Patent · US Expired

Halogen derivatives of 8-hydroxycarboxylic acids; the processes for their preparation and medicaments in which they are present

US4287206A · kind A · utility

1Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1979
Grant dateSep 1, 1981
Priority date
Expiry dateSep 4, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D309/30
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Halogen derivatives of 8-hydroxycarboxylic acids, which correspond to the formula ##STR1## (open form, in a basic medium) or to the formula ##STR2## (cyclized form, in an acid medium) in which formulae: X.sub.1 and X.sub.2 are halogen atoms, n.sub.1 and n.sub.2 are integers between 0 and 5, but, if n.sub.1 =0, n.sub.2 is different from 0, and vice versa, R is a hydrogen atom or an alkyl or aryl group, and Cation represents an ion originating from a base, or a metal ion, which is pharmaceutically compatible are suitable as antidepressants having a psychostimulant action.

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