Hydrogen-Bonding-Induced One-Handed Helical Polynorbornenes Appended With Chiral Alanine

被引：2
|
作者：
Kao, Ming-Jui [1 ]
Chen, Chih-Hsien [1 ]
Tsai, Po-Yu [1 ]
Lim, Tsong-Shin [2 ]
Lin, Kin-Chuan [1 ]
Luh, Tien-Yau [1 ]
机构：
[1] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan
[2] Tunghai Univ, Dept Phys, Taichung 407, Taiwan
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2011年 / 212卷 / 21期
关键词：
alanine pendants; anthracene; circular dichroism; hydrogen bonding; polynorbornenes; OPENING METATHESIS POLYMERIZATION; LIQUID-CRYSTALLINE POLYNORBORNENES; DOUBLE-STRANDED POLYBISNORBORNENES; SIDE-CHAIN; MODEL COMPOUNDS; THERMOTROPIC BEHAVIOR; IMMISCIBLE COMPONENTS; EXCITON CHIRALITY; EXCIMER EMISSION; PENDANT GROUPS;
D O I：
10.1002/macp.201100471
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Polynorbornenes appended with anthracene and chiral alanine linkers are synthesized. Hydrogen bonding between the adjacent bisamidic linkers brings adjacent anthracene chromophores in a more suitable orientation for exciton coupling and renders one-handed helical structures for these polymers. Excimer formation is observed from their emission spectra. Monoamidic linkers provide only one hydrogen bond, which would be less robust and result in much lower circular dichroic response.
引用
收藏
页码：2328 / 2338
页数：11
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