申请人:Takai Shunji Haruki
公开号:US20070185168A1
公开(公告)日:2007-08-09
For example, a piperidine derivative represented by following formula (I) (wherein, —C(═O)-Z- represents —C(═O)—CH
2
—, —C(═O)—C(CH
3
)
2
—, —C(═O)—NH—, —C(═O)—O—, —C(═O)—S—, —C(═O)—CH
2
CH
2
—, —C(═O)—CH═CH—, —C(═O)—CH
2
O—, —C(═O)—CH
2
S—, —C(═O)—CH
2
CH
2
CH
2
— or —C(═O)—NR
8
CH
2
—; R
1
represents a hydrogen atom, substituted or unsubstituted lower alkyl, or the like; R
2
represents a hydrogen atom or hydroxy; R
3
represents a hydrogen atom, substituted or unsubstituted lower alkyl, or the like; R
5
represents a hydrogen atom, hydroxy, or the like; R
6
represents a hydrogen atom, hydroxy, substituted or unsubstituted lower alkyl, or the like, etc.; R
7
represents a hydrogen atom, halogen, substituted or unsubstituted lower alkyl, or the like; n and k each independently represents an integer of 0 to 2; and
----
represents a single bond, or a double bond together with R
4
, where in case
----
is a single bond, R
4
represents a hydrogen atom, hydroxy, or the like) or a pharmaceutically acceptable salt thereof and the like having an antagonistic activity for a glutamic acid receptor (NR2B/NMDA receptor) of an N-methyl-D-aspartic acid (NMDA) type containing an NR2B subunit are provided.
例如,提供了一种由以下式(I)表示的哌啶衍生物(其中,—C(═O)-Z-表示—C(═O)—CH2—,—C(═O)—C(CH3)2—,—C(═O)—NH—,—C(═O)—O—,—C(═O)—S—,—C(═O)—CH2CH2—,—C(═O)—CH═CH—,—C(═O)—CH2O—,—C(═O)—CH2S—,—C(═O)—CH2CH2CH2—或—C(═O)—NR8CH2—; R1表示氢原子,取代或未取代的低碳基等; R2表示氢原子或羟基; R3表示氢原子,取代或未取代的低碳基等; R5表示氢原子,羟基或类似物; R6表示氢原子,羟基,取代或未取代的低碳基等等; R7表示氢原子,卤素,取代或未取代的低碳基等; n和k各自独立地表示0至2的整数; 以及----表示单键,或与R4一起表示双键,其中在----是单键的情况下,R4表示氢原子,羟基或类似物)或其药学上可接受的盐等,具有对N-甲基-D-天门冬氨酸(NMDA)型含有NR2B亚单位的谷氨酸受体(NR2B / NMDA受体)的拮抗活性。