申请人:Sumitomo Chemical Company, Limited
公开号:US04202895A1
公开(公告)日:1980-05-13
1-Polyhaloalkyl-2(1H)-quinazoline derivatives of the formula, ##STR1## wherein R is polyhaloalkyl having C.sub.2 -C.sub.4 alkyl; and R.sub.1, R.sub.2 and R.sub.3 are individually hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, nitro, trifluoromethyl or halogen, have excellent anti-inflammatory and analgesic activities with very low toxicity. These quinazolinone derivatives can be prepared, for example, by reacting a trihalogenoacetamidobenzophenone derivative with ammonia.
公式为## STR1 ##的Polyhaloalkyl-2(1H)-quinazoline衍生物,其中R为具有C.sub.2-C.sub.4烷基的Polyhaloalkyl; R.sub.1,R.sub.2和R.sub.3分别为氢,C.sub.1-C.sub.4烷基,C.sub.1-C.sub.4烷氧基,硝基,三氟甲基或卤素,具有极低毒性的优异抗炎和镇痛活性。例如,可以通过将三卤代乙酰胺基苯并苯酮衍生物与氨反应来制备这些喹唑啉酮衍生物。