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Elkanzi NAA, Hrichi H, Muqbil Alsirhani A, Bakr RB. Antioxidant and Antimicrobial Potential of 1,8-Naphthyridine Based Scaffolds: Design, Synthesis and in Silico Simulation Studies within Topoisomerase II. Chem Biodivers 2024; 21:e202301746. [PMID: 38459958 DOI: 10.1002/cbdv.202301746] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 01/24/2024] [Accepted: 03/09/2024] [Indexed: 03/11/2024]
Abstract
A series of spiro β-Lactams (4 a-c, 7 a-c) and thiazolidinones (5 a-c, 8 a-c) possessing 1,8-naphthyridine moiety were synthesized in this study. The structure of the newly synthesized compounds has been confirmed by IR, 1H-NMR, 13C NMR, mass spectra, and elemental analysis. The synthesized compounds were tested in vitro for their antibacterial and antifungal activity against various strains. The antimicrobial data showed that most of the compounds displayed good efficacy against both bacteria and fungi. The structure-activity relationship (SAR) studies suggested that the presence of electron-withdrawing chloro (3 b, 4 b, and 5 b) and nitro groups (7 b, 8 b) at the para position of the phenyl ring improved the antimicrobial activity of the compounds. The free radical scavenging assay showed that all the synthesized compounds exhibited significant antioxidant activity on DPPH. Compounds 8 b (IC50=17.68±0.76 μg/mL) and 4 c (IC50=18.53±0.52 μg/mL) showed the highest antioxidant activity compared to ascorbic acid (IC50=15.16±0.43 μg/mL). Molecular docking studies were also conducted to support the antimicrobial and SAR results.
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Affiliation(s)
- Nadia A A Elkanzi
- Chemistry Department, college of Science, Jouf University, 2014, Sakaka, Saudi Arabia
| | - Hajer Hrichi
- Chemistry Department, college of Science, Jouf University, 2014, Sakaka, Saudi Arabia
| | - Alaa Muqbil Alsirhani
- Chemistry Department, college of Science, Jouf University, 2014, Sakaka, Saudi Arabia
| | - Rania B Bakr
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, 62514, Beni-Suef, Egypt
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Bakr RB, El Azab IH, Elkanzi NAA. Construction and Docking Studies of Novel Pyrimido[4,5-b]quinolines as Antimicrobial Agents. Chem Biodivers 2024; 21:e202400200. [PMID: 38570192 DOI: 10.1002/cbdv.202400200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/05/2024]
Abstract
In order to develop novel antimicrobial agents, we prepared quinoline bearing pyrimidine analogues 2-7, 8 a-d and 9 a-d and their structures were elucidated by spectroscopic techniques. Furthermore, our second aim was to predict the interactions between the active compounds and enzymes (DNA gyrase and DHFR). In this work, fourteen pyrimido[4,5-b]quinoline derivatives were prepared and assessed for their antimicrobial potential by estimating zone of inhibition. All the screened candidates displayed antibacterial potential with zone of inhibition range of 9-24 mm compared with ampicillin (20-25 mm) as a reference drug. Moreover, the target derivatives 2 (ZI=16), 9 c (ZI=17 mm) and 9 d (ZI=16 mm) recorded higher antifungal activity against C. albicans to that exhibited by the antifungal drug amphotericin B (ZI=15 mm). Finally, the most potent pyrimidoquinoline compounds (2, 3, 8 c, 8 d, 9 c and 9 d) were docked inside DHFR and DNA gyrase active sites and they recorded excellent fitting within the active regions of DNA gyrase and DHFR. These outcomes revealed us that compounds (2, 3, 8 c, 8 d, 9 c and 9 d) could be lead compounds to discover novel antibacterial candidates.
