A solid-state fluorescent host system with a 2(1)-helical column consisting of chiral (1R,2S)-2-amino-1,2-diphenylethanol and fluorescent 1-pyrenecarboxylic acid.

A solid-state fluorescent host system with a 2(1)-helical column consisting of chiral (1R,2S)-2-amino-1,2-diphenylethanol and fluorescent 1-pyrenecarboxylic acid.
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具有 2(1)-螺旋柱的固态荧光主体系统,由手性 (1R,2S)-2-氨基-1,2-二苯基乙醇和荧光 1-芘甲酸组成。

DOI:
10.1002/asia.200700338
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发表时间:
2008
期刊:
Chemistry, an Asian journal
影响因子:
--
通讯作者:
Y. Matsubara
Y. Matsubara
中科院分区:
--
文献类型:
--
作者:
Y. Imai;Katuzo Murata;K. Kawaguchi;Tomohiro Sato;N. Tajima;R. Kuroda;Y. Matsubara

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由(1R,2S)-2-氨基-1,2-二苯乙醇和1-吡喃甲酸组成的2(1)-螺旋柱状有机荧光团自组装形成了固体荧光基质体系。该主体体系具有特征的2(1)-螺旋柱状氢键和离子键网络。该色谱柱自组装形成通道状空腔,通过调整该色谱柱的填充物,可以将各种客体分子包括在内。此外,该主体体系的固态荧光可以随着所含客体分子的不同而变化。这是因为根据所包括的客体分子的大小,随着共用的2(1)螺旋柱的填料的调整,芘环的相对排列发生了变化。因此,这种宿主系统可以识别分子大小和形状的细微差异。
A solid-state fluorescent host system was created by self-assembly of a 2(1)-helical columnar organic fluorophore composed of (1R,2S)-2-amino-1,2-diphenylethanol and fluorescent 1-pyrenecarboxylic acid. This host system has a characteristic 2(1)-helical columnar hydrogen- and ionic-bonded network. Channel-like cavities are formed by self-assembly of this column, and various guest molecules can be included by tuning the packing of this column. Moreover, the solid-state fluorescence of this host system can change according to the included guest molecules. This occurs because of the change in the relative arrangement of the pyrene rings as they adjust to the tuning of the packing of the shared 2(1)-helical column, according to the size of the included guest molecules. Therefore, this host system can recognize slight differences in molecular size and shape.
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