Patent ID: 8680097

Claim:
A benzothiophene alkanol piperazine derivative, characterized in that said benzothiophene alkanol piperazine derivative is a compound of formula (1) or a pharmaceutically acceptable salt thereof, optionally containing 0.5 to 3 molecules of crystal water, wherein, Ar 1 represents: R 1 and R 2 each independently represent hydrogen; C 1 -C 6 alkyl; C 5 or C 6 alicyclic ring; phenyl; or phenyl substituted by C 1 -C 6 alkyl, C 1 -C 6 alkoxy or halo groups; R 3 and R 4 each independently represent hydrogen; C 1 -C 6 alkyl; phenyl; or phenyl substituted by one to four substituents independently selected from the groups consisting of C 1 -C 6 alkyl, hydroxyl, amino or halo; a 5-member or 6-member heterocyclic ring having a N and an O heteroatom as ring members; hydroxyl; C 1 -C 6 alkoxy; amino; amino substituted by C 1 -C 6 alkyl or C 1 -C 6 haloalkyl; halo; carboxy, nitro or cyanomethyl; X represents C or N; Y represents C or N; m is 1, 2 or 3, and n is 1, 2 or 3.