Steroids
US4395408A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 1981 |
| Grant date | Jul 26, 1983 |
| Priority date | — |
| Expiry date | Aug 14, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J41/0005
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Novel 3-amino-steroids of the formula ##STR1## wherein R.sub.1 is selected from the group consisting of hydrogen and methyl, W is selected from the group consisting of hydrogen and --OH and taken together with x forms ethylidene, X is selected from the group consisting of ethyl, ##STR2## and taken together with W forms ethylidene and the wavy lines signify that the substituents are in the .alpha. or .beta.-position with the proviso that when R.sub.1 is methyl and X is ethyl, ##STR3## W is --OH and their non-toxic, pharmaceutically acceptable acid addition salts and their preparation and intermediates therefore capable of stimulating immunitary activity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.