
专利信息
专利号:US-11840537-B2
优先权日:2020-11-03
标 题:Preparation and application of a 5-bromoquinazoline derivative
发明人:LUO MEI
权利人:LUO MEI; UNIV HEFEI TECHNOLOGY
摘要:A 5-bromoquinazoline derivative (I), structural formula thereof is as follows:the synthesis method thereof comprises weighing 1.18 g of 5-bromoisatin, 2.5503 g of ammonium formate and 100 ml of absolute methanol in a 250 mL round-bottom flask, heating, stirring and refluxing for 48 h, stopping reaction, rotating to obtain 1.6033 g of filter residue crude product, carrying out column chromatography separation by using dichloromethane and absolute methanol according to a volume ratio of 1:1, and obtaining a target crystal compound I; the application of the 5-bromoquinazoline derivative compound crystal (I), as a catalyst has a good catalytic effect in nitrile silicification reaction of benzaldehyde and auto-polymerization reaction of benzophenone hydrazone, the conversion rates thereof respectively reach 39% and 76%, and the crystal (I) can be used as an anti-cancer reagent which has certain anti-cancer activity of breast cancer, liver cancer and lung cancer.