Synthesis of a Chiral [2]Rotaxane: Induction of a Helical Structure through Double Threading
作者:Toshihiro Tsukamoto、Ryota Sasahara、Atsuya Muranaka、Yuzuki Miura、Yu Suzuki、Masaki Kimura、Shinobu Miyagawa、Tsuneomi Kawasaki、Nagao Kobayashi、Masanobu Uchiyama、Yuji Tokunaga
DOI:10.1021/acs.orglett.8b01727
日期:2018.8.17
A helically chiral [2]rotaxane featuring two ammonium ion recognition sites in the dumbbell-like component and a calix-bis-crown ether as the macrocyclic component was synthesized, but with no chirality in either individual component. The enantiomeric nature of the isomers, separated through chiral HPLC, was apparent in their CD spectra, which were mirror images for all wavelengths.
合成了一种螺旋手性的[2]轮烷,其在哑铃状组分中具有两个铵离子识别位点,并且以杯状-双冠醚为大环组分,但在任何单个组分中均没有手性。通过手性HPLC分离的异构体的对映体性质在其CD光谱中很明显,它们是所有波长的镜像。