Biomimetic Synchronized Motion of Two Interacting Macrocycles in [3]Rotaxane-Based Molecular Shuttles
| Autor: | Li-Shuo Zheng, Wei Jiang, Jie-Shun Cui |
|---|---|
| Rok vydání: | 2019 |
| Předmět: |
chemistry.chemical_classification
Rotaxane Macrocyclic Compounds Magnetic Resonance Spectroscopy Rotaxanes 010405 organic chemistry Chemistry Supramolecular chemistry Motion (geometry) Cooperativity Hydrogen Bonding General Medicine General Chemistry 010402 general chemistry 01 natural sciences Catalysis Molecular machine 0104 chemical sciences Motion Chemical physics Biomimetics Non-covalent interactions Self-assembly |
| Zdroj: | Angewandte Chemie (International ed. in English). 58(42) |
| ISSN: | 1521-3773 |
| Popis: | Noncovalent interactions between all the neighboring components in biomolecular machines are responsible for their synchronized motion and thus complex functions. This strategy has rarely been used in multicomponent molecular machines. Here, we report four [3]rotaxane-based molecular shuttles. Noncovalent interactions among the three components (two interacting macrocycles and one axle) not only cause a "systems-level" effect on the relative positions of the two macrocycles along the axle, but also result in a synchronized motion of the two macrocycles when adding partial amount of stimuli. Moreover, the intermediate state with one shuttled macrocycle even exist predominantly in the solution during the titration of stimuli, which is theoretically unexpected for the [3]rotaxane with two non-interacting rings. This biomimetic strategy may provide a method for constructing highly complex molecular machines. |
| Databáze: | OpenAIRE |
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