1
|
Tong WY, Tan WN, Kamarul Azizi MA, Leong CR, El Azab IH, Lim JW, Mahmoud MHH, Dailin DJ, Ibrahim MM, Chuah LF. Nanoparticle-laden contact lens for controlled release of vancomycin with enhanced antibiotic efficacy. Chemosphere 2023; 338:139492. [PMID: 37451643 DOI: 10.1016/j.chemosphere.2023.139492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 06/23/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
Vancomycin is the last resort antibiotic for the treatment of severe bacterial keratitis. Its clinical application is limited due to its hydrophilicity and high molecular weight. To overcome this, this study aims to develop nanoparticles-laden contact lens for controlled ocular delivery of vancomycin. Polyvinyl alcohol (PVA) was used as encapsulant material. The nanoparticles had a negative surface charge and an average size of 147.6 nm. A satisfactory encapsulation efficiency (61.24%) was obtained. The release profile was observed to be slow and sustained, with a release rate of 1.29 μL mg-1 h-1 for 48 h. Five out of 6 test bacteria were suppressed by vancomycin nanoparticles-laden contact lens. Vancomycin is generally ineffective against Gram-negative bacteria and unable to pass through the outer membrane barrier. In this study, vancomycin inhibited Proteus mirabilis and Pseudomonas aeruginosa. Nano-encapsulation enables vancomycin to penetrate the Gram-negative cell wall and further destroy the bacterial cells. On Hohenstein challenge test, all test bacteria exhibited significant reduction in growth when exposed to vancomycin nanoparticles-laden contact lens. This study created an effective and long-lasting vancomycin delivery system via silicone hydrogel contact lenses, by using PVA as encapsulant. The antibiotic efficacy and vancomycin release should be further studied using ocular in vivo models.
Collapse
Affiliation(s)
- Woei Yenn Tong
- Universiti Kuala Lumpur, Branch Campus Institute of Medical Science Technology, A1, 1, Jalan TKS 1, Taman Kajang Sentral, 43000, Kajang, Selangor, Malaysia; Universiti Kuala Lumpur, Branch Campus Malaysian Institute of Chemical and Bioengineering Technology, Lot 1988 Kawasan Perindustrian Bandar Vendor, Taboh Naning, Alor Gajah, Melaka, Malaysia.
| | - Wen-Nee Tan
- School of Distance Education, Universiti Sains Malaysia, 11800, Minden, Penang, Malaysia
| | - Muhammad Afif Kamarul Azizi
- Universiti Kuala Lumpur, Branch Campus Malaysian Institute of Chemical and Bioengineering Technology, Lot 1988 Kawasan Perindustrian Bandar Vendor, Taboh Naning, Alor Gajah, Melaka, Malaysia
| | - Chean Ring Leong
- Universiti Kuala Lumpur, Branch Campus Malaysian Institute of Chemical and Bioengineering Technology, Lot 1988 Kawasan Perindustrian Bandar Vendor, Taboh Naning, Alor Gajah, Melaka, Malaysia
| | - Islam H El Azab
- Department of Food Science and Nutrition, College of Science, Taif University, P.O. box 11099, Taif, 21944, Saudi Arabia
| | - Jun Wei Lim
- HICoE-Centre for Biofuel and Biochemical Research, Institute of Self Sustainable Building, Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, 32610, Perak Darul Ridzuan, Malaysia; Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, 602105, India
| | - M H H Mahmoud
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Daniel Joe Dailin
- Institute of Bioproduct Development, Universiti Teknologi Malaysia, Johor, Malaysia; Department of Bioprocess and Polymer Engineering, Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, Johor, Malaysia.
| | - Mohamed M Ibrahim
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Lai Fatt Chuah
- Faculty of Maritime Studies, Universiti Malaysia Terengganu, Terengganu, Malaysia.
