Patent · US Expired

Indole derivatives as dopamine D4 antagonists

US5814644A · kind A · utility

7Cited by
4References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 1996
Grant dateSep 29, 1998
Priority date
Expiry dateApr 8, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D209/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compound of formula (I), or a pharmaceutically acceptable salt thereof or a prodrug thereof wherein E represents --CH.sub.2 -- or --CH.sub.2 CH.sub.2 --; R represents hydrogen or C.sub.1-6 alkyl; Q represents a moiety of formula Qa, Qb, Qc or Qd which are antagonists of dopamine receptor subtypes within the brain, having a selective affinity for the dopamine D.sub.4 receptor subtype over other dopamine receptor subtypes, and are accordingly of benefit in the treatment and/or prevention of psychotic disorders such as schizophrenia whilst manifesting fewer side-effects than those associated with classical neuroleptic drugs. ##STR1##

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.