The present invention relates to compounds of formula I wherein R1' is CH3; R1 is methyl, ethyl, CF3, cyclopropyl, CH2OH or R1' and R1 may form together with the carbon atom to which they are attached a 1,1- dioxo-thiolan-3-yl ring; R2 is hydrogen, methyl, ethyl, isopropyl, tertbutyl, cyclopropyl, CH2OH or C(CH3)2OH; R3 is C1, F, CF3, cyano, methyl or cyclopropyl; R4 is hydrogen, methyl or F; or to a pharmaceutically acceptable salt or acid addition salt, to a racemic mixture, or to its corresponding enantiomer and/or optical isomer and/or stereoisomer thereof for use in the treatment of psychiatric disorders such as schizophrenia, bipolar disorder, obsessive-compulsive disorder or autism spectrum disorder.
本发明涉及式I的化合物,其中R1'为
CH3;R1为甲基、乙基、
CF3、环丙基、CH2OH或R1'和R1可以与它们附着的碳原子一起形成一个1,1-二氧-
硫代
环戊烷基环;R2为氢、甲基、乙基、异丙基、叔丁基、环丙基、CH2OH或C( )2OH;R3为C1、F、 、
氰基、甲基或环丙基;R4为氢、甲基或F;或其药学上可接受的盐或酸加合盐,或其相应的消旋混合物,或其对映体和/或光学异构体和/或立体异构体,用于治疗精神分裂症、躁郁症、强迫症或自闭症谱系障碍。