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KMID : 0043320110340081239
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Archives of Pharmacal Research
2011 Volume.34 No. 8 p.1239 ~ p.1250
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Synthesis, anti-inflammatory, analgesic, and antibacterial activities of some triazole, triazolothiadiazole, and triazolothiadiazine derivatives
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Hussein Mostafa A.
Shaker Refaat M.
Ameen Mohammed A.
Mohammed Mohammed F.
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Abstract
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This study is concerned with the synthesis of new 1,2,4-triazoles, 1,3,4-thiadiazoles, and 1,3,4-thiadiazines derivatives. Derivatives 3a?i were obtained by condensation of 4-amino-3-(4-pyridine)-5-mercapto-1,2,4-triazole 1 with the appropriate aldehyde. Compounds 4a?i were synthesized in a one pot reaction involving compounds 3a?i, formaldehyde, and morpholine. Condensation of compound 1 with the appropriate acids or 4-substituted phenacyl bromide gave compounds 6a?d and 8a?f respectively. The chemical structures of the newly synthesized derivatives were elucidated using different spectral and elemental methods of analysis. All compounds were evaluated for their anti-inflammatory activity and the most potent derivatives were tested for their analgesic activity using indomethacin as a reference drug. In addition, ulcerogenicity and LD50 for the most active compounds were evaluated. Moreover, the antibacterial activities of the newly synthesized derivatives were investigated.
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KEYWORD
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1,2,4-Triazoles, Triazolothiadiazoles, Triazolothiadiazines, Anti-inflammatory, Analgesic, Antibacterial
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