Synthesis of ionic liquid based on polysiloxane with quaternized imidazolium moiety was written by Ichikawa, Tsukasa;Wako, Tsuyoshi;Nemoto, Nobukatsu. And the article was included in Polymer Bulletin (Heidelberg, Germany) in 2016.Computed Properties of C11H20N2 This article mentions the following:
Polysiloxane derivatives having quaternized imidazolium moieties with different length of alkyl chains ([HPImn]Cl) (n is the number of methylene group) were prepared via quaternization reaction of poly(3-chloropropylmethylsiloxane) (P1) with 1-alkylimidazole derivatives (Imns). [HPImn]Cls were obtained with high quaternization ratio from 95 to 100 mol%. The glass transition temperatures (Tgs) of a series of [HPImn]Cls were lowered with increase in the length of alkyl chain in the case of the number of methylene group from 1 to 6; however, those were a little raised when the number of methylene group was 7 and 8 plausibly owing to the effects of the van der Waals interactions among long alkyl chains. [HPImn]Cls were dissolved in high polar solvents such as methanol, DMSO, N,N-dimethylformamide and water. Also, the increase in the length of alkyl chains in [HPImn]Cls improved the solubility in low polar organic solvents such as chloroform and dichloromethane. 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. Many natural products, especially alkaloids, contain the imidazole ring. These imidazoles share the 1,3-C3N2 ring but feature varied substituents. The pharmacophore of imidazole exists in bioactive compounds including amino acids, plant growth regulators and therapeutic agents.n increase of the alkyl chain length of the alcohols. Computed Properties of C11H20N2
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem