A solid-state fluorescent host system with a 21-helical column consisting of chiral (1R,2S)-2-amino-1,2-diphenylethanol and fluorescent 1-pyrenecarboxylic acid

被引：41

作者：

Imai, Yoshitane ^{[1
]}

Murata, Katuzo ^{[1
]}

Kawaguchi, Kakuhiro ^{[1
]}

Sato, Tomohiro ^{[2
]}

Tajima, Nobuo ^{[3
]}

Kuroda, Reiko ^{[2
,4
]}

Matsubara, Yoshio ^{[1
]}

机构：

[1] Kinki Univ, Fac Sci & Engn, Dept Appl Chem, Osaka 5778502, Japan

[2] JST ERATO SORST Kuroda Chiromorphol Team, Meguro Ku, Tokyo 1530041, Japan

[3] NIMS, Computat Mat Sci Ctr, Principles Simulat Grp 1, Tsukuba, Ibaraki 3050047, Japan

[4] Univ Tokyo, Dept Life Sci, Grad Sch Arts & Sci, Tokyo 1538902, Japan

来源：

CHEMISTRY-AN ASIAN JOURNAL | 2008年 / 3卷 / 03期

关键词：

crystal engineering; fluorescence; helical structures; host-guest systems; supramolecular chemistry;

D O I：

10.1002/asia.200700338

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：625 / 629

页数：5

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