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Showing 1–6 of 6 results
Advanced filters: Author: Ichiro Hisaki Clear advanced filters

  • Chiral molecules form one-handed supramolecular assemblies but may be induced to switch to the other handed assembly, although the mechanisms driving these processes are unclear. Here, the authors demonstrate control of the supramolecular assembly handedness via the introduction of achiral counter ions.

    • Toshiyuki Sasaki
    • Ichiro Hisaki
    • Mikiji Miyata
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-7

  • 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.

    • Ryo Nozawa
    • Jinseok Kim
    • Hiroshi Shinokubo
    ResearchOpen Access
    Nature Communications
    Volume: 10, P: 1-7

  • It has been proposed that stacking antiaromatic molecules can build three-dimensional aromaticity, but this claim has lacked experimental validation. Here the authors report that π–π stacked antiaromatic porphyrins display significantly reduced antiaromaticity in solid state and in solution.

    • Ryo Nozawa
    • Hiroko Tanaka
    • Hiroshi Shinokubo
    ResearchOpen Access
    Nature Communications
    Volume: 7, P: 1-7

  • Crystalline porous molecular frameworks formed through intermolecular hydrogen bonding calling hydrogen-bonded organic frameworks (HOFs) have recently been investigated as a new family of functional porous materials. In this review, HOFs composed of tritopic, tetratopic, and hexatopic carboxylic acid derivatives, which form H-bonded network such as those with hcb, sql, and hxl topologies depending on the numbers, positions, and orientations of the carboxy groups and conformational flexibility of the molecular skeletons, are reviewed by considering structural aspects such as isostructurality.

    • Yuto Suzuki
    • Ichiro Hisaki
    ReviewsOpen Access
    Polymer Journal
    Volume: 56, P: 1-16