A tricyclic pyrrole or pyrazole derivative represented by the following general formula (I), or a pharmaceutically acceptable salt thereof, which shows strong affinity and selectivity for the 5-HT2C receptor and is useful for the treatment of central nervous system diseases such as sexual disorders, eating disorders, anxiety, depression and sleeping disorders.
(In the above formula, each symbol means as follows;
Y ring: an unsaturated five-membered ring which may have 1 to 3 of one or more types of hetero atom(s) each selected from the group consisting of a nitrogen atom, an oxygen atom and a sulfur atom or an unsaturated six-membered ring having 1 or 2 nitrogen atom(s),
X: a bond or a carbon atom,
: a double bond or a single bond,
V: a nitrogen atom or a group represented by a formula CH, and
A: a straight or branched lower alkylene group which may be substituted with a halogen atom or a cycloalkyl group.)
一种由以下通式(I)代表的
三环吡咯或
吡唑衍
生物,或其药学上可接受的盐,该衍
生物对 5-HT2C 受体具有很强的亲和力和选择性,可用于治疗中枢神经系统疾病,如性障碍、进食障碍、焦虑、抑郁和睡眠障碍。
(在上式中,各符号含义如下;
Y 环:不饱和五元环,可具有 1 至 3 个各选自
氮原子、
氧原子和
硫原子的一种或多种杂原子,或具有 1 或 2 个
氮原子的不饱和六元环、
X:键或
碳原子、
X:键或
碳原子,双键或单键、
V:
氮原子或由式 CH 代表的基团,以及
A:可被卤素原子或
环烷基取代的直链或支链低级亚烷基)。