Condensed heterocyclic compounds, their production and use.

摘要

The compound <CHEM> wherein ring A represents a benzene ring; Ar represents an aromatic group; R<1> and R<2> independently represent hydrogen, acyl or hydrocarbon group or R<1> and R<2> taken together with the adjacent nitrogen atom represent a nitrogen-containing heterocyclic group; m represents an integer of 1 to 6; n represents an integer of 2 to 3; @ represents a single bond or a double bond; X stands for -O- or -NR<3>- in which R<3> represents hydrogen, acyl or hydrocarbon group where @ is a single bond or =N- where @ is a double bond has excellent GnRH receptor antagonizing activity, calcium antagonizing and monoamine-uptake inhibiting activities and and value as a prophylactic/therapeutic drug for sex hormone-dependent diseases and for central diseases.