Controlling substitution patterns on the 1,2,4-triazolo[1,5- a]pyrimidine ring. Selective removal of chlorine at the 7-position

Article abstract of DOI:10.1002/jhet.5570360127

A highly effective method for the selective removal of chlorine from the 7-position of the 1,2,4-triazolo[1,5-a]pyrimidine ring in the presence of chlorine at the 5- or 6-positions is reported. The method involves treatment of the appropriate substrate wi