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研究業績

最新の業績

原著論文（2026年）
  1. Isomorphism in a Series of Five Homologous Compounds
    Anmol Andotra, Susobhan Das, C. Elizabeth Killalea, Ferdinando Malagreca, Caterina Zuffa, Priya Pandey, Shehzad Khan, Jun Liu, Roland Fischer, Andrew S. Dunn, Ryusei Oketani, Lucia Maini, Roland Resel, Yves Geerts
    (Cryst. Growth. Des. 2026, 26, 3717-3725.) DOI: 10.1021/acs.cgd.6c00230
  2. Impacts of Fluorination at the Ortho-Position of Carboxy Groups on Tetrakis(biphenyl)ethene-Based Hydrogen-Bonded Framework
    Takuto Fujii,+ Mario de la Hoz Tomás,+Ryusei Oketani, Boiko Cohen, Ken-ichi Otake, Kazuki Shiga, Norimitsu Tohnai, Abderrazzak Douhal,* Ichiro Hisaki*
    (Small 2026, 22, e73406) DOI: 10.1002/smll.73406
    Open access!
    2026Small-2.png
  3. Topological Isomerism between 2D and 3D Hydrogen-bonded Networks Using Conformationally Flexible Tetracarboxylic Acids
    Haruka Tsuji,* Ryusei Oketani, Ichiro Hisaki*
    (Cryst. Growth Des. 2026, 26, 3553-3560.) DOI:10.1021/acs.cgd.6c00056
    2026CGD-1.jpg
  4. Can Entropically Unfavorable Topological Hydrogen-Bonded Networks Form from Tetrakis- or Pentakis(4-carboxyphenyl)benzene Derivative?
    Rento Maeda, Ryusei Oketani, Kazuki Shiga, Norimitsu Tohnai, Ichiro Hisaki*
    (Small 2026, 22, e73250) DOI: 10.1002/smll.73250
    Open access!
    2026Small-1.png
  5. Chirality Amplification Step of Temperature Cycle-Induced Deracemization
    Ryusei Oketani,* Riku Naito, Ichiro Hisaki*
    (Chem. Commun. 2026, 62, 1268-1271.) DOI: 10.1039/D5CC04955E
    2026CC-1.png
  6. Pressure-Triggered Simultaneous Amplification of Aggregation and Fluorescence in a Chromophoric Soft Tripod
    Tomoyuki, Hamachi, Iori Okamura, Yuto Ohmura, Ichiro Hisaki,* Gaku Fukuhara*
    (Chem. Commun. 2026, 62, 1149-1152.) DOI: 10.1039/D5CC05838D
  7. A Hydrogen-Bonded Organic Framework Possessing One-Dimensional Wide Channels Surrounded by Naphthalenediimide Plane
    Yuzuki Murata, Taito Hashimoto, Ryusei Oketani, Miki Naruoka, Rajendra Prasad Paitandi,
    Norimitsu Tohnai, Shu Seki, Ichiro Hisaki*
    (Chem. Sci. 2026, 17, 2811-2817.) DOI: 10.1039/D5SC07488F
    Open access!