| |
Collapse
|
2
|
Afaq M, Shahid M, Ahmad I, Yousaf S, Alazmi A, Mahmoud MHH, El Azab IH, Warsi MF. Large-scale sonochemical fabrication of a Co 3O 4-CoFe 2O 4@MWCNT bifunctional electrocatalyst for enhanced OER/HER performances. RSC Adv 2023; 13:19046-19057. [PMID: 37362336 PMCID: PMC10286564 DOI: 10.1039/d3ra03117a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Accepted: 06/10/2023] [Indexed: 06/28/2023] Open
Abstract
Herein, we have prepared a mixed-phase Co3O4-CoFe2O4@MWCNT nanocomposite through a cheap, large-scale, and facile ultrasonication route followed by annealing. The structural, morphological, and functional group analyses of the synthesized catalysts were performed by employing various characterization approaches such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), and scanning electron microscopy (SEM). The resultant samples were tested for bifunctional electrocatalytic activity through various electrochemical techniques: cyclic voltammetry (CV), linear sweep voltammetry (LSV), and electrochemical impedance spectroscopy (EIS). The prepared Co3O4-CoFe2O4@MWCNT nanocomposite achieved a very high current density of 100 mA cm-2 at a lower (290 mV and 342 mV) overpotential (vs. RHE) and a smaller (166 mV dec-1 and 138 mV dec-1) Tafel slope in the oxygen evolution reaction (OER) and hydrogen evolution reaction (HER), respectively, compared to Co3O4-CoFe2O4. The excellent electrochemical activity of the as-prepared electrocatalyst was attributed to the uniform incorporation of Co3O4-CoFe2O4 over MWCNTs which provides high redox active sites, a greater surface area, better conductivity, and faster charge mobility. Furthermore, the enhanced electrochemical active surface, low charge-transfer resistance (Rct), and higher exchange current density (J0) of the Co3O4-CoFe2O4@MWCNT ternary composite are attributed to its superior behavior as a bifunctional electrocatalyst. Conclusively, this study demonstrates a novel and large-scale synthesis approach for bifunctional electrocatalysts with a high aspect ratio and abundance of active sites for high-potential energy applications.
Collapse
Affiliation(s)
- Muhammad Afaq
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Muhammad Shahid
- Department of Chemistry, College of Science, University of Hafr Al Batin P.O. Box 1803 Hafr Al Batin Saudi Arabia
| | - Iqbal Ahmad
- Department of Chemistry, Allama Iqbal Open University Islamabad 44000 Pakistan
| | - Sheraz Yousaf
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| | - Amira Alazmi
- Department of Science and Technology, University Colleges at Nairiyah, University of Hafr Al Batin Nairiyah 31981 Saudi Arabia
| | - M H H Mahmoud
- Department of Chemistry, College of Science, Taif University Taif 21944 Saudi Arabia
| | - Islam H El Azab
- Department of Food Science and Nutrition, College of Science, Taif University P.O. Box 11099 Taif 21944 Saudi Arabia
| | - Muhammad Farooq Warsi
- Institute of Chemistry, Baghdad-ul-Jadeed Campus, The Islamia University of Bahawalpur Bahawalpur 63100 Pakistan
| |
Collapse
|
3
|
Ibrar A, Zaib S, Hökelek T, Simpson J, McAdam CJ, El Azab IH, Mersal GA, Ibrahim MM, Frontera A, Khan I. Investigation of solid state architectures in tetrazolyl tryptophol stabilized by crucial aromatic interactions and hydrogen bonding: Experimental and theoretical analysis. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
|
4
|
Xu J, Zhu P, El Azab IH, Bin Xu B, Guo Z, Elnaggar AY, Mersal GA, Liu X, Zhi Y, Lin Z, Algadi H, Shan S. An efficient bifunctional Ni-Nb2O5 nanocatalysts for the hydrodeoxygenation of anisole. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
|
5
|
Taha IM, Zaghlool A, Nasr A, Nagib A, El Azab IH, Mersal GAM, Ibrahim MM, Fahmy A. Impact of Starch Coating Embedded with Silver Nanoparticles on Strawberry Storage Time. Polymers (Basel) 2022; 14:polym14071439. [PMID: 35406312 PMCID: PMC9002491 DOI: 10.3390/polym14071439] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 03/29/2022] [Accepted: 03/29/2022] [Indexed: 12/23/2022] Open
Abstract
The strawberry has a very short postharvest life due to its fast softening and decomposition. The goal of this research is to see how well a starch-silver nanoparticle (St-AgNPs) coating affects the physical, chemical, and microbiological qualities of strawberries during postharvest life. Additionally, the effect of washing with running water on silver concentration in coated strawberry fruit was studied by an inductively coupled plasma-optical emission spectrometer (ICP-OES). Furthermore, the shelf-life period was calculated in relation to the temperature of storage. Fourier transform infrared-attenuated total reflectance (FTIR-ATR), UV-Visible, and Transmission Electron Microscopic (TEM) were used to investigate the structure of starch-silver materials, the size and shape of AgNPs, respectively. The AgNPs were spherical, with an average size range of 12.7 nm. The coated samples had the lowest weight loss, decay, and microbial counts as compared to the uncoated sample. They had higher total acidity and anthocyanin contents as well. The washing process led to the almost complete removal of silver particles by rates ranging from 98.86 to 99.10%. Finally, the coating maintained strawberry qualities and lengthened their shelf-life from 2 to 6 days at room storage and from 8 to 16 days in cold storage.
