Thermally-Stable Imidazolium Dicationic Ionic Liquids with Pyridine Functional Groups was written by Clarke, Coby J.;Bui-Le, Liem;Hallett, Jason P.;Licence, Peter. And the article was included in ACS Sustainable Chemistry & Engineering in 2020.HPLC of Formula: 21252-69-7 This article mentions the following:
Thermally-stable ionic liquids (ILs) have limited structural possibilities and lack coordinating anions or functional groups. Thermal stability effectively incurs a tunability penalty, limiting ionic liquid function to render them as simple heat-stable fluids. In this work, a series of new thermally-stable dicationic ionic liquids with pyridine functional groups, abbreviated [(C8ImC1)2Py][A]2, are presented and compared to nonfunctional geminal dicationic ILs. All ILs have been thermally characterized to understand their elevated temperature stabilities and the processes that lead to their decomposition Importantly, functional [(C8ImC1)2Py][A]2 with noncoordinating anions (i.e., [NTf2]–) have thermal stabilities comparable to those of geminal dicationic ILs, with the added advantage of a functional pyridine moiety. Dissolution of Zn[NTf2]2 in [(C8ImC1)2Py][NTf2]2 is demonstrated, and the resulting solutions are characterized to show their liquid properties, high thermal stabilities, and the coordination of the metal center to the functional group. This is the first example of a thermally-stable functional IL with the potential to reclaim the tunable, task-specific nature of ILs at elevated temperatures Importantly, these properties open new avenues for high-temperature applications of IL by extending their operational ranges; catalysis, metal remediation, and separation-based applications are potential key areas of improvement. A thermally-stable, functional ionic liquid is described that can extend the operating ranges of task-specific ionic liquids In the experiment, the researchers used many compounds, for example, 1-Octyl-1H-imidazole (cas: 21252-69-7HPLC of Formula: 21252-69-7).
1-Octyl-1H-imidazole (cas: 21252-69-7) belongs to imidazole derivatives. Imidazole is the basic core of some natural products such as histidine, purine, histamine and DNA based structures, etc. Among the different heterocyclic compounds, imidazole is better known due to its broad range of chemical and biological properties. This ring system is present in important biological building blocks, such as histidine and the related hormone histamine.HPLC of Formula: 21252-69-7
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem