title: When aryldiazonium salts meet vinyl diazoacetates: a cobalt-catalyzed regiospecific synthesis of N-arylpyrazoles.
abstract: A cobalt-catalyzed C-N bond formation between aryl diazonium salts and vinyl diazoacetates has been developed under relatively mild conditions. The N-arylpyrazoles have been prepared in moderate to high yields in a regiospecific way.
authors.affiliation: School of Pharmaceutical Engineering & Life Science, Changzhou University , Changzhou 213164, P. R. China.
authors.forename: Haiheng
authors.initials: H
authors.lastname: Guo
authors.forename: Daming
authors.initials: D
authors.lastname: Zhang
authors.forename: Chenghao
authors.initials: C
authors.lastname: Zhu
authors.forename: Jian
authors.initials: J
authors.lastname: Li
authors.forename: Guangyang
authors.initials: G
authors.lastname: Xu
authors.forename: Jiangtao
authors.initials: J
authors.lastname: Sun
mesh_terms: D001391:Azo Compounds / Q000737:chemistry*; D002384:Catalysis; D003035:Cobalt / Q000737:chemistry*; D003979:Diazonium Compounds / Q000737:chemistry*; D015394:Molecular Structure; D011720:Pyrazoles / Q000138:chemical synthesis* / Q000737:chemistry*; D012492:Salts / Q000737:chemistry*
chemical_list: D001391:Azo Compounds; D003979:Diazonium Compounds; D011720:Pyrazoles; D012492:Salts; D003035:Cobalt