| abstract |
A novel compound represented by the formula:n n wherein Ring A and Ring B respectively stands for an optionally substituted homo- or hetero-cyclic ring, and at least one of them stands for an optionally substituted heterocyclic ring stand; Ring C stands for an optionally substituted benzene ring; R stands for a hydrogen atom or an optionally substituted hydrocarbon residue; one of X and Y stands for -NR¹- (R¹ stands for a hydrogen atom or an optionally substituted hydrocarbon residue) or -O-, and the other stands for - CO- or -CS-, or one of them stands for -N= and the other stands for =CR²- (R² stands for a hydrogen atom, a halogen atom, an optionally substituted hydrocarbon residue, an optionally substituted amino group or an optionally substituted hydroxyl group); n denotes 1 or 2 or salts thereof which have an excellent tachykinin receptor antagonistic action and inhibitory action on plasma extravasation. |