Acid) in Relation to Its Aggregation-Induced Emission Behavior
  • K. Morishima, F. Ishiwari, S. Matsumura, T. Fukushima, M. Shibayama* (K.M. and F.I. contributed equally)
    Macromolecules 201750, 5940–5945 (DOI: 10.1021/acs.macromol.7b00883).

    ma-2017-00883s_0006.jpeg
  • Rigid-to-Flexible Conformational Transformation: An Efficient Route to Ring-Opening of a Trogers Base-Containing Ladder Polymer F. Ishiwari, N. Takeuchi, T. Sato, H. Yamazaki, R. Osuga, J. N. Kondo, T. Fukushima
    ACS Macro Lett. 20176, 775–780 (DOI: 10.1021/acsmacrolett.7b00385).
    • Highlighted in SynfactsT. M. Swager, K. Yoshinaga, Mission Accomplished: Synthesis of ‘Flexible’ Ladder Polymers (DOI: 10.1055/s-0036-1591240, selected as Synfacts of the mounth and top cover).
    •「化学と工業」(2018年, 4月号)のディビジョントピックスとして紹介 => http://www.chemistry.or.jp/division-topics/2018/03/post-111.html 
mz-2017-003854_0005.jpg*This paper was highligted as SYNFACTS of the month!*
Synfacts.jpg
  • 2,3,5,6,8,9-Hexabromosumanene: Synthesis and Its Application to Suzuki-Miyaura Cross-Coupling
  • H. Toda, Y. Yakiyama, Y. Shoji, F. Ishiwari, T. Fukushima, H. Sakurai
    Chem. Lett. 201746, 1368–1371 (DOI: 10.1246/cl.170566).
  • Synthesis and Catalytic Applications of a Triptycene-Based Monophosphine Ligand for Palladium-Mediated Organic Transformations
  • F. K.-C. Leung, F. Ishiwari, Y. Shoji, T. Nishikawa, R. Takeda, Y. Nagata, M. Suginome, Y. Uozumi,* Y. M. A. Yamada,* T. Fukushima*
    ACS Omega 20172, 1930–1937 (DOI: 10.1021/acsomega.7b00200).
  • An anion-conductive microporous membrane composed of a rigid ladder polymer with a spirobiindane backbone
    F. Ishiwari, T. Sato, H. Yamazaki, J. N. Kondo, S. Miyanishi, T. Yamaguchi, T. Fukushima*
    J. Mater. Chem. A 2016, 4, 17655–17659 (doi: 10.1039/C6TA07576B).

  • Supramolecular Scaffold for Tailoring the Two-Dimensional Assembly of Functional Molecular Units into Organic Thin Films
    F. K.-C. Leung, F. Ishiwari,* T. Kajitani, Y. Shoji, T. Hikima, M. Takata, A. Saeki, S. Seki, Y. M. A. Yamada, T. Fukushima*
    J. Am. Chem. Soc. 2016,138, 11727–11733 (DOI: 10.1021/jacs.6b05513).
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  • Scanning tunnelling microscopy analysis of octameric o-phenylenes on Au(111)
    S. Marqués-González, S. Fujii,* T. Nishino, Y. Shoji, F. Ishiwari, T. Fukushima,* M. Kiguchi*
    RSC Advances 20166, 55970-55975 (DOI: 10.1039/C6RA07173B).
  • Chlorine-based inductively coupled plasma etching of GaAs wafer using tripodal paraffinic triptycene as an etching resist mask
    A. Matsutani,* F. Ishiwari, Y. Shoji, T. Kajitani, T. Uehara, M. Nakagawa, T. Fukushima
    Jpn. J. Appl. Phys. 201655, 06GL01-1 to 06GL013 (DOI:10.7567/JJAP.55.06GL01).
  • Rational synthesis of organic thin films with exceptional long-range structural integrity
    N. Seiki, Y. Shoji,* T. Kajitani, F. Ishiwari, A. Kosaka, T. Hikima, M. Takata, T. Someya, T. Fukushima*
    Science 2015, 348, 1122–1126 (DOI: 10.1126/science.aab1391).
  • Reversible helix-random coil transition of poly(m-phenylenediethynylene) by rotaxane switch. 
    Sakiko Suzuki, Fumitaka Ishiwari, Kazuko Nakazono and Toshikazu Takata*
    Chem. Commun. 2012, 48, 6478-6480. (DOI: 10.1039/C2CC18116A )
  • Rational Control of polyacetylene Helix by Pendant Rotaxane Switch.
    Fumitaka Ishiwari, Kazuko, Nakazono, Yasuhito Koyama, Toshikzu Takata*
    Chem. Commun. 2011, 47, 11739­–11741. (DOI: 10.1039/C1CC14404A)
  • Rational Design for Directed Helicity Change of Polyacetylene using Dynamic Rotaxane Mobility via Through-Space Chirality Transfer;
    Fumitaka Ishiwari, Kei-ichiro Fukasawa, Takashi Sato, Kazuko Nakazono, Yasuhito Koyama, Toshikazu Takata*
    Chem. Eur. J. 2011, 17, 12067−12075.(DOI: 10.1002/chem.201101727)
  • C–C Bond-Forming Click Synthesis of Rotaxanes Exploiting Nitrile N-Oxide
    Tohru Matsumura, Fumitaka Ishiwari, Yasuhito Koyama, Toshikazu Takata*
    Org. Lett
    . 2010, 12, 3828–3531.(DOI: 10.1021/ol101543x)
  • Synthesis, Structure, and Properties of Polyaceytylenes Possessing Chiral Spirobifluorene Moieties in the Side Chain
    Toshikazu Takata,* Fumitaka Ishiwari, Takashi Sato, Ryota Seto, Yasuhito Koyama
    Polym. J. 2008, 40, 846–853. (DOI: 110.1295/polymj.PJ2008104)
  • Poly(vinylspirobifluorene): Synthesis and Properties of Novel Stryrenic Polymer
    Fumitaka Ishiwari, Shinichi Kawasaki, Yasuhito Koyama, Toshikazu Takata*
    Chem. Lett. 2008, 37, 854–855 (DOI: 110.1246/cl.2008.854) 

