19-nor-steroids
US5290771A · kind A · utility
5Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 29, 1992 |
| Grant date | Mar 1, 1994 |
| Priority date | — |
| Expiry date | Apr 29, 2012 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J43/003
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The novel compounds of the invention are 19 nor-steroids of the formula: ##STR1## Where A, B, C, D, X, Y, Z, R.sub.17, and R.sup.1 are as defined in the specification, having hormonal properties and their preparation and intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.