Collapse
Affiliation(s)
- Ibrahim M. Taha
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (A.Z.); (A.N.); (A.N.)
- Correspondence: (I.M.T.); (A.F.)
| | - Ayman Zaghlool
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (A.Z.); (A.N.); (A.N.)
| | - Ali Nasr
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (A.Z.); (A.N.); (A.N.)
| | - Ashraf Nagib
- Department of Food Science and Technology, Faculty of Agriculture, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (A.Z.); (A.N.); (A.N.)
| | - Islam H. El Azab
- Department of Food Science and Nutrition, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Gaber A. M. Mersal
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (G.A.M.M.); (M.M.I.)
| | - Mohamed M. Ibrahim
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia; (G.A.M.M.); (M.M.I.)
| | - Alaa Fahmy
- Department of Chemistry, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt
- Correspondence: (I.M.T.); (A.F.)
| |
Collapse
|
6
|
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] [What about the content of this article? (0)] [Affiliation(s)] [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
| |
Collapse
|
7
|
Saied E, Fouda A, Alemam AM, Sultan MH, Barghoth MG, Radwan AA, Desouky SG, Azab IHE, Nahhas NE, Hassan SED. Evaluate the Toxicity of Pyrethroid Insecticide Cypermethrin before and after Biodegradation by Lysinibacillus cresolivuorans Strain HIS7. Plants (Basel) 2021; 10:plants10091903. [PMID: 34579438 PMCID: PMC8467664 DOI: 10.3390/plants10091903] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 08/30/2021] [Accepted: 09/12/2021] [Indexed: 11/16/2022]
Abstract
Herein, bacterial isolate HIS7 was obtained from contaminated soil and exhibited high efficacy to degrade pyrethroid insecticide cypermethrin. The HIS7 isolate was identified as Lysinibacillus cresolivuorans based on its morphology and physiology characteristics as well as sequencing of 16S rRNA. The biodegradation percentages of 2500 ppm cypermethrin increased from 57.7% to 86.9% after optimizing the environmental factors at incubation condition (static), incubation period (8-days), temperature (35 °C), pH (7), inoculum volume (3%), and the addition of extra-carbon (glucose) and nitrogen source (NH4Cl2). In soil, L. cresolivuorans HIS7 exhibited a high potential to degrade cypermethrin, where the degradation percentage increased from 54.7 to 93.1% after 7 to 42 days, respectively. The qualitative analysis showed that the bacterial degradation of cypermethrin in the soil was time-dependent. The High-Performance Liquid Chromatography (HPLC) analysis of the soil extract showed one peak for control at retention time (R.T.) of 3.460 min and appeared three peaks after bacterial degradation at retention time (R.T.) of 2.510, 2.878, and 3.230 min. The Gas chromatography-mass spectrometry (GC-MS) analysis confirmed the successful degradation of cypermethrin by L. cresolivuorans in the soil. The toxicity of biodegraded products was assessed on the growth performance of Zea mays using seed germination and greenhouse experiment and in vitro cytotoxic effect against normal Vero cells. Data showed the toxicity of biodegraded products was noticeably decreased as compared with that of cypermethrin before degradation.
Collapse
Affiliation(s)
- Ebrahim Saied
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
| | - Amr Fouda
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
- Correspondence: (A.F.); (S.E.-D.H.); Tel.: +20-111-3351244 (A.F.); +20-102-3884804 (S.E.-D.H.)
| | - Ahmed M. Alemam
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
| | - Mahmoud H. Sultan
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
| | - Mohammed G. Barghoth
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
| | - Ahmed A. Radwan
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
| | - Salha G. Desouky
- Botany and Microbiology Department, Faculty of Science, Suez University, Suez 41522, Egypt;
| | - Islam H. El Azab
- Food Science & Nutrition Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
| | - Nihal El Nahhas
- Department of Botany and Microbiology, Faculty of Science, Alexandria University, Alexandria 21526, Egypt;
| | - Saad El-Din Hassan
- Department of Botany and Microbiology, Faculty of Science, Al-Azhar University, Nasr City, Cairo 11884, Egypt; (E.S.); (A.M.A.); (M.H.S.); (M.G.B.); (A.A.R.)
