Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Synthesis and Antimicrobial Activity of Oxazolone, Imidazolone and Triazine Derivatives Containing Benzothiophene

  • Naganagowda, Gadada (Research Center for Bioorganic Chemistry (RCBC), Department of Chemistry, Faculty of Science, Chulalongkorn University) ;
  • Petsom, Amorn (Research Center for Bioorganic Chemistry (RCBC), Department of Chemistry, Faculty of Science, Chulalongkorn University)
  • Received : 2011.04.12
  • Accepted : 2011.09.01
  • Published : 2011.11.20
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Abstract

3-Chloro-1-benzothiophene-2-carbonyl chloride 1 was reacted with glycine in acetone to give 3-chloro-1-benzothiophen-2-yl-carbonylaminoacetic acid 2. Various aldehydes on treatment with compound 2 in acetic anhydride to gave 1,3-oxazol-5-ones 3a-d. These oxazolones was treated with aromatic amines or hydrazides to get various imidazol-4-ones 4a-t or 5a-l. Oxazolones 3a-d was also treated with aromatic hydrazines, expansion of five member oxazole ring to six member triazine ring occurs to yield 1,2,4-triazin-6-ones 6a-h. The structures of all the synthesized compounds were confirmed by spectral data and had been screened for antibacterial activity.

Keywords

References

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