Pregnadiene
From Wikipedia the free encyclopedia
A pregnadiene is a diene derivative of a pregnane.[1]
Dienes have two double bonds. The first is usually between carbon 4 and carbon 5 on ring A.
6-ene[edit]
The second can be between carbons 6 and 7 on ring B:
- Dydrogesterone (progestin)
- Medrogestone (progestin)
1-ene[edit]
The second can also be between carbons 1 and 2 on ring A:
References[edit]
- ^ Pregnadienes at the U.S. National Library of Medicine Medical Subject Headings (MeSH)