Tristable [n]rotaxanes: from molecular shuttle to molecular cable car

被引：90

作者：

Meng, Zheng ^{[1
,2
]}

Xiang, Jun-Feng ^{[1
]}

Chen, Chuan-Feng ^{[1
]}

机构：

[1] Chinese Acad Sci, Beijing Natl Lab Mol Sci, Inst Chem, CAS Key Lab Mol Recognit & Funct, Beijing 100190, Peoples R China

[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

CHEMICAL SCIENCE | 2014年 / 5卷 / 04期

基金：

中国国家自然科学基金;

关键词：

INFORMATION RATCHET; TRIAZOLIUM STATION; MACHINES; DRIVEN; SWITCHES; ROTAXANE; MUSCLES; MOTORS; MOTION; CHAIN;

D O I：

10.1039/c3sc53295j

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

New tristable [n]rotaxanes (n = 2, 3, 4) were developed based on host-guest interactions, featuring pyromellitic diimide (PmI), anthraquinone (AQ) and N-methyltriazolium (MtA) units as the three kinds of recognition sites and triptycene-derived macrocycle(s) as the moveable part. In the [2]rotaxane molecular shuttle, the states of the macrocycle on different sites can be reversibly and controllably switched using chemical stimuli. The controllable motion mode of the [2]rotaxane molecular shuttle can be extended to its analogous oligorotaxanes, thus creating synchronous behavior for the macrocycles and producing an original visual prototype of artificial molecular machines (AMMs)-molecular cable car.

引用

页码：1520 / 1525

页数：6

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