الفهرس 
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Abstract
Triazole and tetrazole analogues play an important role in medicinal and
bioorganic chemistry owing to their antimicrobial, antifungal, anticancer,
and anti-inflammatory activities. O-Phenylenediamine (1) was reacted
with carbon disulphide and potassium hydroxide to afford the
corresponding 2-mercaptobenzimidazole (2), which reacted with dimethyl
sulphate and potassiumhydroxide to give 2-(methylthio)-1Hbenzo[d]imidazole (3). The compound 3 was reacted with hydrazine
hydrate to give the corresponding hydrazide 4. Hydrazide 4 was reacted
with acetic acid to give triazole derivative 5. The triazole 5 was reacted
with acrylonitrile to afford 2-(3-methyl-1H-benzo[4,5]imidazo[2,1-
c][1,2,4]triazol-1-yl)acetonitrile (6).