The present invention relates to a compound of formula I
wherein
R
1
, R
2
and R
3
are each independently hydrogen, lower alkyl, lower alkoxy, cycloalkyl, lower alkyl substituted by halogen or S-lower alkyl;
or to a pharmaceutically acceptable acid addition salt, racemic mixture, or corresponding enantiomer and/or optical isomer thereof. The compounds of formula I are good inhibitors of the glycine transporter 1 (GlyT-1), and have a good selectivity to glycine transporter 2 (GlyT-2) inhibitors. The compounds can be used in the treatment of neurological and neuropsychiatric disorders.
本发明涉及一种具有
化学式I的化合物,其中R1、R2和R3分别独立地是氢、较低烷基、较低烷氧基、环烷基、被卤素或S-较低烷基取代的较低烷基;或者是其药用可接受的酸加盐、消旋混合物,或其对应的对映体和/或光学异构体。化合物的
化学式I是甘
氨酸转运蛋白1(GlyT-1)的良好
抑制剂,并对甘
氨酸转运蛋白2(GlyT-2)
抑制剂具有良好的选择性。这些化合物可用于治疗神经和神经精神障碍。