Abstract
New series of 1,3,4-thiadiazoles have been prepared
via
reaction of 1,3,4-thiadiazolenaminones
1
with
N
-phenyl 2-oxopropanehydrazonoyl chloride (
2
) in dioxane in the presence of triethylamine. Also, some new heterocycles incorporating 1,3,4-thiadiazole ring were obtained by reaction of 1,3,4-thiadiazolenaminones
1
with nitrogen-nucleophiles like hydrazine hydrate, 3-amino-1,2,4-triazole and 2-aminobenzimidazole. The structure of the new products was established based on elemental and spectral analysis. The relation between the structure of the products and their activity towards some microorganisms was studied and promising results were obtained.