Enaminone-Derived Pyrazoles with Antimicrobial Activity

A series of pyrazoles derived from the substituted enaminones were synthesized and were evaluated for antimicrobial activity. All the compounds were characterized by the spectral data and elemental analysis. The synthesized compounds were initially screened for their antimicrobial activity against A...

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Main Authors: Mashooq Ahmad Bhat, Mohamed A. Al-Omar, Ahmed M. Naglah, Abdul Arif Khan
Format: Article
Language:English
Published: Wiley 2019-01-01
Series:Journal of Chemistry
Online Access:http://dx.doi.org/10.1155/2019/2467970
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author Mashooq Ahmad Bhat
Mohamed A. Al-Omar
Ahmed M. Naglah
Abdul Arif Khan
author_facet Mashooq Ahmad Bhat
Mohamed A. Al-Omar
Ahmed M. Naglah
Abdul Arif Khan
author_sort Mashooq Ahmad Bhat
collection DOAJ
description A series of pyrazoles derived from the substituted enaminones were synthesized and were evaluated for antimicrobial activity. All the compounds were characterized by the spectral data and elemental analysis. The synthesized compounds were initially screened for their antimicrobial activity against ATCC 6538, NCTC 10400, NCTC 10418, and ATCC 27853. During initial screening, compounds (P1, P6, and P11) presented significant antimicrobial activity through disc diffusion assay. These compounds were further evaluated for antimicrobial activity at different time points against Gram-positive and Gram-negative bacteria and presented significant activity for 6 hours. The activity was found to be greater against Gram-positive bacteria. In contrast at 24 hours, the activity was found only against Gram-positive bacteria except compound (P11), showing activity against both types of bacteria. Compound (P11) was found to have highest activity against both Gram-positive and Gram-negative bacteria.
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institution Kabale University
issn 2090-9063
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publishDate 2019-01-01
publisher Wiley
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series Journal of Chemistry
spelling doaj-art-e06df0e44f11420fa63d48a2a447302c2025-02-03T05:59:31ZengWileyJournal of Chemistry2090-90632090-90712019-01-01201910.1155/2019/24679702467970Enaminone-Derived Pyrazoles with Antimicrobial ActivityMashooq Ahmad Bhat0Mohamed A. Al-Omar1Ahmed M. Naglah2Abdul Arif Khan3Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi ArabiaDepartment of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi ArabiaDepartment of Pharmaceutical Chemistry, Drug Exploration and Development Chair (DEDC), College of Pharmacy, King Saud University, Riyadh 11451, Saudi ArabiaDepartment of Pharmaceutics, College of Pharmacy, King Saud University, Riyadh 11451, Saudi ArabiaA series of pyrazoles derived from the substituted enaminones were synthesized and were evaluated for antimicrobial activity. All the compounds were characterized by the spectral data and elemental analysis. The synthesized compounds were initially screened for their antimicrobial activity against ATCC 6538, NCTC 10400, NCTC 10418, and ATCC 27853. During initial screening, compounds (P1, P6, and P11) presented significant antimicrobial activity through disc diffusion assay. These compounds were further evaluated for antimicrobial activity at different time points against Gram-positive and Gram-negative bacteria and presented significant activity for 6 hours. The activity was found to be greater against Gram-positive bacteria. In contrast at 24 hours, the activity was found only against Gram-positive bacteria except compound (P11), showing activity against both types of bacteria. Compound (P11) was found to have highest activity against both Gram-positive and Gram-negative bacteria.http://dx.doi.org/10.1155/2019/2467970
spellingShingle Mashooq Ahmad Bhat
Mohamed A. Al-Omar
Ahmed M. Naglah
Abdul Arif Khan
Enaminone-Derived Pyrazoles with Antimicrobial Activity
Journal of Chemistry
title Enaminone-Derived Pyrazoles with Antimicrobial Activity
title_full Enaminone-Derived Pyrazoles with Antimicrobial Activity
title_fullStr Enaminone-Derived Pyrazoles with Antimicrobial Activity
title_full_unstemmed Enaminone-Derived Pyrazoles with Antimicrobial Activity
title_short Enaminone-Derived Pyrazoles with Antimicrobial Activity
title_sort enaminone derived pyrazoles with antimicrobial activity
url http://dx.doi.org/10.1155/2019/2467970
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AT ahmedmnaglah enaminonederivedpyrazoleswithantimicrobialactivity
AT abdularifkhan enaminonederivedpyrazoleswithantimicrobialactivity