| abstract |
[PROBLEMS] To provide a compound useful as a prophylactic or therapeutic agent for a sex hormone-dependent disease or the like. [MEANS FOR SOLVING PROBLEMS] Disclosed are: a nitrogenated fused ring derivative represented by the general formula (I), or a prodrug, salt or the like thereof, which has a GnRH antagonistic activity; a pharmaceutical composition comprising the derivative or the prodrug, salt or the like thereof; use of the the derivative or the prodrug, salt or the like thereof for medical purposes; and others. In the general formula (I), the rings A and B independently represent an aryl or a heteroaryl; RA and RB independently represent a halogen, a cyano, an alkyl, an alkylsulfonyl, -OW1, -SW1, -COW2, -NW3W4, -SO2NW3W4, an aryl or the like; RC represents H or an alkyl; E represents an oxygen atom or the like; U represetns a single bond or an alkylene; and X represents Y, -CO-Y, -SO2-Y, -S-(alkylene)-Y, -O-(alkylene)-Y, -SO2-(alkylene)-Y or the like [wherein Y represents Z, an amino or the like; and Z represents a cycloalkyl, a heterocycloalkyl, an aryl, a heteroaryl or the like]. |