Antipsychotic indazole derivatives

摘要

PCT No. PCT/GB94/00504 Sec. 371 Date Dec. 29, 1995 Sec. 102(e) Date Dec. 29, 1995 PCT Filed Mar. 14, 1994 PCT Pub. No. WO94/21630 PCT Pub. Date Sep. 29, 1994Disclosed is a class of 1H-indazole derivatives, substituted at the 3-position by a substituted piperazinylmethyl moiety, which are antagonists of dopamine receptor subtypes within the brain, having a selective affinity for the dopamine D4 receptor subtype over other dopamine receptor subtypes, and are accordingly, of benefit in the treatment and/or prevention of psychotic disorders, such as schizophrenia, while manifesting fewer side-effects than those associated with classical neuroleptic drugs.