    2026CS.png
原著論文（2025年）
  1. Hexaphenyl-1,4,5,6,7,10,11,12,13,16,17,18-dodecaazatrinaphthylene
    Kaito Nakamura†, Kodai Shimizu†, Ryusei Oketani, Haruka Tokuyama, Takashi Harimoto, Rajendra Prasad Paitandi, Yusuke Ishigaki, Akihito Konishi, Shu Seki, Makoto Yasuda, Ichiro Hisaki*
    (Mater. Chem. Front. 2025, 9, 3589-3599.) DOI: 10.1039/D5QM00649J
    2025MCF.png
  2. [3]CycloBODIPY: A Highly Strained Cyclic BODIPY Trimer with Effective Macrocyclic Conjugation
    Masaki Sugino, Yoshitaka Tsuchido, Rento Maeda, Ichiro Hisaki, Hideaki Takano, Hiroshi Shinokubo
    (Angew. Chem. Int. Ed. 2025, 64, e202519612.) DOI: 10.1002/anie.202519612
  3. Composition Dependent Dynamic Behaviors of Non-Stoichiometric Cocrystalline Hydrogen-Bonded Organic Frameworks
    Taito Hashimoto, Ryusei Oketani, Ichiro Hisaki*
    (Small 2025, 21, e08763) DOI: 10.1002/smll.202508763
    Open access!
    2025Small.png
  4. Hydrogen Bond Reformation in Tetracarboxylic Acid-Based Organic Frameworks with Square Lattice Topology
    Haruka Tsuji (Kubo), Ichiro Hisaki*
    (Chem. Eur. J. 2025, 31, e02303) DOI: 10.1002/chem.202502303
    Concept article
    Open access!
    2025CEJ-3.png
  5. Spontaneous Chiral Symmetry Breaking in a Single Crystal
    Ryusei Oketani,* Musashi Okada, Kentaro Takaji, Hajime Shigemitsu, Toshiyuki Kida, Takuya Nakashima, Ichiro Hisaki*
    (Chem. Sci. 2025, 16, 17621-17629) DOI: 10.1039/D5SC02623G
    Open access!
    Press Release
    Inside front cover picture
    2025CS.png
  6. Taming m-Quionodimethanes by Dispersion Force: Cyclodimerization of (Trialkylsilyl)ethynyl-substituted Indeno[2.1-b]fluorenes and Fluoereno[2.3-b]fluorenes
    Ching-En Hung, Hsin-Chung Lin, Rumi Ozawa, Yoagajivan Rout, Hirokazu Miyoshi, Ichiro Hisaki, Yutaka Ie, Yen-Ju Cheng,* Yoshito Tobe*
    (Chem. Eur. J. 2025, 31, e02053) DOI:10.1002/chem.202502053
  7. Ring-Size Effect on Molecular Assembly Structures and Optical Properties of C3-Symmetrical Dehydrobenzoannulene Derivatives
    Yotaro Kasahara, Takashi Takeda,* Shun Dekura, Hayato Anetai, Atsuro Takai, Ichiro Hisaki, Masayuki Takeuchi, Tomoyuki Akutagawa*
    (J. Phys. Chem. B 2025, 129, 8603−8614) DOI: 10.1021/acs.jpcb.5c04027
  8. Layer Sliding-Induced Fluorescence Changes in a Flexible Hydrogen-Bonded Organic Framework
    Taito Hashimoto, Mario de la Hoz Tomás, Ryusei Oketani, Boiko Cohen, Abderrazzak Douhal,* Ichiro Hisaki*
    (Chem. Eur. J. 2025, 31, e202502078) DOI: 10.1002/chem.202502078
    Open access!
    2025CEJ-2.png
  9. Desolvation-Induced Network Reformation and Cracking in the Single Crystals of Hydrogen-Bonded Frameworks Composed of Tetraazaanthraquinone and Anthraquinone Derivatives
    Haruka Kubo, Ryusei Oketani, Ichiro Hisaki*
    (Angew. Chem. Int. Ed. 2025, 64, e202510977) DOI: 10.1002/anie.202510977
    Open access!
    2025ACIE2.png
  10. Formation of a hydrogen-bonded 63-network composed of 1,2,3-tris(4-carboxyphenyl)benzene
    Takuto Fujii, Kentaro Takaji, Kazuki Shiga, Ryusei Oketani, Hajime Shigemitsu, Toshiyuki Kida, Norimitsu Tohnai, Ichiro Hisaki*
    (Chem. Lett. 2025, 54, upaf111) DOI:10.1093/chemle/upaf1112025CL-1.png
  11. Supramolecular Polymorphism of Hydrogen-Bonded C3-Symmetrical Hexadehydrotribenzo[12]annulene Derivative
    Yotaro Kasahara, Takashi Takeda, Shun Dekura, Yoshiki Ishii, Hayato Anetai, Atsuro Takai, Ichiro Hisaki, Masayuki Takeuchi, Tomoyuki Akutagawa*
    (J. Am. Chem. Soc. 2025, 147, 18783-18795.) DOI: 10.1021/jacs.5c02529
  12. Hydrogen-Bonded Framework with Low-Density Hexagonal Network Structure Formed by Diethynylterphenyl-Bridged Macrocyclic Hexacarboxylic Acid
    Yuzuru Kanetada, Ryusei Oketani, Toshiyuki Sasaki, Kouhei Ichiyanagi, Ichiro Hisaki*
    (Asian J. Org. Chem. 2025, 14, e202500288) DOI: 10.1002/ajoc.202500288
    Dedicated to the memory of Prof. Dr. Masahiko Iyoda
    Open access!
    2025AJOC.png
  13. Hydrogen-bonded Ladder Frameworks Composed of Low Symmetric Tricarboxylic Acids
    Namiki Tanaka, Taito Hashimoto, Yuto Suzuki, Ryusei Oketani, Ichiro Hisaki*
    (Cryst. Growth Des. 2025, 25, 1851-1859.) DOI: 10.1021/acs.cgd.4c01697
    2025CGD.png
  14. A Robust Layer-Motif Composed of Binaphthyl Dibenzoic Acid Derivatives in Inclusion Crystals
    Ayano Fujiwara, Ryusei Oketani, Ichiro Hisaki*
    (Bull. Chem. Soc. Jpn. 2025, 98, uoaf013) DOI: 10.1093/bulcsj/uoaf013
    Featured as Selected Paper
    Inside Cover Picture
    2025BCSJ.png
  15. Conversion of Isolated Voids into Channel Spaces by Modulating The Stacking Manner of Hydrogen-Bonded Ladders
    Naoto Murakami, Ryusei Oketani, Ichiro Hisaki*
    (Chem. Asian J. 2025, 20, e202401317) DOI: 10.1002/asia.202401317
    2025CEJ.png
  16. Single crystalline, Non-stoichiometric Hydrogen-bonded Organic Frameworks Showing Versatile Fluorescence Depending on Composition Ratios and Distributions
    Taito Hashimoto, Mario de la Hoz Tomás, Ryusei Oketani, Boiko Cohen, Miki Naruoka, Norimitsu Tohnai, Abderrazzak Douhal,* Ichiro Hisaki*
    (Angew. Chem. Int. Ed. 2025, 64, e202419992) DOI: 10.1002/anie.202419992
    Open access!
    Selected for VIP (Very Important Paper)
    Back Side Cover Picture

