title: Cu-catalyzed controllable C-H mono-/di-/triarylations of imidazolium salts for ionic functional materials.
abstract: Herein the Cu-catalyzed direct C-H mono-, di- and triarylations of imidazolium salts with aryl iodides/bromides are accomplished for the first time. The unprecedented alkenylation and alkynylation are also realized using alkenyl and alkynyl iodides, respectively. Moreover, triarylated imidazolium salts with different substituents can be accessed in a modular and one-pot manner. This protocol provides an efficient tool for the assembly of diverse imidazolium-based ionic functional materials. As applicable examples, an electrochromic bisbenzimidazolium salt 7 and a photochromic triarylimidazolium salt 8 are easily obtained.
authors.affiliation: Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064, P. R. China. gg2b@scu.edu.cn jsyou@scu.edu.cn.
authors.forename: Shiqing
authors.initials: S
authors.lastname: Li
authors.forename: Junbin
authors.initials: J
authors.lastname: Tang
authors.forename: Yinsong
authors.initials: Y
authors.lastname: Zhao
authors.forename: Ruyong
authors.initials: R
authors.lastname: Jiang
authors.forename: Tianbao
authors.initials: T
authors.lastname: Wang
authors.forename: Ge
authors.initials: G
authors.lastname: Gao
authors.forename: Jingsong
authors.initials: J
authors.lastname: You