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  1. 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, in press) DOI: 10.1002/ajoc.202500288
    Dedicated to the memory of Prof. Dr. Masahiko Iyoda
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  2. 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
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  3. 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
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  4. 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
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  5. 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
    Selected for VIP (Very Important Paper)
    Back Side Cover Picture

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  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 Open Access!
  2. 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
  1. Synthesis, Solid State Structures, and Properties of Linear and Tripodal Flexible Molecules with Pyrazinopyrazine Moieties
    Yuto Ohmura, Ryusei Oketani, Akihito Konishi, Makoto Yasuda, Ichiro Hisaki*
    (Chem. Lett. 2024, 53, upae140) DOI: 10.1093/chemle/upae140
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  2. Crystallization-Induced Diastereomeric Transformation of Chiral Ozanimod Key Intermediate Using Homogeneous
    Ryusei Oketani,* Koki Shiohara, Ichiro Hisaki*
    (Cryst. Growth Des. 2024, 24, 5397-5401.) DOI: 10.1021/acs.cgd.4c00604
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  3. Transition Behaviors of Isostructural Hydrogen-Bonded Frameworks Composed of Naphthalene, Quinoxaline, and Pyrazinopyrazine Derivatives
    Haruka Kubo, Shunsuke Konishi, Ryusei Oketani, Takashi Hayashi, Ichiro Hisaki*
    (Chem. Eur. J. 2024, 30, e202401645.) DOI: 10.1002/chem.202401645 Open Access!
    Selected for Hot paper
    Selected for Inside Cover Picture

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  4. Unravelling the Photobehavior of 2,1,3-Benzothiadiazole-based HOF and its Molecular Units: Experimental and Theoretical Insights into their Spectroscopic Properties in Solutions and Solid State
    Mario de la Hoz Tomás, Juan Ángel Organero, Maria Rosaria di Nunzio, Taito Hashimoto, Ichiro Hisaki, Abderrazzak Douhal*
    (J. Mater. Chem. C 2024, 12, 9112-9129.) DOI: 10.1039/D4TC01368A
    Selected for Front Cover Picture
  5. Semicontinuous Temperature Cycle-Induced Deracemization Using an Axially Chiral Naphthamide
    Ryusei Oketani,* Riku Naito, Ichiro Hisaki*
    (Org. Process Res. Dev. 2024, 28, 3570-3577.) DOI: 10.1021/acs.oprd.4c00091
    Selected for Front Cover Picture
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  6. Photo-responsive Hydrogen-Bonded Molecular Networks Capable of Retaining Crystalline Periodicity after Isomerization
    Koki Kasuya, Ryusei Oketani, Souta Matsuda, Hiroyasu Sato, Fumitaka Ishiwari, Akinori Saeki, Ichiro Hisaki*
    (Angew. Chem. Int. Ed. 2024, e202404700) DOI: 10.1002/anie.202404700 Open Access !
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  7. A Hydrogen-Bonded, Hexagonally-Networked, Layered Framework with Large Aperture Designed by Structural Synchronization of a Macrocycle and Supramolecular Synthon
    Hiroki Yoshimura, Ryusei Oketani, Miki Naruoka, Norimitsu Tohnai, Ichiro Hisaki*
    (Precis. Chem. 2024, 2, 221-228.) DOI: 10.1021/prechem.4c00019 Open Access !
    Selected for Front Cover Picture

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  8. Thermal fluctuation-induced selective CO2 uptake of seemingly nonporous N,C-protected dipeptide crystals as elucidated by in situ X-ray crystallographic analysis
    Kazuaki Yamanaka, Ryusei Oketani, Yuya Mori, Takashi Sato, Seiji Tsuzuki, Hiroki Takahashi, Hirohito Tsue*
    (CrystEngComm 2024, 26, 2314-2321.) DOI: 10.1039/D3CE01018J
  9. An Expanded Hydrogen-bonded Organic Framework Formed by A Tetrakis(terphenyl)ethene Derivative
    Mao Yamaguchi, Mario de la Hoz Tomás, Ayano Fujiwara, Ryusei Oketani, Kohei Okubo, Kouki Oka, Norimitsu Tohnai, Abderrazzak Douhal,* Ichiro Hisaki*
    (Bull. Chem. Soc. J. 2024, 97, uoae004) DOI: 10.1093/bulcsj/uoae004
    Selected Paper
    Selected for Inside Cover Picture
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  1. HOFs Under Light: Relevance to Photon-Based Science and Applications
    Maria Rosariadi Nunzio, Ichiro Hisaki, Abderrazzak Douhal
    J. Photochem. Photobio. C: Photochem. Rev. 2021, 47, 100418.
    DOI: 10.1016/j.jphotochemrev.2021.100418
  1. Hydrogen-bonded porous frameworks constructed by rigid π-conjugated molecules with carboxy groups
    Ichiro Hisaki
    J. Incl. Phenom. Macro. Chem. 2020, 96, 215-231. (Open Access!)
    DOI: 10.1007/s10847-019-00972-0
  1. Layered Hydrogen-bonded Organic Frameworks as Highly Crystalline Porous Materials
    Ichiro Hisaki, Qin Ji, Kiyonori Takahashi, Takayoshi Nakamura
    In Advances in Organic Crystal Chemistry -Comprehensive Reviews 2020,
    Eds. M. Sakamoto and H. Uekusa, Springer, 2020, chapter 11, 199-220.