There is provided a process for the extraction of at least one aromatic compound from a mixture with at least one aliphatic hydrocarbon, which process comprises contacting said mixture with a salt that is in a liquid state at a temperature below 150°C, said salt having a cation which comprises an aromatic nitrogen-containing heterocyclic ring system, in which a nitrogen atom forming part of said ring system is quaternised and in which said ring system is substituted by at least one electron-withdrawing substituent. Some of said salts are novel.
提供了一种从至少一种
脂肪烃混合物中提取至少一种芳香化合物的方法,该方法包括将所述混合物与一种在低于150°C的温度下处于液态的盐接触,所述盐具有含芳香
氮杂环环系统的阳离子,其中构成所述环系统的一个
氮原子被季
铵化,并且所述环系统被至少一个电子吸引取代基取代。其中一些所述盐是新颖的。