- Correspondence: (A.F.); (S.E.-D.H.); Tel.: +20-111-3351244 (A.F.); +20-102-3884804 (S.E.-D.H.)
| |
Collapse
|
8
|
Ibrahim SM, Al‐Hossainy AF, Zoromba MS, El Azab IH. Base‐catalyzed oxidation of sugarcane molasses by potassium ferricyanide in alkaline solutions. INT J CHEM KINET 2021. [DOI: 10.1002/kin.21517] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Samia M. Ibrahim
- Chemistry Department Faculty of Science New Valley University El‐Kharga New Valley Egypt
| | - Ahmed F. Al‐Hossainy
- Chemistry Department Faculty of Science New Valley University El‐Kharga New Valley Egypt
- Chemistry Department Faculty of Science Northern border University Arar Saudi Arabia
| | - Mohamed Sh. Zoromba
- Chemistry Department Faculty of Science Port‐Said University Port‐Said Egypt
- Chemical and Materials Engineering Department King Abdulaziz University Rabigh Saudi Arabia
| | | |
Collapse
|
9
|
El Azab IH, Bakr RB, Elkanzi NAA. Facile One-Pot Multicomponent Synthesis of Pyrazolo-Thiazole Substituted Pyridines with Potential Anti-Proliferative Activity: Synthesis, In Vitro and In Silico Studies. Molecules 2021; 26:molecules26113103. [PMID: 34067399 PMCID: PMC8196987 DOI: 10.3390/molecules26113103] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/15/2021] [Accepted: 05/19/2021] [Indexed: 11/16/2022] Open
Abstract
Pyrazolothiazole-substituted pyridine conjugates are an important class of heterocyclic compounds with an extensive variety of potential applications in the medicinal and pharmacological arenas. Therefore, herein, we describe an efficient and facile approach for the synthesis of novel pyrazolo-thiazolo-pyridine conjugate 4, via multicomponent condensation. The latter compound was utilized as a base for the synthesis of two series of 15 novel pyrazolothiazole-based pyridine conjugates (5-16). The newly synthesized compounds were fully characterized using several spectroscopic methods (IR, NMR and MS) and elemental analyses. The anti-proliferative impact of the new synthesized compounds 5-13 and 16 was in vitro appraised towards three human cancer cell lines: human cervix (HeLa), human lung (NCI-H460) and human prostate (PC-3). Our outcomes regarding the anti-proliferative activities disclosed that all the tested compounds exhibited cytotoxic potential towards all the tested cell lines with IC50 = 17.50-61.05 µM, especially the naphthyridine derivative 7, which exhibited the most cytotoxic potential towards the tested cell lines (IC50 = 14.62-17.50 µM) compared with the etoposide (IC50 = 13.34-17.15 µM). Moreover, an in silico docking simulation study was performed on the newly prepared compounds within topoisomerase II (3QX3), to suggest the binding mode of these compounds as anticancer candidates. The in silico docking results indicate that compound 7 was a promising lead anticancer compound which possesses high binding affinity toward topoisomerase II (3QX3) protein.
Collapse
Affiliation(s)
- Islam H. El Azab
- Food Science and Nutrition Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Correspondence:
| | - 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, Saudi Arabia;
- Chemistry Department, Faculty of Science, Aswan University, Aswan, P.O. Box 81528, Aswan, Egypt
| |
Collapse
|
10
|
El Azab IH, El-Sheshtawy HS, Bakr RB, Elkanzi NAA. New 1,2,3-Triazole-Containing Hybrids as Antitumor Candidates: Design, Click Reaction Synthesis, DFT Calculations, and Molecular Docking Study. Molecules 2021; 26:molecules26030708. [PMID: 33573040 PMCID: PMC7866392 DOI: 10.3390/molecules26030708] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 02/02/2023] Open
Abstract
In an effort to improve and achieve biologically active anticancer agents, a novel series of 1,2,3-triazole-containing hybrids were designed and efficiently synthesized via the Cu-catalyzed azide-alkyne cycloaddition (CuAAC) reaction of substituted-arylazides with alkyne-functionalized pyrazole-[1,2,4]-triazole hybrids. The structure geometry of these new clicked 1,2,3-triazoles was explored by density functional theory (DFT) using the B3LYP/6-311++G(d,p) level; also, the potential activity of the compounds for light absorption was simulated by time-dependent DFT calculations (TD-DFT). The antitumor impacts of the newly synthesized compounds were in vitro estimated to be towards the human liver cancer cell line (HepG-2), the human colon cancer cell line (HCT-116), and human breast adenocarcinoma (MCF-7). Among the tested compounds, conjugate 7 was the most potent cytotoxic candidate towards HepG-2, HCT-116, and MCF-7, with IC50 = 12.22, 14.16, and 14.64 µM, respectively, in comparison to that exhibited by the standard drug doxorubicin (IC50 = 11.21, 12.46, and 13.45 µM). Finally, a molecular docking study was conducted within the epidermal growth factor receptor (EGFR) active site to suggest possible binding modes. Hence, it could conceivably be hypothesized that analogies 7, 6, and 5 could be considered as decent lead candidate compounds for anticancer agents.
