This invention relates to compounds of formula I
their use as positive allosteric modulators of mGlu5 receptor activity, pharmaceutical compositions containing the same, and methods of using the same as agents for treatment and/or prevention of neurological and psychiatric disorders associated with glutamate dysfunction such as schizophrenia or cognitive decline such as dementia or cognitive impairment. A, B, Ar, R1, R2, R3 have meanings given in the description.
本发明涉及公式I的化合物,它们作为mGlu5受体活性的正向变构调节剂的使用,含有它们的制药组合物,以及将它们作为治疗和/或预防与谷
氨酸功能失调相关的神经和精神障碍(如精神分裂症)或认知退化(如痴呆症或认知障碍)的药剂。其中,A,B,Ar,R1,R2,R3的含义在说明中给出。