Patent ID: 7807701

Claim:
A dibenzylamine compound represented by the formula (1) wherein R 1 and R 2 are the same or different and each is a halogen atom, a nitro group, a cyano group or a C 1-6 alkyl group optionally substituted by halogen atoms; R 3 , R 4 and R 5 are the same or different and each is a hydrogen atom, a halogen atom, a C 1-6 alkyl group optionally substituted by halogen atoms, a C 1-6 alkylthio group optionally substituted by halogen atoms or a C 1-6 alkoxy group optionally substituted by halogen atoms, or R 3 and R 4 or R 4 and R 5 may form, together with a carbon atom bonded thereto, a homocyclic ring optionally having substituent(s) or a heterocyclic ring optionally having substituent(s); A is —C(R 11 )(R 12 )(R 13 ) (wherein R 11 , R 12 and R 13 are the same or different and each is a hydrogen atom, a C 1-6 alkyl group (wherein C 1-6 alkyl group is optionally substituted by phenyl group or —COOR 9 (wherein R 9 is a hydrogen atom or a C 1-6 alkyl group)) or a C 4-10 cycloalkylalkyl group (wherein C 4-10 cycloalkylalkyl group is optionally substituted by 1 to 3 substituents from halogen atom, nitro group, amino group, hydroxyl group, cyano group, acyl group, C 1-6 alkoxy group, C 1-6 alkyl group (wherein C 1-6 alkyl group is optionally substituted by hydroxyl group, C 1-6 alkoxy group or phosphono group), —(CH 2 ) q —CON(R 20 )(R 21 ) (wherein R 20 and R 21 are the same or different and each is hydrogen atom or C 1-6 alkyl group and q is 0 or an integer of 1 to 5) or —(CH 2 ) r —COOR 10 (wherein R 10 is hydrogen atom or C 1-6 alkyl group and r is 0 or an integer of 1 to 5))) or —O—C(R 11 )(R 12 )(R 13 ) (wherein R 11 , R 12 and R 13 are as defined above); Ring B is an aryl group or a hetercyclic residue; R 6 is a hydrogen atom, a halogen atom, a nitro group, an amino group, a hydroxyl group, a cyano group, an acyl group, a C 1-6 alkoxy group, a C 2-6 alkenyl group or a C 1-6 alkyl group (wherein C 1-6 alkyl group is optionally substituted by hydroxyl group or —COOR 14 (wherein R 14 is a hydrogen atom or a C 1-6 alkyl group)); and n is an integer of 1 to 3 or a pharmaceutically acceptable salt thereof.