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Stereoselective addition of silyl enol ethers to α-ferrocenylcarbenium ions

✍ Scribed by Christopher J. Richards; David Hibbs; Michael B. Hursthouse


Publisher
Elsevier Science
Year
1994
Tongue
French
Weight
279 KB
Volume
35
Category
Article
ISSN
0040-4039

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The first addition of silyl enol ethers
✍ Ken-ichiro Imamura; Eiji Yoshikawa; Vladimir Gevorgyan; Yoshinori Yamamoto 📂 Article 📅 1999 🏛 Elsevier Science 🌐 French ⚖ 227 KB

The EtAICl2-mediated intramolecular addition of silyl enol ethers to both terminal and internal unactivated alkyttes, bearing alkyl and phenyl susbstituents at the alkyne moiety, proceeded exclusively in the endo-fashion to give mono-and bicyclic p,T-unsaturated ketones in good to excellent yields.