Patent · US Expired

Reduced A ring-.DELTA..sup.9(11) -corticoids

US4427591A · kind A · utility

16Cited by
3References
60Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1981
Grant dateJan 24, 1984
Priority date
Expiry dateSep 3, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J71/0015
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

17.alpha.-Acyloxy-5.beta.-pregnanes (I) and 17.alpha.-acyloxy-5.alpha.-pregnanes (IV) have an excellent activity split providing high topical anti-inflammatory activity with very low systemic side effects.

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