The present invention provides compounds of formula I:
wherein
R
1
is an alkyl, phenyl, heterocyclyl, cycloalkyl, alkoxy, ester, amino or amide group;
R
2
is a phenyl, heterocyclyl, alkyl, cycloalkyl or cycloalkylalkyl group;
R
3
is an alkyl, cycloalkyl, cycloalkylalkyl, amino or heterocyclyl group;
R
4
and R
5
are hydrogen or alkyl or form a cycloalkyl ring;
A is O or N; and
m is zero or one;
as inhibitors of GlyT1 and thus as useful for treating or preventing diseases such as schizophrenia; with the provision of pharmaceutical compositions, first and second medical uses and methods of treatment.
本发明提供了如下式I的化合物:
其中,
R1是烷基、
苯基、杂环基、
环烷基、烷
氧基、
酯基、
氨基或
酰胺基;
R2是
苯基、杂环基、烷基、
环烷基或
环烷基烷基;
R3是烷基、
环烷基、
环烷基烷基、
氨基或杂环基;
R4和R5是
氢、烷基或形成
环烷基环;
A是O或N;
m为零或一。
这些化合物是GlyT1的
抑制剂,因此可用于治疗或预防精神分裂症等疾病。同时,还提供了制药组合物、第一和第二医疗用途及治疗方法。