Abstract
A series of N-{2-[2-(1H-benzimidazole-2-yl)phenoxy]ethyl} substituted amine derivatives were synthesized and tested for their cholinesterase inhibitor activity. Acetylcholinesterase and butyrylcholinesterase inhibitor activities were evaluated in vitro by using Ellman’s method. According to the activity results, all of the compounds displayed moderate acetylcholinesterase inhibitory activity and most of the compounds displayed remarkable butyrylcholinesterase inhibitory activity. Compound 3d was the most active compound in the series and also a selective butyrylcholinesterase inhibitor. Molecular docking studies and molecular dynamic simulations were also carried out.
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Abbreviations
- AD:
-
Alzheimer’s disease
- ACh:
-
acetylcholine
- AChE:
-
acetylcholinesterase
- AChEI:
-
acetylcholinesterase inhibitor
- ATC:
-
acetylthiocholine iodide
- BTC:
-
butyrylthiocholine iodide
- BuChE:
-
butyrylcholinesterase
- BuChEI:
-
butyrylcholinesterase inhibitor
- CAS:
-
catalytic active site
- ChE:
-
cholinesterase
- ChEI:
-
cholinesterase inhibitor
- DMF:
-
dimethyl formamide
- DMSO:
-
dimethylsulfoxide
- DTNB:
-
5,5-dithiobis(2-nitrobenzoic acid)
- HMBC:
-
Heteronuclear Multiple Bond Correlation
- HSQC:
-
Heteronuclear Single Quantum Correlation
- MD:
-
molecular dynamics
- RMSD:
-
root main square deviation
- TLC:
-
thin-layer chromatography
- VMD:
-
visual molecular dynamics
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Acknowledgments
This study was partially supported by TUBITAK (Turkish Scientific and Technical Research Council) (Project number: 213S027). We appreciate the support of Professor Dr. Wolfgang Sippl for molecular modeling studies. We also thank the Medicinal Chemistry Department of Martin Luther University Institute of Pharmacy and also Pharmaceutical Sciences Research Centre (FABAL) of Ege University Faculty of Pharmacy for equipmental support.
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Coban, G., Carlino, L., Tarikogullari, A.H. et al. 1H-benzimidazole derivatives as butyrylcholinesterase inhibitors: synthesis and molecular modeling studies. Med Chem Res 25, 2005–2014 (2016). https://doi.org/10.1007/s00044-016-1648-1
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DOI: https://doi.org/10.1007/s00044-016-1648-1