Synthesis of a pH-Sensitive Hetero[4]Rotaxane Molecular Machine that Combines [c2]Daisy and [2]Rotaxane Arrangements

被引：34

作者：

Waeles, Philip ^{[1
]}

Riss-Yaw, Benjamin ^{[1
]}

Coutrot, Frederic ^{[1
]}

机构：

[1] Univ Montpellier, Supramol Machines & ARchitectures Team, IBMM UMR CNRS 5247, ENSCM,Fac Sci, Case Courrier 1706,Batiment Chim 17,3eme Etage, F-34095 Montpellier 5, France

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2016年 / 22卷 / 20期

关键词：

daisy chain; molecular devices; biomimetic synthesis; rotaxanes; template synthesis; SUPRAMOLECULAR DAISY CHAINS; LINEAR ROTAXANE DIMER; 1.3-DIPOLARE CYCLOADDITIONEN; MUSCLES; CONSTRUCTION; SYSTEMS; CONTRACTION; MACROCYCLE; STRATEGY; KINETIK;

D O I：

10.1002/chem.201600453

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The synthesis of a novel pH-sensitive hetero[4]rotaxane molecular machine through a self-sorting strategy is reported. The original tetra-interlocked molecular architecture combines a [c2]daisy chain scaffold linked to two [2]rotaxane units. Actuation of the system through pH variation is possible thanks to the specific interactions of the dibenzo-24-crown-8 (DB24C8) macrocycles for ammonium, anilinium, and triazolium molecular stations. Selective deprotonation of the anilinium moieties triggers shuttling of the unsubstituted DB24C8 along the [2]rotaxane units.

引用

页码：6837 / 6845

页数：9

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