Synthesis and Antimicrobial Activity of Some New Benzimidazole Derivatives
S. H. Ali Abdelwahed, H. H. Fahmy, Afaf H. El-masry
Molecules · 2000
doi:10.3390/51201429 (opens in a new tab)
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Abstract
Reaction of 3-(2-methylbenzimidazol-1-yl)propanoic acid hydrazide (1) with CS2/KOH gave oxadiazole 2 which underwent Mannich reaction to give 3. Compound 2 was treated with hydrazine hydrate to give triazole 4 which was treated with both aldehydes and acetic anhydride to give 5 and 6, respectively. Carbohydrazide 1 was reacted with ethyl acetoacetate, acetylacetone and aldehydes to give 7, 8 and 9, respectively. Cyclocondensation of 9 with thioglycolic and thiolactic acids gave 10 and 11, respectively. Some of these compounds showed potential antimicrobial activities.
Abstract licence: CC BY
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