Novel steroids and their use
US3971777A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1975 |
| Grant date | Jul 27, 1976 |
| Priority date | — |
| Expiry date | Sep 8, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J33/005
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Novel (17.alpha.)-steroids derivatives optical active isomers or mixtures thereof of the formula ##SPC1## Wherein R is selected from the group consisting of hydrogen and methyl, R.sub.1 is alkyl of 1 to 4 carbon atoms, Z is selected from the group consisting of hydrogen and ##EQU1## of .alpha.-configuration; R.sub.2 is alkyl of 1 to 4 carbon atoms, the dotted lines in the A and B rings represent optional 1 or 2 double bonds in the 1(2) position when R is methyl and in the 6(7) position when Z is hydrogen and X and Y together form the group ##EQU2## and when X is OH, Y is ##EQU3## and M is selected from the group consisting of hydrogen, --NH.sub.4 and alkali metals which have antialdosteronic activity and their preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.