Cu-catalyzed controllable C-H mono-/di-/triarylations of imidazolium salts for ionic functional materials

被引：37

作者：

Li, Shiqing ^{[1
]}

Tang, Junbin ^{[1
]}

Zhao, Yinsong ^{[1
]}

Jiang, Ruyong ^{[1
]}

Wang, Tianbao ^{[1
]}

Gao, Ge ^{[1
]}

You, Jingsong ^{[1
]}

机构：

[1] Sichuan Univ, Coll Chem, Minist Educ, Key Lab Green Chem & Technol, 29 Wangjiang Rd, Chengdu 610064, Peoples R China

来源：

CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 24期

关键词：

N-HETEROCYCLIC CARBENE; SUBSTITUTED IMIDAZOLES; DIRECT ARYLATION; PALLADIUM; COMPLEXES; LIGANDS; LIQUIDS; QUATERNIZATION; REACTIVITY; HALIDES;

D O I：

10.1039/c7cc01076a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：3489 / 3492

页数：4

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