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The γ-alkylation of cyclic β-ketoesters via their enamine derivatives

✍ Scribed by Gravel, Denis; Labelle, Marc

Book ID
121530450
Publisher
NRC Research Press
Year
1985
Tongue
French
Weight
722 KB
Volume
63
Category
Article
ISSN
0008-4042

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Steroids I. Alkylation of β-ketoesters v
Steroids I. Alkylation of β-ketoesters via their Cu(II) enolates in aqueous media. Application of the synthesis of C-18 functionalized steroids via the torgov approach.
✍ Plato A. Magriotis; William V. Murray; Francis Johnson 📂 Article 📅 1982 🏛 Elsevier Science 🌐 French ⚖ 216 KB

Three steroidal pentaenes ( a-r;) have been synthesized, the key step being the 81 alkylatlon of the Cu(I1) the ates of the ring D precursors ($22) by the isothiouronium acetate J, in aqueous solution.