首页> 外文期刊>Chemistry: A European journal >Enantiopure, monodisperse alleno-acetylenic cyclooligomers: Effect of symmetry and conformational flexibility on the chiroptical properties of carbon-rich compounds
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Enantiopure, monodisperse alleno-acetylenic cyclooligomers: Effect of symmetry and conformational flexibility on the chiroptical properties of carbon-rich compounds

机译:对映体,单分散的烯基-炔属环低聚物:对称性和构象柔韧性对富碳化合物手性的影响

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摘要

A series of enantiopure, monodisperse alleno-acetylenic cyclooligomers were synthesized. The single-crystal X-ray structures of the cyclic trimer and hexamer were resolved, providing insights into the symmetry of these molecules. Electronic circular dichroism (ECD), optical rotatory dispersion (ORD), Raman spectroscopy, and vibrational circular dichroism (VCD) data were analyzed with the aid of theoretical calculations. This multidimensional approach ultimately provided general guidelines that are useful for designing carbon-rich compounds with intense chiroptical properties. A multidimensional approach to study chirality: Enantiopure, monodisperse alleno-acetylenic cyclooligomers were synthesized and analyzed by many spectroscopic methods. Based on these analyses, we suggest some general guidelines for the construction of chiral carbon-rich molecules with strong chiroptical properties.
机译:合成了一系列对映纯,单分散的烯基-炔属环寡聚物。解析了环状三聚体和六聚体的单晶X射线结构,从而洞察了这些分子的对称性。借助理论计算对电子圆二色性(ECD),旋光色散(ORD),拉曼光谱和振动圆二色性(VCD)数据进行了分析。这种多维方法最终提供了通用指南,可用于设计具有强烈手性的富碳化合物。研究手性的多维方法:合成了对映体纯,单分散的烯基-炔属环低聚物,并通过许多光谱方法进行了分析。基于这些分析,我们为构建具有强手性的手性富碳分子提供了一些通用指导。

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