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Copper-Catalyzed Direct Aryl Quaternization of N-Substituted Imidazoles to Form Imidazolium Salts

Taiyong Lv, Zhi Wang, Jingsong You*, Jingbo Lan and Ge Gao*

*Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu 610064 P. R. China, Email: gg2bscu.edu.cn, jsyouscu.edu.cn

T. Lv, Z. Wang, J. You, J. Lan, G. Gao, J. Org. Chem., 2013, 78, 5723-5730.

DOI: 10.1021/jo400527r (free Supporting Information)


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Abstract

The use of a copper catalyst allows the construction of aryl imidazolium salts in good yields from N-substituted imidazoles and diaryliodonium salts. The reaction tolerates a broad range of functional groups and provides a straightforward, efficient, and versatile route to unsymmetric aryl imidazolium as well as triazolium salts.


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Key Words

imidazolium salts


ID: J42-Y2013