Route to Pyrazolo[5,1-a]isoquinolines via a Copper-Catalyzed Tandem Reaction of 2-Alkynylbromobenzene with Pyrazole
摘要:
A copper-catalyzed tandem reaction of 2-alkynylbromobenzene and pyrazole is described that provides a facile route to pyrazolo[5,1-a]isoquinolines in good yields. During the reaction process, copper(1)-catalyzed hydroamination and C-H activation are involved.