Aromatic heterocyclylamine derivative having TRPV4-inhibiting activity

1. A compound of formula (I):

wherein:

—X— is —NH— or —S—;

—Z— is —O— or —S—;

R 3 , R 5 and R 6 are each independently a hydrogen atom, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted alkyloxy, substituted or unsubstituted alkenyloxy, substituted or unsubstituted alkynyloxy, substituted or unsubstituted amino, substituted or unsubstituted carbamoyl, substituted or unsubstituted aromatic carbocyclyl, substituted or unsubstituted non-aromatic carbocyclyl, substituted or unsubstituted aromatic heterocyclyl, or substituted or unsubstituted non-aromatic heterocyclyl;

R 7 is a cyano, substituted or unsubstituted amino, substituted or unsubstituted alkyl (with the proviso that unsubstituted methyl is excluded), substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted alkyloxy, substituted or unsubstituted alkenyloxy, substituted or unsubstituted alkynyloxy, substituted or unsubstituted alkylcarbonyl, substituted or unsubstituted alkylsulfonyl, substituted or unsubstituted carbamoyl, substituted or unsubstituted sulfamoyl, substituted or unsubstituted aromatic carbocyclyl carbonyl, substituted or unsubstituted non-aromatic carbocyclylcarbonyl, substituted or unsubstituted aromatic heterocyclyl carbonyl, or substituted or unsubstituted non-aromatic heterocyclylcarbonyl;

R 7′ is each independently a halogen;

b is 0 or 1;

or a pharmaceutically acceptable salt thereof.

2. The compound according to claim 1 ,

wherein

—X— is —S—;

—Z— is —S—,

or a pharmaceutically acceptable salt thereof.

3. The compound according to claim 2 ,

wherein

R 7 is a group represented by the following formula:

wherein

ring B is non-bridged non-aromatic heterocyclyl, or bridged non-aromatic heterocyclyl;

R 8 is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted aromatic carbocyclyl, or substituted or unsubstituted aromatic heterocyclyl;

R 8a is each independently halogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl;

c is 0, 1, or 2;

or a pharmaceutically acceptable salt thereof.

4. The compound according to claim 3 ,

wherein

R 7 is a group represented by the following formula:

wherein

m is 2;

two R 9 groups may be taken together to form (C2-C4) bridge;

the carbon atoms that consist of the bridge are each independently substituted with the substituent selected from R a ;

R a is a hydrogen atom, halogen, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl;

R 8 is substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted aromatic carbocyclyl, or substituted or unsubstituted aromatic heterocyclyl;

or a pharmaceutically acceptable salt thereof.

5. A compound of formula (III):

wherein

R 7 is substituted or unsubstituted non-aromatic heterocyclylcarbonyl;

D is a group represented by the following formula:

wherein

R 4′ is a hydrogen atom, or substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl;

R 5′ is a hydrogen atom, or substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, or substituted or unsubstituted alkynyl;

—X— is —NH— or —S—;

R 3 is each independently a hydrogen atom, substituted or unsubstituted alkyl, substituted or unsubstituted alkenyl, substituted or unsubstituted alkynyl, substituted or unsubstituted alkyloxy, substituted or unsubstituted alkenyloxy, substituted or unsubstituted alkynyloxy, substituted or unsubstituted amino, substituted or unsubstituted carbamoyl, substituted or unsubstituted aromatic carbocyclyl, substituted or unsubstituted non-aromatic carbocyclyl, substituted or unsubstituted aromatic heterocyclyl, or substituted or unsubstituted non-aromatic heterocyclyl;

R 7′ is each independently a halogen;

b is 0 or 1;

or a pharmaceutically acceptable salt thereof.

6. A pharmaceutical composition containing the compound according to claim 1 , or a pharmaceutically acceptable salt thereof.

7. A pharmaceutical composition containing the compound according to claim 2 , or a pharmaceutically acceptable salt thereof.

8. A pharmaceutical composition containing the compound according to claim 3 , or a pharmaceutically acceptable salt thereof.

9. A pharmaceutical composition containing the compound according to claim 4 , or a pharmaceutically acceptable salt thereof.

10. A pharmaceutical composition containing the compound according to claim 5 , or a pharmaceutically acceptable salt thereof.