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Affiliation(s)
- Rania B Bakr
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, 62514, Egypt
| | - Islam H El Azab
- Department of Food Science and Nutrition, College of Science, Taif University, P.O. Box: 11099, 21944, Taif, Saudi Arabia
| | - Nadia A A Elkanzi
- Chemistry Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
- Chemistry Department, Faculty of Science, Aswan University, P.O. Box: 81528, Aswan, Egypt
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Alanazi M, Arafa WA, Althobaiti IO, Altaleb HA, Bakr RB, Elkanzi NAA. Green Design, Synthesis, and Molecular Docking Study of Novel Quinoxaline Derivatives with Insecticidal Potential against Aphis craccivora. ACS OMEGA 2022; 7:27674-27689. [PMID: 35967065 PMCID: PMC9366785 DOI: 10.1021/acsomega.2c03332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 07/15/2022] [Indexed: 06/15/2023]
Abstract
An efficient and environmentally friendly method was established for designing novel 3-amino-1,4-dihydroquinoxaline-2-carbonitrile (1) via the reaction of bromomalononitrile and benzene-1,2-diamine under microwave irradiation in an excellent yield (93%). This targeted amino derivative was utilized for the construction of a series of Schiff bases (8-13). A new series of thiazolidinone derivatives (15-20) were synthesized in high yields (89-96%) via treatment of thioglycolic acid with Schiff bases (8-13) under microwave irradiation in high yields (89-96%). Moreover, new pyrimidine derivatives (26-30 and 35-38) were prepared by treatment of compound 1 with arylidenes (21-25) and/or alkylidenemalononitriles (31-34) using piperidine as a basic catalyst under microwave conditions. Based on elemental analyses and spectral data, the structures of the new assembled compounds were determined. The newly synthesized quinoxaline derivatives were screened and studied as an insecticidal agent against Aphis craccivora. The obtained results indicate that compound 16 is the most toxicological agent against nymphs of cowpea aphids (Aphis craccivora) compared to the other synthesized pyrimidine and thiazolidinone derivatives. The molecular docking study of the new quinoxaline derivatives registered that compound 16 had the highest binding score (-10.54 kcal/mol) and the thiazolidinone moiety formed hydrogen bonds with Trp143.
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Affiliation(s)
- Mariam
Azzam Alanazi
- Chemistry
Department, College of Science, Jouf University, P.O. Box 2014, Sakaka 2014, Saudi Arabia
| | - Wael A.A. Arafa
- Chemistry
Department, College of Science, Jouf University, P.O. Box 2014, Sakaka 2014, Saudi Arabia
- Chemistry
Department, Faculty of Science, Fayoum University, P.O. Box 63514, Fayoum 63514, Egypt
| | - Ibrahim O. Althobaiti
- Department
of Chemistry, College of Science and Arts, Jouf University, Sakaka 42421, Saudi Arabia
| | - Hamud A. Altaleb
- Department
of Chemistry, Faculty of Science, Islamic
University of Madinah, Madinah 42351, Saudi Arabia
| | - Rania B. Bakr
- Department
of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Nadia A. A. Elkanzi
- Chemistry
Department, College of Science, Jouf University, P.O. Box 2014, Sakaka 2014, Saudi Arabia
- Chemistry
Department, Faculty of Science, Aswan University, P.O. Box 81528, Aswan 81528, Egypt
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AL-Shammri KN, Elkanzi NA, Arafa WA, Althobaiti IO, Bakr RB, Moustafa SMN. Novel indan-1,3-dione derivatives: Design, green synthesis, effect against tomato damping-off disease caused by Fusarium oxysporum and in silico molecular docking study. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.103731] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
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Thiochromene candidates: design, synthesis, antimicrobial potential and in silico docking study. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2022. [DOI: 10.1007/s13738-021-02391-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Elkanzi NAA, El Azab IH, Bakr RB. Design, Synthesis, and In Silico Molecular Docking Study of Some Novel Thiochromene Derivatives with Antimicrobial Potential. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2041052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Nadia A. A. Elkanzi
- Chemistry Department, College of Science, Jouf University, Sakaka, Saudi Arabia
- Chemistry Department, Faculty of Science, Aswan University, Aswan, Egypt
| | - Islam H. El Azab
- Food Science & Nutrition Department, College of Science, Taif University, Taif, Saudi Arabia
| | - Rania B. Bakr
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
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Bakr RB, Elkanzi NA. Novel 1,2-thiazine-pyridine hybrid: Design, synthesis, antioxidant activity and molecular docking study. LETT DRUG DES DISCOV 2022. [DOI: 10.2174/1570180819666220106112650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background & objectives:
1,2-thiazine and pyridine heterocycles drew much attention due to their biological activities including antioxidant activity. Based upon fragment based drug design, novel pyrido[1,2]thiazines 9a-c, thiazolidinopyrido[1,2]thiazines 10a-c and azetidinopyrido[1,2]thiazines 11a-c were designed and prepared.
