title: Transition-metal-free coupling reactions.
authors.affiliation: Beijing National Laboratory of Molecular Sciences (BNLMS) and Key Laboratory of Bioorganic Chemistry and Molecular Engineering of Ministry of Education, College of Chemistry and Green Chemistry Center, Peking University , 202 Chengfu Road, 098#, Beijing 100871, China.
authors.forename: Chang-Liang
authors.initials: CL
authors.lastname: Sun
authors.forename: Zhang-Jie
authors.initials: ZJ
authors.lastname: Shi