芳构性可以成为动力学陷阱吗？由[2-5]轮烷构建的机械互锁芳构[18]轮烷的实例。
Can aromaticity be a kinetic trap? Example of mechanically interlocked aromatic [2-5]catenanes built from cyclo[18]carbon.
机构信息
Department of Chemistry and Biochemistry, Utah State University, 0300 Old Main Hill, Logan, UT 84322-0300, USA.
出版信息
Chem Commun (Camb). 2020 Mar 4;56(18):2711-2714. doi: 10.1039/c9cc09483k. Epub 2020 Feb 5.
PMID:32022006
Abstract
The unusual stability of cyclo[18]carbon arising from its aromaticity might be used to provide the kinetic trapping needed in the design of interlocked systems. The kinetic barrier separating the interlocked rings and the chemically bonded complex is about 30 kcal mol. In addition, the rings can slide freely, which is a promising property for the design of molecular gears and motors.
摘要
由于其芳香性，环[18]碳的不寻常稳定性可用于为互锁系统的设计提供所需的动力学捕获。将互锁环与化学键合的配合物分开的动力学障碍约为 30 kcal mol。此外，这些环可以自由滑动，这是设计分子齿轮和马达的一个有前途的特性。
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