When Aryldiazonium Salts Meet Vinyl Diazoacetates: A Cobalt-Catalyzed Regiospecific Synthesis of N-Arylpyrazoles
摘要:
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.