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Design, synthesis, in silico and biological evaluations of novel polysubstituted pyrroles as selective acetylcholinesterase inhibitors against Alzheimer's disease. Sci Rep 2022; 12:15236. [PMID: 36075926 PMCID: PMC9454393 DOI: 10.1038/s41598-022-18224-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Accepted: 08/08/2022] [Indexed: 11/08/2022] Open
Abstract
The objective of this study was to design new polysubstituted pyrrole derivatives as selective acetylcholinesterase (AChE) inhibitors to target Alzheimer's disease. In this context, a highly efficient, one-pot, sequential, multi-component synthesis of a diverse range of polysubstituted pyrroles was developed through a sequential domino strategy by the condensation of amines with 1,1-bis(methylthio)-2-nitroethene (BMTNE), Knovenagle reaction of arylglyoxals with malono derivatives and subsequent Michael addition and intramolecular cyclization reaction in EtOH at reflux. Thirty-nine synthesized compounds were evaluated as AChE and butyrylcholinesterase (BChE) inhibitors. Among the synthesized compounds, compound 4ad (IC50 = 2.95 ± 1.31 µM) was the most potent and selective AChE inhibitor with no significant inhibition against butyrylcholinesterase BChE. A kinetic study of 4ad revealed that this compound inhibited AChE in an uncompetitive mode. Based on a molecular modeling study, compound 4ad due to its small size properly fitted into the active site of AChE compared to BChE and stabilized by H-bond and hydrophobic interactions with the critical residues of the AChE binding pocket. Consequently, it was proposed that the 4ad derivative can be an ideal lead candidate against AD with a simple and practical operation of synthetic procedures.
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Zaiter J, Hibot A, Hafid A, Khouili M, Neves CMB, Simões MMQ, Neves MGPMS, Faustino MAF, Dagci T, Saso L, Armagan G. Evaluation of the cellular protection by novel spiropyrazole compounds in dopaminergic cell death. Eur J Med Chem 2021; 213:113140. [PMID: 33454549 DOI: 10.1016/j.ejmech.2020.113140] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/09/2020] [Accepted: 12/24/2020] [Indexed: 01/09/2023]
Abstract
The loss of neurons is strongly correlated with aging and aging-associated disorders. In this study, cell viability assays and mitochondrial function were performed to evaluate the effect of new spiro-pyrazole derivatives, prepared from aldehydes and 3-amino-1-phenyl-2-pyrazolin-5-one, on neuroprotection in an in vitro model of dopaminergic cell death induced by 1-methyl-4-phenylpyridinium (MPP+). The percentages of neuroprotection by derivatives were found between 21.26% and 52.67% at selected concentrations (10-50 μM) with compound 4d exerting the best neuroprotective effect. The results show that the studied spiropyrazolones perform important roles in dopaminergic neuroprotection and can be used for potential new therapies in the treatment of neurodegenerative disorders including Parkinson's disease.
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Affiliation(s)
- Jamila Zaiter
- Laboratoire de Chimie Organique et Analytique, Faculté des Sciences et Techniques, Université Sultan Moulay Slimane, BP 523, 23000, Beni-Mellal, Morocco
| | - Achraf Hibot
- Laboratoire de Chimie Organique et Analytique, Faculté des Sciences et Techniques, Université Sultan Moulay Slimane, BP 523, 23000, Beni-Mellal, Morocco
| | - Abderrafia Hafid
- Laboratoire de Chimie Organique et Analytique, Faculté des Sciences et Techniques, Université Sultan Moulay Slimane, BP 523, 23000, Beni-Mellal, Morocco
| | - Mostafa Khouili
- Laboratoire de Chimie Organique et Analytique, Faculté des Sciences et Techniques, Université Sultan Moulay Slimane, BP 523, 23000, Beni-Mellal, Morocco
| | - Claudia M B Neves
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Mário M Q Simões
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - M Graça P M S Neves
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - M Amparo F Faustino
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Taner Dagci
- Department of Physiology, Faculty of Medicine, Ege University, 35100, Bornova, Izmir, Turkey
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, P. le Aldo Moro 5, 00185, Rome, Italy
| | - Güliz Armagan
- Department of Biochemistry, Faculty of Pharmacy, Ege University, 35100, Bornova, Izmir, Turkey.
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Xie X, Xiang L, Peng C, Han B. Catalytic Asymmetric Synthesis of Spiropyrazolones and their Application in Medicinal Chemistry. CHEM REC 2019; 19:2209-2235. [PMID: 30821425 DOI: 10.1002/tcr.201800199] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/11/2019] [Accepted: 02/11/2019] [Indexed: 01/24/2023]
Abstract
Chiral spiropyrazolones are unique frameworks widely found in a large family of medicinally relevant compounds with various biological activities. Substantial research efforts have been invested toward stereoselectively by constructing spiro-cyclic structures. Over the past years, remarkable progress has been made in the organo- and metal-catalyzed asymmetric synthesis of spiropyrazolones through the utilization of accessible simple pyrazolone derivatives as raw materials. This review is organized according to the size of the spiro-ring fused at the 4-position of the pyrazolone framework. In the last part, the bio-evaluations of chiral spiropyrazolones for drug discovery are summarized.
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Affiliation(s)
- Xin Xie
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Li Xiang
- State Key Laboratory of Southwestern Chinese Medicine Resource, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Cheng Peng
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.,State Key Laboratory of Southwestern Chinese Medicine Resource, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Bo Han
- College of Medical Technology and School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Novel magnetic nanoparticle supported ionic liquid as an efficient catalyst for the synthesis of spiro [pyrazole-pyrazolo[3,4-b]pyridine]-dione derivatives under solvent free conditions. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.10.052] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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