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Kassab AE, Gedawy EM, Sayed AS. Fused thiophene as a privileged scaffold: A review on anti-Alzheimer's disease potentials via targeting cholinesterases, monoamine oxidases, glycogen synthase kinase-3, and Aβ aggregation. Int J Biol Macromol 2024; 265:131018. [PMID: 38518928 DOI: 10.1016/j.ijbiomac.2024.131018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Revised: 03/17/2024] [Accepted: 03/18/2024] [Indexed: 03/24/2024]
Abstract
As a "silent threat," Alzheimer's disease (AD) is quickly rising to the top of the list of costly and troublesome diseases facing humanity. It is growing to be one of the most troublesome and expensive conditions, with annual health care costs higher than those of cancer and comparable to those of cardiovascular disorders. One of the main pathogenic characteristics of AD is the deficiency of the neurotransmitter acetylcholine (ACh) which plays a vital role in memory, learning, and attention. Acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) play a crucial role in hydrolyzing ACh. Consequently, a frequent therapy approach for AD is the suppression of AChE and BChE to improve cholinergic neurotransmission and reduce cognitive symptoms. The accumulation of amyloid plaques (Aβ) is a primary factor contributing to neurodegenerative diseases, particularly AD. Glycogen synthase kinase-3β (GSK3-β) is regarded as a pivotal player in the pathophysiology of AD since dysregulation of this kinase affects all major hallmarks of the disease, such as tau phosphorylation, Aβ aggregation, memory, neurogenesis, and synaptic function. One of the most challenging and risky issues in modern medicinal chemistry is the urgent and ongoing need for the study and development of effective therapeutic candidates for the treatment of AD. A significant class of heterocyclic molecules that can target the complex and multifactorial pathogenesis of AD are fused thiophene derivatives. The goal of the current review is to demonstrate the advancements made in fused thiophene derivatives' anti-AD activity. It also covers their mechanisms of action and studies of the structure-activity relationships in addition to the compilation of significant synthetic routes for fused thiophene derivatives with anti-AD potential. This review is intended to stimulate new ideas in the search for more rationale designs of derivatives based on fused thiophene, hoping to be more potent in treating AD.
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Affiliation(s)
- Asmaa E Kassab
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, P.O. Box 11562, Egypt.
| | - Ehab M Gedawy
- Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Cairo University, Kasr El-Aini Street, Cairo, P.O. Box 11562, Egypt; Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Pharmaceutical Industries, Badr University in Cairo (BUC), Badr City, Cairo, P.O. Box 11829, Egypt
| | - Alaa S Sayed
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy and Pharmaceutical Industries, Badr University in Cairo (BUC), Badr City, Cairo, P.O. Box 11829, Egypt
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Dhanya TM, Anjali Krishna G, Savitha DP, Shanty AA, Divya KM, Priya SK, Mohanan PV. A review on the synthesis and biological relevance of benzo[ b]thiophene derivatives. PHOSPHORUS SULFUR 2022. [DOI: 10.1080/10426507.2022.2145476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- T. M. Dhanya
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
| | - G. Anjali Krishna
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
| | - D. P. Savitha
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
| | - A. A. Shanty
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
- St. Teresa's College, Kochi, Kerala, India
| | - K. M. Divya
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
- Department of Chemistry, NSS College, Cherthala, India
| | - Shenoi K. Priya
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
| | - P. V. Mohanan
- Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala, India
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A Molecular Electron Density Theory Study of the [3+2] Cycloaddition Reaction of an Azomethine Ylide with an Electrophilic Ethylene Linked to Triazole and Ferrocene Units. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27196532. [PMID: 36235069 PMCID: PMC9571756 DOI: 10.3390/molecules27196532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 09/27/2022] [Accepted: 09/28/2022] [Indexed: 11/17/2022]
Abstract
The [3+2] cycloaddition (32CA) reaction of an azomethine ylide (AY) with an electrophilic ethylene linked to triazole and ferrocene units has been studied within the Molecular Electron Density Theory (MEDT) at the ωB97X-D/6-311G(d,p) level. The topology of the electron localization function (ELF) of this AY allows classifying it as a pseudo(mono)radical species characterized by the presence of two monosynaptic basins, integrating a total of 0.76 e, at the C1 carbon. While the ferrocene ethylene has a strong electrophilic character, the AY is a supernucleophile, suggesting that the corresponding 32CA reaction has a high polar character and a low activation energy. The most favorable ortho/endo reaction path presents an activation enthalpy of 8.7 kcal·mol-1, with the 32CA reaction being exergonic by -42.1 kcal·mol-1. This reaction presents a total endo stereoselectivity and a total ortho regioselectivity. Analysis of the global electron density transfer (GEDT) at the most favorable TS-on (0.23 e) accounts for the high polar character of this 32CA reaction, classified as forward electron density flux (FEDF). The formation of two intermolecular hydrogen bonds between the two interacting frameworks at the most favorable TS-on accounts for the unexpected ortho regioselectivity experimentally observed.
