17.beta.-nitro-11.beta.-arylsteroids and their derivatives having agonist or antagonist hormonal properties
US5962444A · kind A · utility
10Cited by
10References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 1998 |
| Grant date | Oct 5, 1999 |
| Priority date | — |
| Expiry date | May 29, 2018 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P43/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention is directed to 17.beta.-nitro-11.beta.-arylsteroids of formula I: ##STR1## wherein R.sup.1, R.sup.6, R.sup.7, R.sup.12 and X are as defined by the specification. The compounds exhibit potent antiprogestational activity and are useful in the treatment of fibroids, endometriosis, cervical ripening prior to delivery, hormone replacement therapy and in the control of fertility.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.