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Synthesis and Antimicrobial Activity of Some New 1,3,4-Thiadiazole Derivatives
Department of Chemistry, Faculty of Science, Cairo University, Giza 12613, Egypt
* Author to whom correspondence should be addressed.
Received: 16 October 2012; in revised form: 23 November 2012 / Accepted: 26 November 2012 / Published: 10 December 2012
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.
Keywords: antimicrobial activity; enaminone; 1,3,4-thiadiazole; hydrazonoyl halides
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MDPI and ACS Style
Farghaly, T.A.; Abdallah, M.A.; Aziz, M.R.A. Synthesis and Antimicrobial Activity of Some New 1,3,4-Thiadiazole Derivatives. Molecules 2012, 17, 14625-14636.
Farghaly TA, Abdallah MA, Aziz MRA. Synthesis and Antimicrobial Activity of Some New 1,3,4-Thiadiazole Derivatives. Molecules. 2012; 17(12):14625-14636.
Farghaly, Thoraya A.; Abdallah, Magda A.; Aziz, Mohamed R.A. 2012. "Synthesis and Antimicrobial Activity of Some New 1,3,4-Thiadiazole Derivatives." Molecules 17, no. 12: 14625-14636.