TRICYCLIC PYRROLE OR PYRAZOLE DERIVATIVE

摘要

Tricyclic pyrrole or pyrazole derivatives represented by general formula (I) or pharmaceutically acceptable salts thereof, which have high selectivity and affinity for 5-HT2c receptors and are useful in treating central nervous system diseases such as sexual function disorder, appetite regulation disorder, anxiety, depression or sleep disturbance. In said formula, the ring Y represents an unsaturated 5-membered ring optionally having 1 to 3 heteroatoms of one or more types selected from the group consisting of nitrogen, oxygen and sulfur or an unsaturated 6-membered ring having 1 or 2 nitrogen atoms; X represents a bond or carbon; --- represents a double or single bond; V represents nitrogen or CH; and A represents linear or branched lower alkylene optionally substituted by halogeno or cycloalkyl.