The present invention relates to 1,3-dioxoisoindole derivatives of Formula (1) or pharmaceutically acceptable salts thereof, a preparation method thereof and use thereof as a T-type calcium channel antagonist, based on the fact that 1,3-dioxoisoindole derivatives of Formula (1) show selective antagonistic activity against T-type calcium channel, thus being effective in treating brain diseases, cardiac diseases and neurogenic pains:
wherein R
1
is a phenyl or a benzyl group, optionally substituted with a moiety selected from the group consisting of a halogen atom, a C
1
-C
6
alkoxy, a C
1
-C
6
alkyl, and a cyano group; R
2
is a heterocyclic group selected from the group consisting of piperidinyl, pyrrolidinyl, morpholinyl, and piperazinyl groups, wherein the heterocyclic group is optionally substituted with a C
1
-C
6
alkyl group; and n is 1 or 2.
本发明涉及公式(1)的1,3-二氧杂异
吲哚衍
生物或其药学上可接受的盐,其制备方法和用作T型
钙通道拮抗剂的用途,基于公式(1)的1,3-二氧杂异
吲哚衍
生物显示出选择性拮抗T型
钙通道的活性,因此对治疗脑部疾病,心脏疾病和神经痛有效。其中,R1是苯基或苄基,可选地被取代为来自卤素原子,C1-C6烷氧基,C1-C6烷基和
氰基的基团中选出的一个基团;R2是选自
哌啶基,
吡咯烷基,吗啉基和
哌嗪基的杂环基团,其中该杂环基团可选地被C1-C6烷基取代;n为1或2。