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Mehdhar FS, Abdel-Galil E, Saeed A, Abdel-Latif E, Abd El Ghani GE. Synthesis of New Substituted Thiophene Derivatives and Evaluating their Antibacterial and Antioxidant Activities. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2092518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- Fatima S. Mehdhar
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt
- Department of Chemistry, Faculty of Science, Aden University, Aden, Yemen
| | - Ebrahim Abdel-Galil
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Ali Saeed
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt
- Department of Chemistry, Faculty of Science, Sa’adah University, Sa’adah, Yemen
| | - Ehab Abdel-Latif
- Department of Chemistry, Faculty of Science, Mansoura University, Mansoura, Egypt
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A Molecular Electron Density Theory Study of the [3+2] Cycloaddition Reaction of Pseudo(mono)radical Azomethine Ylides with Phenyl Vinyl Sulphone. ORGANICS 2022. [DOI: 10.3390/org3020010] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
The [3+2] cycloaddition (32CA) reaction of an azomethine ylide (AY), derived from isatin and L-proline, with phenyl vinyl sulphone has been studied within Molecular Electron Density Theory (MEDT) at the ωB97X-D/6-311G(d,p) level. ELF topological analysis of AY classifies it as a pseudo(mono)radical species with two monosynaptic basins at the C1 carbon, integrating a total of 0.76 e. While vinyl sulphone has a strong electrophilic character, AY is a supernucleophile, suggesting a high polar character and low activation energy for the reaction. The nucleophilic Parr functions indicate that the pseudoradical C1 carbon is the most nucleophilic center. The 32CA reaction presents an activation Gibbs free energy of 13.1 kcal·mol−1 and is exergonic by −26.8 kcal·mol−1. This reaction presents high endo stereoselectivity and high meta regioselectivity. Analysis of the global electron density transfer (GEDT) at the most favorable meta/endo TS, 0.31 e, accounts for the high polar character of this 32CA reaction, classified by forward electron density flux (FEDF). A Bonding Evolution Theory (BET) study along the most favorable meta/endo reaction path characterizes this 32CA reaction, taking place through a non-concerted two-stage one-step mechanism, as a pseudo(mono)radical-type 32CA reaction, in agreement with the ELF analysis of the AY.
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Islam MS, Haukka M, Soliman SM, Al-Majid AM, Rahman AM, Bari A, Barakat A. Regio- and stereoselective synthesis of spiro-heterocycles bearing the pyrazole scaffold via [3+2] cycloaddition reaction. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.131711] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Shahidul Islam M, Al‐Majid AM, Azam M, Prakash Verma V, Barakat A, Haukka M, Domingo LR, Elgazar AA, Mira A, Badria FA. Synthesis of Spirooxindole Analogs Tethered Pyrazole Scaffold as Acetylcholinesterase Inhibitors. ChemistrySelect 2021. [DOI: 10.1002/slct.202103255] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Mohammad Shahidul Islam
- Department of Chemistry College of Science King Saud University P.O. Box 2455 Riyadh 11451 Saudi Arabia
- Department of Chemistry Banasthali Vidyapith Banasthali- 304022 Rajasthan India
| | | | - Mohammad Azam
- Department of Chemistry College of Science King Saud University P.O. Box 2455 Riyadh 11451 Saudi Arabia
| | - Ved Prakash Verma
- Department of Chemistry Banasthali Vidyapith Banasthali- 304022 Rajasthan India
| | - Assem Barakat
- Department of Chemistry College of Science King Saud University P.O. Box 2455 Riyadh 11451 Saudi Arabia
- Department of Chemistry, Faculty of Science Alexandria University, P.O. Box 426, Ibrahimia Alexandria 21321 Egypt
| | - Matti Haukka
- Department of Chemistry University of Jyväskylä, P.O. Box 35 FI-40014 Jyväskylä Finland
| | - Luis R. Domingo
- Department of Organic Chemistry University of Valencia, Dr. Moliner 50 46100 Burjassot, Valencia Spain
