| abstract |
Disclosed is a compound represented by the following general formula (1): Ar-CO-AA1-AA2-AA3-AA4-NH-X-NR1R2 (1) (wherein Ar represents an optionally substituted phenyl group or an aromatic heterocyclic group; AA1 represents a hydrophobic amino acid; AA2 represents an unsubstituted amino acid containing 2 or more carbon atoms; AA3 represents an unsubstituted amino acid containing 2 or more carbon atoms; AA4 represents a hydrophobic amino acid; X represents a divalent saturated aliphatic hydrocarbon group having 2-6 carbon atoms; and R1 and R2 may be the same or different and independently represent a saturated or unsubstituted aliphatic hydrocarbon group having 1-8 carbon atoms, or alternatively R1 and R2 may form a ring together with an adjacent nitrogen atom), a salt thereof, or a solvate of them. Also disclosed is a pharmaceutical composition for prevention/treatment of diseases associated with PAR-2 which is composed of the compound represented by the above general formula (1), a salt thereof or a solvate of them and a pharmaceutically acceptable carrier. |