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Direct observation of a 1,1′-di-α-ferrocenyl carbonium ion

✍ Scribed by Charles U. Pittman Jr.

Publisher
Elsevier Science
Year
1967
Tongue
French
Weight
211 KB
Volume
8
Category
Article
ISSN
0040-4039

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✦ Synopsis

Carbonium ions generated alpha to the ferrocene group are exceptionally stable. This has been demonstrated by the ready dehydration of 1-ferrocenylethanol to vinyl ferrocene,' by the ease of addition of weak acids (such as acetic acid and hydrogen aride) to vinyl ferrocene, 2

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Evidence for a carbonium ion rearrangeme
Evidence for a carbonium ion rearrangement in the reaction of triisobutylaluminum and 1,3,3-trimethylcyclopropene
✍ Herman G. Richey Jr.; Barry Kubala; Mark A. Smith 📂 Article 📅 1981 🏛 Elsevier Science 🌐 French ⚖ 212 KB

Formation of acyclic products in the reaction of triisobutylaluminum and 1,3,3trimethylcyclopropene can reasonably be ascribed to a carbonium ion rearrangement. This suggestion supports the mechanism for carbalumination of alkenes proposed by Eisch.