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首页> 外文期刊>Medicinal chemistry research: an international journal for rapid communications on design and mechanisms of action of biologically active agents >Synthesis of some new 3,5-diamino-4-(4/-fluorophenylazo)-l-aryl/heteroarylpyrazoles as antimicrobial agents
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Synthesis of some new 3,5-diamino-4-(4/-fluorophenylazo)-l-aryl/heteroarylpyrazoles as antimicrobial agents

机译:某些新型3,5-二氨基-4-(4 /-氟苯基偶氮)-1-芳基/杂芳基吡唑类化合物的合成

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摘要

Synthesis of some new 3,5-diamino-4-(4'-fiuor-ophenylazo)-l-aryl/heteroarylpyrazoles (5a-Si) was achieved by the treatment of aryl/heteroarylhydrazines 4a-4i with 2-[(4-fluorophenyl)hydrazono]malononitrile 3 in refluxing ethanol. The structure of the compounds was established on the basis of IR, NMR (~1H and 13C) and mass spectral studies. All the nine synthesized compounds were screened for their in vitro antimicrobial activity against two Gram-positive (Staphylococcus aureus, Bacillus subtilis), two Gram-negative bacteria (Escherichia coli, Klebesiella aerogenes) and three pathogenic fungi (Aspergillus niger, Candida albicans, and Saccharomyces cerevisiae).
机译:通过用2-[(4-)处理芳基/杂芳基肼4a-4i,合成了一些新的3,5-二氨基-4-(4'-氟-邻苯偶氮)-1-芳基/杂芳基吡唑(5a-Si)。回流乙醇中的氟苯基)肼基丙二腈3。化合物的结构是根据IR,NMR(〜1H和13C)和质谱研究确定的。筛选了所有九种合成化合物的体外抗菌活性,它们对两种革兰氏阳性菌(金黄色葡萄球菌,枯草芽孢杆菌),两种革兰氏阴性菌(大肠杆菌,产气克雷伯氏菌)和三种病原性真菌(黑曲霉,白色念珠菌和酿酒酵母)。

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