title: Direct arylation of unactivated aromatic C-H bonds catalyzed by a stable organic radical.
abstract: A stable zwitterionic radical can catalyze direct arylation of unactivated aromatic C-H bonds via a chain homolytic aromatic substitution mechanism in the presence of potassium tert-butoxide.
authors.affiliation: Department of Chemistry, University of Science and Technology of China, Hefei 230026, China. gpyong@ustc.edu.cn
authors.forename: Guo-Ping
authors.initials: GP
authors.lastname: Yong
authors.forename: Wen-Long
authors.initials: WL
authors.lastname: She
authors.forename: Yi-Man
authors.initials: YM
authors.lastname: Zhang
authors.forename: Ying-Zhou
authors.initials: YZ
authors.lastname: Li