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Synthesis of 17B-hydroxy-[14α, 15α- 3H] estra-4,9-dien-3-one

✍ Scribed by J. Römer; A. Teich; P. Droescher; G. Teichmüller

Publisher
John Wiley and Sons
Year
1982
Tongue
French
Weight
226 KB
Volume
19
Category
Article
ISSN
0022-2135

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✦ Synopsis

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 intermediate unconjugated ketone (3) and also the dienone (5) were found to be very sensitive to self‐radiolysis.

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