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Steroidal anaesthetics: Synthesis of 3α-hydroxy-5α-pregnane-11,20-dione-[ 21-14c] and 3α,21-dihydroxy-5α-pregnane-11, 20-dione-[21-14C] 21-acetate

✍ Scribed by B.E. Ayres; C.E. Newall; G.H. Phillipps

Book ID
119481344
Publisher
Elsevier Science
Year
1975
Tongue
English
Weight
315 KB
Volume
26
Category
Article
ISSN
0039-128X

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2H-labelled 3α-hydroxy-5α-pregnane-11,20
2H-labelled 3α-hydroxy-5α-pregnane-11,20-dione and 3α,21-dihydroxy-5α-pregnane-11,20-dione 21-acetate
✍ 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%