Patent ID: 11859077
Assignee: ARIZONA BOARD OF REGENTS ON BEHALF OF ARIZONA STATE UNIVERSITY
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  H  Y | IPC C  H

Claim 0:
1. A method of preparing a diamine imidazolium halide, the method comprising:
reacting a haloalkylamine with a triphenylmethyl halide to yield a protected haloalkylamine, wherein the haloalkylamine is a primary amine and the protected haloalkylamine is a secondary amine;
reacting the protected haloalkylamine with an alkylimidazole to yield a bisubstituted alkylimidazole;
removing the triphenylmethyl from the bisubstituted alkylimidazole to yield a halide derivative of the bisubstituted alkylimidazole; and
neutralizing the halide derivative of the bisubstituted alkylimidazole to yield the diamine imidazolium halide,
wherein:
the haloalkylamine is bromoethylamine,
the triphenylmethyl halide is tritylchloride,
the protected haloalkylamine is bromoethyltriphenylmethylamine;
the alkylimidazole is 2-methylimidazole, and
the diamine imidazolium halide is 1,3-di(2′-aminoethylene)-2-methylimidazolium bromide.