Patent · US Expired

Therapeutic agents

US4120960A · kind A · utility

1Cited by
4References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 1, 1977
Grant dateOct 17, 1978
Priority date
Expiry dateAug 1, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D403/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Therapeutic activity, and in particular the ability to induce diuresis or saluresis, has been discovered in 4-hydroxy- or 4-mercapto-2-aryl-1,2-dihydrophthalazine-1-acetic acids, the tautomers of these namely 4-oxo or thio-2-aryl-1,2-tetrahydrophthalazine-1-acetic acids, and in the ester and alcohol derivatives of the acids, and in the acyl derivatives of the 4-hydroxy or mercapto compounds and in the 3-alkyl derivatives of the 4-oxo or thio compounds. Therapeutic compositions and methods using the compounds are described, as also are novel compounds.

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