| | - Abdullah A. Elgazar
- Department of Pharmacognosy, Faculty of Pharmacy Kafrelsheikh University Kafrelsheikh 33516 Egypt
| | - Amira Mira
- Department of Pharmacognosy, Faculty of Pharmacy Mansoura University Mansoura 35516 Egypt
| | - Farid A. Badria
- Department of Pharmacognosy, Faculty of Pharmacy Mansoura University Mansoura 35516 Egypt
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Barakat A, Haukka M, Soliman SM, Ali M, Al-Majid AM, El-Faham A, Domingo LR. Straightforward Regio- and Diastereoselective Synthesis, Molecular Structure, Intermolecular Interactions and Mechanistic Study of Spirooxindole-Engrafted Rhodanine Analogs. Molecules 2021; 26:7276. [PMID: 34885853 PMCID: PMC8658983 DOI: 10.3390/molecules26237276] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 11/25/2021] [Accepted: 11/27/2021] [Indexed: 01/22/2023] Open
Abstract
Straightforward regio- and diastereoselective synthesis of bi-spirooxindole-engrafted rhodanine analogs 5a-d were achieved by one-pot multicomponent [3 + 2] cycloaddition (32CA) reaction of stabilized azomethine ylide (AYs 3a-d) generated in situ by condensation of L-thioproline and 6-chloro-isatin with (E)-2-(5-(4-chlorobenzylidene)-2,4-dioxothiazolidin-3-yl)-N-(2-morpholinoethyl)acetamide. The bi-spirooxindole-engrafted rhodanine analogs were constructed with excellent diastereo- and regioselectivity along with high chemical yield. X-ray crystallographic investigations for hybrid 5a revealed the presence of four contiguous stereocenters related to C11, C12, C19 and C22 of the spiro structure. Hirshfeld calculations indicated the presence of many short intermolecular contacts such as Cl...C, S...S, S...H, O...H, N...H, H...C, C...C and H...H interactions. These contacts played a very important role in the crystal stability. The polar nature of the 32CA reaction was studied by analysis of the conceptual DFT reactivity indices. Theoretical study of this 32CA reaction indicated that it takes place through a non-concerted two-stage one-step mechanism associated with the nucleophilic attack of AY 3a to the electrophilic ethylene derivative.
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Affiliation(s)
- Assem Barakat
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.); (A.M.A.-M.)
| | - Matti Haukka
- Department of Chemistry, University of Jyväskylä, FI-40014 Jyväskylä, Finland;
| | - Saied M. Soliman
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria 21321, Egypt; (S.M.S.); (A.E.-F.)
| | - M. Ali
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.); (A.M.A.-M.)
| | - Abdullah Mohammed Al-Majid
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (M.A.); (A.M.A.-M.)
| | - Ayman El-Faham
- Department of Chemistry, Faculty of Science, Alexandria University, Alexandria 21321, Egypt; (S.M.S.); (A.E.-F.)
| | - Luis R. Domingo
- Department of Organic Chemistry, University of Valencia, 46100 Burjassot, Spain;
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Islam M, Al-Majid AM, Azam M, Verma VP, Barakat A, Haukka M, Elgazar AA, Mira A, Badria FA. Construction of Spirooxindole Analogues Engrafted with Indole and Pyrazole Scaffolds as Acetylcholinesterase Inhibitors. ACS OMEGA 2021; 6:31539-31556. [PMID: 34869980 PMCID: PMC8637602 DOI: 10.1021/acsomega.1c03978] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Accepted: 11/01/2021] [Indexed: 05/12/2023]
Abstract
Twenty-five new hits of spirooxindole analogs 8a-y engrafted with indole and pyrazole scaffolds were designed and constructed via a [3+2]cycloaddition (32CA) reaction starting from three components: new chalcone-based indole and pyrazole scaffolds 5a-d, substituted isatins 6a-c, and secondary amines 7a-d. The potency of the compounds were assessed in modulating cholinesterase (AChE) activity using Ellman's method. Compounds 8i and 8y showed the strongest acetylcholine esterase inhibition (AChEI) with IC50 values of 24.1 and 27.8 μM, respectively. Molecular docking was used to study their interaction with the active site of hAChE.