    2025ACIE.png

著書（2025年）
  1. Design and Construction of Isoreticular Hydrogen-Bonded Organic Frameworks
    Ichiro Hisaki, Ryusei Oketani
    In Advances in Organic Crystal Chemistry -Comprehensive Reviews 2025 on Crystal Structures,     Eds. S. Kobatake and H. Uekusa, Springer, 2025, chapter 11, 254-272.
総説・解説（2024年）
  1. Supramolecular synthons, tectons, and crystal structures of noncovalent organic frameworks
    Ichiro Hisaki,* Takuto Fujii, Ryusei Oketani
    (Chem. Phys. Rev. 2024, 5, 041304.) DOI: 10.1063/5.0238032
  2. ナフタレン、キノキサリン、ピラジノピラジンを基盤とした同型フレームワークの構築
    久保遥, 小西俊輔, 桶谷龍成, 林高史, 久木一朗
    有機結晶部会ニュースレター Org. Cryst. Div. Newslett. 2024, 58, 5-6.
  3. セミ連続的温度サイクルによる軸性キラルなナフタミド誘導体のデラセミ化
    内藤陸, 桶谷龍成, 久木一朗
    有機結晶部会ニュースレター Org. Cryst. Div. Newslett. 2024, 58, 7-8.
  4. キラル化合物の融点相図の作成と結晶化による光学分割への適応
    桶谷龍成, 久木一朗
    (熱測定 2024, 51, 78-84.)
  5. Structural Details of Carboxylic Acid-based Hydrogen-bonded Organic Frameworks (HOFs)
    Yuto Suzuki, Ichiro Hisaki*
    (Polym. J. 2024, 56, 1-16.) DOI:    10.1038/s41428-023-00840-2 Open Access!
    Selected for Cover Picture
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