Collapse
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
- Chemistry Department, Faculty of Science, Aswan University, P.O. Box 81528 Aswan, Egypt;
- Correspondence: or ; Tel.: +966-54-335-0861
| | - Hamdy S. El-Sheshtawy
- Chemistry Department, Faculty of Science, Kafrelsheikh University, Kafr ElSheikh 33516, Egypt;
| | - Rania B. Bakr
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jouf University, P.O. Box 2014 Sakaka, Saudi Arabia;
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Beni-Suef University, Beni-Suef 62514, Egypt
| | - Nadia A. A. Elkanzi
- Chemistry Department, Faculty of Science, Aswan University, P.O. Box 81528 Aswan, Egypt;
- Chemistry Department, College of Science, Jouf University, P.O. Box 2014 Sakaka, Saudi Arabia
| |
Collapse
|
11
|
El-Garawani I, El-Seedi H, Khalifa S, El Azab IH, Abouhendia M, Mahmoud S. Enhanced Antioxidant and Cytotoxic Potentials of Lipopolysaccharides-Injected Musca domestica Larvae. Pharmaceutics 2020; 12:E1111. [PMID: 33227988 PMCID: PMC7699146 DOI: 10.3390/pharmaceutics12111111] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/16/2020] [Accepted: 11/16/2020] [Indexed: 01/06/2023] Open
Abstract
The usage of insects as a sustainable and functional natural products resource is a new promise in complementary and alternative medicine. The present study aimed to investigate the ability of Musca domestica (housefly) larval hemolymph (insect blood) to display the enhanced in vitro antioxidant and cytotoxic effects. The oxidative stress (OS) was elicited by inducing lipopolysaccharides (LPS) treatment as an exogenous stressor. Determination of superoxide dismutase 1 (SOD1), glutathione (GSH), malondialdehyde (MDA) and total antioxidant capacity (TAC), and mRNA and protein expressions of SOD1, was investigated as confirmatory markers of oxidative stress induction. Cytotoxicity on cancerous MCF-7 and normal Vero cells were also evaluated using an MTT assay at 24 h post-injection. The injection of LPS induced a significant (p < 0.05) increase in SOD, GSH and TAC, whereas, the MDA was diminished. Hemolymph was collected from normal and treated larvae after 6, 12 and 24 h. The M. domestica superoxide dismutase (MdSOD1) transcripts were significantly (p < 0.05) upregulated 6 and 12 h post-treatment, while a significant downregulation was observed after 24 h. Western blot analysis showed that MdSOD1 was expressed in the hemolymph of the treated larvae with an increase of 1.2 folds at 6 and 12 h and 1.6 folds at 24 h relative to the control group. LPS-treated larval hemolymphs exhibited significant cytotoxicity with respect to the untreated ones against MCF-7 while Vero cells showed no cytotoxicity for both hemolymphs. The DPPH free radical scavenging activity was examined and a significant antioxidant potential potency was observed at 6 h (50% maximal inhibitory concentration (IC50): 63.3 ± 3.51 µg/mL) when compared to the control M. domestica larval hemolymph (IC50: 611.7 ± 10.41 µg/mL). Taken together, M. domestica larval hemolymph exhibited enhanced antioxidant and consequently increased cytotoxic capacities under stressed conditions.
Collapse
Affiliation(s)
- Islam El-Garawani
- Department of Zoology, Faculty of Science, Menoufia University, Menoufia 32511, Egypt; (M.A.); (S.M.)
| | - Hesham El-Seedi
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, S-10691 Stockholm, Sweden;
- Chemistry Department, Faculty of Science, Menoufia University, Menoufia 32511, Egypt
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang 212013, China
| | - Shaden Khalifa
- Department of Molecular Biosciences, The Wenner-Gren Institute, Stockholm University, S-10691 Stockholm, Sweden;
| | - Islam H. El Azab
- Chemistry Department, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia;
- On Leave from Chemistry Department, Faculty of Science, Aswan University, Aswan, P.O. Box 81528, Aswan 81528, Egypt
| | - Marwa Abouhendia
- Department of Zoology, Faculty of Science, Menoufia University, Menoufia 32511, Egypt; (M.A.); (S.M.)
| | - Shaymaa Mahmoud
- Department of Zoology, Faculty of Science, Menoufia University, Menoufia 32511, Egypt; (M.A.); (S.M.)
