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Ion cyclotron resonance studies of alkylsilyl ions: V—The reactions of alcohols and ethers with the allyldimethylsilyl cation

✍ Scribed by Ian A. Blair; V. Craige Trenerry; John H. Bowie

Publisher
John Wiley and Sons
Year
1980
Tongue
English
Weight
185 KB
Volume
15
Category
Article
ISSN
1076-5174

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✦ Synopsis

Abstract

Diallyldimethylsilane provides a source of the allyldimethylsilyl cation in the ion cyclotron resonance spectrometer; reaction of this cation with alcohols (ROH) produces adducts which decompose by loss of C~3~H~6~ to yield the ion \documentclass{article}\pagestyle{empty}\begin{document}$ \left[{{\rm Me}_2 \mathop {\rm S}\limits^{\rm + } {\rm i} - {\rm OR}} \right] $\end{document}. This elimination is thought to occur by a 1,5‐hydrogen shift, together with either stepwise or concerted silicon‐carbon bond cleavage. The corresponding aducts from ethers ROR^1^ (R^1^⩾R, R^1^⩾Et) first lose (R^1^H˙) and then undergo the elimination described above.

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Reaction of anionic and cationic silicon
Reaction of anionic and cationic silicon clusters with tungsten hexafluoride studied by fourier transform ion cyclotron resonance mass spectrometry
✍ W.D. Reents Jr.; M.L. Mandich; V.E. Bondybey 📂 Article 📅 1986 🏛 Elsevier Science 🌐 English ⚖ 654 KB

Anionic and cationic silicon clusters react exothermically with WF6 to give a variety of tungsten and silicon fluorides. All the silicon anionic clusters transfer their charge to WF6. The electron affinities of S&, are estimated to be less than the electron affinity of WF6 (350 kJ/mole (3.6 eV)).