Claims
- 1. A compound of a formula selected from the group consisting of ##STR14## wherein R.sup.3 is hydrogen or methyl.
- 2. The compound in accordance with claim 1, 5-oxo-1,5-seco-A-trinor-17.alpha.-pregna-6,9(11)-diene-21,17-carbolactone.
- 3. The compound in accordance with claim 1, 5-oxo-1,5-seco-A-trinor-17.alpha.-pregna-7,9(11)-diene-21,17-carbolactone.
- 4. The compound in accordance with claim 1, 6-methyl-5-oxo-1,5-seco-A-trinor-17.alpha.-pregna-6,9(11)diene-21,17-carbolactone.
- 5. The compound in accordance with claim 1, 5-oxo-A-tetranor-17.alpha.-pregna-9,11-diene-21,17-carbolactone.
Priority Claims (2)
Number |
Date |
Country |
Kind |
1838/79 |
Feb 1979 |
CHX |
|
172/80 |
Jan 1980 |
CHX |
|
Parent Case Info
This is a continuation of application Ser. No. 121,614 filed Feb. 14, 1980, now abandoned.
US Referenced Citations (6)
Continuations (1)
|
Number |
Date |
Country |
Parent |
121614 |
Feb 1980 |
|