Benzoxazinone derivatives, their preparation and use Compounds of formula (I) and pharmaceutically acceptable salts thereof are disclosed: (I) wherein R1 is hydrogen or C1-6alkyl; R2 is fluoro or chloro; R3 is hydrogen, fluoro or chloro; and X is nitrogen or CH. Methods of preparation and uses thereof in treatment of CNS disorders, such as depression or anxiety, are also disclosed.
苯并
噁唑酮衍
生物,它们的制备和用途是公开的:其中R1是氢或C1-6烷基;R2是
氟或
氯;R3是氢、
氟或
氯;X是氮或CH。还公开了其制备方法和在治疗中枢神经系统疾病,如抑郁症或焦虑症中的用途。