Methods:
These novel derivatives 9a-c, 10a-c and 11a-c were subjected to screening for their antioxidant activity via various assays as DPPH radical scavenging potential, reducing power assay and metal chelating potential.
Results:
All the assayed derivatives exhibited excellent antioxidant potential and the tested compounds 9a, 9b, 10a, 10b, 11a and 11b exhibited higher DPPH scavenging potential (EC50 = 32.7, 53, 36.1, 60, 40.6 and 67 µM, respectively) than ascorbic acid (EC50 = 86.58 µM). While targets 9a, 10a and 11a (RP50 = 52.19, 59.16 and 52.25 µM, respectively) exhibited better reducing power than the ascorbic acid (RP50 = 84.66 µM). Computational analysis had been utilized to prophesy the bioactivity and molecular properties of the target compounds.
Conclusion:
To predict the binding manner of the novel derivatives as antioxidants, in-silico docking study had been performed to all the newly prepared compounds inside superoxide dismutase (SOD) and catalase (CAT) active site. The most active antioxidant candidate 9a (EC50 = 32.7 µM, RP50 = 52.19 µM) displayed excellent binding with Lys134 amino acid residing at Cu-Zn loop of SOD with binding energy score = -7.54 Kcal/mol thereby increase SOD activity and decrease reactive oxygen species.
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Affiliation(s)
- Rania B. Bakr
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef, Egypt
| | - Nadia A.A. Elkanzi
- Chemistry Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
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Mech D, Kurowska A, Trotsko N. The Bioactivity of Thiazolidin-4-Ones: A Short Review of the Most Recent Studies. Int J Mol Sci 2021; 22:11533. [PMID: 34768964 PMCID: PMC8584074 DOI: 10.3390/ijms222111533] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/22/2021] [Accepted: 10/22/2021] [Indexed: 01/28/2023] Open
Abstract
Thiazolidin-4-ones is an important heterocyclic ring system of a pharmacophore and a privileged scaffold in medicinal chemistry. This review is focused on the latest scientific reports regarding biological activities of thiazolidin-4-ones published in 2020 and 2021. The review covers recent information about antioxidant, anticancer, anti-inflammatory, analgesic, anticonvulsant, antidiabetic, antiparasitic, antimicrobial, antitubercular and antiviral properties of thiazolidin-4-ones. Additionally, the influence of different substituents in molecules on their biological activity was discussed in this paper. Thus, this study may help to optimize the structure of thiazolidin-4-one derivatives as more efficient drug agents. Presented information may be used as a practical hint for rational design of new small molecules with biological activity, especially among thiazolidin-4-ones.
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Affiliation(s)
| | | | - Nazar Trotsko
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University of Lublin, 20-093 Lublin, Poland; (D.M.); (A.K.)
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Synthesis, in vitro evaluation and molecular docking of new pyrazole derivatives bearing 1,5,10,10a-tetrahydrobenzo[g]quinoline-3-carbonitrile moiety as potent antibacterial agents. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2021. [DOI: 10.1007/s13738-020-02086-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Bakr RB, Elkanzi NAA. Preparation of some novel thiazolidinones, imidazolinones, and azetidinone bearing pyridine and pyrimidine moieties with antimicrobial activity. J Heterocycl Chem 2020. [DOI: 10.1002/jhet.4009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Rania B. Bakr
- Department of Pharmaceutical Chemistry, College of PharmacyJouf University Sakaka Kingdom of Saudi Arabia
- Department of Pharmaceutical Organic Chemistry, Faculty of PharmacyBeni‐Suef University Beni‐Suef Egypt
| | - Nadia A. A. Elkanzi
- Chemistry Department, College of ScienceJouf University P.O. Box: 2014, Sakaka Saudi Arabia
- Chemistry Department, Faculty of ScienceAswan University P.O. Box: 81528, Aswan Egypt
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