Patent · US Expired

4,5-Secoandrostanes

US3984474A · kind A · utility

2Cited by
1References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 30, 1975
Grant dateOct 5, 1976
Priority date
Expiry dateMay 30, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2603/16
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

4,5-Secoandrostanes having the formula ##SPC1## Have useful anti-inflammatory activity wherein R.sub.1 is hydrogen and R.sub.2 is hydroxyl, R.sub.1 is hydroxyl and R.sub.2 is hydrogen, R.sub.1 and R.sub.2 are each hydrogen, or together R.sub.1 and R.sub.2 are =0; R.sub.3 is hydrogen and R.sub.4 is hydroxyl, R.sub.3 is hydroxyl and R.sub.4 is hydrogen, R.sub.3 and R.sub.4 are each hydrogen, or together R.sub.3 and R.sub.4 are =0; R.sub.5 is hydrogen or hydroxyl; and R.sub.6 is hydrogen or halogen.

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