Synthesis and properties of helical polyamides containing atropisomeric binaphthyl units and crown ether rings in the main chain

被引：8
作者：
Agata, Y [1 ]
Kobayashi, M [1 ]
Kimura, H [1 ]
Takeishi, M [1 ]
机构：
[1] Yamagata Univ, Dept Polymer Sci & Engn, Yamagata 9928510, Japan
来源：
POLYMER JOURNAL | 2002年 / 34卷 / 12期
关键词：
helical polymer; polyamide; crown ether; atropisomeric binaphthyl;
D O I：
10.1295/polymj.34.962
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Chiral polyamides containing axially dissymmetric binaphthyl twists and crown ether rings in their main chain were synthesized by the palladium-catalyzed reaction of atropisometric (R)- or (S)-BEBN, carbon monoxide, and trans- or cis-DADBC. Incorporation of monovalent metal ions into the crown ether rings in the main chain caused conformational changes of the helical polyamides, which was revealed by changes in CD spectra of them.
引用
收藏
页码：962 / 966
页数：5
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