5319-50-6Relevant articles and documents
Copper(I)-catalyzed cycloaddition of 4-bromosydnones and alkynes for the regioselective synthesis of 1,4,5-trisubstituted pyrazoles
Decuypere, Elodie,Specklin, Simon,Gabillet, Sandra,Audisio, Davide,Liu, Hui,Plougastel, Lucie,Kolodych, Sergii,Taran, Frédéric
supporting information, p. 362 - 365 (2015/01/30)
Copper-catalyzed cycloaddition of alkynes with 4-bromosydnones provides a convenient, mild, and regioselective method for the synthesis of a wide range of bromopyrazoles. The broad functional group tolerance of the cycloaddition reaction and further palla