In Silico and ADMET Studies of Spiro-Quinazoline Compounds as Acetylcholine Esterase Inhibitors Against Alzheimer's Disease.

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Alzheimer's disease (AD) is a prevalent neurodegenerative condition characterized by progressive cognitive decline and memory impairment resulting from the degeneration and death of brain neurons. Acetylcholinesterase (AChE) inhibitors are used in primary pharmacotherapy for numerous neurodegenerative conditions, providing their capacity to modulate acetylcholine levels crucial for cognitive function. Recently, quinazoline derivatives have emerged as a compelling model for neurodegenerative disease treatment, showcasing promising pharmacological features. Their unique structural features and pharmacokinetic profiles have sparked interest in their potential efficacy and safety across diverse neurodegenerative disorders. The exposure of quinazoline derivatives as a potential therapeutic way underscores the imperative for continued research exploration. Their multifaceted mechanisms of action and ability to target various pathways implicated in neurodegeneration offer exciting prospects for developing novel, effective, and well-tolerated treatments. Further investigations into their pharmacological activities and precise therapeutic roles are essential to advance our understanding of neurodegenerative disease pathophysiology and promote the development of modern therapeutic strategies to address this critical medical challenge. Quinazoline derivatives have gained eminent acetylcholinesterase (AChE) inhibitory activity. Their ability to effectively modulate AChE activity makes them promising candidates for treating neurological disorders, particularly Alzheimer's disease (AD). Their intricate molecular structures confer selectivity and affinity for AChE, offering potential for the development of novel therapeutic agents targeting cholinergic pathways. Hence, in this study, we designed, synthesized, and characterized a series of spiro[cycloalakane-1,2'-quinazoline derivatives (1-6) to assess their possible AChE inhibiting ability using docking into the active sites. The AChE inhibitory potential of spiro[cycloalkane-1,2'-quinazoline derivatives (1-6) was explored via docking studies of the AChE active site. The findings revealed significant inhibitory activity and highlighted the promising nature of these derivatives. The synthesized spiro[cycloalkane-1,2'-quinazoline derivatives (1-6) exhibited their notable potential as AChE inhibitors. The observed significant inhibitory activity suggested that these derivatives warrant further exploration as candidates for developing therapeutic agents in AChE inhibitory pathways. This study emphasizes the relevance of quinazoline derivatives in searching for novel treatments for neurological disorders, particularly associated with cholinergic dysfunction, and they could be a useful alternative therapeutic agent.