Kolbe electrolysis of CF3COONa, CF2ClCOONa and CF2BrCOONa in acetronitrile solution—1. Product identification and Faradaïc yield
✍ Scribed by J.P. Waefler; P. Tissot
- Book ID
- 103062369
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 271 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0013-4686
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✦ Synopsis
Ah&act
-To study the influence on the Kolbe reaction of dilkrent halogene substituents, the electrochemical behaviour of CF,COONa, CFzCICOONa and CF,BrCOONa in acetonitrile solution was compared. It has been shown that in all three cases there is a one electron transfer reaction and that coupling of the radicals formed is the main reaction. However, side chemical reactions are leading to different other products: CF,H for CF,COONa and CF,ClH for CF,ClCOONa. In the case of CF,BrCOONa we obtained several side products: CF,BrH, CFZBr, and C2F,. This last product iscertainly formed from CFZ :
and we have so an interesting new route for the preparation of difluorocarbene at room temperature.