Abstract
Quinazolinones, a prominent class of heterocyclic compounds, have garnered significant attention due to their diverse biological activities and synthetic versatility. Over the past thirty years, extensive research has been conducted to explore their pharmacological potential, making them an essential scaffold in modern medicinal chemistry.This review provides an analysis of the most common synthesis methods employed for the preparation of quinazolinones, highlighting their efficiency and applicability. Furthermore, it presents an in-depth discussion of their broad-spectrum biological activities, including anticancer, antimicrobial, antifungal, anti-inflammatory, anticonvulsant, anti-Alzheimer's, antiparasitic, antioxidant, antidiabetic, and antiviral properties. By summarizing the latest advancements in quinazolinone research, specifically those made in the past five years, this review aims to serve as a valuable resource for researchers, facilitating easy access to recent studies and promoting further advancements in the field.