Structure of a 1,4-dien-3-one-6α-hydroxy steroid
✍ Scribed by Nakai, H.
- Book ID
- 114508313
- Publisher
- International Union of Crystallography
- Year
- 1991
- Tongue
- English
- Weight
- 210 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0108-2701
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📜 SIMILAR VOLUMES
In the title molecule, C~21~H~26~O~2~, there are two C=C bonds [1.321 (4) and 1.334 (4) Å], which contribute to the planarity of ring __A__ along with the carbonyl group. Rings __B__ and __C__ have regular chair conformations, while ring __D__ has an envelope conformation. In the crystal structure,
## Abstract Starting with catalytic tritiation of 3‐methoxy‐estra‐1,3,5(10),8,14‐pentaen‐17B‐01 (1) the preparation of 17B‐hydroxy‐[14α,15α ‐^3^H] estra‐4,9‐dien‐3‐one (5) is described. The dienone (5) was obtained with a specific activity of 400 GBq/mmol and a radiochemical purity better than 96%.