19.fwdarw.nor.fwdarw.steroids
US5149696A · kind A · utility
6Cited by
4References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 23, 1990 |
| Grant date | Sep 22, 1992 |
| Priority date | — |
| Expiry date | Feb 23, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J43/003
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel 19-nor-steroids of the formula ##STR1## wherein the A and B rings have a structure selected from the group consisting of ##STR2## having hormonal properties and their preparation and intermediates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.