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Alzheimer's disease (AD) is a neurodegenerative disorder characterized by cognitive decline, with current treatments focused on inhibiting acetylcholinesterase (AChE) to sustain acetylcholine levels in brain.
In this work, three new calixarene derivatives 3, 5, and 7 were synthesized and evaluated against AChE in vitro and in silico.
Firstly, target compounds 3, 5, and 7 were synthesized from calix[4]arene (1), and after characterization, they were evaluated in vitro against AChE. The most potent compound, as determined by in vitro evaluation, underwent additional in silico studies, including a docking study, pharmacokinetics analysis, and density functional theory (DFT) analysis.
The most potent compound was the pyridin-2-yl-chalcone derivative 7, which interacted well with the active site of AChE. This compound also has an acceptable energy gap between HOMO and LUMO orbitals as a drug candidate. The pharmacokinetics and toxicity profiles of new calixarene derivatives 3, 5, and 7 were satisfactory.
The results of this study demonstrate that the newly synthesized calixarene derivatives, particularly compound 7, exhibit promising activity against acetylcholinesterase (AChE), both in vitro and through in silico analysis.
Our in vitro and in silico results suggest that the calixarene derivatives are promising candidates for targeting AChE.