| |
Collapse
|
12
|
Khalifa ME, El Azab IH, Gobouri AA, Mersal GA, Alharthi S, Saracoglu M, Kandemirli F, Ryl J, Amin MA. Adsorption behavior and corrosion inhibitive characteristics of newly synthesized cyano-benzylidene xanthenes on copper/sodium hydroxide interface: Electrochemical, X-ray photoelectron spectroscopy and theoretical studies. J Colloid Interface Sci 2020; 580:108-125. [DOI: 10.1016/j.jcis.2020.06.110] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/21/2020] [Accepted: 06/25/2020] [Indexed: 10/23/2022]
|
13
|
El Azab IH, Elkanzi NA. An Efficient Synthetic Approach Towards Benzo[ b]pyrano[2,3- e][1,4]diazepines, and Their Cytotoxic Activity. Molecules 2020; 25:molecules25092051. [PMID: 32354014 PMCID: PMC7248725 DOI: 10.3390/molecules25092051] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 04/22/2020] [Accepted: 04/26/2020] [Indexed: 02/07/2023] Open
Abstract
In search of unprecedented tri and/or tetrapod pharmacophoric conjugates, a series of 32 new 4-ethyl-1H-benzo[b][1,4]diazepin-2(3H)-ones were synthesized and properly elucidated using MS, IR, NMR, and elemental analysis. In vitro investigation of 11 compounds of this series, using a panel of two human tumor cell lines namely; human breast adenocarcinoma (MCF-7), and human colorectal carcinoma (HCT-116), revealed promising cytotoxic activities. Among all synthesized compounds, analogue 9 displayed maximum cytotoxicity with IC50 values of 16.19 ± 1.35 and 17.16 ± 1.54 μM against HCT-116 and MCF-7, respectively, compared to standard drug doxorubicin.
Collapse
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Taif 21974, Saudi Arabia
- On leave from Chemistry Department, Faculty of Science, Aswan University, Aswan, P.O. Box, Aswan 81528, Egypt;
- Correspondence: or ; Tel.: +966-543-350-861
| | - Nadia A.A. Elkanzi
- On leave from Chemistry Department, Faculty of Science, Aswan University, Aswan, P.O. Box, Aswan 81528, Egypt;
- Chemistry Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| |
Collapse
|
14
|
El Azab IH, Elkanzi NA. Design, Synthesis, and Antimicrobial Evaluation of New Annelated Pyrimido[2,1- c][1,2,4]triazolo[3,4- f][1,2,4]triazines. Molecules 2020; 25:E1339. [PMID: 32183502 PMCID: PMC7144560 DOI: 10.3390/molecules25061339] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 03/07/2020] [Accepted: 03/13/2020] [Indexed: 11/17/2022] Open
Abstract
A series of 34 new pyrimido[2,1-c][1,2,4]triazine-3,4-diones were synthesized and fully characterized using IR, NMR, MS, and microanalytical analysis. In vitro investigation of 12 compounds of this series revealed promising antimicrobial activity of the conjugates 15a and 15f-j that were tagged with electron-withdrawing groups, with sensitivities ranging from 77% to as high as 100% of the positive control. The investigation of antimicrobial activity included Bacillus subtilis ATCC 6633, Staphylococcus aureus ATCC 6535, Pseudomonas aeruginosa ATCC 27853, and Escherichia coli ATCC 8739 (EC), and fungal strains Candida albicans ATCC 10231 and Aspergillus brasiliensis ATCC 16404.
