19-nor-pregnene derivatives and pharmaceuticals containing such derivatives
US6180803A · kind A · utility
11Cited by
3References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 5, 1998 |
| Grant date | Jan 30, 2001 |
| Priority date | — |
| Expiry date | Nov 5, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J71/001
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The invention relates to compounds of the formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, n and X are as defined in the specification, and to pharmaceutical compositions containing them. These compounds are excellent progestogens which are devoid of residual androgenic activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.