Configurational characterization of the 1-(trimethylsilyl)cyclopropyl radical
β Scribed by Leo A. Paquette; Manfred Hoppe; Linda J. Johnston; Keith U. Ingold
- Book ID
- 104219531
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- French
- Weight
- 212 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0040-4039
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π SIMILAR VOLUMES
Cyclopropyl radicals normally undergo complete thermodynamic equilibration of configuration before they react, e.g., with bromine in the Hunsdiecker reaction'. Incomplete equilibration is normally due to steric or cage effectsa, and to surface effects when cyclopropyl halides are reduced with metals
Determination of the carbon 13 ESR coupling constants for the l-cyclobutyl and l-cyclopropyl carboxylic radicals shows that, even for cyclopropyl, the substitution of Z-I H, ritom by s COOH group leads to a stabilization of the x struc- ture.