New ionic organic compounds containing a linear tris(imidazolium) core and their thermotropic liquid crystal behavior was written by Schenkel, Magdalene R.;Shao, Renfan;Robertson, Lily A.;Wiesenauer, Brian R.;Clark, Noel A.;Gin, Douglas L.. And the article was included in Liquid Crystals in 2013.Computed Properties of C11H20N2 This article mentions the following:
Imidazolium-containing thermotropic ionic liquid crystals (TILCs) are of interest because of their structural similarity to imidazolium-based ionic liquids (ILs), allowing them to exhibit some IL-like properties in addition to the LC order. More imidazolium units are important for increasing the IL character; however, the effect of multiple imidazolium units on LC behavior is not well known. Most reported imidazolium TILCs contain one imidazolium unit; only a handful containing multiple imidazolium units is known. The only examples of TILCs with multiple imidazolium units sequentially linked with a flexible spacer are based on an alkyl- or oligo(ethylene oxide)-bridged bis(imidazolium) core with an n-alkyl tail at each end. Herein, a series of ten new sym. compounds containing three hexyl-bridged imidazolium bromide units as the core and two terminal alkyl chains was synthesized and analyzed. Thermotropic LC phases were generally not observed for homologs with even-numbered tails less than 16 carbons. However, after initial annealing, the homologs containing 16-carbon, 18-carbon and 20-carbon tails, all form a smectic A phase in the 25-137° range, with the latter two also forming a higher-order smectic phase. This indicates that with sufficiently long alkyl tails to counterbalance the poly(ion) core, these tris(imidazolium) salts can exhibit thermotropic mesomorphism. The title compounds thus formed included a tris[imidazolium] tribromide compound (I) [1,3-bis[6-(1-alkyl-1H-imidazolium-3-yl)hexyl]imidazolium tribromide] and related substances. The synthesis of the target compounds was achieved by a reaction of 1,3-bis(6-bromohexyl)-1H-imidazolium bromide with alkyl bromides. In the experiment, the researchers used many compounds, for example, 1-Octyl-1H-imidazole (cas: 21252-69-7Computed Properties of C11H20N2).
1-Octyl-1H-imidazole (cas: 21252-69-7) belongs to imidazole derivatives. Imidazole derivatives generally have good solubility in protic solvents. Simple imidazole derivatives, such as 1H-imidazole, 2-methyl-1H-imidazole, and 1,2-dimethylimidazole, have very high solubility in water. This ring system is present in important biological building blocks, such as histidine and the related hormone histamine.Computed Properties of C11H20N2
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem