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Saeed A, Ahmed A, Haider MB, Ismail H, Hayat K, Shabir G, El-Seedi HR. Novel pyrazoline linked acyl thiourea pharmacophores as antimicrobial, urease, amylase and α-glucosidase inhibitors: design, synthesis, SAR and molecular docking studies. RSC Adv 2024; 14:1018-1033. [PMID: 38174269 PMCID: PMC10759180 DOI: 10.1039/d3ra06812a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/05/2023] [Indexed: 01/05/2024] Open
Abstract
In the present work, a small library of novel pyrazolinyl-acyl thiourea (5a-j) was designed and synthesized through a multistep sequence and the synthesized compounds were screened for their antifungal, antibacterial and antioxidant activities as well as urease, amylase and α-glucosidase inhibitory activities. The synthesized series (5a-o) was characterized using a combination of spectroscopic techniques, including FT-IR, 1H NMR and 13C NMR. All compounds (5a-j) were found to have significant potency against urease, α-glucosidase, α-amylase, and DPPH. The synthesized compounds were also screened for potential antibacterial and anti-fungal inhibition activities. IC50 values for all the prepared compounds for urease, α-glucosidase, amylase, and DPPH inhibition were determined and derivatives 5b and 5g were found to be the most potent urease inhibitors with IC50 values of 54.2 ± 0.32 and 43.6 ± 0.25 μM, respectively. Whilst compound 5b (IC50 = 68.3 ± 0.11 μM) is a potent α-glucosidase inhibitor, compound 5f (90.3 ± 1.08 μM) is a potent amylase inhibitor and compound 5b (103.4 ± 1.15 μM) is a potent antioxidant. The different substitutions on the phenyl ring were the basis for structure-activity relationship (SAR) study. The molecular docking study was performed for the confirmation of binding interactions.
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Affiliation(s)
- Aamer Saeed
- Department of Chemistry, Quaid I Azam University Islamabad 45320 Pakistan +92-51-9064-2241 +92-51-9064-2128
| | - Atteeque Ahmed
- Department of Chemistry, Quaid I Azam University Islamabad 45320 Pakistan +92-51-9064-2241 +92-51-9064-2128
| | - Main Bilal Haider
- Department of Chemistry, Quaid I Azam University Islamabad 45320 Pakistan +92-51-9064-2241 +92-51-9064-2128
| | - Hammad Ismail
- Department of Biochemistry and Biotechnology, University of Gujrat Gujrat 50700 Pakistan
| | - Khizar Hayat
- Department of Botany, University of Gujrat Gujrat 50700 Pakistan
| | - Ghulam Shabir
- Department of Chemistry, Quaid I Azam University Islamabad 45320 Pakistan +92-51-9064-2241 +92-51-9064-2128
| | - Hesham R El-Seedi
- International Research Centre for Food Nutrition and Safety, Jiangsu University Zhenjiang 212013 China
- Department of Chemistry, Faculty of Science, Islamic University of Madinah Madinah 42351 Saudi Arabia
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Pishgouii F, Lotfi S, Sedaghati E. Anti-AChE and Anti-BuChE Screening of the Fermentation Broth Extracts from Twelve Aspergillus Isolates and GC-MS and Molecular Docking Studies of the Most Active Extracts. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04548-0. [PMID: 37129742 DOI: 10.1007/s12010-023-04548-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2023] [Indexed: 05/03/2023]
Abstract
Nowadays, the administration of cholinesterase enzyme (acetylcholinesterase: AChE and butyrylcholinesterase: BuChE) inhibitors is very common for the symptomatic treatment of Alzheimer's disease and the other forms of dementia and CNS disorders. In this paper, the anti-AChE and anti-BuChE activities of the fermentation broth ethyl acetate extracts from twelve Aspergillus isolates were evaluated by Ellman method. The results showed that A1 (Aspergillus flavus) and A5 (Aspergillus tubingensis, isolate 1) extracts with IC50 values of 46.77 μg/mL and 75.85 μg/mL possess the greatest ability to inhibit AChE and BuChE, respectively. GC-MS analysis of the extracts (A1 and A5) demonstrated that two alkaloids named 14-methyl-16-azabicyclo[10.3.1]hexadeca-1(15),12(16),13-triene (MAHT) and 6-chloro-2-methyl-7,8,9,10-tetrahydro-phenanthridine (CMTP) account for the highest percentage of A1 (26.95%) and A5 (25.5%) extracts, respectively. A 2-pyrazoline derivative, 5-hydroxy-3-(4-pyridinyl)-5-trifluoromethyl-1-(2,4,6-trimethylphenoxyacetyl)- (PHPTT), also constituted the high percentage (9.54%) of A5 extract. The anticholinesterase and neuroprotective effects of some 2-pyrazoline derivatives have been previously reported. The interaction study of MAHT with human AChE and CMTP and PHPTT with human BuChE using molecular docking indicated that these alkaloids bind to the active site gorge of the enzymes with high affinity. The best docking scores of MAHT, CMTP, and PHPTT were -7.1, -8.2, and -9.7 kcal/mol, respectively.
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Affiliation(s)
- Fatemeh Pishgouii
- Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran
| | - Safa Lotfi
- Department of Biotechnology, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman, Iran.
| | - Ebrahim Sedaghati
- Department of Plant Protection, Vali-e-Asr University of Rafsanjan, Rafsanjan, Iran
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Ahsan MJ, Ali A, Ali A, Thiriveedhi A, Bakht MA, Yusuf M, Salahuddin, Afzal O, Altamimi AS. Pyrazoline Containing Compounds as Therapeutic Targets for Neurodegenerative Disorders. ACS OMEGA 2022; 7:38207-38245. [PMID: 36340076 PMCID: PMC9631758 DOI: 10.1021/acsomega.2c05339] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/03/2022] [Indexed: 09/21/2023]
Abstract
Pyrazolines are a significant class of heterocyclic compounds with essential biological activities. They are quite stable, which has inspired medicinal chemists to experiment with the ring's structure in many different ways to create a variety of pharmacological activities. The structures of numerous commercially available therapeutic agents contain a pyrazoline ring. Pyrazolines are well-known for their ability to treat neurodegenerative diseases. The neurodegenerative diseases that affect huge populations globally include Alzheimer's disease (AD), Parkinson's disease (PD), and psychiatric disorders. The neuroprotective properties of pyrazolines published since 2003 are covered in the current review. Structure-activity relationships (SARs), molecular docking simulation, anticholinesterase (anti-AChE), and monoamine oxidase (MAO A/B) inhibitory actions are all covered in this article. Pyrazolines were discovered to have beneficial effects in the management of AD and were revealed to be inhibitors of acetylcholine esterase (AChE) and beta-amyloid (Aβ) plaques. They were discovered to be efficient against PD and also targeted MAO B and COMT. It was discovered that the pyrazolines block MAO A to treat psychiatric diseases. Pyrazolines are significant heteroaromatic scaffolds with a variety of biological functions. They were discovered to be remarkably stable and serve as an indispensable anchor for the development of new drugs. By blocking AChE and MAOs, they may be used to treat neurodegenerative diseases. The discussion outlined here is an essential and helpful resource for medicinal chemists who are investigating and applying pyrazolines in neurodegenerative research initiatives as well as to expedite future research programs on neurodegenerative disorders.
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Affiliation(s)
- Mohamed Jawed Ahsan
- Department
of Pharmaceutical Chemistry, Maharishi Arvind
College of Pharmacy, Jaipur, Rajasthan 302 039, India
| | - Amena Ali
- Department
of Pharmaceutical Chemistry, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Abuzer Ali
- Department
of Pharmacognosy, College of Pharmacy, Taif
University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Arunkumar Thiriveedhi
- Vignan’s
Foundation for Science, Technology & Research Deemed to be University
Guntur, Vadlamudi, Andhra Pradesh 522213, India
| | - Mohammed A. Bakht
- Department
of Chemistry, College of Science and Humanity Studies, Prince Sattam Bin Abdulaziz University, P.O. Box 83, Al-Kharj 11942, Saudi Arabia
| | - Mohammad Yusuf
- Department
of Clinical Pharmacy, College of Pharmacy, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Salahuddin
- Department
of Pharmaceutical Chemistry, Noida Institute
of Technology (Pharmacy Institute), Knowledge Park-2, Greater Noida, Uttar
Pradesh 201 306, India
| | - Obaid Afzal
- Department
of Pharmaceutical Chemistry, College of
Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box- 173, Al-Kharj 11942, Saudi Arabia
| | - Abdulmalik Saleh
Alfawaz Altamimi
- Department
of Pharmaceutical Chemistry, College of
Pharmacy, Prince Sattam Bin Abdulaziz University, P.O. Box- 173, Al-Kharj 11942, Saudi Arabia
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Rastkar MB, Mohtat B, Marandi GB, Djahaniani H. A Convenient One-Pot Synthesis of 5-Aryl-N-cyclohexyl-1,3,4-oxadiazole-2-carboxamides via Aza-Wittig/Isocyanide-based Three-Component Reaction. RUSSIAN JOURNAL OF ORGANIC CHEMISTRY 2022. [DOI: 10.1134/s1070428022070144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Karabelyov V, Kondeva-Burdina M, Angelova VT. Synthetic approaches to unsymmetrical 2,5-disubstituted 1,3,4-oxadiazoles and their MAO-B inhibitory activity. A review. Bioorg Med Chem 2021; 29:115888. [PMID: 33360082 DOI: 10.1016/j.bmc.2020.115888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 10/28/2020] [Accepted: 11/18/2020] [Indexed: 10/22/2022]
Abstract
Selective monoamine oxidase type B (MAO-B) inhibitors are currently used as coadjuvants for treating early motor symptoms of Parkinson's disease. Aiming at the elucidation of MAO-B inhibitors with 1,3,4-oxadiazole scaffolds, we make a comprehensive update on the new and old chemical methods employed for the synthesis of the unsymmetrical oxadiazole derivatives that lead to high yield compounds. We summarize a state of the selective MAO-B inhibitors with oxadiazole scaffold, describing the results, structures, structure-activity relationships (SARs) and medicinal chemistry strategies over the years. The analysis of the recent papers would facilitate tracking the increasing number of oxadiazole derivatives as new chemical spaces with MAO-B inhibitory potential designed to ensure the safe use of the compounds and elimination of the unwanted drug-drug interactions.
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Affiliation(s)
- Valentin Karabelyov
- Laboratory "Drug metabolism and drug toxicity", Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University-Sofia, Bulgaria; Department of Chemistry, Faculty of Pharmacy, Medical University-Sofia, Bulgaria
| | - Magdalena Kondeva-Burdina
- Laboratory "Drug metabolism and drug toxicity", Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University-Sofia, Bulgaria; Department of Chemistry, Faculty of Pharmacy, Medical University-Sofia, Bulgaria
| | - Violina T Angelova
- Laboratory "Drug metabolism and drug toxicity", Department of Pharmacology, Pharmacotherapy and Toxicology, Faculty of Pharmacy, Medical University-Sofia, Bulgaria; Department of Chemistry, Faculty of Pharmacy, Medical University-Sofia, Bulgaria.
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Design, synthesis and biological evaluation of acridone glycosides as selective BChE inhibitors. Carbohydr Res 2020; 491:107977. [DOI: 10.1016/j.carres.2020.107977] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 02/25/2020] [Accepted: 03/03/2020] [Indexed: 12/19/2022]
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