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Green synthesis and pharmacological screening of polyhydroquinoline derivatives bearing a fluorinated 5-aryloxypyrazole nucleus

机译:含有氟化5-芳氧基吡唑核的多羟基喹啉衍生物的绿色合成及药理筛查

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摘要

A novel series of polyhydroquinoline scaffolds 8a-p has been designed and synthesized under ultrasonic irradiation by a one-pot three-component cyclocondensation reaction of 3-methyl-5substituted aryloxy-1-phenyl-1H-pyrazole-4-carbaldehydes 3a-d with malononitrile 7 and various enhydrazinoketones 6a-e in the presence of piperidine as basic catalyst. All the synthesized compounds have been characterized by various spectroscopic techniques and elemental analysis. All the synthesized compounds were evaluated for their in vitro antibacterial activity against a panel of pathogenic strains of bacteria and fungi, in vitro antitubercular activity against Mycobacterium tuberculosis H37Rv strain and also for their in vitro antimalarial activity against Plasmodium falciparum. Compounds 8c, 8i, 8j, 8l and 8m exhibited excellent antimalarial potency. The cytotoxicity of the synthesized compounds was tested using a bioassay of S. pombe cells at the cellular level. Compounds 8i, 8j, 8k and 8l were found to have maximum toxicity, while compounds 8e, 8m, 8c were found to be less cytotoxic. Some of them displayed luminous antibacterial activity and reasonable antituberculosis activity as compared with the first line drugs.
机译:通过3-甲基-5 - 5取代的芳基氧基-1-苯基-1H-吡唑-4- Carbaldehys 3A-D的单罐三分 - 三分环致反应,设计和合成了一种新的多羟基喹啉支架8A-P的多羟基喹啉支架8A-P。在哌啶作为碱性催化剂存在下,亚锰腈7和各种增强肼基酮6A-E。所有合成的化合物的特征在于各种光谱技术和元素分析。评价所有合成的化合物对其对细菌和真菌的致病菌株组的体外抗菌活性,对抗结核分枝杆菌H37RV菌株的体外抗细胞活性,以及​​对疟原虫的体外抗疟疾活性。化合物8C,8I,8J,8L和8M表现出优异的抗疟性效力。在细胞水平下使用S.Pombe细胞的生物测定来测试合成化合物的细胞毒性。发现化合物8i,8j,8k和8L具有最大毒性,而发现化合物8e,8m,8c的细胞毒性较少。与第一线药物相比,其中一些显示出明亮的抗菌活性和合理的抗尿嘧啶活性。

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  • 来源
    《RSC Advances》 |2015年第21期|共10页
  • 作者单位

    Sardar Patel Univ Dept Chem Vallabh Vidyanagar 388120 Gujarat India;

    Sardar Patel Univ Dept Chem Vallabh Vidyanagar 388120 Gujarat India;

    Sardar Patel Univ Dept Chem Vallabh Vidyanagar 388120 Gujarat India;

    Sardar Patel Univ Dept Chem Vallabh Vidyanagar 388120 Gujarat India;

    Sardar Patel Univ Dept Chem Vallabh Vidyanagar 388120 Gujarat India;

    Sardar Patel Univ BR Doshi Sch Biosci Vallabh Vidyanagar 388120 Gujarat India;

    Sardar Patel Univ BR Doshi Sch Biosci Vallabh Vidyanagar 388120 Gujarat India;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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