Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives
Background & Aims: In this research, a novel series of heterocyclic compounds containing pyrazoline nuclei was synthesized in two steps. Materials & Methods: In the first step, chalcones were prepared using the Claisen-Schmidt reaction between substituted benzaldehydes and acetophenone deri...
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| Format: | Article |
| Language: | English |
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Urmia University of Medical Sciences
2025-04-01
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| Series: | Health Science Monitor |
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| Online Access: | http://hsm.umsu.ac.ir/article-1-213-en.pdf |
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| author | Sevda Afzal-Ahangaran Yaeghob Sharifi Maryam Allahyari-Devin |
| author_facet | Sevda Afzal-Ahangaran Yaeghob Sharifi Maryam Allahyari-Devin |
| author_sort | Sevda Afzal-Ahangaran |
| collection | DOAJ |
| description | Background & Aims: In this research, a novel series of heterocyclic compounds containing pyrazoline nuclei was synthesized in two steps.
Materials & Methods: In the first step, chalcones were prepared using the Claisen-Schmidt reaction between substituted benzaldehydes and acetophenone derivatives. In the second step, the chalcones were cyclized under acidic conditions with hydrazine derivatives to produce pyrazolines. All compounds were characterized through physical, chromatographic, spectroscopic, and elemental analyses, and their antibacterial properties were tested using seven microorganisms. The minimum inhibitory concentrations of all compounds were determined using the broth dilution method.
Results: Among them, compound 2f (4-(1, 5-diphenyl-4, 5-dihydro-1H-pyrazol-3-yl) phenol) exhibited the highest antibacterial and antifungal activity, making it the most potent compound in the series.
Conclusion: These results indicate that increasing the polarity of the compounds enhanced their efficacy against Gram-positive strains, whereas derivatives containing at least one methoxy group in their structure suppressed Gram-negative growth. |
| format | Article |
| id | doaj-art-0538fa4e157549919b92bede38f9c064 |
| institution | OA Journals |
| issn | 2980-8723 |
| language | English |
| publishDate | 2025-04-01 |
| publisher | Urmia University of Medical Sciences |
| record_format | Article |
| series | Health Science Monitor |
| spelling | doaj-art-0538fa4e157549919b92bede38f9c0642025-08-20T01:49:07ZengUrmia University of Medical SciencesHealth Science Monitor2980-87232025-04-0142131139Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivativesSevda Afzal-Ahangaran0Yaeghob Sharifi1Maryam Allahyari-Devin2 Department of Medicinal Chemistry, School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran Department of Microbiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran Department of Medicinal Chemistry, School of Pharmacy, Urmia University of Medical Sciences, Urmia, Iran Background & Aims: In this research, a novel series of heterocyclic compounds containing pyrazoline nuclei was synthesized in two steps. Materials & Methods: In the first step, chalcones were prepared using the Claisen-Schmidt reaction between substituted benzaldehydes and acetophenone derivatives. In the second step, the chalcones were cyclized under acidic conditions with hydrazine derivatives to produce pyrazolines. All compounds were characterized through physical, chromatographic, spectroscopic, and elemental analyses, and their antibacterial properties were tested using seven microorganisms. The minimum inhibitory concentrations of all compounds were determined using the broth dilution method. Results: Among them, compound 2f (4-(1, 5-diphenyl-4, 5-dihydro-1H-pyrazol-3-yl) phenol) exhibited the highest antibacterial and antifungal activity, making it the most potent compound in the series. Conclusion: These results indicate that increasing the polarity of the compounds enhanced their efficacy against Gram-positive strains, whereas derivatives containing at least one methoxy group in their structure suppressed Gram-negative growth.http://hsm.umsu.ac.ir/article-1-213-en.pdfantibiotic resistanceantimicrobial activityphenylhydrazinepyrazolinessynthesis |
| spellingShingle | Sevda Afzal-Ahangaran Yaeghob Sharifi Maryam Allahyari-Devin Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives Health Science Monitor antibiotic resistance antimicrobial activity phenylhydrazine pyrazolines synthesis |
| title | Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives |
| title_full | Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives |
| title_fullStr | Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives |
| title_full_unstemmed | Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives |
| title_short | Development of novel antimicrobial agents: investigating the efficacy of 1,3,5-Triphenyl-2-pyrazoline derivatives |
| title_sort | development of novel antimicrobial agents investigating the efficacy of 1 3 5 triphenyl 2 pyrazoline derivatives |
| topic | antibiotic resistance antimicrobial activity phenylhydrazine pyrazolines synthesis |
| url | http://hsm.umsu.ac.ir/article-1-213-en.pdf |
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