The present invention provides compounds of formula (I) and pharmaceutically acceptable salts thereof, wherein R1 is hydrogen or fluorine, one of A and B is R2, the other is a group —X—Y—R3. R3 represents a carbocyclic or heterocyclic ring. Further variables are as defined in the specification. Also claimed are—processes for their preparation, pharmaceutical compositions containing them and their use in therapy of diseases such as schizophrenia, cognitive disorders and pain by modulating the D-amino acid oxidase enzyme (DAAO).
本发明提供了式(I)的化合物及其药学上可接受的盐,其中R1是
氢或
氟,A和B中的一个是R2,另一个是—X—Y—R3基团。R3代表
碳环或杂环。进一步的变量如规范中所定义。还要求它们的制备过程,包含它们的制药组合物以及通过调节D-
氨基酸氧化酶(
DAAO)酶来治疗精神分裂症、认知障碍和疼痛等疾病的用途。