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

页码：16553 / 16557

页数：5

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