Bulletin of the Korean Chemical Society

  • 제33권12호
  • /
  • Pages.4180-4184
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  • 2012
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  • 0253-2964(pISSN)
  • /
  • 1229-5949(eISSN)
대한화학회 (Korean Chemical Society)
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Some Pyridyl- and Thiophenyl-Substituted 1,2,4-Triazolo[3,4-b]1,3,4-thiadiazole Derivatives as Potent Antibacterial

  • Maqsood, Muhammad Rizwan (Department of Chemistry, Quaid-i-Azam University) ;
  • Hanif, Muhammad (Department of Chemistry, Quaid-i-Azam University) ;
  • Rafiq, Muhammad (Department of Biology, Kongju National University) ;
  • Saleem, Muhammad (Department of Chemistry, Kongju National University) ;
  • Zaib, Sumera (Department of Pharmaceutical Sciences, COMSATS Institute of Information Technology) ;
  • Khan, Aftab Ahmed (Department of Pharmaceutical Sciences, COMSATS Institute of Information Technology) ;
  • Iqbal, Mazhar (National Institute for Biotechnology & Genetic Engineering (NIBGE)) ;
  • Iqbal, Jamshed (Department of Pharmaceutical Sciences, COMSATS Institute of Information Technology) ;
  • Rama, Nasim Hasan (Department of Chemistry, Quaid-i-Azam University) ;
  • Seo, Sung-Yum (Department of Biology, Kongju National University) ;
  • Lee, Ki-Hwan (Department of Chemistry, Kongju National University)
  • 투고 : 2012.09.17
  • 심사 : 2012.10.29
  • 발행 : 2012.12.20
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초록

The target compounds 6-11a-e were synthesized by condensing 4-amino-5-aryl-3H-1,2,4-triazole-3-thiones 5a-f with various aromatic carboxylic acids in the presence of phosphorous oxychloride. The structures of newly synthesized compounds were characterized by IR, $^1H$ NMR, $^{13}C$ NMR, elemental analysis and mass spectrometric studies. All the synthesized compounds were screened for their antibacterial activity. Almost all the tested compounds were potent against four different strains of bacteria when compared with that of reference drug ciprofloxacin. Compounds 6c, 6e, 8d, 9b, 9e, 11a and 11b showed nearly equal or lower MIC values than standard drug, against all four tested bacterial strains but rest of the compounds showed excellent antibacterial activities.

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참고문헌

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피인용 문헌

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