Synthesis and antimicrobial evaluation of some 1,2,4-triazole, 1,3,4-oxa(thia)diazole, and 1,2,4-triazolo[3,4-b]-1,3,4-thiadiazine derivatives

Article abstract of DOI:10.1002/hc.20162

3-Methyl-2-benzofurancarboxylic acid hydrazide (2) reacts with carbon disulfide and potassium hydroxide to give the corresponding potassium carbodithioate salt 3. Treatment of the latter salt with hydrochloric acid, hydrazine hydrate, and with phenacyl br