作者:Keiji Hirose、Yoshinobu Shiba、Kazuaki Ishibashi、Yasuko Doi、Yoshito Tobe
DOI:10.1002/chem.200702001
日期:2008.4.7
reported. It is a photochemically and thermally reactive rotaxane composed of a dianthrylethane-based macrocycle as the ring component and a dumbbell shaped molecular unit with two, secondary ammonium stations separated by a phenylene spacer as the axle component. The rate of shuttling motion was shown to be reduced to less than 1 % (from 340 to <2.5 s(-1)) by reducing the size of the ring component from
报告了具有可逆制动功能的穿梭分子机器原型的设计,合成和演示。它是一种光化学和热反应性轮烷,由基于二蒽乙烷的大环作为环组分和哑铃状分子单元组成,其中两个亚铵站被亚苯基间隔基隔开,作为轴组分。通过在光辐照下将环组分的大小从30冠8减少到24冠8大环,表明穿梭运动的速率降低到小于1%(从340降低到<2.5 s(-1))。 。通过热环打开,环组件会变回30-crown-8,从而建立可逆的制动功能,该功能可响应光化学和热刺激而发挥作用。