𝔖 Bobbio Scriptorium
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Methyl γ-trimethylsilyl crotonate

✍ Scribed by William P. Weber; Raymond A. Felix

Book ID
104247660
Publisher
Elsevier Science
Year
1971
Tongue
French
Weight
199 KB
Volume
12
Category
Article
ISSN
0040-4039

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✦ Synopsis

The interaction of silyl centers with the excited states of n-systems has recently attracted considerable interest.'r'

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📂 Article 📅 1979 🏛 Elsevier Science ⚖ 64 KB
Unexpected regiochemistry in the reactio
Unexpected regiochemistry in the reaction of some γ-trimethylsilylated 3-dialkylamino-crotonate esters with carbonyl electrophiles.
✍ T.H. Chan; G.J. Kang 📂 Article 📅 1982 🏛 Elsevier Science 🌐 French ⚖ 216 KB

## 4-T'rimethylsilyl-3-dialkylaminocrotonate esters (4) react with a nwnber of carbonyl electrophiles and titanium tetrachloride to give Froducts with substitution at y-position. A dynamic equilibriwn of 4 and its O-sily'l isomer IS is proposed to explain the regiochemistry. Compounds 4 were prepa