Collapse
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Taif 21974, Saudi Arabia
- On leave from Chemistry Department, Faculty of Science, Aswan University, Aswan P.O. Box 81528, Egypt;
| | - Nadia A.A. Elkanzi
- On leave from Chemistry Department, Faculty of Science, Aswan University, Aswan P.O. Box 81528, Egypt;
- Chemistry Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| |
Collapse
|
15
|
El Azab IH, Khalifa ME, Gobouri AA, Altalhi TA. Synthesis, Characterization, and Pharmacological Evaluation of Some New Pteridine‐Based Heterocycles as Antimicrobial Agents. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3509] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of Science Taif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| | - Mohamed E. Khalifa
- Chemistry Department, Faculty of Science Taif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| | - Adil A. Gobouri
- Chemistry Department, Faculty of Science Taif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, Faculty of Science Taif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| |
Collapse
|
16
|
El Azab IH, Gobouri AA, Altalhi TA. 4‐Chlorothiazole‐5‐carbaldehydes as Potent Precursors for Synthesis of Some New Pendant
N
‐heterocyces Endowed with Anti‐Tumor Activity. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3406] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
- On leave from Chemistry Department, Faculty of ScienceAswan University Aswan, P.O. Box 81528 Aswan Egypt
| | - Adil A. Gobouri
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| |
Collapse
|
17
|
El Azab IH, Abu Ali OA, El‐Zahrani AH, Gobouri AA, Altalhi TA. Pyrazole‐1‐carbothioamide as a Potent Precursor for Synthesis of Some New
N
‐heterocycles of Potential Biological Activity. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3350] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 21974 Taif Saudi Arabia
- Chemistry Department, Faculty of ScienceAswan University 81528 Aswan Egypt
| | - Ola A. Abu Ali
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 21974 Taif Saudi Arabia
| | - Aishah H. El‐Zahrani
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 21974 Taif Saudi Arabia
- Chemistry Department, Faculty of Arts and Science in AlmandaqBaha University P.O. 1988 Baha Saudi Arabia
| | - Adil A. Gobouri
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 21974 Taif Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 21974 Taif Saudi Arabia
| |
Collapse
|
18
|
El Azab IH, Elkanzi NAA, Gobouri AA, Altalhi TA. Convenient Synthesis of Novel Nitrogen Bridgehead Heterocycles Utilizing 3‐Mercapto‐6
H
‐[1,2,4,5]oxatriazino[3,2‐
a
]isoindol‐6‐one as a New Synthon. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3370] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
- Chemistry Department, Faculty of ScienceAswan University P.O. Box 81528 Aswan Egypt
| | - Nadia A. A. Elkanzi
- Chemistry Department, Faculty of ScienceAswan University P.O. Box 81528 Aswan Egypt
- Chemistry Department, College of ScienceJouf University P.O. Box 2014 Sakaka Saudi Arabia
| | - Adil A. Gobouri
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| | - Tariq A. Altalhi
- Chemistry Department, Faculty of ScienceTaif University Al‐Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| |
Collapse
|
19
|
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of Science; Taif University; Al-Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
- Chemistry Department, Faculty of Science; Aswan University; P.O. Box 81528 Aswan Egypt
| | - Nadia A. A. Elkanzi
- Chemistry Department, Faculty of Science; Aswan University; P.O. Box 81528 Aswan Egypt
- Chemistry Department, Faculty of Science; Aljouf University; P.O. Box 2014 Aljouf Saudi Arabia
| | - Adil A. Gobouri
- Chemistry Department, Faculty of Science; Taif University; Al-Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
| |
Collapse
|
20
|
El Azab IH, Elkanzi NAA. Synthesis and Pharmacological Evaluation of Some New Chromeno[3,4- c]pyrrole-3,4-dione-based N-Heterocycles as Antimicrobial Agents. J Heterocycl Chem 2017. [DOI: 10.1002/jhet.2721] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Islam H. El Azab
- Chemistry Department, Faculty of Science; Taif University; Al-Haweiah, P.O. Box 888 Taif 21974 Saudi Arabia
- Chemistry Department, Faculty of Science; Aswan University; P.O. Box 81528 Aswan Egypt
| | - Nadia A. A. Elkanzi
- Chemistry Department, Faculty of Science; Aswan University; P.O. Box 81528 Aswan Egypt
- Chemistry Department, Faculty of Science; Aljouf University; P.O. Box 2014 Aljouf Saudi Arabia
| |
Collapse
|
21
|
H. El Azab I, R. E. Aly M, A. Gobouri A. Synthesis of New Azole and Azine Systems Based on Chromeno[3,4-c]pyrrole-3,4-dione and Investigation of Their Cytotoxic Activity. HETEROCYCLES 2017. [DOI: 10.3987/com-17-13727] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
22
|
H. Abdel-Hafez S, Elkhateeb A, A. Gobouri A, H. El Azab I, Kirsch G. An Efficient Route for Synthesis and Reactions of Seleno-[2, 3-c]coumarin. HETEROCYCLES 2016. [DOI: 10.3987/com-16-13445] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
23
|
H. El Azab I, A. Saad H. Thiosemicarbazides, Potent Reagents for Synthesis of Some New 1,4-Diphenylbenzo[g]quinoxaline-5,10-dione Based Heterocycles. HETEROCYCLES 2016. [DOI: 10.3987/com-16-13512] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
24
|
El Azab IH, Khaled KM. Synthesis and reactivity of enaminone of naphtho[b]1,4-oxazine: One pot synthesis of novel isolated and heterocycle-fused derivatives with antimicrobial and antifungal activities. Russ J Bioorg Chem 2015. [DOI: 10.1134/s106816201504007x] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
|
25
|
El Azab IH, Khaled KM. SYNTHESIS AND REACTIVITY OF ENAMINONE OF NAPHTHO[B] 1,4-OXAZINE: ONE POT SYNTHESIS OF NOVEL ISOLATED AND HETEROCYCLE-FUSED DERIVATIVES WITH ANTIMICROBIAL AND ANTIFUNGAL ACTIVITIES. Bioorg Khim 2015; 41:475-490. [PMID: 26615644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The synthesis of the multifunctional, hitherto unreported 3-(3-(dimethylamino)acryloyl)-2H-naphtho[1,2- b] [1,4]oxazin-2-one was described and its utility as a versatile building block was demonstrated for the synthesis of some new pyrimidines, pyrazoles, isoxazoles, pyrazolo[a]pyrimidines, triazolo[a]pyrimidines, pyrido[d]pyrimidines, pyrido[d]pyrimidines, piperidines, pyrido[a]benzimidazoles, 2H-pyran-3-carboxamides, benzofurans, naphtho[b]furans and pyrazolo[c] [1,2,4]triazines of potential biological activities. The synthesized compounds were characterized by IR, 1H NMR, 13C NHR and mass spectral data. Some of the compounds were evaluated for antimicrobial activities.
