Formation and regulation of supramolecular chirality in organogel via addition of tartaric acid
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  • 作者:XinHua Cao (1) (2)
    MingMing Zhang (1)
    KeYin Liu (1)
    YueYuan Mao (1)
    HaiChuang Lan (1)
    Bin Liu (1)
    Tao Yi (1)
  • 关键词:helical structure ; intermolecular H ; bond ; organogel ; self ; assembly ; tartaric acid
  • 刊名:Chinese Science Bulletin
  • 出版年:2012
  • 出版时间:November 2012
  • 年:2012
  • 卷:57
  • 期:33
  • 页码:4272-4277
  • 全文大小:943KB
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  • 作者单位:XinHua Cao (1) (2)
    MingMing Zhang (1)
    KeYin Liu (1)
    YueYuan Mao (1)
    HaiChuang Lan (1)
    Bin Liu (1)
    Tao Yi (1)

    1. Department of Chemistry, Fudan University, Shanghai, 200433, China
    2. College of Chemistry and Chemical Engineering, Xinyang Normal University, Xinyang, 464000, China
  • ISSN:1861-9541
文摘
A new 1,8-naphthalimide derivative was prepared in which the C-4 position was substituted by pyridin-4-ol. This derivative shows good gelation property that can gelate most of polar solvents. As an achiral molecule, helical fibre morphology was observed when the compound gelated acetone solvent. When 0.5 eq of D-tartaric acid or L-tartaric acid was added to the gel, the helical morphology was changed from left-handed to right-handed structure. This result was further proved by circular dichroism measurement. FT-IR experiment showed the formation of intermolecular H-bond between the gelator and tartaric acid. The photophysical properties of gelator had no difference before and after addition of tartaric acid; whereas the lamellar structure was varied by addition of tartaric acid.

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