Patent · US Expired

2-Hydroxyoxanilic acid derivatives

US4457872A · kind A · utility

9Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 9, 1982
Grant dateJul 3, 1984
Priority date
Expiry dateSep 9, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C275/40
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel 2-hydroxyoxanilic acid derivative shown by the following formula ##STR1## or a salt thereof. This compound possesses an immunoregulatory action and is useful as an antiallergic agent, an antiasthmatic, an antirheumatic, a carcinostatic agent, a therapeutic agent for autoimmune disease, and a suppressant of rejection at the tissue transplantation and skin graft.

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