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KMID : 0043320080310030279
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Archives of Pharmacal Research
2008 Volume.31 No. 3 p.279 ~ p.293
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Synthesis and Antimicrobial Activity of Certain New 1,2,4-Triazolo[1,5-a]Pyrimidine Derivatives
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Mostafa, Yaser A.H.
Hussein Mostafa A.
Krafy Abd El-Hamid
Radwan Awwad A.
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Abstract
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Certain new derivatives of 1,2,4-triazolo[1,5-a]pyrimidines were synthesized through the reaction of 1,2,4-triazolo[1,5-a]pyrimidine-7-o1 with ethyl bromoacetate to afford the ethyl acetate ester, which upon hydrazinolysis gives the corresponding hydrazide. The hydrazide is the key intermediate which was used for the synthesis of the target compounds. The structures of the new compounds were assigned by spectral and elemental methods of analyses. The synthesized compounds were tested for their in vitro antibacterial and antifungal activities. Most of the tested compounds showed comparable results with those of ampicillin and fluconazole reference drugs.
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KEYWORD
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1,2,4-Triazolo[1,5-a]pyrimidine, Hydrazinolysis, N-Amino-1,2,4-triazole-5-thione, Antibacterial, Antifungal activities
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