The present invention relates to new 5H-thiazolo\x9b3,2-a!pyrimidin -5-one derivatives having the formula (I): ##STR1## wherein Ar is phenyl optionally substituted by one or two groups selected from halogen, alkyl having from 1 to 4 carbon atoms, methylendioxy, alkoxy having from 1 to 4 carbon atoms, and trifluoromethyl; and R is a group selected from (a) or (b): ##STR2## as well as their pharmaceutically acceptable addition salts, which are useful in the treatment of psychosis, schizophrenia and anxiety. This invention also discloses methods and intermediates for their preparation and pharmaceutical compositions containing them.
本发明涉及新的5H-
噻唑并[3,2-a]
嘧啶-5-酮衍
生物,其
化学式为(I):##STR1## 其中Ar是苯基,可选择地被卤素、1至4个碳原子的烷基、甲基二氧基、1至4个碳原子的烷氧基和三
氟甲基中的一种或两种基团替代;R是(a)或(b)中选择的一种基团:##STR2## 以及它们的药学上可接受的加合盐,在精神病、精神分裂症和焦虑症的治疗中有用。本发明还揭示了它们的制备方法和中间体,以及包含它们的制药组合物。