Assembly and Chiral Memory Effects of Dynamic Macroscopic Supramolecular Helices

被引：20
|
作者：
Yuan, Tianyu [1 ,2 ,3 ]
Sun, Zhimin [1 ]
Mu, Anthony U. [2 ]
Zeng, Minxiang [4 ]
Kalin, Alexander J. [2 ]
Cheng, Zhengdong [4 ]
Olson, Mark A. [1 ]
Fang, Lei [2 ,3 ]
机构：
[1] Tianjin Univ, Sch Pharmaceut Sci & Technol, Hlth Sci Platform, 92 Weijin Rd, Tianjin 300072, Peoples R China
[2] Texas A&M Univ, Dept Chem, 3255 TAMU, College Stn, TX 77843 USA
[3] Texas A&M Univ, Dept Mat Sci & Engn, 3003 TAMU, College Stn, TX 77843 USA
[4] Texas A&M Univ, Artie McFerrin Dept Chem Engn, 100 Spence St, College Stn, TX 77843 USA
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2018年 / 24卷 / 62期
基金：
美国国家科学基金会;
关键词：
chiral memory; donor-acceptor systems; helical structures; self-assembly; supramolecular chemistry; MESOPOROUS SILICA; AMPLIFICATION; SYSTEMS; PORPHYRIN; MOLECULES; WATER; POLYACETYLENE; FABRICATION; INDUCTION; NANOTUBES;
D O I：
10.1002/chem.201803005
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Macroscopic enantiomerically pure helical supramolecular fibers are bottom-up assembled in aqueous media from a chiral pi-electron donor template and an achiral pi-electron acceptor. The helices can be assembled to the sub-millimeter scale with controlled handedness. These dynamic supramolecular architectures allow for a quantitative exchange of the chiral donor template with achiral analogues. During this process, a chiral memory effect was observed, affording enantiomerically pure helices composed entirely of achiral components.
引用
收藏
页码：16553 / 16557
页数：5
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