期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 140, 期 40, 页码 12724-12727出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.8b08590
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资金
- Royal Society
Mechanical bonds are known to efficiently absorb mechanical energy at low forces, but their behavior at high forces is unknown. Here we investigate the impact of a mechanical bond on the rate of activation of a Diels-Alder mechanophore. Using a combination of experimental and computational techniques, we found that the rate of a retro-Diels-Alder reaction under tension is decreased when the mechanophore is embedded in the axle of a rotaxane due to the presence of a competing high-stress region at the junction between the macrocycle and the axle.
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