Investigating Properties and Trends of Cocrystals Composed of Pyrogallol[4]arenes and Anthracene-Based Fluorescent Probes
作者:Constance R. Pfeiffer、Stuart G. Atwood、Luca Samadello、Jerry L. Atwood
DOI:10.1021/acs.cgd.5b00385
日期:2015.6.3
Cocrystals composed of various pyrogallol[4]arenes of different tail lengths with anthracene-based probes in a series of solvent systems are analyzed and compared with the aim to determine the effects of solvent, tail length, and functionality of the probe. The five main characteristics that are influenced are the bowl shape of the pyrogallol[4]arene, complexation of the probe molecule, the C–H···π interactions, the overall hydrogen bonding scheme, and the final ratio of probe to pyrogallol[4]arene. With modifications to the probe molecules, the characteristics most influenced are the bowl shape of the pyrogallol[4]arene, the C–H···π interactions, and the hydrogen bond schemes. Alterations in aliphatic tail length affect the complexation of the probe along with the C–H···π interactions and hydrogen bonding scheme. Solvent has an effect on the complexation of the probe, the final ratio of probe to pyrogallol[4]arene, the bowl shape of the pyrogallol[4]arene, and the hydrogen bonding schemes. Emerging trends due to these modifications are examined and discussed.
分析并比较了不同尾长的多种吡咯喹啉[4]芳烃与以蒽为基础的探针在一系列溶剂体系中形成的共晶,旨在确定溶剂、尾长和探针功能性的影响。受影响的五个主要特征是吡咯喹啉[4]芳烃的碗形状、探针分子的络合、C–H···π相互作用、整体氢键体系以及探针与吡咯喹啉[4]芳烃的最终比例。通过对探针分子的修改,最受影响的特征是吡咯喹啉[4]芳烃的碗形状、C–H···π相互作用以及氢键体系。脂肪族尾长的变化会影响探针的络合、C–H···π相互作用和氢键体系。溶剂对探针的络合、探针与吡咯喹啉[4]芳烃的最终比例、吡咯喹啉[4]芳烃的碗形状以及氢键体系都有影响。由于这些修改而出现的新趋势也进行了检查和讨论。