Abstract
Objective: A new class of ethylene/propylene-1H-1,2,3-triazole-4-methylene-tethered isatincoumarin hybrids 8a-j, integrating three anti-tuberculosis pharmacophores coumarin, isatin and 1,2,3- triazole was designed and synthesized.
Method: These hybrids were assessed for their in vitro anti-TB activity against MTB H37Rv and MDRTB, as well as anti-bacterial activity against Gram-positive and Gram-negative strains, and cytotoxicity in VERO cell line.
Results: The results showed that all hybrids with acceptable cytotoxicity (CC50: 64-512 µg/mL) exhibited weak to moderate anti-microbial activity. The most active hybrid 8i with MIC of 50 µg/mL against MTB H37Rv and MDR-TB, also has excellent cytotoxicity profile (CC50: 128 µg/mL).
Conclusion: The resistance index of hybrid 8i was 1, indicating that hybrid 8i has no cross-resistance with the first-line anti-TB agent. Thus, hybrid 8i could act as a lead for further optimization.
Keywords: Coumarin, 1, 2, 3-triazoleisatin, Hybrid compounds, Anti-bacterial, Anti-tuberculosis activity, Structure-activity relationship.
Current Topics in Medicinal Chemistry
Title:Design, Synthesis and In Vitro Anti-microbial Evaluation of Ethylene/ Propylene-1H-1,2,3-Triazole-4-Methylene-tethered Isatin-coumarin Hybrids
Volume: 17 Issue: 29
Author(s): Xiaohong Jin, Yan Xu , Xuhong Yang, Xiuling Chen , Minghu Wu*, Jianguo Guan and Lianshun Feng
Affiliation:
- School of Nuclear Technology and Chemistry & Life Science, Hubei University of Science and Technology, Xianning,China
Keywords: Coumarin, 1, 2, 3-triazoleisatin, Hybrid compounds, Anti-bacterial, Anti-tuberculosis activity, Structure-activity relationship.
Abstract: Objective: A new class of ethylene/propylene-1H-1,2,3-triazole-4-methylene-tethered isatincoumarin hybrids 8a-j, integrating three anti-tuberculosis pharmacophores coumarin, isatin and 1,2,3- triazole was designed and synthesized.
Method: These hybrids were assessed for their in vitro anti-TB activity against MTB H37Rv and MDRTB, as well as anti-bacterial activity against Gram-positive and Gram-negative strains, and cytotoxicity in VERO cell line.
Results: The results showed that all hybrids with acceptable cytotoxicity (CC50: 64-512 µg/mL) exhibited weak to moderate anti-microbial activity. The most active hybrid 8i with MIC of 50 µg/mL against MTB H37Rv and MDR-TB, also has excellent cytotoxicity profile (CC50: 128 µg/mL).
Conclusion: The resistance index of hybrid 8i was 1, indicating that hybrid 8i has no cross-resistance with the first-line anti-TB agent. Thus, hybrid 8i could act as a lead for further optimization.
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Cite this article as:
Jin Xiaohong , Xu Yan , Yang Xuhong, Chen Xiuling, Wu Minghu *, Guan Jianguo and Feng Lianshun , Design, Synthesis and In Vitro Anti-microbial Evaluation of Ethylene/ Propylene-1H-1,2,3-Triazole-4-Methylene-tethered Isatin-coumarin Hybrids, Current Topics in Medicinal Chemistry 2017; 17 (29) . https://dx.doi.org/10.2174/1568026618666171215102031
DOI https://dx.doi.org/10.2174/1568026618666171215102031 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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