解説記事

  • 柔軟性と対称性を併せ持つ新しいラダーポリマーの展望
    石割 文崇, 福島孝典
    高分子学会超分子アニュアルレビュー No.39(2018)
  • 柔軟性と対称性を併せ持つ新しいラダーポリマーの合成
    石割 文崇
    「化学と工業」ディビジョントピック, 2018, 71-4, 344.
  • 注目の論文「単結晶Siインスパイアードポリマー」(Synthesis of a Fragment of Crystalline Silicon: Poly(Cyclosilane), R. S. Klausen et al. Angew. Chem. Int. Ed., 2017, 56, 568–572. の解説)
    石割 文崇
    化学, 2017年, 9月号, pp. 62-63.
  • トポロジカルキラリティー
    石割 文崇, 高田 十志和
    CSJカレントレビュー13「キラル化学」Vol. 13, pp. 67-74 (2013).

招待講演

  • 19-1NMR研究会, 多角的材料分析におけるNMRの役割, 東京海洋大学・品川キャンパス楽水会館 (2019. 5. 10)
    "NMR を用いた有機高分子および分子集合体のダイナミクス解析" 
  • 第3回 東工大応用化学系次世代を担う若手シンポジウム, 東京工業大学大岡山キャンパス ELSI棟三島ホール(2019. 3. 23)
    "「面」を持つ新たな高分子の合成と機能"
  • 分子系の複合電子機能 第181委員会 第31回 研究会  東京大学工学部2号館 電気系会議室4 (2018.10.29-30) "細胞外Ca2+イメージングの実現に向けた大面積シート状イオンセンサー"
  • 防衛大学校 応用化学科講演会 (2018. 9. 19)
    "生体模倣デザインによりポリアクリル酸がCa2+センサーに:高分子ならではの特異な性質と機能" 
  • 有機合成化学協会関東支部 平成30年度若手研究者のためのセミナー 東京大学薬学系総合研究棟2階講堂 (2018. 8. 4)
    "特異な構造特性および集合構造を有する高分子の合成と機能"
  • 日本化学会関東支部栃木地区講演会 宇都宮大学陽東キャンパス(2018. 7. 10)
    "新奇トポロジカル分子・高分子の創成とその物性、機能"
  • Northeastern Asian Symposium (NEA 2017) Emerging Materials Innovation, Seoul, Korea (2017. 10. 16–18)
    "Synthetic Polymer-Based Ca2+ Sensor: A New Tool for the Extracellular Ca2+ imaging"
  • 81th Prague Meeting on Macromolecules  (PMM 2017) Prague, Czech (2017. 9. 10–14)
    "AIE luminogen-appended polymer sensors toward extracellular Ca2+ imaging"
  • 254th ACS National Meeting & Exposition, Washington DC, USA (2017. 8. 20-24)
    "Bioinspired design of synthetic polymer-based Ca2+ sensor for the realization of extracellular Ca2+ imaging"
  • International Workshop on Molecular Functioning and Dynamics in Excited States, Physics Institute, National Chiao Tung University (NCTU), Hsinchu, Taiwan, (2016. 12. 5)
    "Solid-state dynamics of dipolar molecular rotors incorporated in two-demensional assembly of tripodal triptycene"
  • 静岡大学理学部化学科講演会 静岡大学山中研究室(2016. 10. 28)
    "高分子鎖のダイナミクスを駆使した超分子化学"
  • フレキシブル医療IT 第10回研究会, 東京大学弥生講堂一条ホール (2016. 10. 25)
    "細胞外Ca2+イメージングに向けた大面積シート状イオンセンサー"
  • Fluorescent Biomolecules and their Building Blocks – Design and Applications, Tianjin University, Tainjin, China (2016. 7. 7-11)
    "Bioinspired polymer gel Ca2+ sensor: Toward the realization of extracellular Ca2+ imaging"
  • National Chiao Tung University, Department of Applied Chemistry, Department Seminar, Hsinchu, Taiwan (2016. 5. 17)
     
    "Bioinspired Design of a Ca2+ Sensor Using Polymer Chain Dynamics"
     
  • 2015年度高分子・ハイブリッド材料研究センター(PHyM)若手フォーラム 東北大学多元物質科学研究所(2016. 3. 4)
    "高分子鎖ダイナミクスを利用したバイオインスパイアードCa2+センサー"


 




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東京工業大学
科学技術創成研究院
化学生命科学研究所

当研究室は物質理工学院 応用化学系に所属しています。

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