摘要：【中文】本发明涉及化学合成技术领域，具体公开一种喹唑啉酮类化合物及其制备方法。所述喹唑啉酮类化合物，其结构如式(Ⅰ)所示，其中，R₁为氢、卤素、甲氧基、甲基、硝基或三氟甲基；R₂为或R₃为氢、卤素、甲氧基或甲基。本发明提供了一种新型结构的喹唑啉酮类化合物，丰富了喹唑啉酮类化合物的种类，为发展抗炎、抗肿瘤、抗惊厥或抗真菌药物提供了一种新化合物，对于研究该类化合物的活性以及扩大该类化合物在医学领域和工业生产上的应用具有十分重要的意义，为研究具有独特生理活性的新型药物提供了基础。 【EN】The invention relates to the technical field of chemical synthesis, and particularly discloses a quinazolinone compound and a preparation method thereof. The quinazolinone compound has a structure shown as a formula (I), wherein R is₁Is hydrogen, halogen, methoxy, methyl, nitro or trifluoromethyl; r₂Is composed ofOrR₃Is hydrogen, halogen, methoxy or methyl. The invention provides a quinazolinone compound with a novel structure, enriches the types of quinazolinone compounds, provides a novel compound for developing anti-inflammatory, anti-tumor, anti-convulsion or antifungal medicaments, has very important significance for researching the activity of the compound and expanding the application of the compound in the medical field and industrial production, and is a novel medicament with unique physiological activityA basis is provided.