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)的化合物及其药用盐,其中R1为氢或
氟,A和B中的一个为R2,另一个为-X-Y-R3基团。R3代表一个碳环或杂环。进一步的变量如规范中所定义。还声明了它们的制备方法,包含它们的药物组合物以及通过调节D-
氨基酸氧化酶(
DAAO)在治疗精神分裂症、认知障碍和疼痛等疾病中的用途。