期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 42, 期 6, 页码 868-872出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2006.11.019
关键词
iodobenzene diacetate; bistriazolopyrimidines; antibacterial activity
Nine 3,9-diaryl- and 3,9-difuryl-bis-1,2,4-triazolo[4,3-a][4,3-clpyrimidines (3a-i) have been synthesized by the oxidation of bis-2,4-pyrimidinylhydrazones of various araldehydes and furfural with 2 equiv of iodobenzene diacetate (IBD) in dichloromethane and tested in vitro for their antibacterial activity. Three compounds, namely 3,9-di-(4'-fluorophenyl)-bis-1,2,4-triazolo[4,3-al[4,3-c]pyrimidine (3f), 3,9-di-(4'-nitrophenyl)-bis- 1,2,4-triazolo[4,3-a] [4,3-c]pyrimidine (3g) and 3,9-di-(5'-nitro-2'-furyl)-bis- 1,2,4-triazolo[4,3-a] [4,3-c]pyrimidine (3i), were associated with substantially higher antibacterial activity than some commercial antibiotics against Gram-positive bacteria namely Staphylococcus aureus, Staphylococcus epidermidis and Bacillus subtilis; two Gram-negative bacteria namely Salmonella typhi and Escherichia coli at MIC (minimum inhibitory concentration) 10 mu g/ml. (c) 2006 Elsevier Masson SAS. All rights reserved.
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