Dynamic NMR study of cyclopropylcarbonyl fluoride. A comparison of the conjugating abilities of the cyclopropyl, vinyl, and phenyl groups
β Scribed by Noe, Eric A.; Young, Rose M.
- Book ID
- 120342119
- Publisher
- American Chemical Society
- Year
- 1982
- Tongue
- English
- Weight
- 367 KB
- Volume
- 104
- Category
- Article
- ISSN
- 0002-7863
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## Abstract Free energies of activation, Ξ__G__, for the rotation of the phenyl group in the range of 46.06β63.25 kJ mol^β1^ were observed in some model Ξ²βhydroxyphosphonates. These barriers were found to depend on the type of substituents at the phosphorus atom and on the substituents at the Ξ²βpos