This invention is related to a method for producing 3-4-[3-(1-pyrrolidinyl)propoxy]phenyl}-5-trifluoromethyl-4(3H)-quinazolinone comprising a step for reacting 2-methyl-5-trifluoromethyl-4H-3,1-benzoxazin-4-one with 4-[3-(1-pyrrolidinyl)propoxy]aniline or an acid-addition salt thereof, or 4-(1-cyclobutyl-4-piperidiny9oxyaniline or acid addition salt thereof in the presence of an acid catalyst.
本发明涉及一种生产 3-4-[3-(1-
吡咯烷基)丙氧基]苯基}-5-三
氟甲基-4(3H)-
喹唑啉酮的方法,包括以下步骤:将 2-甲基-5-三
氟甲基-4H-3、1-苯并恶嗪-4-酮与 4-[3-(1-
吡咯烷基)丙氧基]
苯胺或其酸加成盐或 4-(1-
环丁基-4-
哌啶基9-氧代
苯胺或其酸加成盐在酸催化剂存在下反应的步骤。