Copper-catalyzed cyclization reaction: Unique synthesis of condensed thiazoles and selenazoles

摘要

Syntyhesis of a variety of thiazolopyrimidines, thiazolo-1,2,4-triazines and selenazolo-1,2,4-triazines has been carried out by the catalytic action of Cu(II) salt on the corresponding propargylthio and propargylseleno derivatives.