New chalcone derivatives as potential antimicrobial and antioxidant agent

Abstract Seven chalcone derivatives were synthesized by the Claisen-Schmidt condensation. The structures of the compounds were confirmed by spectral data (Ultraviolet/visible, infrared, nuclear magnetic resonance and mass spectroscopy). The compounds were tested for their in silico and in vitro anti...

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Main Authors: Emelda N. Okolo, David I. Ugwu, Benjamin E. Ezema, Joseph C. Ndefo, Florence U. Eze, Chidimma G. Ezema, James A. Ezugwu, Oguejiofo T. Ujam
Format: Article
Language:English
Published: Nature Portfolio 2021-11-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-01292-5
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author Emelda N. Okolo
David I. Ugwu
Benjamin E. Ezema
Joseph C. Ndefo
Florence U. Eze
Chidimma G. Ezema
James A. Ezugwu
Oguejiofo T. Ujam
author_facet Emelda N. Okolo
David I. Ugwu
Benjamin E. Ezema
Joseph C. Ndefo
Florence U. Eze
Chidimma G. Ezema
James A. Ezugwu
Oguejiofo T. Ujam
author_sort Emelda N. Okolo
collection DOAJ
description Abstract Seven chalcone derivatives were synthesized by the Claisen-Schmidt condensation. The structures of the compounds were confirmed by spectral data (Ultraviolet/visible, infrared, nuclear magnetic resonance and mass spectroscopy). The compounds were tested for their in silico and in vitro antimicrobial and antioxidant activities. The molecular docking assessments showed that all the compounds exhibited good binding affinity with the target microorganism proteins but, compounds 6e and 6g showed better binding affinity compared with the standards. The antimicrobial test revealed that all the compounds screened were active against Staphylococcus aureus and Bacillus subtilis and had minimum inhibitory concentrations (MIC) between 0.4 and 0.6 mg/mL. Compounds 6a, 6c and 6d had moderate activities on Salmonella typhi. Compounds 6b and 6c had moderate activity on Escherichia coli. Compound 6c had moderate activity on Aspergillus niger while compounds 6a and 6e had poor activity. All the compounds except compound 6e had no inhibition against Pseudomonas aeruginosa. The in-vitro antioxidant activity was assessed using ethylenediaminetetraacetate (EDTA) as the standard. Compounds 6c, 6e and 6g gave excellent inhibitory activity better than the standard. Compound 6a gave good activity at 500 μg/mL and 1000 μg/mL concentrations but, below the standard at 250 μg/mL and no inhibition at 125 μg/mL. Compound 6d had good inhibition at 500 μg/mL and 1000 μg/mL but, no inhibition at 125 μg/mL and 250 μg/mL. Compound 6b was found to be inactive in all the concentrations. Absorption, distribution, metabolism and excretion properties of the compounds were assessed using SwissADME. The results of lead likeness showed that compound 6e is a lead-like molecule.
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spelling doaj.art-0e1b0848605a4dd4a03ea813f064e5d72022-12-21T21:19:43ZengNature PortfolioScientific Reports2045-23222021-11-0111111310.1038/s41598-021-01292-5New chalcone derivatives as potential antimicrobial and antioxidant agentEmelda N. Okolo0David I. Ugwu1Benjamin E. Ezema2Joseph C. Ndefo3Florence U. Eze4Chidimma G. Ezema5James A. Ezugwu6Oguejiofo T. Ujam7Department of Pure and Industrial Chemistry, University of NigeriaDepartment of Pure and Industrial Chemistry, University of NigeriaDepartment of Pure and Industrial Chemistry, University of NigeriaDepartment of Science Laboratory Technology, University of NigeriaDepartment of Pure and Industrial Chemistry, University of NigeriaNational Center for Energy Research and Development, University of NigeriaDepartment of Pure and Industrial Chemistry, University of NigeriaDepartment of Pure and Industrial Chemistry, University of NigeriaAbstract Seven chalcone derivatives were synthesized by the Claisen-Schmidt condensation. The structures of the compounds were confirmed by spectral data (Ultraviolet/visible, infrared, nuclear magnetic resonance and mass spectroscopy). The compounds were tested for their in silico and in vitro antimicrobial and antioxidant activities. The molecular docking assessments showed that all the compounds exhibited good binding affinity with the target microorganism proteins but, compounds 6e and 6g showed better binding affinity compared with the standards. The antimicrobial test revealed that all the compounds screened were active against Staphylococcus aureus and Bacillus subtilis and had minimum inhibitory concentrations (MIC) between 0.4 and 0.6 mg/mL. Compounds 6a, 6c and 6d had moderate activities on Salmonella typhi. Compounds 6b and 6c had moderate activity on Escherichia coli. Compound 6c had moderate activity on Aspergillus niger while compounds 6a and 6e had poor activity. All the compounds except compound 6e had no inhibition against Pseudomonas aeruginosa. The in-vitro antioxidant activity was assessed using ethylenediaminetetraacetate (EDTA) as the standard. Compounds 6c, 6e and 6g gave excellent inhibitory activity better than the standard. Compound 6a gave good activity at 500 μg/mL and 1000 μg/mL concentrations but, below the standard at 250 μg/mL and no inhibition at 125 μg/mL. Compound 6d had good inhibition at 500 μg/mL and 1000 μg/mL but, no inhibition at 125 μg/mL and 250 μg/mL. Compound 6b was found to be inactive in all the concentrations. Absorption, distribution, metabolism and excretion properties of the compounds were assessed using SwissADME. The results of lead likeness showed that compound 6e is a lead-like molecule.https://doi.org/10.1038/s41598-021-01292-5
spellingShingle Emelda N. Okolo
David I. Ugwu
Benjamin E. Ezema
Joseph C. Ndefo
Florence U. Eze
Chidimma G. Ezema
James A. Ezugwu
Oguejiofo T. Ujam
New chalcone derivatives as potential antimicrobial and antioxidant agent
Scientific Reports
title New chalcone derivatives as potential antimicrobial and antioxidant agent
title_full New chalcone derivatives as potential antimicrobial and antioxidant agent
title_fullStr New chalcone derivatives as potential antimicrobial and antioxidant agent
title_full_unstemmed New chalcone derivatives as potential antimicrobial and antioxidant agent
title_short New chalcone derivatives as potential antimicrobial and antioxidant agent
title_sort new chalcone derivatives as potential antimicrobial and antioxidant agent
url https://doi.org/10.1038/s41598-021-01292-5
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