Novel 4,5,-dihydroisoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D3 or D4 receptor, and preparation thereof
申请人:——
公开号:US20020107253A1
公开(公告)日:2002-08-08
The present invention relates to a novel 4,5-dihydroisoxazolylalkylpiperazine derivatives having selective biological activity at dopamine D
3
and D
4
receptors represented by the following Formula (1), and its preparation method through reductive amination reaction in the presence of reducing agent,
1
wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, X and n are the same as defined in the specification.
本发明涉及一种具有选择性生物活性的新型4,5-二氢异噁唑基烷基哌嗪衍生物,其在多巴胺D3和D4受体上具有生物活性,表示为以下式(1),以及通过还原胺化反应在还原剂存在下的制备方法,其中R1、R2、R3、R4、R5、R6、X和n与规范中定义的相同。