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Preparation of Pregnane-17α,21-diol-3,11,20-trione Acetate

✍ Scribed by Sarett, L. H.

Book ID
125929692
Publisher
American Chemical Society
Year
1949
Tongue
English
Weight
232 KB
Volume
71
Category
Article
ISSN
0002-7863

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2H-labelled 3α-hydroxy-5α-pregnane-11,20
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✍ J. Vine; K. Treloar 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 French ⚖ 308 KB

## Abstract 3α‐Hydroxy‐5α‐pregnane‐11,20‐dione‐2,2,3,4,4‐^2^H~5~ of 78% isotopic purity was prepared from 3α‐hydroxy‐5α‐pregnane‐11,20‐dione. The major impurity (10%) was 3α‐hydroxy‐5α‐pregnane‐11,20‐dione‐2,2,4,4‐^2^H~4~. 3α,21‐Dihydroxy‐5α‐pregnane‐11,20‐dione‐2,2,3,4,4‐^2^H~5~ 21‐acetate of 76%