Question

Synthesis of acicic ionic liquid by reaction of n-methyl imidazole and chloro sulfonic acid

Answer 1

Scheme 1: Synthesis of brnsted acidic ionic liquid. 13 ... (SO3H)2Cl2, chlorosulfonic acid (2 equiv.) ... reaction of triethylamine, 1-methyl imidazole, or imidazole.

Answer 2

Scheme 1: Synthesis of brnsted acidic ionic liquid. ... Furthermore, according to the literature reports, in the reaction of triethylamine, 1-methyl imidazole, or imidazole with chlorosulfonic acid, the nitrogen atoms of amines act as a nucleophile (not base) and attack the sulfur atom of ClSO 3H [22].