Helicity induction and memory of a lipophilic Bronsted acid-type poly(phenylacetylene) in non-polar solvents

被引：1
|
作者：
Nishikawa, Yuki [1 ]
Hirose, Daisuke [2 ]
Sona, Shota [1 ]
Maeda, Katsuhiro [2 ,3 ]
机构：
[1] Kanazawa Univ, Grad Sch Frontier Sci Initiat, Kakuma Machi, Kanazawa 9201192, Japan
[2] Kanazawa Univ, Grad Sch Nat Sci & Technol, Kakuma Machi, Kanazawa 9201192, Japan
[3] Kanazawa Univ, WPI Nano Life Sci Inst WPI NanoLSI, Kakuma Machi, Kanazawa 9201192, Japan
来源：
CHEMICAL COMMUNICATIONS | 2023年 / 59卷 / 53期
关键词：
MACROMOLECULAR HELICITY; HELIX INDUCTION; CHIRAL AMPLIFICATION; FUNCTIONAL-GROUPS; BEARING; POLYACETYLENE; POLYMERS; AMINES; POLY((4-CARBOXYPHENYL)ACETYLENE); MECHANISM;
D O I：
10.1039/d3cc01521a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel lipophilic Bronsted acid-type PPA (poly-1-H) bearing a sulfonylphosphoramidic acid moiety, covered with a dynamically axially chiral biphenyl pendant, was synthesized and found to form a preferred-handed helical conformation in non-polar solvents upon complexation with non-racemic amines. This induced helicity was maintained after replacement with achiral amines ("dynamic helicity memory"). In addition, poly-1-H exhibited "static helicity memory" in which the induced helical conformation was maintained in non-polar solvents, even after acidification with a stronger acid without replacement with achiral amines.
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收藏
页码：8226 / 8229
页数：5
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