## Abstract An improved synthesis of the tritium labelled form of the new pharmacon DIENOGEST is described. The [^14^α,15α‐^3^‐H]DIENOGEST was obtained with a specific activity of 51 Ci/mmol and a radiochemical purity > 98%.
Iodovinyl progestins: Synthesis of 17α-iodovinyl-17β-hydroxy-4,9-dien-3-one
✍ Scribed by R.N. Hanson; F. Murphy; M. Ghoshal; C. Rosenthal
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- French
- Weight
- 60 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0022-2135
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
## Crystal and Molecular Structures of Modified Progestagens (IV). 17a-Azidomethyl-17@-hydroxy-estra-4,9-dien-3-on~, Cl&lehNsOe The crystal and molecular structure of 17a-azidomethyl-17b-hydroxy-estre-4,9-dien-3-one has been determined by X-ray structure analysis. It crystallizes in the orthorhor
## 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%.
The synthesis of a new progestomimetic steroid, analogous to the cetaloxopromegestone precursor of Trimegestone has been carried out in eight steps from 9α-hydroxyandrost-4-