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Affiliation(s)
- Mohammad
Shahidul Islam
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Department
of Chemistry, Banasthali Vidyapith, Banasthali 304022, Rajasthan, India
| | - Abdullah Mohammed Al-Majid
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mohammad Azam
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Ved Prakash Verma
- Department
of Chemistry, Banasthali Vidyapith, Banasthali 304022, Rajasthan, India
| | - Assem Barakat
- Department
of Chemistry, College of Science, King Saud
University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Department
of Chemistry, Faculty of Science, Alexandria
University, P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt
| | - Matti Haukka
- Department
of Chemistry, University of Jyväskylä, P.O. Box 35, FI-40014 Jyväskylä, Finland
| | - Abdullah A. Elgazar
- Department
of Pharmacognosy, Faculty of Pharmacy, Kafrelsheikh
University, Kafrelsheikh 33516, Egypt
| | - Amira Mira
- Department
of Pharmacognosy, Faculty of Pharmacy, Mansoura
University, Mansoura 35516, Egypt
| | - Farid A. Badria
- Department
of Pharmacognosy, Faculty of Pharmacy, Mansoura
University, Mansoura 35516, Egypt
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Regio- and Stereoselective Synthesis of a New Series of Spirooxindole Pyrrolidine Grafted Thiochromene Scaffolds as Potential Anticancer Agents. Symmetry (Basel) 2021. [DOI: 10.3390/sym13081426] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
A series of new spiro-heterocycles engrafted spirooxindole/pyrrolidine/thiochromene scaffolds was synthesized by the three-component 1,3-dipolar cycloaddition reactions in a fully controlled regio- and stereo-selective fashion. Condensation of several substituted isatin derivatives with L-proline generated the azomethine ylides which subsequently reacted with chalcones based thiochromene scaffold, and finally afforded the target spiro-compounds. This simple protocol furnished a structurally complex, biologically relevant spiro-heterocycles in good yields through a one-pot process. All synthesized chalcone-based thiochromene, along with the spirooxindole/pyrrolidine/thiochromene scaffolds, were tested for their anticancer activity against four cancer cell lines (PC3, HeLa, MCF-7, and MDA-MB231). Toxicity of these compounds was also evaluated against human fibroblast BJ cell line, and they appeared to be not cytotoxic. For the prostate cancer (PC3) cell line, the most active hybrid, among synthesized series, was compound (7f, IC50 = 8.7 ± 0.7 µM). The most potent spirooxindole/pyrrolidine/thiochromene hybrid against cervical (HeLa) cancer cells was compound (7k, IC50 = 8.4 ± 0.5 µM) having chlorine and p-trifluoromethyl substituents attached to phenyl rings. Finally, against the MCF-7 and MDA-MB231 breast cancer cell lines, compound (7d) was the most active member of this series (IC50 = 7.36 ± 0.37, and 9.44 ± 0.32 µM, respectively).
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Barakat A, Alshahrani S, Al-Majid AM, Ali M, Altowyan MS, Islam MS, Alamary AS, Ashraf S, Ul-Haq Z. Synthesis of a New Class of Spirooxindole-Benzo[ b]Thiophene-Based Molecules as Acetylcholinesterase Inhibitors. Molecules 2020; 25:E4671. [PMID: 33066293 PMCID: PMC7594047 DOI: 10.3390/molecules25204671] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/04/2020] [Accepted: 10/12/2020] [Indexed: 11/29/2022] Open
Abstract
A series of new oxindole-based spiro-heterocycles bearing the benzo[b]thiophene motif were synthesized via a 1,3-dipolar cycloaddition reaction and their acetylcholinesterase (AChE) inhibitory activity was evaluated. All the synthesized compounds exhibited moderate inhibitory activities against AChE, while IIc was found to be the most active analog with an IC50 value of 20,840 µM·L-1. Its molecular structure was a 5-chloro-substituted oxindole bearing benzo[b]thiophene and octahydroindole moieties. Based on molecular docking studies, IIc was strongly bound to the catalytic and peripheral anionic sites of the protein through hydrophilic, hydrophobic, and π-stacking interactions with Asp74, Trp86, Tyr124, Ser125, Glu202, Ser203, Trp236, Trp286, Phe297, Tyr337, and Tyr341. These interactions also indicated that the multiplicity of the IIc aromatic core significantly favored its activity.
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Affiliation(s)
- Assem Barakat
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (S.A.); (A.M.A.-M.); (M.A.); (M.S.I.); (A.S.A.)
- Department of Chemistry, Faculty of Science, Alexandria University, P.O. Box 426, Ibrahimia, Alexandria 21321, Egypt
| | - Saeed Alshahrani
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (S.A.); (A.M.A.-M.); (M.A.); (M.S.I.); (A.S.A.)
| | - Abdullah Mohammed Al-Majid
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (S.A.); (A.M.A.-M.); (M.A.); (M.S.I.); (A.S.A.)
| | - M. Ali
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (S.A.); (A.M.A.-M.); (M.A.); (M.S.I.); (A.S.A.)
| | - Mezna Saleh Altowyan
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh 11564, Saudi Arabia;
| | - Mohammad Shahidul Islam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (S.A.); (A.M.A.-M.); (M.A.); (M.S.I.); (A.S.A.)
| | - Abdullah Saleh Alamary
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia; (S.A.); (A.M.A.-M.); (M.A.); (M.S.I.); (A.S.A.)
| | - Sajda Ashraf
- Dr. Panjwani Center for Molecular medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; (S.A.); (Z.U.-H.)
| | - Zaheer Ul-Haq
- Dr. Panjwani Center for Molecular medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; (S.A.); (Z.U.-H.)
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