Collapse
|
26
|
El Azab IH, Youssef MM, Amin AM. Correction: El Azab, I.H., et al. Microwave-Assisted Synthesis of Novel 2H-Chromene Derivatives Bearing Phenylthiazolidinones and Their Biological Activity Assessment. Molecules 2014, 19, 19648-19664. Molecules 2015; 20:2835-6. [PMID: 25671333 PMCID: PMC6272676 DOI: 10.3390/molecules20022835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Accepted: 01/30/2015] [Indexed: 11/16/2022] Open
Affiliation(s)
- Islam H El Azab
- Chemistry Department, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Taif 21974, Saudi Arabia.
- Chemistry Department, Faculty of Science, Aswan University, Aswan 81528, Egypt.
| | - Mohamed M Youssef
- Chemistry Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Amin M Amin
- Chemistry Department, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Taif 21974, Saudi Arabia
- Chemistry Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt
| |
Collapse
|
27
|
|
28
|
El Azab IH, Youssef MM, Amin MA. Microwave-assisted synthesis of novel 2H-chromene derivatives bearing phenylthiazolidinones and their biological activity assessment. Molecules 2014; 19:19648-64. [PMID: 25432014 PMCID: PMC6270731 DOI: 10.3390/molecules191219648] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2014] [Revised: 11/17/2014] [Accepted: 11/18/2014] [Indexed: 11/23/2022] Open
Abstract
6-Hydroxy-2-oxo-2H-chromene-4-carbaldehyde (2), 6-chloro-2-oxo-2H-chromene-4-carbaldehyde (3) and 6-hydrazinyl-4-methyl-2H-chromen-2-one (5) were prepared as single-pharmacophore motif key intermediates. Compounds 2, 3 and 5 were incorporated in a series of multicomponent reactions (MCRs), under microwave assistance as well as conventional chemical synthesis processes, to afford a series of three and/or four-pharmacophoric-motif conjugates 8a,b, 11, 13, 16, 17, 19 and 20 in good yields. The newly synthesized compounds were characterized by IR, NMR, 13C-NMR, MS and elemental analyses. Finally the synthesized compounds have been screened for their biological activity whereupon they exhibited remarkable antimicrobial activity on different classes of bacteria and the fungus.
Collapse
Affiliation(s)
- Islam H El Azab
- Chemistry Department, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Taif 21974, Saudi Arabia.
| | - Mohamed M Youssef
- Chemistry Department, Faculty of Science, Aswan University, Aswan 81528, Egypt
| | - Mahmoud A Amin
- Chemistry Department, Faculty of Science, Taif University, Al-Haweiah, P.O. Box 888, Taif 21974, Saudi Arabia
| |
Collapse
|
29
|
El Azab IH, Abd El Latif FMAEL. A Simple and Convenient Synthesis of Isolated-Fused Heterocycles Based on: 2-Imino-<i>N</i>-phenyl-2<i>H</i>-chromene-3-carboxamide. OJSTA 2012; 01:44-57. [DOI: 10.4236/ojsta.2012.13008] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
|
30
|
El Azab IH, El Rady EA. Facile and simple synthesis of some new polyfunctionally heterocyclic derivatives incorporating 2-imino-2H-chromene moiety. J Heterocycl Chem 2011. [DOI: 10.1002/jhet.716] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
|