Supramolecular packing of alkyl substituted Janus face all-<i>cis</i> 2,3,4,5,6-pentafluorocyclohexyl motifs
作者:Joshua L. Clark、Alaric Taylor、Ailsa Geddis、Rifahath M. Neyyappadath、Bruno A. Piscelli、Cihang Yu、David B. Cordes、Alexandra M. Z. Slawin、Rodrigo A. Cormanich、Stefan Guldin、David O'Hagan
DOI:10.1039/d1sc02130c
日期:——
orientation, and accommodating strong supramolecular interactions between rings. Langmuir isotherm analysis on a water subphase of a long chain fatty acid and alcohol carrying terminal all-cis 2,3,4,5,6-pentafluorocyclohexyl rings do not show any indication of monolayer assembly relative to their cyclohexane analogues, instead the molecules appear to aggregate and form higher molecular assemblies prior to
本研究利用 X 射线晶体学、理论和 Langmuir 等温线分析来探索烷基全顺2,3,4,5,6-五氟环己基基序的构象和分子堆积,这些基序是通过烷基或乙烯基直接芳基氢化制备的-五氟芳基苯。有利的构象保留了全顺式2,3,4,5,6-五氟环己基环系统的极性更强的三轴C-F键排列,其中烷基取代基采用赤道取向,并适应环之间强的超分子相互作用。对带有末端全顺式 2,3,4,5,6-五氟环己基环的长链脂肪酸和醇的水亚相进行朗缪尔等温线分析,没有显示出相对于其环己烷类似物的单层组装的任何迹象,而是分子出现在压缩之前聚集并形成更高的分子组装体。该研究表明了该环系统作为有序超分子组装的基序的力量和潜力。