Light-driven open-close motion of chiral molecular scissors
Light-driven open-close motion of chiral molecular scissors
复制标题
DOI：
10.1021/ja034994f
复制
发表时间：
2003-05-14
影响因子：
15
通讯作者：
Aida, T
中科院分区：
文献类型：
--
作者：
Muraoka, T;Kinbara, K;Aida, T
合成了第一个以1，1 '，3，3'-四芳基二茂铁为支点，偶氮苯为驱动部分的“光驱动手性分子剪刀”（1）。对1的对映异构体的光诱导异构化过程的吸收、圆二色性（CD）和1H NMR光谱研究与DFT计算的预测一致，其中通过连接偶氮苯带的光驱动收缩/膨胀将手柄的运动通过二茂铁单元的枢转运动转化为叶片部分的开-关运动。
The first example of “light-driven chiral molecular scissors” (1), which consists of 1,1‘,3,3‘-tetraarylferrocene as a pivot part and azobenzene as a driving part, was synthesized. Absorption, circular dichroism (CD), and1H NMR spectral studies on the photoinduced isomerization process of an enantiomer of1agreed well with a prediction by a DFT calculation, where a motion of the handles via light-driven contraction/expansion of the connecting azobenzene strap was transformed, through a pivotal motion of the ferrocene unit, into an open−close motion of the blade parts.